About Us
Our Story

About us
Your Trusted HVAC Provider
At DIONAIR Heating & Cooling, we specialize in providing top-notch HVAC/R installation sales and service at prices that won't break the bank. Our team of experienced technicians is dedicated to delivering high-quality workmanship to ensure your complete satisfaction.
Whether you need a new heating or cooling system installed or require maintenance and repair services for your existing equipment, we have you covered. We take pride in offering reliable solutions that keep your home or business comfortable year-round.
Don't compromise on the quality of your HVAC/R system. Trust DIONAIR Heating & Cooling for professional installation and service at reasonable prices. Contact us today to schedule an appointment and experience the difference for yourself.
The Founder- Joe Dion
15+ Years Experience
During the early stages of Joe’s HVAC/R career, he worked with his father on many jobs, where he learned the inner workings of the trade. From there, he furthered his education by taking a variety of courses, earning him multiple certifications in the field and furthering his qualifications!
After years of working for various other HVAC/R companies in the Southern New Hampshire area, Joe decided to start his own business, “DIONAIR”, because he felt that the services being provided could be done at the same high-quality and professional level for an honest “best bang for your buck” price.
To this day, Joe continues to help his friends and family when they need it, whether it be for HVAC maintenance or repairs, minor plumbing problems, or just moving an appliance! He believes in strong family values and is always there for those closest to him!
Committed to Quality, Built on Integrity
At DIONAIR Heating & Cooling, we believe that trust, honesty, and superior service are the foundation of everything we do. As a family-owned business, we take pride in treating our customers like family—offering reliable HVAC solutions with fair pricing and transparent communication.
From the very beginning, Joe Dion’s vision has been to provide top-tier workmanship without unnecessary costs or upsells. Our team is committed to delivering expert heating, cooling, and refrigeration services that prioritize both efficiency and longevity. Whether it’s a routine service call or a full HVAC system upgrade, we approach every job with dedication and integrity.
We know that comfort is more than just temperature control—it’s peace of mind. That’s why we stand behind our work, ensuring that every customer receives quality service, honest advice, and lasting solutions. At DIONAIR, your comfort is always our priority.