Heat pump ratings part 8 continues our expert and unbiased reviews with a look at the Daikin, Day & Night, DiamondAir, and Ducane brands.
The DZ14SN model units have efficiencies of up to 14 SEER and Smartshift technology for less noise when the unit goes into defrost. The DZ16TC is a premium model that can communicate with the other parts of the home's HVAC systems to maximize comfort and efficiency. The unit has a high density compressor blanket for noise control and is backed by a very good guarantee.
The DZ20VC units have state of the art technology and are ultra quiet with a compressor sound blanket and ECM condenser fan motor. The heat pumps have louvered metal panels to protect the coil and are backed by a very good warranty but they are only available through their Comfort Pro dealers.
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This brand is from INTERNATIONAL COMFORT PRODUCTS which is a part of UNITED TECHNOLOGIES CORP. The PERFORMANCE SERIES offers basic heat pumps in 13, 14 or 15 SEER efficiencies. The CONSTANT COMFORT DELUXE SERIES offers 16 or 19 SEER premium units but their guarantee is not as good as some of the other brands. The Constant Comfort Deluxe 18 model is their entry in the ultimate category. It has five stages of operation as well as a variable speed condenser fan motor for very quiet and efficient operation. All of their models use a wire grille to protect the condenser coil which does not do a very good job of it. The units are available in the USA and Canada but only through authorized dealers.
This brand is manufactured for sale on the internet. They offer basic heat pumps with a 13 seer efficiency and durable scroll compressors as well as a premium model. The warranty is not very good but they are inexpensive.
This brand is from ALLIED AIR ENTERPRISES INC which is owned by LENNOX INTERNATIONAL. The 4HP13B models are basic units with all of the standard features but the warranty is not very good and they have a wire guard to protect the condenser coil which does not actually provide much protection. The 4HP16LT models are premium units with an efficiency of 16 seer and a heavy duty compressor blanket for enhanced noise control. They have a swept wing fan for sound control and use quietshift technology for quieter operation when entering and exiting the defrost mode. The units are only sold through authorized dealers and the warranty is not very good when compared to other brands.
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