Water Heaters, Thermostats and More

Whether you need a wi-fi thermostat or other HVAC services, turn to the professionals at A-1 Heating & Air in Bismarck & Mandan, ND. We aim to offer you high value for every dollar you spend. Get in touch with us today for an estimate.

Additional HVAC Services Include

  • Air exchanger sales and installation
  • Air exchanger repairs and maintenance
  • Humidifier repairs and maintenance
  • Dehumidifier sales and installation
  • Dehumidifier repairs and maintenance
  • Water heater repairs and maintenance
  • Ultraviolet (UV) treatment system sales and installation
  • Ultraviolet (UV) treatment system repairs and maintenance
  • Wi-Fi thermostat installation
  • Gas line installation
  • Range hood venting

bar quote

"Our thermostat went out last winter. One call to A-1 Heating & Air ND and they had it replaced quickly. Great quality and friendly crew."

- Kyle