Custom Heating & Cooling Solutions For Your Home Or Business
We strive to provide climate control / comfort in every home in Connecticut, Westchester, Dutchess & Putnam counties.
Industry-Leading Heating & Cooling Services
How Can We Help You?
Call Us At 203.335.9464 For Emergency HVAC Service
Why Choose Alliance Heating & Air Conditioning?
- Locally owned, community-rooted service–real people who live and work in Connecticut
- Fully licensed, insured, and trained technicians who get the job done right the first time
- Transparent pricing and honest recommendations—we only suggest what you actually need
- Fast, responsive support with true 24/7 emergency service when your comfort can’t wait
- Energy-smart systems: heat pumps, smart thermostats, efficient solutions tailored to your home
- Extended equipment warranties and long-term maintenance plans that protect your investment
- Respectful, in-home service: from shoe covers to clean workspaces, we treat your home like ours
Heating & Cooling Done Right for Connecticut & New York Homes
At Alliance Heating & Air Conditioning, we focus on getting your home comfortable the right way—not just getting a system to run. A lot of the homes we work in across Connecticut and New York deal with uneven temperatures, humidity issues, or systems that were never properly designed to begin with.
We take the time to understand how your home performs, then fix the problem at the source so you’re not dealing with the same issues year after year.
What We Do
We handle repairs, maintenance, and full system replacements, but most of our work is dialing in comfort for homes that aren’t simple or standard. In a lot of the houses we work in—older colonials, larger properties, additions over time—you start to see the same types of issues:
- Second floors that won’t stay cool in the summer
- Certain rooms that are always a few degrees off
- Humidity that makes the house feel damp even when the AC is running
- Systems that are technically working, but never feel consistent
- Renovations or additions that the original system can’t handle
We work on air conditioning, heating systems, ductless setups, geothermal, and indoor air quality—but more importantly, we make sure everything is working together the way it should.
Why Homeowners Call Alliance
We’ve been serving this area since 1979, and that experience shows in how we approach every job. We’re certified with Trane, Carrier, and Mitsubishi, and our technicians are NATE-certified—but more importantly, we know how to apply that knowledge in real homes.
No guesswork, no shortcuts—just systems that are sized, installed, and dialed in for long-term reliability.
- In business since 1979 with a long track record in the area
- Systems designed around your home—not one-size-fits-all installs
- Clear, honest recommendations on repair vs. replacement
- Clean, professional work with attention to detail
- Same-day and emergency service when you need it
We Proudly Serve The Following Areas
Our Service Area
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Based in Bridgeport, Serving Connecticut & Parts of New York
We’re based in Bridgeport and cover all of Connecticut, especially Fairfield County and New Haven County. We also work throughout nearby New York, including Westchester County, Putnam County, and Dutchess County.
We’re in and out of these areas every day, so we’re familiar with the types of homes and the problems that come with them.