93/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 1,518 Google reviews, open 24/7.
- 4.8★ from 1,518 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5213 Longs Peak Rd A, Berthoud, CO 80513
Best HVAC Contractors in Berthoud, CO (2026)
376 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Berthoud: IMS Heating & Air, Inc., CR Score 93/100; 4.8★ from 1,518 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Limelight Services, posts 24/7 hours; ranked #2 of 376.
- 10
Most-reviewed: Allen Service, 6,401 Google reviews at 4.8★, the most of 376 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
376 Berthoud HVAC contractors are ranked here by CR Score, from 8 published factors. 152 are open 24/7, 219 open Saturdays and 187 open Sundays, based on posted hours. The median Google rating is 4.9★ across 376 rated businesses.
Top 10 HVAC contractors in Berthoud at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | IMS Heating & Air, Inc. | 93 | 4.8★ (1,518) | Berthoud | 24/7 | Overall |
| 2 | Limelight Services | 93 | 5.0★ (1,508) | Johnstown, 9 mi away | 24/7 | Emergencies |
| 3 | M and M Heating, Cooling, Plumbing and Electrical | 93 | 4.9★ (3,075) | Longmont, 11 mi away | 24/7 | — |
| 4 | DNI Heating, AC, Refrigeration, Plumbing & Electrical | 92 | 4.8★ (626) | Berthoud | 24/7 | — |
| 5 | Swan Plumbing Heating & Air Of Loveland | 92 | 4.8★ (2,466) | Loveland, 9 mi away | 24/7 | — |
| 6 | One Hour Heating & Air Conditioning® of Loveland | 92 | 4.8★ (2,777) | Loveland, 10 mi away | 24/7 | — |
| 7 | MGI Mechanical Services | 91 | 4.9★ (229) | Berthoud | 24/7 | — |
| 8 | Welzig Heating, Air, Plumbing & Electric | 91 | 4.9★ (1,269) | Longmont, 11 mi away | 24/7 | — |
| 9 | Lion Home Service | 91 | 4.7★ (5,912) | Fort Collins, 15 mi away | 24/7 | — |
| 10 | Allen Service | 90 | 4.8★ (6,401) | Fort Collins, 19 mi away | 24/7 | Most reviews |
The 376 best HVAC contractors in Berthoud, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Johnstown, 9 mi away
93/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 1,508 Google reviews, open 24/7.
- 5.0★ from 1,508 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4540 Venture Dr #100, Johnstown, CO 80534
Based in Longmont, 11 mi away
93/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 3,075 Google reviews, open 24/7.
- 4.9★ from 3,075 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 110 S Bowen Cir, Longmont, CO 80501
Based in Berthoud
92/100CR ScoreRanked #4 because of its Google rating and availability: 4.8★ from 626 Google reviews, open 24/7.
- 4.8★ from 626 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 14196 Co Rd 7, Mead, CO 80542
Based in Loveland, 9 mi away
92/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 2,466 Google reviews, open 24/7.
- 4.8★ from 2,466 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3838 N Garfield Ave, Loveland, CO 80538
Based in Loveland, 10 mi away
92/100CR ScoreRanked #6 because of its Google rating and availability: 4.8★ from 2,777 Google reviews, open 24/7.
- 4.8★ from 2,777 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5400 N Garfield Ave, Loveland, CO 80538
Based in Berthoud
91/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 229 Google reviews, open 24/7.
- 4.9★ from 229 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 266 Basher Dr UNIT 1, Berthoud, CO 80513
Based in Longmont, 11 mi away
91/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 1,269 Google reviews, open 24/7.
- 4.9★ from 1,269 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1831 Boston Ave, Longmont, CO 80501
Based in Fort Collins, 15 mi away
91/100CR ScoreRanked #9 because of its Google rating and availability: 4.7★ from 5,912 Google reviews, open 24/7.
- 4.7★ from 5,912 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4868 Innovation Dr, Fort Collins, CO 80525
#10 Allen Service
Based in Fort Collins, 19 mi away
90/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 6,401 Google reviews, the most Google reviews on this list (6,401).
- 4.8★ from 6,401 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 101 S Link Ln, Fort Collins, CO 80524
Based in Fort Collins, 19 mi away
90/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 3,171 Google reviews, open 24/7.
- 4.9★ from 3,171 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 208 Commerce Dr #4, Fort Collins, CO 80524
Based in Berthoud
90/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 84 Google reviews, open 24/7.
- 5.0★ from 84 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Loveland, 11 mi away
90/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 1,106 Google reviews, open 24/7.
- 4.8★ from 1,106 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 395 W 67th St, Loveland, CO 80538
Based in Longmont, 11 mi away
90/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 1,093 Google reviews, open 24/7.
- 4.8★ from 1,093 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1740 Skyway Dr UNIT H, Longmont, CO 80504
Based in Longmont, 10 mi away
90/100CR ScoreRanked #15 because of its Google rating and availability: 4.8★ from 865 Google reviews, open 24/7.
- 4.8★ from 865 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 525 3rd Ave, Longmont, CO 80504
Based in Loveland, 11 mi away
90/100CR ScoreRanked #16 because of its Google rating and availability: 4.9★ from 512 Google reviews, open 24/7.
- 4.9★ from 512 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5854 Lockheed Ave, Loveland, CO 80538
Based in Fort Collins, 15 mi away
89/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 486 Google reviews, open 24/7.
- 5.0★ from 486 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4730 S College Ave #108, Fort Collins, CO 80525
#18 A&E Comfort Pros
Based in Frederick, 11 mi away
89/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 266 Google reviews, open 24/7.
- 5.0★ from 266 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7391 CO-66, Platteville, CO 80651
Based in Berthoud
89/100CR ScoreRanked #19 because of its Google rating and availability: 4.7★ from 155 Google reviews, open 24/7.
- 4.7★ from 155 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Berthoud
89/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 315 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 315 Google reviews
- Hours
- Mon–Sun 7 AM–10 PM
- Address
- 215 Versaw Ct, Berthoud, CO 80513
Based in Berthoud
89/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 50 Google reviews, open 24/7.
- 5.0★ from 50 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 300 Wark Ave, Berthoud, CO 80513
Based in Berthoud
89/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 96 Google reviews, open 24/7.
- 5.0★ from 96 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Longmont, 9 mi away
89/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 205 Google reviews, open 24/7.
- 4.9★ from 205 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1524 Collyer St, Longmont, CO 80501
Based in Loveland, 5 mi away
89/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 113 Google reviews, open 24/7.
- 4.9★ from 113 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 127 SW 12th St, Loveland, CO 80537
Based in Loveland, 11 mi away
88/100CR ScoreRanked #25 because of its Google rating and availability: 4.6★ from 1,315 Google reviews, open 24/7.
- 4.6★ from 1,315 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 193 E 71st St, Loveland, CO 80538
HVAC contractors ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 376 ranked HVAC contractors here; the rest are on their profiles.
Also serving Berthoud
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 4Therm Mechanical, Inc. | 5.0★ (2) | In Berthoud |
| Alps Performance HVAC | In Berthoud | |
| APR Plumbing & Heating, Inc. | In Berthoud | |
| B-Town Plumbing | 5.0★ (53) | In Berthoud |
| Colorado Proud Heating and Cooling | 5.0★ (2) | In Berthoud |
| Deep Clean Air Solutions | In Berthoud | |
| Elevation Plumbing & Heating Inc | In Berthoud | |
| Elite Rooter Plumbers | 4.6★ (460) | In Berthoud |
| EnergyLogic, Inc | 3.3★ (4) | In Berthoud |
| HAWF Mechanical | 5.0★ (2) | In Berthoud |
| Ideal Comfort HVAC LLC | 4.3★ (66) | In Berthoud |
| Keystone Heating & Air Conditioning | 3.0★ (1) | In Berthoud |
| Lefort Built Construction Company | 5.0★ (38) | In Berthoud |
| Mayer Plumbing | 5.0★ (299) | In Berthoud |
| Mountain Lion Mechanical | 4.0★ (1) | In Berthoud |
| Nuwave Heating and Cooling Pros | 5.0★ (1) | In Berthoud |
| Phillips Plumbing & Mechanical | 5.0★ (3) | In Berthoud |
| Trout Mechanical Solutions, LLC | 5.0★ (1) | In Berthoud |
| True Impact HVAC LLC | 5.0★ (2) | In Berthoud |
| True Mechanical Services LLC | 5.0★ (52) | 11 mi |
How much do HVAC contractors cost in Berthoud?
National price ranges in USD, not adjusted for Berthoud. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
When to hire an HVAC contractor in Colorado
In Colorado, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
How we ranked Berthoud HVAC contractors
We scored 376 Berthoud HVAC contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Berthoud data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
HVAC contractors in Berthoud: frequently asked questions
Who is the best HVAC contractor in Berthoud?
By CR Score, the highest-ranked HVAC contractor in Berthoud, CO is IMS Heating & Air, Inc. with a CR Score of 93/100. It has 4.8★ from 1,518 Google reviews. It is open 24/7. Limelight Services (#2) and M and M Heating, Cooling, Plumbing and Electrical (#3) follow. We ranked 376 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Berthoud?
ContractorsRanked ranks 376 HVAC contractors serving Berthoud, CO. 12 of them are based in Berthoud; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Berthoud are open 24/7?
152 ranked HVAC contractors in Berthoud post 24/7 hours. The highest-ranked are IMS Heating & Air, Inc. (#1), Limelight Services (#2) and M and M Heating, Cooling, Plumbing and Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Berthoud work on weekends?
219 of 376 ranked HVAC contractors post Saturday hours and 187 post Sunday hours. The highest-ranked open Saturdays are IMS Heating & Air, Inc. (#1), Limelight Services (#2) and M and M Heating, Cooling, Plumbing and Electrical (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Berthoud?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Berthoud. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Berthoud HVAC contractors have?
The median Google rating among 376 rated HVAC contractors in Berthoud is 4.9★, with a median of 32 reviews. Allen Service has the most, 6,401 reviews, and ranks #10. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Berthoud?
In Colorado, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Berthoud
- October 2026: CR Scores recalculated for 376 hvac contractors serving Berthoud.
- October 2026: 4 duplicate listings merged.
More HVAC contractors and Berthoud pages
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