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The Dryair-Greenthaw 600GTS Hydronic-Glycol Ground Heater  is a large 620,200 BTU heater provides you with ample BTU’s maximizing heat exchanger capabilities even in the harshest of conditions.

UPDATE 12-18-18 – need a larger ground heater, Greenthaw has a couple left of the 900GTS at a 20k savings. Please call. Serious inquiries only. 

600GTS Greenthaw System (click for specs)

  • The large 620,000 BTU heater provides you with ample BTU’s for ground thaw, concrete cure & space or fluid heating applications
  • Patented Flow Reverser  – Eliminates hot and cold zones in the thaw pattern
  • Reduces time & fuel costs by up to 50%
  • Consistent curing temperatures across the entire slab means the whole slab cures at the same rate
  • Patented Combustion Environment Control Systempreheat’s the fuel and air used for combustion
  • No need to bring it in to a heated shop before it goes out on the job.  The preheater allows the unit to start & run even in sub 40 degree conditions
  • Industry leading multi-loop ground thaw set-up for job site flexibility and optimum fluid circulation & heat transfer
  • Manifold System allows for fan coils or heat exchangers to plug in for space heating or fluid heating