Bismarck Heating & Air has proudly served Bismarck/Mandan and the Surrounding area Since 1971. We offer 24 hour emergency service, 12 months no payments and no interest. We service all makes and models. We also do air testing, air cleaning, air duct cleaning and "pure air" filtering from bacteria, dust, molds and pollens.As your local Lennox dealer, we're proud to offer the finest heating, cooling and indoor air quality products, with prompt and professional customer service. Regardless of the season or the temperature outside, we can make your home feel perfectly comfortable.Services We Provide:*Air Conditioning Equipment Installation and Service*Heating Equipment Installation and Service*Air Purification Systems*Geothermal Heating and Cooling*Humidifying Equipment*Refrigeration Equipment Service and Installation*Sheet Metal Work*Water heatersSo call today for fast, quality service.