Heating & Air Conditioning Service for Merrimack Valley, Boston, & New Hampshire

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Important: If you are without heat or air conditioning & need an emergency service, CALL, do not e-mail your request. We have professional field representatives on-call 24/7. Please call the number listed at the top of our website.

Climate Design Systems

Merrimack Valley Residential HVAC, Plumbing & Electrical Services

Experienced and polite repair technicians, up-front pricing, and a commitment to total customer satisfaction are just a few of the reasons that residents in the Merrimack Valley and surrounding areas trust their home comfort to Climate Design Systems. We are a full service HVAC contractor specializing in the repair, maintenance, and installation of residential heating and air conditioning systems.

Nobody plans on having a heating or cooling emergency, and we realize this can be a very stressful situation. Our staff of 150+ employees and over 75 service vehicles are ready to provide immediate service 24/7 and will work with you every step of the way to ensure total customer satisfaction.

  • Over 70 Years in Business
  • A+ BBB Rating
  • Fully Licensed, Bonded, & Insured
  • Available 24/7
  • No Extra Charge for Nights/Weekends
  • NATE Certified Technicians

AIR CONDITIONING

Air Conditioner Repair & Installation

Beat the heat with our affordable cooling services!

Whether you are in need of a quick A/C  repair, maintenance, or the installation of a new unit, our trained professionals have you covered!

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Schedule A/C Repair -or- Browse New Air Conditioners

HEATING

Heating Repair & Installation

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ELECTRICAL

Electrical

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DUCT CLEANING

Air Duct Cleaning

Remove dirt, dust, and debris from your ventilation system

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AIR QUALITY

Air Quality

Increase home comfort with our full line of air quality products

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Ready to get started? Our fleet of over 75 service vehicles is in your area!

Call us 24/7 for Quick and Reliable HVAC Repair Service

What Our Customers Are Saying...

Today my ventilation fan was installed by a very talented Gentleman from your company! He could not have been more a of a professional! All I can say is “well done. Thank you.

Michael

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Mary ensured I had a technician sent out immediately that was professional and could fix the issue. She was kind and sympathetic to the issue – and made me feel 100% comfortable that your company would ensure the situation was taken care of appropriately.

Karen

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I wanted to take a moment to let you know what a wonderful asset Guy is to your team. He didn’t make me feel stupid because I didn’t completely understand the technical jargon. He made sure that he showed me everything he did and helped me understand how it all worked together. This is a very special quality in a service person. I wish all service people were like him.

Linda

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I want to thank your company for being so great and easy to work with. The heat is working perfectly now. Many thanks!

David

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I am writing this note…to let you know what a great job your team did with our central AC installation. Larry is one of the hardest working, diligent, and most dedicated workers I have ever seen. I am an HR Director and interview/hire people on a daily basis and he was really one of the most dedicated and caring people I have seen in a very long time

Stephanie

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My experience was very good. The salesman and installers were great. Very helpful, knew their products and addressed my concerns. They went out of their way to accommodate me, I was in a pinch for time and they were able to help me out on short notice. My house is nice and warm now.

Jackie

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As a new client of Matz – we were very impressed with your service man, Ray on 9/24 at 10AM. He checked all items involved with it in a very thorough & professional manner.

Bob Bracken

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visit Us: 1074 Pulaski Street • Bldg. #3 • Riverhead, NY 11901
email us: Schedule Online
24/7 Emergency call 631-728-0661