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31 Years
experience
Emergency
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Trusted HVAC Installation and Repair Services in Connecticut
M.J. Emonds Mechanical Contractors has been delivering quality mechanical contracting services to residential and commercial clients for over 25 years. As a Trane Certified Comfort Specialist, we prioritize reliable HVAC installation and service across Connecticut, combining industry expertise with a commitment to exceeding customer expectations. Our team of 10 certified technicians brings decades of combined experience in heating, ventilation, and air conditioning systems. Founded in 1995 by Mike and Kerry Emonds, our company balances financial responsibility with social accountability while maintaining partnerships with leading industry organizations.

We specialize in custom solutions for homes and businesses, supported by certifications from the Refrigeration Service Engineers Society and North American Technician Excellence. Our dedication to energy-efficient systems and preventive maintenance ensures long-term performance for clients throughout New England. With licenses as a Connecticut S1 Heating, Piping & Cooling Unlimited Contractor, we uphold rigorous technical standards. Our affiliations with the CT Heating & Cooling Contractors Association and ASHRAE reinforce our position as trusted HVAC specialists in Glastonbury and beyond.
Services
Air Conditioning Heating Furnaces Boilers Radiant Heating Water Heaters
Details
  • Year established: 1995
Highlights and features
  • We offer 25+ years of HVAC expertise in Connecticut
  • Our team includes NATE-certified technicians
  • We provide 24/7 emergency service availability
  • We offer Trane financing options for HVAC upgrades
  • Our company holds Connecticut S1 Heating Contractor license
Associations and certifications
  • Trane Certified Comfort Specialist
  • Refrigeration Service Engineers Society (Universal Technician)
  • North American Technician Excellence (NATE)
Services
Air Conditioning
Our certified Trane AC contractors lower cooling costs through efficient installation and maintenance. We ensure optimal performance during Connecticut summers by properly maintaining systems to control humidity and temperature effectively. Regular checkups prevent breakdowns while maximizing energy efficiency for residential and commercial properties.
Heating
Professional heating repair and installation services for New England homes. We service heat pumps and HVAC systems with annual checkups to maintain efficiency. Our technicians handle gas, electric, and hybrid systems, ensuring reliable winter operation through preventive maintenance and emergency repairs.
Furnace Contractors
Full-service furnace maintenance, repair, and installation for Connecticut residents. We work with all brands and models, specializing in gas furnace systems that provide consistent heating. Our Trane-certified technicians ensure proper ventilation and clean air distribution through comprehensive system evaluations and upgrades.
Boiler Maintenance
Emergency and scheduled boiler services for residential and commercial clients. Our HVAC engineers handle replacement, retrofitting, and repairs for all boiler types. We maintain system efficiency through regular inspections while providing 24/7 emergency support for critical heating needs in Glastonbury and surrounding areas.
Radiant Floor Heating
Electric radiant floor heating conversions for New England homes. Our installation contractors upgrade existing systems to provide even heat distribution and energy savings. This solution integrates with existing HVAC systems while offering zoned temperature control for enhanced comfort in residential properties.
People
Michael J. Emonds
President
President and co-owner with HVAC industry experience since 1986. Holds Connecticut S1 Heating Contractor license and multiple technical certifications. Graduated from Hartford State Technical College with mechanical engineering degree and HVAC diploma.
Questions
What HVAC services do you offer for residential customers?
We provide complete HVAC solutions including air conditioning, heating systems, furnaces, boilers, radiant floor heating, and water heater services for Connecticut homes.
Are you available for emergency HVAC repairs?
Yes, our technicians are available 24/7 for emergency heating and cooling system repairs in Glastonbury and surrounding areas.
Do you offer financing options for HVAC installations?
We provide flexible financing through Trane for new heating and cooling system installations with competitive interest rates and special promotions.
What makes your company qualified for HVAC work?
We are Trane Certified Comfort Specialists with NATE-certified technicians and Connecticut S1 Heating Contractor licensing since 1995.
Do you service commercial HVAC systems?
Yes, we offer commercial HVAC installation, maintenance, and emergency repair services for businesses throughout Connecticut.
Reviews (6)
Christine Sullivan
Apr 30, 2022 Report
Our AC stopped working and with the heat we have been having we really needed it repaired. We called this morning and Tony came out this afternoon, diagnosed the issue and repaired our system. He was professional and thorough and we would definitely recommend MJ Emonds. Service: A/C system repair
Bob Pacca
Apr 14, 2022 Report
We had Emonds install our A/C system back in 2020 when we were not living at our house full time and were not present during installation. FIRST MISTAKE not only was the trunk system in the basement not installed where discussed (air handler was hanging down directly where we enter the house), but after the initial attempt at using the system, the 1st floor never got to below 80 degrees. The mini splits on the 2nd floor were not on at the time but appear to work fine albeit not in the optimum space within the rooms. after consulting with several other Mitsubishi Diamond Contractors, the installed condenser (in the wrong location as discussed) is undersized thus the current challenge. Also, the balancing of Returns and Supplies throughout the 1st floor is not installed properly with both missing additional vents. in a nutshell, I would not recommend this company for AC installation and if they are contracted, make sure someone is present at all times they are in your house
Mike Lingner
Sep 18, 2021 Report
Class act at M. J. Emonds. May be more expensive than others but their staff know their business. Last technician diagnosed our issue in 10 minutes. Top shelf employees with top shelf parts. They do it right and do it right the first time. Check them out.
Brian Ambrose
Jul 21, 2021 Report
My cooling system fell short to the recent 100 degree days. I called and spoke to office staff who informed me that they will have some out to my home. Within three hours of my call, my system was up and running perfectly cool. Awesome service and knowledgeable team of technicians. Service: Repair HVAC
Gary Perrelli
Jul 16, 2021 Report
We've been a customer of MJ Emonds for almost 25 years. They've always taken great care of our heating and A/C systems. The team is always professional and knowledgeable. I would highly recommend them to anyone looking for a new heating or A/C unit or just looking for a top notch company to service their equipment. Services: HVAC system maintenance, Heating system installation, A/C system maintenance
Benjamin Campbell
May 18, 2021 Report
A wonderful family-owned business. My family has been using MJ Emonds for years. The office staff is friendly and helpful. The service techs are efficient and reliable. I highly recommend MJ Emonds! Services: A/C system maintenance, Ductless heating & A/C services