D & M Heating and Air Conditioning

D&M Heating & Air Conditioning is a Milwaukee-based HVAC company serving Southeastern Wisconsin since 1979 that installs, services, and repairs heating, cooling and indoor air quality systems. D&M Heating & Air Conditioning is a Carrier Factory Authorized Dealer offering residential and commercial work—including air conditioner, furnace and boiler installation and repair, smart thermostat and humidifier services, maintenance plans, and 24/7 emergency repairs—while providing financing and rebate assistance. The company emphasizes certified, safety-conscious workmanship (EPA and NATE certifications), an A+ Better Business Bureau rating, and a customer-first approach focused on long-term relationships and dependable service.