Top Picks · Thornton
Best HVAC Companies in Thornton, CO
Rated and reviewed by real customers. Compare prices, read reviews, and call the top pros near you — for free.
As of July 2026, RatingsNearMe ranks 14 hvac companies in Thornton, CO by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Impact Heating & Cooling Inc. with a 4.9-star rating from 904 Google reviews and an RNM Score of 87/100. Also in the top tier: Unique Heating and Air Conditioning Inc. and Pure Air Solutions. The average rating across all listed hvac companies in Thornton is 4.9 stars from 214 reviews per business on average.
HVAC service in Thornton: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated July 4, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Best Overall
Trusted Thornton HVAC Repair
Trusted Thornton HVAC Repair stands out as the top-ranked provider due to its consistent high ratings and strong local reputation.
Most Reviewed
Rabbit Heating & Air LLP
A high review count indicates broad customer experience and reliability, helping you gauge service consistency.
When choosing an HVAC provider in Thornton, compare recent reviews and ask about warranties and emergency service availability to ensure timely and reliable support.
Local Market Snapshot
14
Businesses listed
4.9★
Avg rating
214
Avg reviews
Jul 4, 2026
Last updated
Top Rated HVAC Companies
A trusted local choice with 4.9 stars from over 900 Google reviews.
12295 Pennsylvania St #8b, Thornton, CO 80241, USATrusted by hundreds of local customers with a stellar 4.8-star average rating.
10783 Irma Dr, Northglenn, CO 80233, USATrusted by hundreds of customers with a 4.8-star average rating.
14245 Forest St, Thornton, CO 80602, USAHVAC Companies Rankings in Thornton, CO
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Impact Heating & Cooling Inc.12295 Pennsylvania St #8b, Thornton, CO 80241, USA | 4.9★ | 904 |
| #2 | Unique Heating and Air Conditioning Inc.10783 Irma Dr, Northglenn, CO 80233, USA | 4.8★ | 774 |
| #3 | Pure Air Solutions14245 Forest St, Thornton, CO 80602, USA | 4.8★ | 307 |
| #4 | Marky Mark's Heating, Cooling & Plumbing Thornton4404 E 139th Ave, Thornton, CO 80602, USA | 4.8★ | 228 |
| #5 | 303 Heat10824 Leroy Dr #7, Northglenn, CO 80233, USA | 5.0★ | 222 |
| #6 | VO Heating and Cooling12168 Hudson Ct, Thornton, CO 80241, USA | 4.9★ | 194 |
| #7 | Northglenn Heating & AC, Inc10977 Irma Dr, Northglenn, CO 80233, USA | 4.6★ | 83 |
| #8 | Colorado Air Solutions1100 E 73rd Ave, Denver, CO 80229, USA | 5.0★ | 81 |
| #9 | SRT HVAC12470 York St #692, Eastlake, CO 80614, USA | 4.9★ | 72 |
| #10 | Rabbit Heating & Air LLP8933 Washington St Suite 3-4, Thornton, CO 80229, USA | 5.0★ | 10 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated July 2026
All HVAC Companies in Thornton
Trusted by hundreds of local customers, this HVAC company holds a stellar 4.8-star rating.
4404 E 139th Ave, Thornton, CO 80602, USA
Top-rated Thornton HVAC with 5.0 stars from over 200 reviews.
10824 Leroy Dr #7, Northglenn, CO 80233, USA
Top-rated HVAC contractor in Thornton with 4.9 stars from nearly 200 reviews.
12168 Hudson Ct, Thornton, CO 80241, USA
Trusted by locals with a strong 4.6-star rating from 83 Google reviews.
10977 Irma Dr, Northglenn, CO 80233, USA
Thornton's top-rated HVAC provider, earning a perfect 5.0 stars from 81 reviews.
1100 E 73rd Ave, Denver, CO 80229, USA
Trusted by 72 customers with a flawless 4.9-star average rating.
12470 York St #692, Eastlake, CO 80614, USA
Rated 5.0 stars from 10 Google reviews for exceptional HVAC service in Thornton.
8933 Washington St Suite 3-4, Thornton, CO 80229, USA
A 5.0-star rating from 1 review highlights exceptional local service.
500 E 84th Ave, Thornton, CO 80229, USA
Thornton’s top-rated HVAC provider with a flawless 5.0-star average from 34 reviews.
12412 York St, Thornton, CO 80241, USA
Trusted by 69 locals with an exceptional 4.9-star rating.
3884 E 120th Ave, Thornton, CO 80233, USA
This locally owned HVAC company holds a perfect 5.0-star rating from 10 Google reviews.
2469 Devonshire Ct, Denver, CO 80229, USA
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HVAC Companies in Thornton, CO — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Impact Heating & Cooling Inc. | 87/100 | 4.9 ★ | 904 |
| 2 | Unique Heating and Air Conditioning Inc. | 85/100 | 4.8 ★ | 774 |
| 3 | Pure Air Solutions | 85/100 | 4.8 ★ | 307 |
| 4 | Marky Mark's Heating, Cooling & Plumbing Thornton | 84/100 | 4.8 ★ | 228 |
| 5 | 303 Heat | 88/100 | 5.0 ★ | 222 |
| 6 | VO Heating and Cooling | 85/100 | 4.9 ★ | 194 |
| 7 | Northglenn Heating & AC, Inc | 76/100 | 4.6 ★ | 83 |
| 8 | Colorado Air Solutions | 82/100 | 5.0 ★ | 81 |
| 9 | SRT HVAC | 80/100 | 4.9 ★ | 72 |
| 10 | Rabbit Heating & Air LLP | 71/100 | 5.0 ★ | 10 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · July 2026
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Frequently Asked Questions — HVAC Companies in Thornton
How do I find the best hvac companies in Thornton?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Thornton on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Thornton licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CO requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in Thornton, CO?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in Thornton?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: July 4, 2026.
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