Geothermal Ratings part 8, Reviews of the Trane & Waterfurnace brands



This brand is a part of INGERSOL RAND and the units are actually manufactured by Waterfurnace International. The TGVX model is a state of the art variable capacity heat pump. The unit has a coated air coil for corrosion prevention as well as a corrosion resistant drain pan with electronic overflow protection. The T2GX model is a two stage unit with an efficiency of 29.4 while the T1GX model is a single stage unit. The brand is only available through their factory authorized dealer network.


This brand is available worldwide and offers a wide variety of units using the latest technologies.

The 7 series models are state of the art variable capacity heat pumps with an efficiency rating of 41. It has a variable speed compressor as well as a variable speed blower motor and circulator pump. The unit has a coated air coil for corrosion prevention. They are backed by a good overall warranty but the compressor does not have a lifetime warranty. 

Waterfurnace 7 Series

The 5 series offers either single speed or two stage models with an efficiency of 30. The SYNERGY 3D is a premium heat pump with integrated radiant heat capability and it is backed by a very good guarantee.

Other Geothermal Brand Ratings

You can continue to browse our alphabetical list of manufacturers but, if you are looking for a specific brand, you can enter its name in the search box at the top of the page.