With our direct expansion geothermal ratings, you can cut through all the sales hype and find value. Our simple rating system gives each brand a color code and a star rating. If the card is green, then, that is one of the top picks from HvacRepairGuy. If the card is yellow, then, that would be a budget pick from HvacRepairgGuy. If the card is red, then, the brand is not recommended by HvacRepairGuy. It truly is like you were taking a repairman shopping with you! These reviews are for geothermal systems that combine the compressor section and blower section into one compact package that is connected to the home's duct system.
These units feature a two speed scroll compressor and a variable speed blower motor. They offer domestic hot water production through a desuperheater and an electrolysis protection system. The guarantee on the systems is not as good as some of the other brands. americandreamgeothermal.com
The CLASSIC SERIES offers a single stage system with a cabinet that is rated for either indoor or outdoor installation. The PRIME SERIES features two stages of operating and an intelligent monitoring system. The systems are also backed by an industry leading warranty including twenty years on the loop field. earthlinked.com
These units feature stainless steel cabinets for durability. Their patented GSHE loop (captor) system has an insulated liquid line for efficiency. They have a dealer locator on their website but the guarantee on the systems is not very good when compared to other brands. earthtoair.com
This is one of the brands from NORTEK GLOBAL HVAC. Their EarthDirEx systems feature EEV controls and are split systems for easy flexible installation. The systems use all aluminum coils to prevent corrosion and are also backed by a very good warranty. frigidaire.net
These systems are manufactured by ADVANCED GEOTHERMAL TECHNOLOGY. Their website is not much help and does not have a stated warranty policy. advgeo.com
This brand is made in Austria and features a modulating compressor for ultimate efficiency and comfort. Active cooling is an option as well as domestic hot water production. The Basic Comfort series is for heating and hot water production only. heliotherm.com
The DIRECTMASTER units offer cooling as well as heating and DHW production. The units feature durable scroll compressors and electronic expansion valves for added efficiency. Their website is not much help and does not have a stated warranty policy. mastertherm.eu
The NDX heat pumps are for heating only and are available in six sizes to match the home. The brand is sold in Europe but their website does not have a stated warranty policy. neura.at
The OPTIPACK SOL/UAE units can be installed either indoors or outdoors and are backed by a very good guarantee. The units are made and sold in France but their website is not much help. nextherm.fr
This brand is from MARITIME GEOTHERMAL LTD. The DX series are available in two stage heat only or heat/cool models. They are available as either split or packaged units and have an ECM (variable speed) blower motor for quiet and efficient operation. They are backed by a very good warranty. nordicghp.com
This is one of the brands from NORTEK GLOBAL HVAC. Their EarthDirEx systems feature EEV controls and are split systems for easy flexible installation. The systems are also backed by a very good warranty. nutonehvac.com
These heat pumps are made in Austria and Germany. The Combi unit includes a 110 liter stainless steel storage tank for domestic hot water. ochsner.com
This brand is a part of BDR THERMEA and is sold in Europe. The standard NATEA system is for heating only but offers cooling as an option. sofath.com
This brand offers basic units but they are only sold & installed in Oregon & southern Washington. Their website is not much help but they are backed by a very good warranty. sub-terra.com
This is one of the brands from NORTEK GLOBAL HVAC. Their EarthDirEx systems feature EEV controls and are split systems for easy flexible installation. The systems are also backed by a very good warranty. westinghousehvac.com