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Geothermal Hydronic Heat Pumps

Quick Spec List

  • Exclusive GEO LOGIC™ control strategy
  • Broad product line:
    • Models: 3, 4, 5, 6, 8, 10, 12* Tons
  • Dual Compressors on 8 ton and above
  • High Efficiency Scroll Compressor
  • Energy saving desuperheater option
  • Fully accessible cabinet
  • AHRI® Certified, CSA Listed, Energy Star

* The 12 Ton Hydronic unit is not AHRI certified because there is no AHRI category that exists for this size


Download Geothermal Hydronic Heat Pump Product Cards

Geothermal Hydronic Heat Pumps

Hydronic Heat Pumps


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.


Hydronic Heat Pump Specifications

Download Installation, Operation, and Maintenance Manual

Download Installation, Operation, and Maintenance Manual Addendum

Hydronic Specifications



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