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Best HVAC Companies in Connecticut

Compare professionals serving Connecticut.

Homeowners in Connecticut comparing the best hvac companies quickly find that quality varies more than price does. From Hartford to Bridgeport, the providers below are rated by real customers - reviewing several side by side is the fastest way to hire with confidence.

Professionals serving Connecticut

Discuss your hvac project

Call to ask about service scope, scheduling, and availability for Connecticut.

Call (213) 771-9825

Top HVAC Providers Across Connecticut

Short profiles of every provider on this page - what each one handles, how customers rate them, and how they fit the Connecticut market.

1.

US 911 HVAC

4.9(1385 reviews) VerifiedFeatured

US 911 HVAC runs a nationwide HVAC line with round-the-clock coverage that includes Connecticut. The company quotes work in writing up front, which makes it easy to compare against other bids. It competes in the country's #29 largest state market - about 3.6 million residents - where HVAC demand stays steady. Request a written quote from US 911 HVAC and at least two other Connecticut providers before you commit.

(213) 771-9825
2.

TempMaster Heating & Cooling

4.5(40 reviews) Verified

TempMaster Heating & Cooling serves Connecticut homeowners with a focus on doing HVAC work right the first time. Reviewers most often mention on-time arrival and friendly, professional technicians. Quotes track local labor costs - BLS pegs the Connecticut median wage for heating, air conditioning, and refrigeration mechanics and installers at $76,610 a year. A quick call tells you how soon TempMaster Heating & Cooling can start in your corner of Connecticut and what a visit will cost.

(813) 547-8460
3.

AirLine HVAC Services

4.6(51 reviews)

On Connecticut provider lists for this service, AirLine HVAC Services earns its place near the top. Customers rate it 4.6 stars across 51 reviews and past clients single out fair, upfront pricing. Demand around Hartford and Bridgeport keeps Connecticut calendars full, so early quote requests get the best slots. Compare AirLine HVAC Services against the rest of this Connecticut list on licensing, reviews, and the clarity of its quote.

(407) 789-2020
4.

Arctic Peak Heating & Air

4.7(62 reviews)

Working across Connecticut, Arctic Peak Heating & Air has turned dependable HVAC work into repeat business. Its team handles furnace replacement and air conditioning cleaning, alongside the rest of the usual HVAC workload. Before booking, credentials are easy to check: Connecticut contractor licensing runs through the Connecticut Dept. of Consumer Protection. As with any Connecticut hire, weigh Arctic Peak Heating & Air's written scope and warranty against two competing bids.

(816) 558-9045
5.

ClimateCare HVAC Co.

4.8(73 reviews) Verified

A Connecticut shortlist for this job is not complete without ClimateCare HVAC Co. Core services run from furnace cleaning to furnace repair, so most residential jobs stay in-house. Before booking, credentials are easy to check: Connecticut contractor licensing runs through the Connecticut Dept. of Consumer Protection. As with any Connecticut hire, weigh ClimateCare HVAC Co.'s written scope and warranty against two competing bids.

(614) 502-6274

Connecticut HVAC Market at a Glance

Population

3,605,944

#29 largest state, 2020 Census

Median wage: Heating, Air Conditioning, and Refrigeration Mechanics and Installers

$76,610/yr

26% above the national median of $61,010

License verification

Connecticut Dept. of Consumer Protection

Contractors are licensed at the state level - verify before hiring.

Largest metro areas

Hartford · Bridgeport · New Haven

Where Connecticut demand concentrates

Sources: U.S. Census Bureau, 2020 Census (April 1, 2020); U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), 2025.

What does this work cost in Connecticut?
Pricing in Connecticut depends on scope, materials, local labor rates, and the provider. Costs in larger metros often run higher than in rural areas. Compare at least three written quotes from Connecticut providers.
Are hvac contractors in Connecticut licensed and insured?
Licensing and insurance requirements for hvac work vary by state and municipality. Before hiring any Connecticut hvac company, confirm it holds the proper state license, carries liability insurance, and can provide references.
How do I choose the best hvac company in Connecticut?
Compare provider ratings, read what past customers liked and disliked, verify licensing and insurance, and request written quotes from several Connecticut companies. The list above ranks top-rated hvac providers serving homeowners across the state.