Owner involvement is what makes Boldt's different from other HVAC companies. Throughout their history, Boldt's has been managed by the very people who care most about their customer's satisfaction. Boldt's trained and certified technicians offer expert heating repair, furnace repair, air conditioning repair, boiler repair, radiant heating repair, hot water heating repair, humidifier service, air quality installations, HVAC installations and maintenance service as well as plumbing repair, drain cleaning, sanitary systems, water heater and water conditioning repairs and installation. We specialize in alternate energy heating systems such as geothermal heating and cooling, geothermal heat pumps, with free geothermal design.