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Geothermal Energy is heat (thermal) derived from the earth (geo). Geothermal Energy is the thermal energy contained in the rock and fluid (that fills the fractures and pores within the rock) in the earth's crust. While temperatures above ground change a lot from day to day and season to season, temperatures 20 feet below the Earth's surface hold nearly constant between 50° and 60°F. For most areas, this means that soil temperatures are usually warmer than the air in winter and cooler than the air in summer. Geothermal heat pumps use the Earth's constant temperatures to heat and cool buildings. They transfer heat from the ground (or water) into buildings in winter and reverse the process in the summer.


Geothermal Heat Pumps

The latest green tech in Geothermal heating & cooling!

Forced Air Heat Pumps

Split 2-Stage Heat Pumps

Hydronic Heat Pumps

Geothermal Forced Air Heat Pumps Geothermal Split Two-Stage Heat Pumps Geothermal Hydronic Heat Pumps


Geothermal Heat Pump Product Cards

Geothermal Forced Air Single-Stage Heat Pumps Geothermal Forced Air Two-Stage Heat Pumps Geothermal Split Two-Stage Heat Pumps Geothermal Hydronic Heat Pumps

Forced Air 1-Stage

Forced Air 2-Stage

Split 2-Stage




Energy Efficiency

TTHERM GEO™ incorporates high efficiency scroll compressors to minimize energy usage, a variable speed blower to provide ideal comfort under all conditions, and an optimized earth loop pump control to provide maximum comfort at lowest energy usage.



Heating dominant design produces most comfortable operation with some of the highest discharge air temperatures in the industry. TTHERM GEO™ systems provide even, steady comfort without hot and cold spots. With a dual isolated compressor mounting for ultra quiet operation, compressor blanket standard and a fully insulated cabinet, we insure your comfort in every way! All in all, we provide what you want, a unit that works but is not heard.


Peace of Mind

Made In AmericaHeavy gauge stainless steel cabinet with a lifetime warranty, 10 year parts and labor warranty on all refrigeration components, as well as 3 year parts and labor warranty on the electronic components and controls, means you will have years of worry free operation. Manufactured in an ISO facility with all products tested, you can rest assured in your TTHERM GEO™ heat pump's operation.


Smart Technology

GEO LogicGEO LOGIC™ Control Strategy optimizes efficiency with 30 years of geothermal experience put into each system. Desuperheater lockout strategy allows the desuperheater to run when beneficial and not steal energy from the water heater during cooling season. Flight Recorder Technology allows the service technician to rewind time to quickly diagnose the root cause of any service issue.



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