Your Quality Local Heating & Cooling Services, Trusted and Reliable. Specializing in geothermal, ductless and traditional heating & cooling methods. Messner H & C will handle all of your system's needs. We do everything from installations to repairs and replacements. We even handle all of the duct (or ductless) work! Geothermal Heating & Cooling, HVAC, Heating & Air Conditioning Repair, Heating Equipment & Systems Cleaning & Repair, Air Conditioning Repair, In-floor Heating