Reader Favorite
Dooley's Diabolical Diesel
- Based in
- Great Falls
- Coverage
- Based in Great Falls
Why we picked them
A large, loyal client base: 38 public reviews, averaging 4.5 out of 5.
Checked Oct 2026
- Operating status
Great Falls · AC Repair
The 3 Best Companies for AC Repair in Great Falls
2027 Edition
The short answer
For ac repair in Great Falls, call Dooley's Diabolical Diesel, Northern Heating & Cooling or At Klemens first. We chose them from 3 local companies on rating, review volume, recent activity and years in business.
Our 3 selections for ac repair
Editor's Pick
Northern Heating & Cooling
- Based in
- Black Eagle
- Coverage
- Based in Great Falls
Why we picked them
The strongest overall record of the 3 companies for ac repair we reviewed in Great Falls: rating, review volume, recent activity and years in business, taken together.
Checked Oct 2026
- Operating status
Selection 03
At Klemens
- Based in
- Great Falls
- Coverage
- Based in Great Falls
Why we picked them
A steady public record: 4.7 from 34 reviews.
Checked Oct 2026
- Operating status
At a glance
The three, side by side
| 01Dooley's Diabolical Diesel | 02Northern Heating & Cooling | 03At Klemens | |
|---|---|---|---|
| Best for | Reader Favorite | Editor's Pick | – |
| Rating | 4.5 · 38 reviews | 4.8 · 58 reviews | 4.7 · 34 reviews |
| In business | – | – | – |
| Budget | – | – | – |
| Free estimate | Ask | Ask | Ask |
| License | Not confirmed yet | Not confirmed yet | Not confirmed yet |
| Based in | Great Falls | Black Eagle | Great Falls |
Methodology
How we selected these businesses
Three is a deliberately small number. It forces us to leave out good companies.
- We start with everyone.3 companies for ac repair in Great Falls, from public listings and review platforms.
- We remove the risky.No working phone, too few genuine reviews or a weak rating.
- We read the record.Review volume and recency, years in business and the record checks we could confirm.
- Editors keep three.And write down who each one suits best.
Local facts · Cascade
Great Falls, by the numbers
Public records tell you how busy the trade is and what the rules ask of every job. Read them before you call.
- People per square mile
- 2,599
- Calculated from U.S. Census Bureau 2025 estimates and Gazetteer land area · 2025
- Great Falls residents
- 60,208
- U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · July 1, 2025
- Population change since 2020: from 60,481 (April 2020 base)
- -0.5%
- U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025) · 2020–2025
Public sources, checked November 4, 2026.
Local guide
Hiring companies for ac repair in Great Falls: what to know first
Check the license
Look the company up on your state’s license search, and ask for insurance papers sent by the insurer.
Compare written quotes
Three quotes for the same work, each listing what is not included.
Ask about the warranty
In writing, clear about what it covers, and transferable if you sell.
Pay in stages
Pay for finished, inspected stages, not dates.
Request a quote
Ask our three for a price
One short form, sent only to the companies you tick. Most reply within one or two working days.
Questions
Questions about ac repair in Great Falls
- How did the editors choose these AC repair companies in Great Falls?
- Editors shortlist businesses with strong ratings and enough reviews, check their records, and choose the final picks against the published criteria. We compared 3 AC repair companies for Great Falls.
- Which of these AC repair companies in Great Falls has the best reviews?
- Northern Heating & Cooling has a 4.8 rating from 58 public reviews, the highest on this page.
- Are these AC repair companies licensed?
- 3 of the 3 businesses here had their state license checked against public records. Each profile shows the source and the date of the check.
- How many quotes should I get for AC repair companies in Great Falls?
- Get at least three. Use the quote form on this page: only the businesses you tick receive your request.
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