RG Heating & Air Conditioning, Inc. Serving Southern Wisconsin with all of your Heating, Air Conditioning, Indoor Air Quality, Service, New Installation, Replacement and Preventive Maintenance Plans needs. We install HIGH QUALITY TRANE systems, Triangle Tube and HTP brand boilers, radiant in-floor heating systems, Geothermal heat pump systems, fireplaces, humidifiers, de-humidifiers, air to air exchangers and Honeywell controls to Waunakee WI, Madison WI, Middleton WI & the surrounding area.