Ductless Mini-Split Maintenance in Hudson, MA 01749

“Since having the Mitsubishi ductless system installed a few years ago, we have been very impressed with the level of professionalism of the people you have working for you. Everyone we have met or talked to on the phone have been extremely polite, helpful, and caring that we are satisfied with what we want. Your customer service is superior and in the society we are living in that is just about unheard of.” – Sue P.

Air Conditioner Maintenance in Maynard, MA 01754

“Ricky explained the new service plan and helped me choose the best one for my needs. He serviced both my gas forced-air heating system and my central AC system. A few things came up during the maintenance and he explained what needed to be done and why. He also answered a few questions for me. Ricky was knowledgeable, friendly, and very good at what he does!

I got calls to confirm the scheduled appointment and another call when the technician was on his way. I chose Chaves to replace both my furnace and central AC years ago and I've been using them for maintenance ever since. I'm very pleased with their service!”

– Caitlin B.

Gas Furnace Repair in Marlborough, MA 01752

“Will H. was just at the house troubleshooting a gas smell that turned out to be a large birds nest clogging the flu pipe, he cleaned it out and replaced the flu cap on the roof to prevent future nests. Will was very professional, knowledgeable and personable and didn't mind me looking over his shoulder and asking questions. Thank you for the quick response and great staff.”

– John M.

Gas Furnace Repair in Concord, MA 01742

“Excellent response time. Quick turnaround on the needed part. Timely and professional installation. These people understand the importance of customer service.”

– R S.

Tankless Hot Water Heater Replacement in Sudbury, MA 01776

“Just wanted to highly recommend Chaves HVAC. Before/after photos of my latest energy efficiency upgrade. (Navien OnDemand hot water). Chaves performed the work promptly and flawlessly. I'd gotten a quote in Jan, thinking about it, then weekend wind storm caused power surges that fried electronics atop the old tanks (also fried my refrigerator and garage door opener). Chaves fit me in within 24 hours of my call, and got it done without a hitch. Hot water again! (Mass Save rebate eligible too).”

– Bill S.

Boiler Maintenance in Concord, MA 01742

“Jacob Marshall and Kevin did the usual Excellent Chaves maintenance on our original Buderus. We look forward to the replacement of the air inlet pipe, Venturi, and the gaskets, seal and seal set as Jacob suggested.
Thank you for providing us with excellent, professional service.

– John and Patricia G.

Gas Furnace Repair in Sudbury, MA 01776

“Chaves responded quickly to resolve a failure of my gas furnace. Effectively diagnosed the problem and sent technician to do the repair in less than one day.”

– Robert L.

Gas Furnace Replacement in Wayland, MA 01778

“Job well done! We had a little miscommunication regarding when payment was due. I thought it was fair to pay, in full, after the inspections.

Again, job well done and I would both refer and call on you again.



– Stephen F.

Gas Furnace Installation in Hudson, MA 01749

“Good experience with sales, installation team and followup.”

– Robert D.

Gas Furnace Replacement in Hudson, MA 01749

“My entire experiece with Chaves was excellent. We had problem with fernace in on cold morning and we called. They called back in a few hours and sent someone to examine the problem, they told us how to get by exsiting problems and backup options. On second day, they sent someone to evaluate the situation in details. the technician suggested to replace this 25 years old furnace with a more efficient one. Chaves provided a quotation within one day. We decided to move forward and installed the wonderful system within a few days. We are very happy about the price/performance of our new firnace, the process of the installation, communication thru the process, and friendly services.”

– Tsai J.

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