Local Pros · Hartford
Local HVAC Companies in Hartford, CT
Locally owned and operated hvac companies serving Hartford and the surrounding area. Supporting local businesses means faster response and accountability.
As of July 2026, RatingsNearMe ranks 19 hvac companies in Hartford, CT by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Degree Heating and Cooling with a 4.8-star rating from 1,447 Google reviews and an RNM Score of 85/100. Also in the top tier: SM Mechanical Services LLC and HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical. The average rating across all listed hvac companies in Hartford is 4.6 stars from 492 reviews per business on average.
HVAC service in Hartford: $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
West Hartford HVAC: Heating & Air Conditioning
It is consistently ranked as a top provider in Hartford due to its exceptional customer service and reliable workmanship.
Most Reviewed
Biozura Heating and Air
A high number of reviews provides a more reliable indicator of consistent service quality and customer satisfaction.
When choosing an HVAC service in Hartford, compare multiple quotes and check recent reviews to ensure you receive fair pricing and prompt service. Also, verify that the company is licensed and insured before hiring.
Local Market Snapshot
19
Businesses listed
4.6★
Avg rating
492
Avg reviews
Jul 4, 2026
Last updated
Top Rated HVAC Companies
Trusted by thousands, this Hartford HVAC pro holds a stellar 4.8-star rating.
160 Oak St #508, Glastonbury, CT 06033, USATrusted by hundreds of customers with a 4.8-star average rating in Hartford.
75 Naubuc Avenue Rear Unit, Glastonbury, CT 06033, USATrusted by thousands, this Hartford HVAC company holds a strong 4.5-star rating.
863 Marshall Phelps Rd, Windsor, CT 06095, USAHVAC Companies Rankings in Hartford, CT
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Degree Heating and Cooling160 Oak St #508, Glastonbury, CT 06033, USA | 4.8★ | 1,447 |
| #2 | SM Mechanical Services LLC75 Naubuc Avenue Rear Unit, Glastonbury, CT 06033, USA | 4.8★ | 653 |
| #3 | HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical863 Marshall Phelps Rd, Windsor, CT 06095, USA | 4.5★ | 4,316 |
| #4 | Connecticut Cooling & Heating, Inc.244 Woodland Ave, Bloomfield, CT 06002, USA | 4.5★ | 23 |
| #5 | Heating & Cooling Hartford456 Park St, Hartford, CT 06106, USA | 3.7★ | 6 |
| #6 | Ugo DiGrazia Air Conditioning and Heating, Inc.436 Franklin Ave, Hartford, CT 06114, USA | 4.9★ | 366 |
| #7 | Ideal Mechanical Services LLC74 Nedwied Rd, Tolland, CT 06084, USA | 5.0★ | 390 |
| #8 | Hi-TECH Mechanical Services LLC143 Vanderbilt Ave, West Hartford, CT 06110, USA | 5.0★ | 90 |
| #9 | Deitch Energy LLC40 Woodland St, Hartford, CT 06105, USA | 4.0★ | 70 |
| #10 | East Hartford Heating & Cooling366 Tolland St, East Hartford, CT 06108, USA | 4.1★ | 54 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated July 2026
All HVAC Companies in Hartford
4.5 stars from 23 reviews, reflecting strong, consistent customer satisfaction in Hartford.
244 Woodland Ave, Bloomfield, CT 06002, USA
A local HVAC provider with a 3.7-star rating based on 6 Google reviews.
456 Park St, Hartford, CT 06106, USA
Trusted by hundreds of customers with a near-perfect 4.9-star rating.
436 Franklin Ave, Hartford, CT 06114, USA
With a flawless 5.0-star rating from nearly 400 reviews, this Hartford HVAC company is highly trusted.
74 Nedwied Rd, Tolland, CT 06084, USA
With 90 perfect five-star reviews, this Hartford HVAC team is highly trusted.
143 Vanderbilt Ave, West Hartford, CT 06110, USA
Solid 4.0-star rating from 70 Google reviews for HVAC services in Hartford.
40 Woodland St, Hartford, CT 06105, USA
Reliable HVAC service with a solid 4.1-star rating from 54 Google reviews.
366 Tolland St, East Hartford, CT 06108, USA
Consistently rated 4.9 stars from 35 reviews for reliable HVAC service in Hartford.
60 Central Ave, Bloomfield, CT 06002, USA
Rated 4.9 stars from 19 reviews, reflecting consistently exceptional service.
10 N Main St #377, West Hartford, CT 06107, USA
Rated 4.3 stars from 14 Google reviews for reliable HVAC service in Hartford.
41 Walnut St, Hartford, CT 06120, USA
Rated 4.8 stars from 12 Google reviews for reliable HVAC service in Hartford.
206 Murphy Rd, Hartford, CT 06114, USA
Enjoyed by past customers with a flawless 5.0-star rating from 8 Google reviews.
255 Locust St, Hartford, CT 06114, USA
Reliable HVAC service in Hartford with a strong 4.7-star rating from 7 reviews.
1185 Main St, East Hartford, CT 06108, USA
Trusted by thousands, this Hartford HVAC pro holds a strong 4.4-star rating.
333 N Main St, West Hartford, CT 06117, USA
Trusted by hundreds, this HVAC company holds a stellar 4.8-star rating.
786 Silas Deane Hwy, Wethersfield, CT 06109, USA
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HVAC Companies in Hartford, CT — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Degree Heating and Cooling | 85/100 | 4.8 ★ | 1,447 |
| 2 | SM Mechanical Services LLC | 85/100 | 4.8 ★ | 653 |
| 3 | HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical | 80/100 | 4.5 ★ | 4,316 |
| 4 | Connecticut Cooling & Heating, Inc. | 67/100 | 4.5 ★ | 23 |
| 5 | Heating & Cooling Hartford | 47/100 | 3.7 ★ | 6 |
| 6 | Ugo DiGrazia Air Conditioning and Heating, Inc. | 87/100 | 4.9 ★ | 366 |
| 7 | Ideal Mechanical Services LLC | 88/100 | 5.0 ★ | 390 |
| 8 | Hi-TECH Mechanical Services LLC | 83/100 | 5.0 ★ | 90 |
| 9 | Deitch Energy LLC | 64/100 | 4.0 ★ | 70 |
| 10 | East Hartford Heating & Cooling | 65/100 | 4.1 ★ | 54 |
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 Hartford
How do I find the best hvac companies in Hartford?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Hartford on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Hartford licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CT 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 Hartford, CT?
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 Hartford?
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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