Business Details
47 Years
experience
Emergency
services
Your Trusted HVAC Partner in Bridgeport, CT
Since 1979, Alliance Heating & Air Conditioning Heating and Air Conditioning has been a trusted provider of residential, commercial, and specialty HVAC solutions across Connecticut and New York. Founded as a two-man operation, we have grown into a premier mechanical contracting firm with over 60 years of combined engineering and technical expertise. Our team delivers customized heating, cooling, and indoor air quality systems, prioritizing customer satisfaction through quality installations, 24/7 emergency service, and preventive maintenance programs.Backed by industry accreditations including NATE certification and a Better Business Bureau A+ rating, we serve homeowners, businesses, and institutions with cutting-edge technologies like geothermal systems and smart climate controls. Our commitment to excellence extends to specialized environments such as wine cellars, data centers, and equestrian facilities, ensuring optimal comfort and protection for every client's unique needs.
Services
Commercial HVAC
Residential HVAC
Geothermal Heating
Air Quality Solutions
Equipment Replacement
Preventive Maintenance
Specialty Climate Control
24/7 Emergency Service
System Upgrades
Engineering Design
Details
- Year established: 1979
Highlights and features
- 40+ years of HVAC expertise since 1979
- NATE-certified technicians with 60+ years combined experience
- 24/7 emergency service available
- Specialized geothermal and smart climate solutions
- Maintained BBB A+ rating for service excellence
Associations and certifications
- Trane Comfort Specialist
- Carrier Factory Authorized Dealer
- Climate Master
- Mitsubishi Diamond Dealer (Citi-Multi)
- IGSHPA Geo Thermal Heat Pump
- NATE Certified
- Better Business Bureau
- SMACNA Compliant
- ASHRAE Compliant
- EDA Certified
What people say
Award-winning service
Expert technicians
Reliable maintenance
Quick emergency response
Custom solutions
Services
Commercial HVAC
Engineering design and installation of commercial heating and cooling systems for corporate offices, retail spaces, and government facilities. Our solutions enhance employee productivity through climate-controlled environments while reducing energy costs. Services include new construction systems, equipment retrofits, and 24/7 maintenance programs.
Residential HVAC
Custom residential heating and air conditioning systems with air filtration and humidity control. We install geothermal systems and smart thermostats to improve indoor air quality and energy efficiency. Our maintenance plans ensure year-round comfort for families with allergy sufferers or temperature-sensitive environments.
Specialty Solutions
Precision climate control for unique spaces including wine cellars, data centers, and equestrian facilities. We design systems that protect valuable collections, maintain server room temperatures, and create museum-quality environments. Our solutions combine technical expertise with tailored installation for specialized needs.
24/7 Service
Around-the-clock HVAC repair and maintenance for critical systems. Factory-trained technicians respond to emergencies with rapid diagnostics and equipment replacement. This service ensures business continuity for commercial clients and immediate comfort restoration for residential customers during system failures.
Preventive Maintenance
Scheduled maintenance programs that extend equipment lifespan and prevent breakdowns. Services include system inspections, filter replacements, and performance optimizations. Our maintenance contracts cover both residential and commercial systems with customizable service frequency and priority emergency response.
Questions
What HVAC services do you offer?
We provide commercial/residential HVAC installation, geothermal systems, air quality solutions, 24/7 emergency service, and preventive maintenance programs for Connecticut and New York clients.
Do you offer emergency HVAC service?
Yes, our NATE-certified technicians provide 24/7 emergency service with rapid response for both residential and commercial system failures.
What areas do you serve?
We service all of Connecticut plus Westchester, Putnam, Dutchess, and Suffolk counties in New York since 1979.
Are your technicians certified?
All technicians are NATE-certified with 60+ years combined experience, maintaining industry accreditations including Carrier and Trane factory certifications.
Do you handle specialty HVAC projects?
Yes, we design custom climate control systems for wine cellars, data centers, equestrian facilities, and other specialized environments requiring precise temperature/humidity regulation.
How can I schedule service?
Contact us at 203.335.9464 for emergency service or schedule appointments online for installations, maintenance, or system consultations.