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Allseason HVAC

HVAC Pros · 4785 Commerce Dr, New Haven, CT 06513

4.7 (136 reviews) · 9 years in business
  • Licensed & Insured
  • BBB Accredited
  • License #CT-660902

Call now: (265) 384-4916

About Allseason HVAC

Founded in 2017, Allseason HVAC has built a reputation in New Haven, CT as a straight-shooting locally-owned hvac contractor that doesn't push system replacements when a repair will do. The team is unusually rigorous about indoor air quality and ventilation work in addition to core heating and cooling, and is one of the few local shops that will quote both a repair and a replacement option on the same visit so homeowners can make an informed call. NATE-certified, state-licensed, EPA refrigerant-handling certified, and proudly insured.

Allseason HVAC serves homeowners across New Haven, CT and surrounding ZIP codes including 06510, 06511, 06513, 06515, 06519. Pricing is up-front and quoted in writing before any work begins, with no obligation if the estimate isn't right for your project.

Services offered

  • Central AC install & repair
  • Ductless mini-split install
  • Furnace install & repair
  • Spring & fall tune-ups
  • Smart thermostat install
  • Manufacturer warranty work

Service area

Allseason HVAC covers New Haven and the surrounding metro, typically responding to addresses within 25–35 miles of 06513. Same-day appointments are commonly available for non-emergency requests booked before noon, and 24/7 emergency dispatch is offered for active leaks, electrical hazards, no-heat/no-cool calls, and lockouts when applicable.

Licensing & insurance

FixNearMe verifies that Allseason HVAC holds an active CT contractor license (#CT-660902) and carries general liability insurance covering work at residential properties. We re-verify licensing annually and remove any pro whose status lapses or whose review pattern deteriorates.

How to request a quote

Use the free quote form on this page to send your job details directly to Allseason HVAC and up to two other nearby hvac pros in New Haven. You'll receive up-front written quotes — usually within an hour during business hours — so you can compare apples to apples before booking.

Recent customer reviews

★★★★★
Got us booked the same day and finished the job in a single visit. Cleaned up everything before they left — couldn't even tell they'd been here.
— Mark T., New Haven
★★★★★
Used them twice now. Always punctual, polite, and the work has held up perfectly. Saving them in my phone for next time.
— Priya S., New Haven
★★★★★
Came out for a second opinion after another company tried to upsell us into a $9,000 job. Turned out to be a $400 fix. Fair, knowledgeable, and respectful.
— Megan L., New Haven

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