Direct Expansion Geothermal Ratings part 2, A Repairman Reviews The Brands...

BRAND----------WEBSITE----------RATING

MASTERTHERM--mastertherm.eu-----<1* 

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.

NEURA-------------neura.at------------<1* 

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.

NEXTHERM--------nextherm.fr----------3* 

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.

NORDIC----------nordicghp.com---------4*

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.

NUTONE--------nutonehvac.com--------4* 

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.

OCHSNER---------ochsner.com--------<1* 

These heat pumps are made in Austria and Germany. The Combi unit includes a 110 liter stainless steel storage tank for domestic hot water.

SOFATH------------sofath.com----------1* 

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.

SUB-TERRA ----  sub-terra.com  -------3* 

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.

WESTINGHOUSE--westinghousehvac.com--4* 

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.

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