--- title: "Heating & Air Conditioning New Haven" description: "The company says it has been in business for 10 years and lists a service area running from New Haven and Hamden to Madison, Derby and Cheshire. A 2024 cus" doc_version: "2026-10-17" last_updated: "2026-10-17" --- # Heating & Air Conditioning New Haven **Trade:** HVAC / Heating & Cooling · **Address:** 426 Whalley Ave, New Haven, CT 06511 · **Phone:** (475) 326-3820 · **Website:** https://www.newhaven-hvac.com/ · **Languages:** English **Rating: 3.9/5** (medium confidence) — from 14 reviews across 4 sources. 100% of sentiment-scored reviews read net-positive. Last 6 months: 1 reviews, 0 negative. ## The honest read The company says it has been in business for 10 years and lists a service area running from New Haven and Hamden to Madison, Derby and Cheshire. A 2024 customer said their furnace was not heating half the house; Todd arrived Monday morning, replaced some parts and was done in 2 hours. A 2023 customer said they chose Billy Carlson HVAC for a heat pump installation after getting quotes from 4 other companies, and that the installers finished the job and cleaned up afterwards. A 2022 reviewer said Billy's team installed a new boiler in their house, adding that it was not the cheapest quotation they got. A 2025 customer wrote that they called about having boiler wiring tweaked so they could install wireless thermostats, and that the worker did the thermostat install and wiring changes and confirmed everything worked. A 2025 reviewer said Billy's team came out the next day and fixed their AC in under an hour. **Strengths:** - Furnace repair — a 2024 customer said parts were replaced in 2 hours - Heat pump install — a 2023 customer said installers cleaned up afterwards - Next-day AC fix — a 2025 reviewer said the AC was fixed in under an hour **Concerns:** - Boiler quote — a 2022 reviewer said it was not the cheapest they got ## Claims & citations Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication. - The company says it has been in business for 10 years _(confidence: low)_ - [Official Website](https://www.newhaven-hvac.com) — “Self-reported 10 years in business” - The company lists a service area including New Haven, Hamden, Madison, Derby and Cheshire _(confidence: low)_ - [Official Website](https://www.newhaven-hvac.com) — “Stated service area (self-reported): New Haven, Hamden, West Haven, Branford, Guilford, Milford, East Haven, North Haven, Woodbridge, Madiso…” - A 2024 customer said Todd replaced some parts on a furnace that was not heating half the house and was done in 2 hours _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNOeWJUOG1nRRAB!2m1!1s0x0:0x1bccfd4b047da913!3m1!1s2@1:CIHM0ogKEICAgICNybT8mgE%7C%7C?hl=en-US) — “5★ Excellent experience! My furnace wasn't heating half of the house. Called on a Sunday, Billy tried to walk me through some stuff over the…” - A 2023 customer described a heat pump installation, finished with clean-up afterwards _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNSdXFlUUJnEAE!2m1!1s0x0:0x1bccfd4b047da913!3m1!1s2@1:CIHM0ogKEICAgICRuqeQBg%7C%7C?hl=en-US) — “5★ I decided on Billy Carlson HVAC for my heat pump installation after having 4 other companies out for quotes. Billy Carlson was not only t…” - A 2022 reviewer said Billy's team installed a new boiler in their house _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSURXM0lqS0RnEAE!2m1!1s0x0:0x1bccfd4b047da913!3m1!1s2@1:CIHM0ogKEICAgIDW3IjKDg%7C%7C?hl=en-US) — “5★ Billy’s team was outstanding! Installed a new boiler in my house and the work was very well done, clean, and efficient. These guys were n…” - A 2022 reviewer said the boiler quote was not the cheapest they got _(confidence: medium)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSURXM0lqS0RnEAE!2m1!1s0x0:0x1bccfd4b047da913!3m1!1s2@1:CIHM0ogKEICAgIDW3IjKDg%7C%7C?hl=en-US) — “5★ Billy’s team was outstanding! Installed a new boiler in my house and the work was very well done, clean, and efficient. These guys were n…” - A 2025 reviewer said Billy's team came out the next day and fixed their AC in under an hour _(confidence: medium)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnTUNncDZuWVRnEAE!2m1!1s0x0:0x1bccfd4b047da913!3m1!1s2@1:CIHM0ogKEICAgMCgp6nYTg%7C%7C?hl=en-US) — “5★ Billy’s team Great job!! They came out the next day and fixed my AC in under an hour!! They do an outstanding job and fixed the AC for a …” - 4.9 stars on Google from 37 ratings _(confidence: high)_ - [Google](https://www.google.com/maps/search/?api=1&query=Heating%20%26%20Air%20Conditioning%20New%20Haven&query_place_id=ChIJ6cGAwry354kRE6l9BEv9zBs) — “Google: 4.9★ from 37 ratings” - Specializes in HVAC / Heating & Cooling _(confidence: high)_ - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnTUNncDZuWVRnEAE!2m1!1s0x0:0x1bccfd4b047da913!3m1!1s2@1:CIHM0ogKEICAgMCgp6nYTg%7C%7C?hl=en-US) — “5★ Billy’s team Great job!! They came out the next day and fixed my AC in under an hour!! They do an outstanding job and fixed the AC for a …” - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNOeWJUOG1nRRAB!2m1!1s0x0:0x1bccfd4b047da913!3m1!1s2@1:CIHM0ogKEICAgICNybT8mgE%7C%7C?hl=en-US) — “5★ Excellent experience! My furnace wasn't heating half of the house. Called on a Sunday, Billy tried to walk me through some stuff over the…” - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNSdXFlUUJnEAE!2m1!1s0x0:0x1bccfd4b047da913!3m1!1s2@1:CIHM0ogKEICAgICRuqeQBg%7C%7C?hl=en-US) — “5★ I decided on Billy Carlson HVAC for my heat pump installation after having 4 other companies out for quotes. Billy Carlson was not only t…” - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSURXM0lqS0RnEAE!2m1!1s0x0:0x1bccfd4b047da913!3m1!1s2@1:CIHM0ogKEICAgIDW3IjKDg%7C%7C?hl=en-US) — “5★ Billy’s team was outstanding! Installed a new boiler in my house and the work was very well done, clean, and efficient. These guys were n…” ## License Status: **not_found** — verified against the official CT state registry, never self-reported. Re-check at the official registry: https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx ## Sources - [Official Website](https://www.newhaven-hvac.com): 10 yrs in business · Self-reported profile and service details - [Google Reviews](https://www.google.com/maps/search/?api=1&query=Heating%20%26%20Air%20Conditioning%20New%20Haven&query_place_id=ChIJ6cGAwry354kRE6l9BEv9zBs): Listed on this source - [Local News](https://www.ajhvac.net/new-haven-mo-heating-air-conditioning-contractor/): Listed on this source - [Google](https://www.google.com/maps/search/?api=1&query=Heating%20%26%20Air%20Conditioning%20New%20Haven&query_place_id=ChIJ6cGAwry354kRE6l9BEv9zBs): 4.9★ from 37 ratings ## Recent reviews - **5/5 · Google Reviews · Grover V. Pearson · 2026-07-29**: Heating & Air Conditioning New Haven did an outstanding job. - **5/5 · Google Reviews · DANE BILARDO · 2025-07-16**: Working with Heating & Air Conditioning New Haven was a pleasure. They arrived promptly, identified the issue, and immediately got our heater operating again. The technician was professional, kind, and informed. Their excellent customer service and clear prices were greatly appreciated. Without a do… - **5/5 · Google Reviews · Chief Reflects · 2025-03-24**: Cannot say enough good things about Heating & Air Conditioning New Haven. I called to inquire about having our boiler wiring tweaked so we'd be able to install wireless thermostats. We agreed on a time for the next day, he called in advance, showed up on time, did the thermo install and wiring mod… - **5/5 · Google Reviews · leonardo perez · 2025-02-21**: Billy’s team Great job!! They came out the next day and fixed my AC in under an hour!! They do an outstanding job and fixed the AC for a great price! Highly recommended. - **5/5 · Google Reviews · Michael Montefusco · 2024-01-15**: Excellent experience! My furnace wasn't heating half of the house. Called on a Sunday, Billy tried to walk me through some stuff over the phone but the problem required a visit. Todd arrived Monday morning, figured out the problem really quickly. Gave me a quick education on how boiler systems work … - **5/5 · Google Reviews · Donna Daniels · 2023-12-02**: The technician, Todd, was on time, prompt & professional. I am super happy with the service. - **5/5 · Google Reviews · Vincent Nanfito · 2023-08-15**: It's not often that you see the owner come to the job site but, Billy is just this guy. In one day Billys team came out and installed a brand-new AC unit for our office. We now have cold air blowing. If you want the best, Go with Billy Carlson Heating and air! - **5/5 · Google Reviews · Teresa Mann · 2023-06-19**: Very happy with the customer service and organization. We are looking forward to the installation of mini splits in my parents old home - **5/5 · Google Reviews · Anthony La Penna · 2023-03-31**: I decided on Billy Carlson HVAC for my heat pump installation after having 4 other companies out for quotes. Billy Carlson was not only the best value but was easy to work with and everything went seamlessly. Bill's entire team from Lisa in the office to the installers Roger and Kyrie, they were on … - **5/5 · Google Reviews · Fran · 2023-01-13**: They were fabulous! Very personable, professional, friendly and cost effective. They went beyond what most companies would do. I highly recommend them! I don’t think you’ll find better. --- Data freshness: last scanned 2026-10-14T09:25:00.210Z. Cite as: Heating & Air Conditioning New Haven — Tavlee (https://tavlee.com/contractor/heating-and-air-conditioning-new-haven-new-haven) Source: https://tavlee.com/contractor/heating-and-air-conditioning-new-haven-new-haven ## Sitemap [Full site index](https://tavlee.com/sitemap.md)