Credentials

  • Certified by Trane, Carrier, Mitsubishi & more
  • Licensed in Connecticut & New York
  • NATE & OSHA Certified Technicians

Alliance’s Accreditations & Certifications

At Alliance Heating & Air Conditioning, we know that homeowners want more than just promises—they want proof that the company they choose is qualified, experienced, and trustworthy. That’s why we’ve invested in top industry accreditations, licenses, and certifications. Each credential reflects our commitment to safety, quality, and advanced training, so you can have complete confidence in every project we complete.

Trane Comfort Specialist

As a Trane Comfort Specialist, our team meets rigorous standards of training and customer satisfaction. We’re trusted to install and service one of the industry’s most reliable HVAC brands.

Carrier Factory Authorized Dealer

We’re recognized by Carrier as a Factory Authorized Dealer, giving us exclusive access to advanced training, equipment, and warranty programs. This means you get superior installation and service backed by Carrier’s confidence.

Climate Master

Our partnership with Climate Master highlights our expertise in geothermal heating and cooling systems, ensuring high-efficiency solutions for energy-conscious homeowners.

Mitsubishi Diamond Dealer (City Multi)

As a Mitsubishi Diamond Dealer, we’re certified to install and service Mitsubishi’s cutting-edge ductless and Citi-Multi systems, delivering versatile comfort solutions for every type of home or business.

IGSHPA Geothermal Heat Pump Members

We’re proud members of the International Ground Source Heat Pump Association (IGSHPA), showing our leadership in the design and installation of geothermal systems.

NATE Certified Technicians

Our technicians are NATE (North American Technician Excellence) certified—the gold standard for HVAC training and expertise. This certification ensures you receive service from professionals with proven knowledge in heating, cooling, and ventilation.

Licensed in Connecticut & New York

  • Connecticut License Numbers: #308729, #306961, #388266
  • New York Licensed for HVAC installations and services
    Our licensing guarantees compliance with state regulations and demonstrates our accountability to both homeowners and local authorities.

OSHA 10 & 30 Safety Certified

Safety is a core value at Alliance HVAC. With OSHA 10 & 30 certifications, our team is trained to maintain the highest standards of workplace and jobsite safety.

Better Business Bureau Accredited

We maintain BBB accreditation, which reflects our ethical business practices, transparent communication, and dedication to resolving customer concerns.

SMACNA Compliant

Our work follows SMACNA (Sheet Metal and Air Conditioning Contractors’ National Association) standards for ductwork design and installation, ensuring efficiency and indoor air quality.

ASHRAE Compliant

We adhere to ASHRAE guidelines for heating, ventilation, and air conditioning performance—upholding the gold standard in system design and operation.

CHCC Member

As members of the Connecticut Heating & Cooling Contractors Association (CHCC), we stay active in the local industry and committed to raising the bar for HVAC excellence in our community.

EDA Certified

Our Energy Design Assistance (EDA) certification reflects our ability to create energy-efficient HVAC solutions that maximize comfort while reducing environmental impact.


Why These Credentials Matter to You

Every credential is more than a badge—it’s a promise that your home comfort system will be designed, installed, and maintained to the highest industry standards. When you choose Alliance HVAC, you’re choosing proven expertise, trusted manufacturers, and a team that puts safety, efficiency, and reliability first.