93/100CR Score
Ranked #1 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
Best HVAC Contractors in Windsor, CO (2026)
265 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Windsor: Limelight Services, CR Score 93/100; 5.0★ from 1,508 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Allen Service, posts 24/7 hours; ranked #2 of 265.
- 2
Most-reviewed: Allen Service, 6,401 Google reviews at 4.8★, the most of 265 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
265 Windsor HVAC contractors are ranked here by CR Score, from 8 published factors. 105 are open 24/7, 155 open Saturdays and 134 open Sundays, based on posted hours. The median Google rating is 4.9★ across 265 rated businesses.
Top 10 HVAC contractors in Windsor at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Limelight Services | 93 | 5.0★ (1,508) | Johnstown, 7 mi away | 24/7 | Overall |
| 2 | Allen Service | 93 | 4.8★ (6,401) | Fort Collins, 11 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Fort Collins Heating & Air Conditioning and Plumbing | 93 | 4.9★ (3,171) | Fort Collins, 11 mi away | 24/7 | — |
| 4 | Lion Home Service | 92 | 4.7★ (5,912) | Fort Collins, 8 mi away | 24/7 | — |
| 5 | One Hour Heating & Air Conditioning® of Loveland | 92 | 4.8★ (2,777) | Loveland, 9 mi away | 24/7 | — |
| 6 | Christopher’s Heating and Cooling | 92 | 4.9★ (292) | Windsor | 24/7 | — |
| 7 | Swan Plumbing Heating & Air Of Loveland | 91 | 4.8★ (2,466) | Loveland, 10 mi away | 24/7 | — |
| 8 | Balance Point Heating, Cooling & Plumbing | 91 | 4.9★ (512) | Loveland, 5 mi away | 24/7 | — |
| 9 | AAA Service Plumbing, Heating & Electric | 91 | 5.0★ (426) | Fort Collins, 9 mi away | 24/7 | — |
| 10 | Balance Point Heating, Cooling & Plumbing | 91 | 5.0★ (486) | Fort Collins, 10 mi away | 24/7 | — |
The 265 best HVAC contractors in Windsor, 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 Fort Collins, 11 mi away
93/100CR ScoreRanked #2 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, 11 mi away
93/100CR ScoreRanked #3 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 Fort Collins, 8 mi away
92/100CR ScoreRanked #4 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
Based in Loveland, 9 mi away
92/100CR ScoreRanked #5 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 Windsor
92/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 292 Google reviews, open 24/7.
- 4.9★ from 292 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1006 Cottonwood Dr, Windsor, CO 80550
Based in Loveland, 10 mi away
91/100CR ScoreRanked #7 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, 5 mi away
91/100CR ScoreRanked #8 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, 9 mi away
91/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 426 Google reviews, open 24/7.
- 5.0★ from 426 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 825 SW Frontage Rd #1B, Fort Collins, CO 80524
Based in Fort Collins, 10 mi away
91/100CR ScoreRanked #10 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
Based in Berthoud, 10 mi away
91/100CR ScoreRanked #11 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
Based in Fort Collins, 8 mi away
90/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 451 Google reviews, open 24/7.
- 4.9★ from 451 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2580 E Harmony Rd Suite 301-06, Fort Collins, CO 80528
Based in Loveland, 10 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 Greeley, 10 mi away
90/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 384 Google reviews, open 24/7.
- 5.0★ from 384 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2526 W 10th St STE A, Greeley, CO 80634
Based in Fort Collins, 10 mi away
90/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 530 Google reviews, open 24/7.
- 4.9★ from 530 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1420 Riverside Ave #102, Fort Collins, CO 80524
Based in Windsor
90/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 65 Google reviews, open 24/7.
- 5.0★ from 65 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1828 Ruddlesway Dr, Windsor, CO 80550
Based in Windsor
90/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 402 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 402 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun 8 AM–5 PM
- Address
- 671 Academy Ct UNIT A, Windsor, CO 80550
Based in Fort Collins, 9 mi away
89/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 296 Google reviews, open 24/7.
- 4.9★ from 296 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1925 S Timberline Rd N15, Fort Collins, CO 80525
Based in Greeley, 10 mi away
89/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 301 Google reviews, open 24/7.
- 4.9★ from 301 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 107 N 23rd Ave, Greeley, CO 80631
Based in Fort Collins, 8 mi away
89/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 311 Google reviews, open 24/7.
- 4.8★ from 311 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1833 E Harmony Rd, Fort Collins, CO 80528
Based in Loveland, 9 mi away
89/100CR ScoreRanked #21 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
Based in Longmont, 25 mi away
89/100CR ScoreRanked #22 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, 2 mi away
89/100CR ScoreRanked #23 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 Greeley, 11 mi away
89/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 298 Google reviews, open 24/7.
- 4.9★ from 298 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3005 W 29th St Unit C, Greeley, CO 80631
Based in Fort Collins, 10 mi away
89/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 145 Google reviews, open 24/7.
- 5.0★ from 145 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 394 Delozier Dr, Fort Collins, CO 80524
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 265 ranked HVAC contractors here; the rest are on their profiles.
Also serving Windsor
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) | 20 mi |
| A & M Electric | 3.0★ (2) | 13 mi |
| A&O Heating & Air Conditioning | 5.0★ (2) | 15 mi |
| Colorado Proud Heating and Cooling | 5.0★ (2) | 19 mi |
| Colorado's Finest Heating and Air Conditioning | 4.9★ (205) | 23 mi |
| Erik's Quality HVAC LLC | 5.0★ (1) | 1 mi |
| Four Seasons Heating & Air Inc. | 1.0★ (2) | 11 mi |
| Genesis Air Conditioning Repair | 5.0★ (2) | 10 mi |
| HAWF Mechanical | 5.0★ (2) | 2 mi |
| Heating & Cooling Services | 5.0★ (2) | 12 mi |
| Hines Corp | 5.0★ (2) | 9 mi |
| Independent Power - Fort Collins | 5.0★ (2) | 11 mi |
| Jetson Home - Loveland | In Windsor | |
| MONTY'S HEATING AND AIR | 5.0★ (2) | 10 mi |
| Newt Plumbing Heating & Air | 5.0★ (2) | 18 mi |
| NoCo Local Pluming And Heating | 5.0★ (2) | 11 mi |
| Polar Bear Plumbing Heating & Air | 5.0★ (541) | In Windsor |
| Specialized 72 Degrees Air Conditioning & Heating | 4.8★ (30) | 9 mi |
| Stoney's Plumbing & Heating, LLC | 5.0★ (2) | 9 mi |
| Swan Plumbing Heating & Air of Fort Collins | 4.8★ (65) | 12 mi |
How much do HVAC contractors cost in Windsor?
National price ranges in USD, not adjusted for Windsor. 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 Windsor HVAC contractors
We scored 265 Windsor 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 Windsor 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 Windsor: frequently asked questions
Who is the best HVAC contractor in Windsor?
By CR Score, the highest-ranked HVAC contractor in Windsor, CO is Limelight Services with a CR Score of 93/100. It has 5.0★ from 1,508 Google reviews. It is open 24/7. Allen Service (#2) and Fort Collins Heating & Air Conditioning and Plumbing (#3) follow. We ranked 265 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Windsor?
ContractorsRanked ranks 265 HVAC contractors serving Windsor, CO. 3 of them are based in Windsor; 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 Windsor are open 24/7?
105 ranked HVAC contractors in Windsor post 24/7 hours. The highest-ranked are Limelight Services (#1), Allen Service (#2) and Fort Collins Heating & Air Conditioning and Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Windsor work on weekends?
155 of 265 ranked HVAC contractors post Saturday hours and 134 post Sunday hours. The highest-ranked open Saturdays are Limelight Services (#1), Allen Service (#2) and Fort Collins Heating & Air Conditioning and Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Windsor?
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 Windsor. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Windsor HVAC contractors have?
The median Google rating among 265 rated HVAC contractors in Windsor is 4.9★, with a median of 36 reviews. Allen Service has the most, 6,401 reviews, and ranks #2. 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 Windsor?
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 Windsor
- October 2026: CR Scores recalculated for 265 hvac contractors serving Windsor.
- October 2026: 2 duplicate listings merged.
More HVAC contractors and Windsor pages
HVAC contractors near Windsor
- HVAC contractors in Johnstown, CO324 ranked
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- HVAC contractors in Loveland, CO303 ranked
- HVAC contractors in Greeley, CO241 ranked
- HVAC contractors in Fort Collins, CO218 ranked
- HVAC contractors in Evans, CO245 ranked
- HVAC contractors in Berthoud, CO376 ranked
- HVAC contractors in Wellington, CO180 ranked
- HVAC contractors in Longmont, CO481 ranked
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Other trades in Windsor
- Roofers in Windsor339 ranked
- Plumbers in Windsor228 ranked
- Electricians in Windsor199 ranked
- General contractors in Windsor214 ranked
- Painters in Windsor167 ranked
- Landscapers in Windsor170 ranked
- Handymen in Windsor104 ranked
- Kitchen remodelers in Windsor154 ranked
- Bathroom remodelers in Windsor150 ranked
- Flooring contractors in Windsor119 ranked
- Tile installers in Windsor46 ranked
- Drywall contractors in Windsor21 ranked
- Concrete contractors in Windsor158 ranked
- Fence contractors in Windsor85 ranked
- Deck builders in Windsor100 ranked
- Siding contractors in Windsor124 ranked
- Window installers in Windsor137 ranked
- Gutter installers in Windsor77 ranked
- Insulation contractors in Windsor46 ranked
- Solar installers in Windsor65 ranked
- Garage door repair companies in Windsor78 ranked
- Foundation repair companies in Windsor31 ranked
- Tree services in Windsor114 ranked
- Masonry contractors in Windsor58 ranked
- Water damage restoration companies in Windsor159 ranked
- Home builders in Windsor245 ranked
- Demolition contractors in Windsor26 ranked
- All contractors in Windsor