Window AC Ratings, A Repairman Reviews The Brands

With our window ac ratings, you can cut through all the sales hype and find value. We have searched the manufacturers' data and, by utilizing our air conditioner repair experience, produced our unique system of ratings. It truly is like taking a repairman (Hvacrepairguy) with you while you shop! We have given you our top pick followed by a complete list of manufacturers and their ratings.

World's Best Window AC Units

Our top pick for a window air conditioner is the CROSLEY brand which is available through a variety of retailers. These units are available in a wide range of models to suit the needs of your home. The larger units (heavy duty) include a temperature sensing remote control. The brand features electronic controls and window or through the wall units. They are manufactured by Frigidaire and the warranty is enhanced by Crosley to cover the compressor for ten years.

These units are made in the UAE by the Al Futtaim Group and are available in the Middle East and Africa. They are tropicalized units with coated condenser coils for corrosion resistance. Their website is not much help and does not have a stated warranty policy.

These air conditioners are made in China by UNITED INTERNATIONAL CO, a Taiwan based company. They feature electronic controls with a remote and auto swing louvers for good air circulation. The units use self evaporating condensate removal which also lowers operating pressures for improved energy efficiency. Their website is not much help and does not have a stated warranty policy.

These units are made in Singapore and are available worldwide but they only offer two sizes of units (9,000 & 12,000 btu). The units are have electronic controls with a remote but their website is not much help and does not have a stated warranty policy.

This brand is available in the Middle East but the units have basic mechanical controls and use R-22 refrigerant which is not environmentally friendly. Their website is not much help and does not have a stated guarantee for their products.

These units are made by MIDEA and are sold at many discount retailers. They offer a variety of sizes to match the size for your room and offer electronic controls. The website is no help and does not have a stated warranty policy.

This brand is a partnership between GE and Quirky with the air conditioners made by GE. The units are WI-FI enabled and use smartphone GPS and intuitive scheduling to save energy. They have upward discharge of the cool air for enhanced circulation throughout the room but for the most part they are your standard GE window air conditioners. The units are available at many home improvement and discount stores but their guarantee is not very good when compared to other brands.

These air conditioners are available in three sizes and feature electronic controls with a remote. The brand is a part of NEWSAN GROUP in Argentina but their website does not have a stated warranty policy.

This brand is available in Quebec and offers basic cooling only units with either mechanical or electronic controls. They have a slinger that splashes the condensate onto the condenser coil which lowers operating pressures and energy use. Their website is not much help and does not have a stated warranty policy.

These air conditioners are made in Taiwan and feature state of the art inverter drive compressors. They are available in six sizes to match the needs of the home and use digital controls with a remote. Their website is not much help and does not have a stated guarantee for their products.

These units are made by MIDEA and are sold at many discount retailers. They offer a variety of sizes to match the size for your room and offer electronic controls. The website is no help and does not have a stated warranty policy.

This brand is available in the Middle East, Africa, & Asia. The LA/LB Series offers units with electronic controls and coated coils for corrosion resistance. They have an anti-freeze thermostat to shutdown the unit if the evaporator coil begins to get a frost buildup on it. Their website is not much help and does not have a stated warranty policy but the units can be purchased directly through their website.

This brand is made in China and offers four sizes of cooling only units. They have electronic controls but their website is not much help and does not have a stated guarantee for their units.

The RG series offers very basic cooling only units that use electro-mechanical controls while the RADS models have electronic controls. The warranty on the brand is not very good and they do not have advanced features. The brand is a part of HEAT CONTROLLER which is a part of MARS but they are only sold through authorized dealers.

This brand is made by WHIRLPOOL and is available in Brazil. They offer a variety of models and can be purchased directly from the manufacturer but the guarantee on the compressor is not very good when compared to other brands.

This brand is from Zamil Air Conditioners and is made in Saudi Arabia. They offer units that have auto sweep as well as four way air deflection for improved air circulation. They have a multi filter that includes an anti-bacterial filter for better indoor air quality. The units are available in both 50Hz and 60 Hz models and in sizes from 3/4 to 2 tons (2.6-7kw). Their website is not much help and does not have a stated warranty policy.

These units are from GIBCA AIR CONDITIONING and are available in the Middle East. The units feature an anti-mold filter, four way air deflection, and oscillating vertical louvers for improved air circulation throughout the room. The units are designed to operate in the extreme ambient temperatures but the manufacturer's website is not much help and does not have a stated warranty policy.

These units are available through independent dealers in a wide range of models to suit the needs of your home. The larger units (heavy duty) include a temperature sensing remote control. The brand features electronic controls and window or through the wall units. They are manufactured by Frigidaire and the warranty is enhanced by Crosley to cover the compressor for ten years.

This brand offers cooling only units in three sizes with either mechanical or electronic controls. They have a three speed fan that is precision balanced for quieter operating but their website is not much help and does not have a stated guarantee for their products. The units can be purchased through various discount retailers and home improvement stores in the USA.

These units are available in North America and have a three speed fan with four way air deflection for better air distribution throughout the room. They also feature electronic controls with a remote control, an auto on/off timer, and sleep mode for energy savings. The warranty on the units is not as good as some of the other brands.

These units are made in China by RDK ELECTRONICS and are available in the Middle East. The RAM SERIES units feature mechanical controls and tropical compressors while the TAN SERIES models are available as heat/cool or cool only units with electronic controls. All of the units have hydrophilic coated coils for corrosion resistance but the manufacturer's website is not much help and does not have a stated warranty policy.

These air conditioners are made in Taiwan and are available in Singapore. They can be purchased directly through their website but are only for casement type windows. The units have electronic controls with a remote and a built-in air cleaner with titanium dioxide and a UV light. The units are only available in one size and their website does not have a stated guarantee for their products.

This brand is available in the Gulf Cooperation Council (GCC) countries. They feature an antibacterial filter and tropicalized compressor but use electromechanical controls. Their website is not much help and does not have a stated guarantee.

The CHILL line is their premium units that feature auto swing louvers and a washable antimicrobial filter for improved air quality. The KUHL models are their "ultra premium" models and they can be controlled from a smartphone. They have programmable control much like modern thermostats and an optional carbon filter for better indoor air quality. The brand has good technology but the warranty is not very good and they are only sold through authorized dealers.

This brand is made by Electrolux and is available in North America. The units are available in window mount, through the wall, and casement(sliding) models. They feature digital controls and a remote as well as a three speed fan. The GALLERY "smart" model can be controlled through your smartphone and features slanted louvers that direct the air in an upward circular motion which provides for more even cooling throughout the room. Their magnetic closure system makes it much easier to remove and reinstall the air filter and the "easy install window kit" features insulated side panels that reduce air leaks for more efficient operation. The warranty on parts other than the compressor is not very good and the units are only available through authorized dealers.

This brand is made in China by SHUN HING ELECTRIC WORKS and offers units with basic electromechanical controls. They have coated condenser coils for corrosion resistance as well as activated carbon and silver ion dust filters for better indoor air quality. They are available in five sizes but their website does not have a stated guarantee for their products.

This brand offers a wide variety of units to suit your individual needs. They offer units for either 115 volt or 230 volt circuits with either electro-mechanical or digital controls. They can be purchased through a wide selection of retailers but the warranty on the units is not very good when compared to other brands.

This brand is only available through authorized dealers in India and the warranty includes quarterly service. The units have swing louvers with a "superwave operation" where the sweeping range can be adjusted for applications where the unit is installed in the corner of the room. They have a deodorant/antibacterial filter for better indoor air quality as well as electronic controls and tropicalized compressors with compressor insulation blankets for quieter operation.

This brand offers basic window air conditioners with electronic controls and a three speed fan. They can be purchased directly through their website but the guarantee on the cool only models is not very good when compared to other brands.

This brand is made and sold in India. The GWC models feature electronic controls but use R-22 refrigerant which is not environmentally friendly and is being phased out.

These window air conditioners are made in China but are sold through various retailers in Central and South America. They feature basic electro-mechanical controls and a warranty that is not very good when compared to other brands.

This brand is made in China and is available worldwide. They offer basic cooling only units with electronic controls and their guarantee is not very good when compared to other brands.

These air conditioners are made and sold in the Philippines. They offer basic units with electromechanical controls and the warranty is not very good.

These units are made in Kuwait and sold in the Middle East. They are basic air conditioners with electromechanical controls. Their website is not much help and does not have a stated warranty policy.

The KAZE REIDAN offers both heating and cooling. Their "auto climate technology" automatically adjusts unit operation based on the local weather conditions but the units use R-22 refrigerant which is being phased out worldwide. The brand is available in India through a partnership between JOHNSON CONTROLS and HITACHI. Their website is not much help and does not have a stated warranty policy.

These air conditioners are available with basic mechanical or electronic controls with a temperature sensing remote. They have active carbon filters, a three speed fan, and a filter change indicator for improved air quality as well as a dry mode for humidity removal. The units can be purchased directly through their website but the guarantee for the units is not very good when compared to other brands.

This brand is made and sold in India. The IWAC model has electronic controls and "3D airflow" for better circulation of the air throughout the room. They also have a coated condenser coil to resist corrosion but their website is not much help and does not have a stated warranty policy.

This brand is from ELECTROLUX and is available through retailers in Australia. Their guarantee on the compressors is not very good when compared to other brands. They feature remote controls, auto swing louvers, timer operation, and a sleep mode.

This brand offers a wide selection of models to fit any application. The units can be purchased directly through their website and shipped to you or picked up at your local SEARS store. The units feature electronic controls with a remote and 8 way air direction control to better circulate the air throughout the room. Their guarantee is not very good when compared to other brands.

These units are made by MIDEA and sold at discount retailers such as Walmart. They have electronic controls with a temperature sensing remote and are backed by a decent warranty.

These air conditioners are made in India and are sold in Africa, Europe, & Asia. They feature tropicalized compressors but use basic electro-mechanical controls and the warranty is not very good.

This brand is made and sold in the Philippines. The e-SERIES units are available with either mechanical or electronic controls and feature an anti-bacterial filter. The S-Series Inverter models are available in two sizes and feature state of the art variable speed compressor technology for energy savings. The manufacturer's website is not much help and does not have a stated warranty policy.

This brand is made in the Philippines and is sold through authorized retailers there. The ERA SERIES units feature electronic controls with a remote and an antibacterial filter for better indoor air quality. The guarantee on the units is not very good when compared to other brands and they are rather noisy.

These air conditioners are made by FUTURE GROUP and are sold through many online retailers in India. The KWR models are available in three sizes and feature electronic controls but the warranty is not very good. The units feature coated coils for corrosion resistance and auto swing louvers for improved air circulation throughout the room.

This brand is available in window mount, through the wall, and casement models. They have three cooling and three fan speeds as well as four way air deflection. They are also available in low profile units which allows the window to be more fully closed. This is better for security purposes as well as for a less obstructed view out of the window. The units are sold at THE HOME DEPOT stores as well as through many online retailers but their guarantee is not very good when compared to other brands.

This brand is available in the Philippines and offers basic units in four sizes. Their website is not much help and does not have a stated guarantee for their products.

This brand offers units with electronic controls including a temperature sensing remote control. They offer a variety of models and feature multistage air filtration to improve the home's air quality. Their website is not much help and does not have a stated warranty policy.

The MAXBLUE air conditioners have electronic controls and a remote. They have high density air filters to trap more of the indoor air pollutants. The units are made and sold in Mexico but their website is not much help.

These air conditioners are available in Europe, Latin America, and North Africa. The MUVR-C6 series features cooling only units with state of the art inverter compressors for energy savings. The brand is from SALVADOR ESCODA SA but is only available in two sizes. Their website is not much help and does not have a stated guarantee for their products.

These units feature basic electromechanical controls but they have tropicalized compressors and the units are available in the United Arab Emirates (UAE). Their website is not much help and does not have a stated warranty policy.

These air conditioners are made in China and use R-22 refrigerant which is being phased out. Their website is not much help and does not have a stated warranty policy.

This brand is from JC GLOBAL INC and offers a variety of basic models. Their website is not much help and the guarantee on the compressors is not very good when compared to other brands.

The TRENDY PLUS range units have two speed cooling and are remote controlled. They also have a dry mode for better dehumidification and tropicalized compressors as well as electronic controls. The POWER FLAT models are basic cooling only units but they have electronic controls and use environmentally friendly refrigerant. This brand is only available in India and their website is not much help.

This brand is only available in India. They have electronic controls but the units are only available in two sizes. Their website is not much help and does not have a stated warranty policy.

These units are made in China and are imported by BIGWALL ENTERPRISES INC. The units have electronic controls with a temperature sensing remote. They offer a wide variety of models that can be purchased on their website or at many big retailers. The guarantee on the units is not very good when compared to other brands.

These air conditioners are available in Nigeria and are available with basic electromechanical or electronic controls with a remote. Their website is not much help and does not have a stated warranty policy.

These are conditioners feature electronic controls and swing louvers for better air circulation. They have an anti-bacterial filter and coated coils to prevent corrosion. The brand is from Shun Hing Electric Works but their website is not much help and does not have a stated guarantee for their products.

This brand name has been licensed by CURTIS INTERNATIONAL LTD and offers units with electronic controls. They are sold in many big box retailers but the warranty on the compressor is not very good when compared to other brands.

This is a Japanese brand but the units are made in Thailand. The SWV series units are for cooling only but they have an advanced inverter drive compressor. The SWF series is available with either R-22 or R-407C refrigerant (the R-22 models are not recommended). They are available in a tropical model for areas with very warm temperatures. The units are available worldwide but their distribution is very limited. The manufacturer's website is not much help and does not have a stated warranty policy.

This brand is available in Nigeria. They offer three sizes of basic units but their website is not much help and does not have a stated guarantee for their products.

These air conditioners are made in China and imported to North America by INTERNATIONAL REFRIGERATION PRODUCTS. They offer basic units with either mechanical or electronic controls but their warranty is not very good when compared to other brands.

This brand is made in Singapore but has limited distribution in Africa and the Middle East. They are only available in two sizes and use R-22 refrigerant which is not environmentally friendly.

These air conditioners are available in Brazil through a joint venture between Midea and Carrier. They offer units with either mechanical or electronic controls but their website is not much help.

This brand features units with electronic controls and remotes for convenience. The units have three fan speeds and a 24 hour timer for energy savings. The units can be purchased directly through their website but the warranty is not very good when compared to other brands.

This brand is a part of ALBATHA GROUP and offers basic air conditioners with electromechanical controls. They have tropicalized compressors but use R-22 refrigerant which is being phased out. The brand is available in Africa, Asia, and the Middle East but their website is not much help and does not have a stated warranty for their units.

This brand offers very basic cool only units with electromechanical controls. The manufacturer's website is not much help and does not have a stated warranty policy.

This brand offers 50 hz units with electronic controls and a remote as well as units with basic electromechanical controls. They have all of the basic features but the warranty (especially on the compressor) is not very good.

These air conditioners are made in China and imported to North America by INTERNATIONAL REFRIGERATION PRODUCTS. They offer a variety of models and sizes featuring electronic controls with a remote. The guarantee on the units is not very good when compared to other brands.

The WA-1011S model features electronic controls with a "follow me" remote control for enhanced comfort and they can be purchased directly through their website. The units can be purchased directly through their website but the guarantee on the compressor is not very good when compared to other brands.

The COMPACT SERIES offers air conditioners with either mechanical or electronic controls. They are basic units and the guarantee on the compressor is not very good when compared to other brands.

These air conditioners are available in Europe and Asia. They feature advanced air filters for better indoor air quality as well as automatic swing louvers for improved air circulation. Their website is not much help and does not have a stated guarantee for their products.

This brand offers through the wall units with electronic controls and a remote. The warranty on the brand is not very good when compared to other brands.

These air conditioners are made and sold in India by the TATA GROUP. They feature electronic controls but use R-22 refrigerant which is being phased out. Their website is not much help and does not have a stated guarantee for their products.

This brand is made in Canada by APPLIED COMFORT PRODUCTS INC. They offer through the wall units that use basic electro-mechanical controls and are designed to replace existing units without requiring any changes to the wall.

This brand is from ALGHANIM ELECTRONICS and offers basic units with electromechanical controls. Their website is not much help and does not have a stated guarantee for their products.

These units are made and sold in India and are available in three models. They use electronic controls but their website is not much help and does not have a stated warranty policy.

This brand is made in Singapore and offers basic cool only units in four sizes. They use R-22 refrigerant which is not environmentally friendly and their website is not much help.

This brand is made in China and offers basic air conditioners. Their website is not much help and does not have a stated warranty policy.

These units are made in Singapore and are available worldwide but they only offer two sizes of units (9,000 & 12,000 btu). The units have electronic controls with a remote but their website is not much help and does not have a stated warranty policy.

The WRAC units have electronic controls and are available in cool/electric heat or heat pump models. All of the units have coated coils for enhanced performance and less chance of mold growth but their guarantee is not very good when compared to other brands. The brand name is licensed to GOODMAN MANUFACTURING which is a part of DAIKIN GLOBAL.

These units are manufactured and sold in Argentina. The SILENT AIR class is available in three sizes and the units have electronic controls. They have automatic swing louvers for better air circulation but their website is not much help and their guarantee is not very good when compared to other brands.

The REG units have electric heat added while the RAH models are heat pumps with electronic controls. The warranty on the brand is not very good and they do not have advanced features. The brand is a part of HEAT CONTROLLER which is a part of MARS but they are only sold through authorized dealers.

This brand is made by WHIRLPOOL and is available in Brazil. They offer a variety of models and can be purchased directly from the manufacturer but the guarantee on the compressor is not very good when compared to other brands.

This brand is from Zamil Air Conditioners and is made in Saudi Arabia. They offer units that have auto sweep as well as four way air deflection for improved air circulation. They have a multi filter that includes an anti-bacterial filter for better indoor air quality. The units are available in both 50Hz and 60 Hz models and in sizes from 3/4 to 2 tons (2.6-7kw). Their website is not much help and does not have a stated warranty policy.

These units are from GIBCA AIR CONDITIONING and are available in the Middle East. The units feature an anti-mold filter, four way air deflection, and oscillating vertical louvers for improved air circulation throughout the room. The units are designed to operate in the extreme ambient temperatures but the manufacturer's website is not much help and does not have a stated warranty policy.

These units are available through independent dealers in a wide range of models to suit the needs of your home. The larger units (heavy duty) include a temperature sensing remote control. The brand features electronic controls and window or through the wall units. They are manufactured by Frigidaire and the warranty is enhanced by Crosley to cover the compressor for ten years.

These units are made in China by RDK ELECTRONICS and are available in the Middle East. The RAM SERIES units feature mechanical controls and tropical compressors while the TAN SERIES models are available as heat/cool or cool only units with electronic controls. All of the units have hydrophilic coated coils for corrosion resistance but the manufacturer's website is not much help and does not have a stated warranty policy.

The CHILL line is their premium units that feature auto swing louvers and a washable antimicrobial filter for improved air quality. The KUHL models are their "ultra premium" models and they can be controlled from a smartphone. They have programmable control much like modern thermostats and an optional carbon filter for better indoor air quality. The brand has good technology but the warranty is not very good and they are only sold through authorized dealers.

This brand is made by Electrolux and is available in North America. The units are available in window mount, through the wall, and casement(sliding) models. They feature digital controls and a remote as well as a three speed fan. The GALLERY "smart" model can be controlled through your smartphone and features slanted louvers that direct the air in an upward circular motion which provides for more even cooling throughout the room. Their magnetic closure system makes it much easier to remove and reinstall the air filter and the "easy install window kit" features insulated side panels that reduce air leaks for more efficient operation. The warranty on parts other than the compressor is not very good and the units are only available through authorized dealers.

This brand offers a wide variety of units to suit your individual needs. They offer units for either 115 volt or 230 volt circuits with either electro-mechanical or digital controls. They can be purchased through a wide selection of retailers but the warranty on the units is not very good when compared to other brands.

This brand offers basic window air conditioners with electronic controls and a three speed fan. They can be purchased directly through their website but the guarantee on the cool only models is not very good when compared to other brands.

These units are made in Kuwait and sold in the Middle East. They are basic air conditioners with electromechanical controls. Their website is not much help and does not have a stated warranty policy.

The KAZE REIDAN offers both heating and cooling. Their "auto climate technology" automatically adjusts unit operation based on the local weather conditions but the units use R-22 refrigerant which is being phased out worldwide. The brand is available in India through a partnership between JOHNSON CONTROLS and HITACHI. Their website is not much help and does not have a stated warranty policy.

These air conditioners are available with basic mechanical or electronic controls with a temperature sensing remote. They have active carbon filters, a three speed fan, and a filter change indicator for improved air quality as well as a dry mode for humidity removal. The units can be purchased directly through their website but the guarantee for the units is not very good when compared to other brands.

This brand is from ELECTROLUX and is available through retailers in Australia. Their guarantee on the compressors is not very good when compared to other brands. They feature remote controls, auto swing louvers, timer operation, and a sleep mode.

This brand offers a wide selection of models to fit any application. The units can be purchased directly through their website and shipped to you or picked up at your local SEARS store. The units feature electronic controls with a remote and 8 way air direction control to better circulate the air throughout the room. Their guarantee is not very good when compared to other brands.

These air conditioners are made in India and are sold in Africa, Europe, & Asia. They feature tropicalized compressors but use basic electro-mechanical controls and the warranty is not very good.

This brand is made by EDGESTAR which is a part of LIVING DIRECT INC. They offer three sizes of units with electric heat but the warranty on the compressor is not very good when compared to other brands. The units can be purchased directly through their website.

This brand is available in window mount, through the wall, and casement models. They have three cooling and three fan speeds as well as four way air deflection. They are also available in low profile units which allows the window to be more fully closed. This is better for security purposes as well as for a less obstructed view out of the window. The units are sold at THE HOME DEPOT stores as well as through many online retailers but their guarantee is not very good when compared to other brands.

These air conditioners are made and sold in India. They are available in only two sizes but feature electronic controls and a cold catalyst air filter. Their website is not much help but the units are backed by a good guarantee and can be purchased directly.

This brand offers units with electronic controls including a temperature sensing remote control. They offer a variety of models and feature multistage air filtration to improve the home's air quality. Their website is not much help and does not have a stated warranty policy.

The MA models have electronic controls with a remote and are available in four sizes. They have a multi speed fan with automatic control but their website is not much help and does not have a stated warranty policy.

These units feature basic electromechanical controls but they have tropicalized compressors and the units are available in the United Arab Emirates (UAE). Their website is not much help and does not have a stated warranty policy.

These air conditioners are made in China and use R-22 refrigerant which is being phased out. Their website is not much help and does not have a stated warranty policy.

These units are made in China and are imported by BIGWALL ENTERPRISES INC. The units have electronic controls with a temperature sensing remote. They offer a wide variety of models that can be purchased on their website or at many big retailers. The guarantee on the units is not very good when compared to other brands.

This is a Japanese brand but the units are made in Thailand. The SWV series units are for cooling only but they have an advanced inverter drive compressor. The SWF series is available with either R-22 or R-407C refrigerant (the R-22 models are not recommended). They are available in a tropical model for areas with very warm temperatures. The units are available worldwide but their distribution is very limited. The manufacturer's website is not much help and does not have a stated warranty policy.

These air conditioners are made in China and imported to North America by INTERNATIONAL REFRIGERATION PRODUCTS. They offer basic units with either mechanical or electronic controls but their warranty is not very good when compared to other brands.

hese air conditioners are available in Brazil through a joint venture between Midea and Carrier. They offer units with either mechanical or electronic controls but their website is not much help.

This brand offers 50 hz units with electronic controls and a remote as well as units with basic electromechanical controls. They have all of the basic features but the warranty (especially on the compressor) is not very good.

These air conditioners are made in China and imported to North America by INTERNATIONAL REFRIGERATION PRODUCTS. They offer a variety of models and sizes featuring electronic controls with a remote. The guarantee on the units is not very good when compared to other brands.

The SG-WAC-25HCP is a basic window air conditioner with electric heat. They feature electronic controls with a "follow me" remote control for enhanced comfort and they can be purchased directly through their website. The units can be purchased directly through their website but the guarantee on the compressor is not very good when compared to other brands.

These air conditioners are available in Europe and Asia. They feature advanced air filters for better indoor air quality as well as automatic swing louvers for improved air circulation. Their website is not much help and does not have a stated guarantee for their products.

This brand offers through the wall units with electronic controls and a remote. The units are available in heat pump models as well as cooling with electric heat. The warranty on the brand is not very good when compared to other brands.

These air conditioners are made and sold in India by the TATA GROUP. They feature electronic controls but use R-22 refrigerant which is being phased out. Their website is not much help and does not have a stated guarantee for their products.

These air conditioners are made in China and use electronic controls for accurate temperature control. Their website is not much help and does not have a stated guarantee for their products.

This brand is made in China and offers basic air conditioners. The E-1 SERIES is for heating & cooling and has mechanical controls. Their website is not much help and does not have a stated warranty policy.