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For over a decade, A-1 Heating & Air ND has been the trusted choice for homeowners across Bismarck. Honest pricing, careful work, and a team that actually shows up.
My husband and I called for a furnace that was not working. Eric came so quickly and thinking it was the circuit board but upon further checking found the heat exchanger was cracked so we would have needed to replace it.
Had our unit replaced with them a few years back after repair. Our ac stopped working right two days ago, and it was hotter inside then out. We out in for a service request and we’re back up with cool air before 11 am on Monday :) always professional, always kind, and a great pr…
This company is so amazing and there technicians and installation and installers are amazing. I highly recommend this company to anyone. Thank you to everyone for helping us someday to get a new heater installed and take the old one out.
No surprises. No corner-cutting. Just careful, code-compliant work from a team you can actually reach.
Same-day diagnosis and repair on most units.
Tune-ups, repairs, and full replacement.
Improves airflow, allergens, and energy bills.
Twice-yearly tune-ups for peace of mind.
We are a locally owned and operated heating and air conditioning contractor, servicing nearly all makes and models. We provide new Heil brand furnaces and air conditioners, as well as garage and shop heaters. At A-1 Heating & Air, we are committed to providing top-notch heating and air conditioning services.
We're a small Bismarck-area team with deep roots in the community. Most of our work comes from word-of-mouth — which means we have to earn your trust on every single job. We treat your home the way we'd treat our own.
Free estimates. No pressure. Same-day callback most days of the week.