At Chaves Heating and Air Conditioning, we have specialized in air comfort and quality for more than 39 years.

Rely on Chaves to help keep your heating and cooling system running smoothly with a Preventative Maintenance Plan. Whether it’s a weekend, holiday or anytime in between, Chaves has you covered – twenty four hours a day, seven days a week. Enroll today and avoid the inconvenience and high cost of last minute repairs. Please call us today at (978) 562-5309 for more information.

Chaves Preventative Maintenance Plan

Chaves Duct SealingOur Promise to You

  • Inspect the whole duct system, including the attic, crawlspace, garage and basement as needed.
  • Evaluate the system’s supply and return air balance.
  • Repair damaged and disconnected ducts and straighten out flexible ducts that are tangled or crushed.
  • Seal all leaks and connections with mastic tape.
  • Seal all registers and grills tightly to the ducts.
  • Include a new filter as part of any duct system improvement.
  • Evaluate air flow after repairs are completed.


We offer a vast variety of filters and humidifier pads to carbon monoxide detectors and other small parts you may find useful in maintaining your system. Our office hours are Monday through Friday 8:00 am to 4:30 pm. Filters can be picked up during these hours or mailed directly to your home.


Call us at 877-7-CHAVES or 978-562-5309.
Use the button below to contact us online today.

Chaves Heating & Air Conditioning provides heating, cooling, indoor air quality, commercial, and HVAC maintenance services to residents in Acton, Bolton, Clinton, Concord, Framingham, Lancaster, Leominster, Shrewsbury, Upton, Worcester, and other surrounding Massachusetts communities. Visit our service area page to learn more about how we can service you and to view the other communities in our core service area. Contact us today at 877-7-CHAVES or schedule service online.

Leave a Review for Chaves Heating & Air Conditioning

Need Service? We Service All Brands.

Click Here To View Our Brand Selection

Angie's List Super Service Award Winner 2016

Winners Since 2009!

877-7-CHAVES 877-7-CHAVES

Or Call Us At 978-562-5309