This brand is from ECR INTERNATIONAL and is available in Canada. The SSZ14 is a basic heat pump with a durable scroll compressor that has a sound blanket and a low rpm condenser fan for less operating noise. They use louvered panel construction to protect the outdoor coil from physical damage but use a timed defrost system instead of demand based which is not as energy efficient. Their warranty is not very good when compared to other brands.
This brand is from CARRIER which is a part of UNITED TECHNOLOGIES CORP. The PH14NB models are basic units with all of the standard features and an average warranty. The PH16NA models are premium units with an efficiency of 17 seer efficiency but the warranty is not as good as other brands. The wire grille does not actually do much to protect the condenser coil when compared to models with a louvered metal jacket and they are relatively loud during normal operation. The brand is available in Canada as well as the USA but only through factory authorized dealers.
These heat pumps are made by NORDYNE which is a part of NORTEK GLOBAL HVAC. The units use louvered metal panel construction which provides good protection for the condenser coil. Their website is not much help and the guarantee on the units is not as good as some of the other brands. The units are available in the USA through their dealer network but it is very limited when compared to other major brands
This brand is made for mobile/manufactured homes by UPG which is a part of JOHNSON CONTROLS. They offer units with efficiencies up to 15 seer and feature swept wing fans and a compressor blanket for quieter operation. The ACCUCHARGE models have quick connect fittings for easier installation. The units use louvered panel construction to protect the outdoor coil but their warranty is not very good when compared to other brands.
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