Williston, ND
HVAC Pros in Williston, ND
10 HVAC providers currently list service in Williston, ND. MDU Resources (Montana-Dakota Utilities) rebates up to $1,000 available.
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Quick facts
- AreaWilliston
- StateND
- Providers10
- Climate zone7-Very-Cold
- Heating degree days9,200
- Recommended systemgas dominant
Why HVAC matters in Williston
Williston sits in IECC climate zone 7-Very-Cold with average January temperatures of 10°F and July highs around 67°F. With 9,200 heating degree days, a reliable heating system is essential for comfort and safety.
ND (Williams County) falls in IECC 7-Very-Cold. HDD 9200 / CDD 300 per NOAA 1991–2020 state averages drive a gas dominant HVAC strategy. Climate data is zone-level; consult a contractor for site-specific load calcs.
About Williston HVAC
10 HVAC providers list active service in Williston — a small but workable shortlist. Getting three quotes is realistic if you plan a week out. Williams County pricing tends to track the regional median, with premium brands and efficiency tiers driving the range.
Williston's climate keeps heating and cooling loads balanced enough that most homeowners run a single heat pump or packaged system rather than a split setup. Homeowners in Williston should expect seasonal pricing swings — spring and fall are the value windows for installs. MDU Resources (Montana-Dakota Utilities)'s MDU ND Heat Pump / Furnace Rebate currently offers up to $1,000 toward a qualifying system, which meaningfully shifts the cost-of-ownership math.
Top local providers
Request quotes →- Williston heating & coolingTop rated
What customers say “Called them fairly early this morning with furnace problems. Received a call back within an hour. The gentleman…”
- A Cooper Mechanical, Inc.Top ratedinstallationrepairemergency
What customers say “The heater in my basement failed and Cooper Mechanical was able to provide an estimate and replace the unit quickly.…”
- Mon-Dak heating & plumbingTop rated
What customers say “I was at the end of my rope, and the knot was slipping ! I stopped in and explained my situation to them. 100 degree…”
- Cornerstone Repair and FabricationTop rated
What customers say “Had them replace my AC pump, recharge the system, and do some welding on my tank. Everything’s been running great for…”
- Just Chillin’ RefrigerationTop rated
What customers say “These guys are amazing! They come do what you need and fix it! They are very professional, they dont mess around, they…”
What customers say “All of the employees were respectful and did great work. I would recommend Polar to everyone. They are old fashioned in…”
What customers say “Materials available right in town. Dont have to drive an hour out of town for scoria.”
What customers say “Old water heater was leaking and soaking the basement. Everyone in town was a week out to fix, including themselves. .…”
What customers say “I will definitely be using him for all my HVAC needs. He came out to South of Epping within an hour of calling. Had my…”
What customers say “The gentleman that came was great. I had no interactions but my husband did. My husband appreciated his service. For…”
What Williston homeowners say
“All of the employees were respectful and did great work. I would recommend Polar to everyone. They are old fashioned in the best way and will figure out how to get it done even if it’s tricky. We have an old furnace and they were able to add AC to ou…”
“The heater in my basement failed and Cooper Mechanical was able to provide an estimate and replace the unit quickly. Their team is knowledgable, friendly, courteous and kind. I highly recommend their services and want to share a big thanks for Cole, …”
“Had them replace my AC pump, recharge the system, and do some welding on my tank. Everything’s been running great for months now These guys are professional, their prices are fair, and they don’t just throw parts at your truck to run up the bill. The…”
Local pricing snapshot
Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Prices vary by system type, efficiency, and whether ductwork modifications are needed.
Available rebates in Williston
- MDU Resources (Montana-Dakota Utilities): MDU ND Heat Pump / Furnace Rebate — $250–$1,000 for heat pump
Federal tax credits (up to $2,000 for heat pumps) can stack with utility rebates. See full cost breakdown →
Nearby service areas
North Dakota hub →Explore more North Dakota markets from the state hub.
Popular comparisons in Williston
- Williston heating & cooling vs A Cooper Mechanical, Inc.5.0★ vs 5.0★
- Williston heating & cooling vs Mon-Dak heating & plumbing5.0★ vs 4.7★
- A Cooper Mechanical, Inc. vs Mon-Dak heating & plumbing5.0★ vs 4.7★
- A Cooper Mechanical, Inc. vs Cornerstone Repair and Fabrication5.0★ vs 5.0★
- Mon-Dak heating & plumbing vs Cornerstone Repair and Fabrication4.7★ vs 5.0★
- Mon-Dak heating & plumbing vs Just Chillin’ Refrigeration4.7★ vs 4.5★
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Frequently Asked Questions
What HVAC rebates are available in Williston?
Williston homeowners can stack multiple incentives: MDU Resources (Montana-Dakota Utilities) offers up to $1,000 for heat pump installations. Add the federal 25C tax credit ($2,000), and total savings can reach $3,000+. Ask your installer to itemize which rebates apply to your specific project.
How much does HVAC work cost in Williston?
In Williston, typical costs range from $150-$600 for repairs, $4,000-$8,000 for a standard furnace or AC replacement, and $6,000-$14,000 for a heat pump system. After available rebates, heat pump installations often net out to $4,000-$9,000. Get 2-3 written quotes to compare — prices vary significantly between contractors.
How do I verify a HVAC contractor is licensed in North Dakota?
North Dakota requires any contractor performing work over $4,000 to hold an active state Contractor License issued by the Secretary of State (four classes based on project size). Verify at firststop.sos.nd.gov/search/contractor — confirm Active status and current insurance. HVAC-specific trade licensing is handled municipally — Fargo, Bismarck, Grand Forks, and Minot each have their own mechanical registration and inspection processes. Gas work also requires a state plumbing license through the North Dakota State Plumbing Board.
Licensing verified weekly. Reviews refreshed within the last 30 days.
Licensing data: North Dakota Secretary of State — Contractor Licensing (state contractor registration only; no dedicated statewide HVAC trade license) · Company data: verified business records + Google Business profile
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