Geothermal / GeoExchange Water Source Heat Pump Direct manufacture of NEW and REPLACEMENT ptac heating & air conditioning systems. Our products are specific to renovation for old and no longer manufactured systems and new contruction; including Geothermal / GeoExchange Water Source Heat Pump Purchasing & Procurement. Specializing in: replacement air conditioner, hydronics, replacement air conditioning, hotel replacement unit, hospital, residential replacement, air conditioning, hydronic, hydro ground source heat pump, ptac, water source, heat pump, commercial, adirondack aire, adirondack, heater, unit, units, cold point corp, ground source, ground source cooling, replacement water source, replacement heat pump, radiant floor heating systems, system, geothermal exchange heat pump, office, office building, buildings, geothermal exchanger, retro fit, retro fit air conditioners, air cooled, geothermal energy, well, well water, direct replacement air conditioner, water source heat pump, evaporator units, heating, cooling, ductless split systems, thru-wall, ductless heating, ductless air conditioners, ductless ceiling evaporator: product list