This brand is owned by INGERSOLL RAND. The XR14 models are basic units with a durable powder coat finish and an average guarantee. The XL18i units are their premium units and feature two stages of heating/cooling and a variable speed condenser fan motor for energy savings.
The XL18i also features Comfortlink II communicating where the air conditioner "talks" to the other parts of the HVAC system to maximize performance. The XV20i is an ultimate heat pump with a good guarantee. All of the units have a powder coated metal jacket to protect the coil but they are only sold through dealers in the USA and Canada.
This brand is from NORDYNE which is a part of NORTEK GLOBAL HVAC. The FT4BE units are basic models with a 14/15 SEER efficiency and include a swept wing fan for even quieter operation. They feature all aluminum micro-channel coils for corrosion resistance and for a compact footprint. The ET4BF is a premium unit with a two stage compressor and a 16 seer efficiency.
The FT4BF premium model includes a compressor blanket and swept wing fan for quieter operation but the guarantee is not very good when compared to others in the category. The iQ DRIVE model is an ultimate unit with advanced compressor technology and the ability to communicate with the other parts of the home's heating and cooling systems. They have an efficiency of 19 seer and are backed by a good warranty but they are only available through their dealer network.
These units are made by GOODMAN MANUFACTURING for TRADEWINDS DISTRIBUTING COMPANY and the units are available in North America but only through authorized dealers. In the basic category, they really offer two brands. The regular Whirlpool brand features basic 13 and 14 seer models while the Whirlpool Gold brand offers more advanced features but will cost a little more.
The premium units are a part of the Whirlpool Gold brand. The WGHP46 model is a premium heat pump with a 16 seer efficiency rating and a two stage compressor as well as a two speed condenser fan motor and other noise reducing features. It is also backed by a very good warranty that includes lifetime coverage for the compressor when the complete system is replaced. The brand uses louvered panel construction with a durable powder coat finish to protect the condenser coil from physical damage.
This is the flagship brand from JOHNSON CONTROLS and it is available in the USA but only through their factory authorized dealer network. The YHJF units are part of their LX series and are basic 14 seer units that use a demand defrost system for overall energy savings. Their warranty is not as good as some of the other brands in the basic category.
The YZH models are a part of their AFFINITY SERIES and offer two stage 18 seer efficiency. They also feature Comfort Alert onboard diagnostics and their "Quiet Drive" system which includes a swept wing fan, isolated compressor compartment, and a base that is made of composite materials. The YZH units offer a very good warranty when purchased as part of a matched system. The brand uses slotted metal panel construction which provides good physical protection of the outdoor coil while allowing good airflow through the unit.
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