Independent since 2003 · Licensed in 28 states · NPN 7642818

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HVAC contractor insurance in Connecticut

HVAC Insurance Group provides HVAC contractor insurance in Connecticut: general liability, workers' comp, service-van auto, tools and installation floaters, and license bonds, quoted across 12+ A-rated carriers.

Connecticut is an oil-heat state. EIA's 2020 household survey put fuel oil and kerosene at 39% of homes, the largest single heating fuel there, and the state licenses oil and gas burner work separately from warm air and AC. From Hartford to New Haven, we match HVAC coverage to the license classes and the fuels you actually work on.

Licensed in Connecticut · License #2668839

  • Since 2003
  • 12+ A-rated carriers
  • 28 states
  • Independent agents

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Licensed in 28 states · NPN 7642818 · Since 2003

What a Connecticut DCP license means for your coverage

Connecticut licenses HVAC work statewide, by the type of system, and it splits every class into a contractor license and a journeyperson license. The insurance tie is comp and unemployment insurance: you show you'll comply before a contractor license issues.

The license matrix

The Department of Consumer Protection (DCP) issues these licenses through its Heating, Piping, Cooling and Sheet Metal Work Board. Odd numbers are contractor licenses; even numbers are journeyperson licenses.

  • S-1 / S-2 Unlimited Heating, Piping and Cooling: all heating, piping and cooling work, sheet metal included.
  • S-3 / S-4 Limited Heating, Cooling and Piping: hydronic heating, chilled and condenser water piping, and fuel and gas piping, but no refrigeration systems or refrigerants.
  • D-1 / D-2 Limited Warm Air, Air Conditioning and Refrigeration: warm-air, AC and refrigeration systems with related piping, plus LP and natural gas piping and gas appliances. It excludes oil burners of any size.
  • D-3 / D-4 Limited Cooling: refrigeration for food storage, AC or process systems, with no gas or oil work.
  • B-1 / B-2 Limited Gas and Oil Burner: domestic and light commercial burners up to 5 gallons an hour or 500,000 BTU. B-3 / B-4 cover gas and oil burners of any size.
  • G-1 / G-2: gas piping and gas appliances.
  • S-7 / S-8 and S-9 / S-10: limited licenses for buildings up to three stories and 500,000 BTU.

Ductwork doesn't need a separate class for most shops, because the S licenses and the limited licenses include sheet metal work in their scope. DCP also issues separate sheet metal licenses.

Contractor exams generally require two years as a licensed journeyperson. We found no dollar threshold; the work itself is what's licensed.

Comp proof, and no GL minimum

A contractor license won't issue until you show DCP that you'll meet the state's comp and unemployment insurance rules. Chapter 393 sets no GL minimum that we could find, and no license bond either.

A DCP license is valid in every town, and no town may require more testing or another license. Towns still issue permits under the State Building Code.

Home improvement registration and Section 608

DCP's home improvement guide exempts you from home improvement contractor registration when you hold a state trade license and the work is within that license's scope. If your crews also take on non-HVAC remodeling, that extra work needs the registration.

EPA Section 608 certification applies to anyone opening a refrigerant circuit, here and everywhere else. Section 608 and your HVAC business Confirm the current requirement with DCP: DCP heating, piping and cooling licenses.

Connecticut workers' comp for HVAC contractors

Any Connecticut employer with one or more employees needs comp. For an HVAC shop, that means the first journeyperson or apprentice you hire.

  • Unemployment insurance: the same license check covers the state's unemployment insurance rules, so plan for both when you add payroll.
  • Owners: a corporate officer can opt out by written notice. Going the other way, a sole proprietor or partner sits outside the Act unless they sign up for coverage on paper.
  • Penalties: an uninsured HVAC shop can be cited and, once a hearing is held, fined as much as $50,000, with a floor of $500 per employee or $5,000, whichever is lower. Skipping comp on purpose, knowing the law, is a class D felony, and that charge lands on the people who run the business: owners, partners, LLC principals and corporate officers.
  • 1099 techs: knowingly passing employees off as independent contractors to pay a lower comp premium is also a class D felony under the same section, and it can bring a stop-work order. Ask your CPA or an attorney before you rely on 1099 status.

The Connecticut Workers' Compensation Commission has employer resources. Comp for HVAC shops

Connecticut HVAC coverages in order of need

Pollution liability

Oil burners, tanks and fuel lines add release and combustion exposures that many GL policies limit. Pollution coverage for HVAC

General liability

No DCP minimum, but every no-heat call in a rental sits under a 48-hour clock. HVAC general liability

Workers' comp

Proof comes before the contractor license, and one hire triggers the requirement. Workers' comp for HVAC

Tools and equipment

Combustion analyzers, recovery machines and burner parts ride from job to job all winter. HVAC tools coverage

Commercial auto

Service vans running winter no-heat routes need every driver and vehicle scheduled. HVAC commercial auto

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Connecticut risks behind an HVAC premium

Oil-fired equipment

With more than a third of Connecticut homes heating with oil, service shops work on burners, fuel piping and tanks, all inside the B-license scope. The fuel itself is changing too: the state's blend law requires heating oil to carry 5% biodiesel from 2022, 10% in 2025, then 15% in 2030, 20% in 2034 and 50% in 2035. A fuel-oil release or a combustion problem is a pollution-type exposure, and many GL policies limit those, so ask how the policy we quote treats them.

The 48-hour no-heat rule

Connecticut landlords must supply reasonable heat and keep heating equipment in good, safe working order. If heat fails for reasons within the landlord's control, the tenant can buy heat and deduct it from rent, or, if it isn't restored within 48 hours, get substitute housing. Property managers push their HVAC contractors hard to beat that clock in January, and rushed work is still completed work you answer for.

Connecticut cities where we insure HVAC shops

Hartford

Hartford's rental licensing program uses a Heating Facility Certification. A company representative inspects the system, lists the heat type and fuel (No. 2, 4 or 6 oil, gas or electric), and certifies with a license number that repairs are done and every unit can reach at least 65°F. Signing that form puts your name on a statement a city relies on, which is where general liability and accurate work both matter.

Bridgeport

The City of Bridgeport tells renters that landlords must keep buildings at 65°F or warmer, and asks tenants whose heat hasn't been turned on to report it to the Health Department. That makes a winter no-heat call a city enforcement matter for the landlord and a priority job for residential service contractors.

New Haven

New Haven is a 2026 Energize Connecticut Community Partner. Its "Energize the Elm City" campaign sends residents of one- to four-unit homes to Home Energy Solutions assessments with a blower door test and health and safety checks, free for income-eligible households. Those assessments may lead to heating and duct upgrades, the kind of residential retrofit work worth insuring properly.

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Connecticut HVAC insurance cost drivers

Fuel mix shapes the risk. Oil-heat service on burners, tanks and fuel lines adds pollution-type exposure that underwriters price differently from gas-only or heat-pump-only work. With fuel oil at 39% of Connecticut households in EIA's 2020 survey, that mix is common here.

Your license mix matters as well. An S-1 shop that does hydronic boilers, oil burners, gas piping and split systems carries a wider set of exposures than a D-3 shop that only services cooling equipment. Tell us which DCP classes you hold and roughly how your revenue splits across them, so the quote reflects the work you actually do.

What you pay depends on your payroll by class code, your annual revenue, your mix of installation and service work, residential versus commercial jobs, the vans you run, your claims history and the limits you pick. Oil-heat and cooling shops can compare published ranges in what HVAC insurance costs.

Licensed to write Connecticut HVAC accounts

HVAC Insurance Group is a brand of The Allen Thomas Group, licensed in Connecticut (License #2668839, NPN 7642818). S, D, B and G license holders in every county get a licensed agent's review, and a talk with the owner, before pricing.

Licensed in ConnecticutLicense #2668839 · NPN 7642818

Connecticut HVAC insurance questions

What HVAC license do I need in Connecticut: S-1, D-1 or B-1?
It depends on the systems you work on. S-1 is unlimited heating, piping and cooling. D-1 covers warm air, AC, refrigeration and gas appliances but not oil burners. B-1 covers gas and oil burners up to 5 gallons an hour or 500,000 BTU. Check DCP's scope list before you pick.
Does a Connecticut HVAC license require general liability insurance?
We found no GL minimum for DCP heating, piping and cooling licenses. A contractor license does require proof that you'll comply with workers' comp and unemployment insurance rules. Confirm the current requirement with DCP.
Can a Connecticut town require its own HVAC license?
No. A DCP license is valid statewide, and towns can't require more testing or a separate license. They do issue permits under the State Building Code.
Do you insure HVAC contractors in Hartford and across Connecticut?
Yes. Oil-heat, gas and cooling contractors in Hartford, New Haven, Bridgeport and every town in between are inside our Connecticut license. Our team answers each request within one business day.

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