With our heat recovery ventilator ratings, you can cut through all the sales hype and find the best value. We have researched the manufacturers' data and combined it with our HVAC industry service experience to produce our unique system of ratings. These reviews are for systems that moderate the temperature of the fresh air that is brought into the home. For systems that moderate the humidity level as well as the temperature, you can check out our erv ratings. We have given you our top picks followed by a complete list of manufacturers and their ratings.

AIRECO ★ ★ ☆ ☆ ☆

The DXR ventilators are stand alone systems with controls for each room. They have a free cooling mode and measure CO2 and humidity to provide just the right amount of air to each room. The systems are made in France and are available worldwide. The warranty on the systems is not very good when compared to other brands. aereco.com

AIRFLOW ★ ★ ☆ ☆ ☆

The DUPLEXVENT range offers a variety of models to fit most applications. The RK2 model includes two zone heating and is designed for low-energy or passive homes where they can provide the required heat. The warranty is not as good as many of the other brands. airflow.com

ALDES ★ ★ ★ ☆ ☆

The AEROMATIC range of ventilators have electronic flow calibration to easily balance the flow of air. The EVACMAX feature provides an on demand boost of ventilation for the bathroom. The guarantee on their fan motors is not very good when compared to other brands but the units can be purchased through online retailers. aldes.us

ATREA ★ ★ ☆ ☆ ☆

These ventilators are made in the Czech Republic and sold throughout Europe. The DUPLEX EASY range offers three sizes of units and feature advanced EBM motors. Their website does not have a stated guarantee for their products. atrea.cz

BROAN ★ ★ ☆ ☆ ☆

This brand is a subsidiary of NORTEK and the units are made by VENMAR. The warranty on the units is not very good. broan.com

BRYANT ★ ★ ☆ ☆ ☆

The units are manufactured by Venmar. The PREFERRED SERIES offers either vertical or horizontal mounted units and have automatic defrost based on outside air temperature. The guarantee on most parts is good but the warranty on the core is not. bryant.com

BUDERUS ★ ★ ☆ ☆ ☆

This brand is a part of the BOSCH THERMO GmBH group. The LOGAVENT units feature a cross-counter flow heat exchanger and a digital remote control. The unit has four stages of airflow, automatic defrost, and are available in three sizes to match the requirements of your home. The manufacturer's website does not have a stated warranty policy. buderus.de

CARRIER ★ ★ ☆ ☆ ☆

They offer HRV units in several sizes but the warranty on the core is not as good as many other brands. carrier.com

CLAIRITECH ★ ★ ★ ☆ ☆

This brand is made in Canada and is sold throughout North America. The 120 HYBRID is a dual core ERV/HRV stand alone system designed for basements. It has one path for air from the basement where humidity is always removed and a separate path through its own core for the rest of the house. The guarantee on parts other than the core is not very good when compared to other brands. clairitech.com

CLEAN COMFORT ★ ★ ☆ ☆ ☆

This brand is from DAIKIN GLOBAL. The VH SERIES offers five sizes of units to match the size of the home and features variable speed operation. The units have three operating modes but their warranty is not very good when compared to other brands. cleancomfort.com

DANTHERM ★ ★ ☆ ☆ ☆

The HCV5 ventilators are designed for colder climates and are stand alone systems with heating options. They feature efficient EC fan motors and electronic controls. Their website does not have a stated warranty policy for their products. dantherm.com

DHI ★ ★ ☆ ☆ ☆

This brand is made in China by NINGBO DONGHAI INDUSTRIA. They offer seven sizes of units for the home. Their website is not much help and does not have a stated warranty policy. dhigroup.net

DIRECT AIR ★ ★ ★ ★ ★

These ventilators are controlled by a humidistat and feature dual three speed EBM motors for quiet and efficient operation. They have washable electrostatic filters for good air filtration and are available in five sizes to match the size of the home. They are backed by a good warranty. directairhvac.com

DISMY ★ ★ ☆ ☆ ☆

This brand features basic ventilators that are made in China. Their website is not much help and does not have a stated guarantee for their products. dismy.co.uk

DYNAIR ★ ★ ☆ ☆ ☆

The AERA range offers both horizontal and vertical versions in a variety of sizes. They have two speed EBM motors for quiet and efficient operation. The brand is a division of MAICO ITALIA SpA and offers basic units but their website is not much help. dynair.it

EPURAIR ★ ★ ☆ ☆ ☆

This brand is made in Canada by INDUSTRIE ORKAN INC. The RCFM-150 models are designed to be used with forced air furnaces and feature a carbon filter for improved indoor air quality. They offer an optional humidity or timer control but the guarantee on the units is not very good when compared to other brands. epurair.com

FANTECH ★ ★ ★ ★ ☆

These units are available in a variety of models with an electrostatic filter and EBM motors. They have many control options available but only an average warranty. The brand is a part of SYSTEMAIR. fantech.net

FIELD CONTROLS ★ ★ ☆ ☆ ☆

This brand is made in the USA and offers three sizes of units. Their website is not much help and the guarantee on the units is not very good when compared to other brands. fieldcontrols.com

FRESH ★ ★ ☆ ☆ ☆

These ventilators are available worldwide. The CF SERIES units are available in two sizes and have advanced digital controls with an integrated humidity sensor and summer bypass function. Their website does not have a stated guarantee for the units. fresh.eu

GENERALAIRE ★ ★ ★ ★ ★

These units are available in two sizes and have two operating modes (intermittent and continuous). They have a variable speed fan motor and proportional defrost for added energy efficiency. generalaire.com

GENVEX ★ ★ ☆ ☆ ☆

The brand is a part of Metro Therm which is owned by NIBE GROUP. The ENERGY SERIES units feature low watt ecm motors and a fully modulating summer bypass for energy efficiency. They are available in either vertical or horizontal mount units and feature electronic controls including a timer function. The manufacturer's website is not much help and does not have a stated warranty policy. genvex.dk

GLOW-WORM ★ ★ ☆ ☆ ☆

The CLEARLY HEAT RECOVERY units are available in two sizes and are independent systems. They feature electronic controls but their website is not much help and the guarantee on the units is not very good when compared to other brands. renew-ability.co.uk

GREENTEK ★ ★ ★ ★ ★

This brand is from IMPERIAL MANUFACTURING GROUP and is made in Canada. The PH-ES units use push through design for quieter operation and have automatic defrost. They are backed by a good warranty. imperialgroup.ca

HARVEST ★ ★ ☆ ☆ ☆

This brand offers a wide selection of stand-alone systems. Their DC CEILING TYPE features a dc inverter drive that controls the system based on the amount of carbon dioxide in the room. It has a variable speed fan for quiet and efficient operation. Their website is not much help and does not have a stated guarantee. harvest.cn

HEATRAE SADIA ★ ★ ☆ ☆ ☆

The HRU ECO 4 is a basic stand alone ventilation system. It has a summer bypass as well as frost protection but the guarantee on the unit is not very good when compared to other brands. heatraesadia.com

HELIOS ★ ★ ☆ ☆ ☆

The KWL systems have "easy controls" where they can be controlled by a laptop or smartphone. The units are made in Germany and are sold in Europe. The warranty is not very good when compared to other brands. heliosfans.co.uk

HONEYWELL ★ ★ ☆ ☆ ☆

The TRUEFRESH model units are available in 150 and 200 cfm sizes. They have dual variable speed fans for efficiency but the warranty on the units is not as good as many brands. yourhome.honeywell.com

HOVAL ★ ★ ☆ ☆ ☆

The HOMEVENT systems are stand alone ventilation systems that are available in three different sizes. They are available in Europe but their website is not much help and does not have a stated guarantee for their products. hoval.ch

IMPERIAL ★ ★ ★ ★ ★

This brand is from IMPERIAL MANUFACTURING GROUP and is made in Canada. The XPH models are available in two sizes and feature variable speeds. They can be used for either intermittent or continuous ventilation and feature proportional defrost control which is based on the outside air temperature. This is more efficient and can lead to savings in operating costs. Their system of attaching the ducts to the unit makes it very easy to install and the DuoTrol balancing system provides for quieter operating. The systems are backed by a very good warranty but require professional installation. imperialgroup.ca

ITHO ★ ★ ☆ ☆ ☆

The HRU ECO 150 model is for smaller homes while the HRU ECO 4 is for larger properties. They include a duct system for independent operation and can be controlled through a wall switch or by remote control. The guarantee on the systems is not as good as other brands. ithodaalderop.com

JOHNSON & STARLEY ★ ★ ☆ ☆ ☆

These units are made and sold in the U.K. They have optional electronic filtration and efficient EBM motors but their website does not have a stated guarantee for the products. johnsonandstarley.co.uk

KAIR ★ ★ ☆ ☆ ☆

This brand is distributed throughout the U.K. The iECO 4 range offers four different models to suit your home/apartment. They use an efficient crossflow heat exchanger and have a summer bypass as well as frost protection. The warranty is not as good as many other brands. kair.co.uk

KNV ★ ★ ☆ ☆ ☆

The FRESH LINE units are available in two sizes and feature low power DC motors and an automatic summer bypass. They offer optional humidity and CO2 sensors but their website does not have a stated guarantee for their products. knv.at

KOMFOVENT ★ ★ ☆ ☆ ☆

This brand is made in Latvia by AMALVA. The DOMEKT series of units features programmable controls. Their website is not much help and does not have a stated guarantee for their products. komfovent.com

LENNOX ★ ★ ★ ☆ ☆

The HEALTHY CLIMATE units are basic units. Their website is not much help and the guarantee is not as good as some of the other brands. lennox.com

LIFEBREATH ★ ★ ★ ★ ☆

These ventilators are manufactured by AIRIA BRANDS INC. The MAX SERIES units have an aluminum crossflow core and a five speed motor while the RNC series has a two speed motor. They have stand-alone multi-featured controls but the same functions can easily be performed with the latest in thermostat technology. The units are only sold through their limited dealer network and the warranty is not as good as some other brands. lifebreath.com

MANROSE ★ ★ ☆ ☆ ☆

This brand is made and sold in the U.K. The LO WATT DC is a stand alone system that is controlled by a humidity sensor. Their website is not much help and does not have a stated guarantee for their products. manrose.com

MITSUI ★ ★ ☆ ☆ ☆

This brand is made in Italy and is available in Europe. They offer four sizes of units and they are available in either horizontal or vertical mounted models. The manufacturer's website is not much help and does not have a stated warranty policy. mitsuiairconditioner.com

NIBE ★ ★ ☆ ☆ ☆

The GV-HR ventilators are available in three sizes and feature EC motor technology. They offer an optional electric pre-heater for colder climates but their website does not have a stated guarantee for their products. nibe.eu

NU AIR ★ ★ ★ ☆ ☆

This brand is made in Canada and offers models (ES Series) that are designed to be easier to install. They feature independent adjustment of the two motors to balance the system which eliminates the need for mechanical dampers. This makes them quieter to operate and saves a little bit of energy. They also have intelligent defrost and are backed by a good guarantee but the warranty on the motors is not as good as some of the other brands. nu-airventilation.com

NUAIRE ★ ★ ☆ ☆ ☆

These units are made in the U.K. and sold worldwide. They offer a variety of models featuring counterflow heat exchangers and low voltage dc fans. The warranty on the core is not as good as many other brands. nuaire.co.uk

PAX ★ ★ ☆ ☆ ☆

The EOS units have an auto moisture control function and are available in Europe. Their website is not much help and does not have a stated guarantee for their products. pax.se

REGAVENT ★ ★ ☆ ☆ ☆

This brand is made in the U.K. and is a part of THERMSAVER. The units are designed to be loft-mounted and feature variable speed fans. The systems have air filters in each room instead of a central filter which is not as convenient. They offer several options including a damper to connect a kitchen hood to the exhaust, a summer bypass, or an air conditioning option. The systems can be ordered online but they do not have a stated warranty policy. rega-uk.com

RENOVENT ★ ★ ☆ ☆ ☆

This brand is made in the Netherlands and is sold throughout Europe. The EXCELLENT SERIES is available in three sizes and has a bypass for free summer cooling. Their website is not much help and does not have a stated guarantee for their products. brinkclimatesystems.nl

REVERSOMATIC ★ ★ ☆ ☆ ☆

This brand is made in Canada and sold throughout North America. The DELUXE SERIES features a programmable wall control and automatic electronic air-balancing. The warranty is not as good as many other brands. reversomatic.com

S & P ★ ★ ☆ ☆ ☆

The FLEXEO SERIES offers units with modular construction. They can be configured to meet about any installation requirement. Their website is not much help and does not have a stated guarantee for the units. solerpalau.com

SALDA ★ ★ ☆ ☆ ☆

These ventilators are made in Lithuania and are sold throughout Europe. They offer a wide selection of models but their website is not much help and does not have a stated guarantee for their products. salda.lt

STIEBEL ELTRON ★ ☄ ☆ ☆ ☆

The LWZ models are available in three sizes and feature a night ventilation function for free cooling. Their website does not have a stated guarantee for their products. stiebel-eltron.co.uk

SUPERVENTOR ★ ★ ★ ☆ ☆

These units are made in Canada and are available in North America only. The NUWAVE units are basic ventilators with a three speed fan and the warranty on them is not very good. summeraire.com

SWEGON ★ ★ ☆ ☆ ☆

This brand is a part of LATOUR GROUP and offers a wide selection of models. The CASA systems are only available in Denmark, Finland, Germany, Norway, & Sweden. The warranty on the units is not as good as some other brands. swegon.com

SYSTEMAIR ★ ★ ☆ ☆ ☆

This brand offers a variety of models and features EC fans for quiet and efficient operation. They have auto defrosting and automatically switch to summer mode. Their website does not have a stated guarantee for their products. systemair.com

TEK SUPPLY ★ ★ ★ ★ ☆

These ventilators are made by FANTECH and feature EBM motors and automatic defrost. They are backed by an average warranty. teksupply.com

TITON ★ ★ ☆ ☆ ☆

These ventilators are made in the U.K. They are available in seven sizes to match the requirements of any home and have a boost function for enhanced pollutant removal. Their website is not much help and does not have a stated guarantee. titon.co.uk

TOTALINE ★ ★ ★ ★ ☆

This brand features washable electrostatic air filters and EBM motors. They are backed by a pretty good guarantee. totaline.com

UTEK ★ ★ ☆ ☆ ☆

The MICRO-V 250 models are vertical wall mounted units. They offer an optional summer bypass for free cooling. The units are made in Italy but the warranty on the units is not very good when compared to other brands. utek-air.it

VAILLANT ★ ★ ☆ ☆ ☆

This brand is a part of the VAILLANT GROUP. The recoVAIR units are available in two sizes. They have an auto summer bypass mode for free cooling on summer nights. The standard controller can be programmed for normal, low, or boost operation. It even includes an energy gain display to show you how much energy you save in the summer bypass mode. vaillant.com

VANEE ★ ★ ★ ☆ ☆

This brand is only sold in Canada and is made by VENMAR which is a subsidiary of NORTEK. The GOLD SERIES offers basic units while the HE SERIES has quiet high efficiency models. vanee.ca

VENMAR ★ ★ ☆ ☆ ☆

This brand is a subsidiary of NORTEK and is available in North America. The units are sold at home improvement centers but the warranty is not very good. The EVO5 offers quiet units with an electronic wall control but their guarantee is not very good. venmar.ca

VENT-AXIA ★ ★ ☆ ☆ ☆

The KINETIC E models are flexible independent systems with variable speed fans. The brand is made in the U.K. but their website is not much help and does not have a stated warranty policy. vent-axia.com

VENTIVE ★ ★ ☆ ☆ ☆

This brand offers passive (without a fan) stand-alone systems. Their retrofit system is designed to use an old chimney for easy installation. Their website is not much help and does not have a stated guarantee for their systems. ventive.co.uk

VENTS ★ ★ ☆ ☆ ☆

The FRIGATE HRV 120S has MERV 6 filters and automatic defrost as well as a cross flow core. The units are available worldwide but the guarantee on the core is not very good when compared to other brands. vents-us.com

VOLUND ★ ★ ☆ ☆ ☆

These heat recovery ventilators are sold in Denmark and the brand is a part of the Nibe Group. Their website is not much help and does not have a stated warranty for their products. volundvt.dk

VORTICE ★ ★ ☆ ☆ ☆

The Vort HR200 model is a two speed ventilator that can be mounted horizontally or vertically. The VORT PROMETEO HR400 units include a summer bypass and built-in frost protection. They have electronic controls with a remote and can be purchased directly from the manufacturer's website but the guarantee on the units is not very good. vortice.ltd.uk

WOLF ★ ★ ☆ ☆ ☆

These units are made in Germany. The CWL models use a cross counter flow heat exchanger for efficiency and are available in three sizes to match the size of your home. They have automatic frost protection and variable speed fans. An optional digital remote controller is available. The manufacturer's website is not much help and does not have a stated warranty policy. wolf-heiztechnik.de

XPELAIR ★ ★ ☆ ☆ ☆

The XCELL range features durable powder-coated stainless steel units with ECM motors. The QVI model has programmable timer control as well as humidity, CO2, and smoke sensors. xpelaire.co.uk

YORK ★ ★ ☆ ☆ ☆

These units are actually Honeywell units that are sold by York dealers as part of a total comfort system. The warranty is not very good and their website is not much help. york.com

ZANTIA ★ ★ ☆ ☆ ☆

This brand offers basic units that are available in Europe, China, Africa, & Brazil. Their website is not much help and does not have a stated guarantee on their products. zantia.com

ZEHNDER ★ ★ ☆ ☆ ☆

The FOCUS 200 is a compact ventilator with ECM fans for quiet operation. They feature reverse flow channel heat exchangers for efficiency as well as automatic frost protection. The COMFOAIR models are available in a variety of sizes and offer an optional remote control. The warranty on the units is not as good as many other brands. zehnderamerica.com

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