HVAC reviews in Marlborough, Massachusetts

Update to my original review:

I had an initial repair performed on January 17, and at the time the furnace appeared to be functioning properly.

The furnace began operating inconsistently again in early February. I called the company on February 12 to schedule a follow-up appointment.

On the evening of February 15 — the night before the scheduled visit — the furnace was still running, although it was taking a long time to start producing heat.

A different technician arrived around 10:00 AM on February 16. After approximately two hours of work, around 12:00 PM, he informed me that the furnace had been tampered with and claimed that the manual gas valve had been shut off. He refused to continue service and implied that someone else had worked on the system without their knowledge.

He then left without completing the repair and did not collect any payment for the visit.

The accusation is concerning and does not align with the timeline. The furnace was producing heat the night before, and we did not have anyone else work on the unit.

I requested time-stamped photo documentation showing when the technician began work and when the alleged issue was discovered. The company refused to provide this documentation, stating it was “for internal purposes only.”

I am disappointed by this experience.

(Original: Eydin did an excellent job repairing our furnace. He is very knowledgeable about heating systems and was extremely accommodating, even working outside of regular hours to make sure we had heat as quickly as possible during the cold weather. Highly professional and reliable—would definitely recommend.)

We had an excellent experience with Endless Energy, thanks to technicians Rob and Brendan. They came to our home to do both duct cleaning and duct sealing, and we were honestly shocked by the amount of buildup they showed us in the ducts from the previous owners. We are so grateful to have all of that removed.

They later returned to complete the duct sealing, and the results were nothing short of amazing. Our system’s capacity improved from 65% to 95%—an astronomical improvement that we could never have imagined.

From start to finish, our experience with Endless Energy has been nothing but positive. This is a company that truly cares about the homes they work in and the people who live in them. We recommend them without hesitation. If you’re looking for any HVAC work, give them a call!

My experience with Endless Energy was outstanding! The initial visit is to discuss the conversion from natural gas to electric heat pump technology.

During the audit, I mentioned an issue with my existing heating system. Without asking, they diagnosed the problem and fixed it w/o charge. Amazing!

I'm currently reviewing a complete energy audit and a proposal that was personally delivered to my home and reviewed, with all questions answered!!! A special shoutout to Mike Heil, who prepared and presented the audit and quote.

Even the CEO gave me a follow-up call, thanking me and asking me to answer any questions!

A great company built with great people!!

Garrett came to service our heat pump that wasn't working. He quickly and efficiently diagnosed that the breaker was not giving off any power to the system. He was extremely thorough, professional, knowledgeable and one of the most pleasant people I have ever had service my home. Saying we are satisfied would be an understatement. Garrett is excellent at his job!

Garrett did an excellent job servicing our heat pump. He was extremely knowledgeable and took the time to explain everything clearly, making sure I understood what was going on and what to expect moving forward. His professionalism and attention to detail really stood out. It’s refreshing to work with someone who not only knows their craft but is also great at communicating it. Highly recommend Garrett for anyone needing HVAC service.

Not sensitive to people at all & works with the public

Great burger. Great beverages, cool company.

Miscommunication and lack of respect. Letting someone go for asking a question is crazy

Company definitely needs to be Trama informed. Staff need better training!

ABS knows temperature controls. They are thorough, efficient and provide excellent customer service.

Would recommend Tim to anyone! Extremely professional and very knowledgeable. He resolved my heating issues immediately.

Tim and Patrick replaced multiple corroding parts on my boiler system and charged a fair price. Their friendly and professional demeanor put me at ease. Their work was excellent. My system is running smoothly again. Give them a call. You won’t be disappointed.

Seriously the most professional, reliable home service companies I have ever done business with. When booking, they were very responsive - I immediately received a text when I got off the phone for the appointment. Tim was early, he was very kind and very thorough! He answered all of my questions and walked me through what needed to be done and why. My heat wasn’t working due to a previous service provider’s mistake (different business - very rookie mistake). He identified the problem immediately and was very honest without showing any disrespect to whatever company previously worked on the system. That to me was a huge show of good character. He had the problem fixed within 30 minutes and then patiently answered all of my hvac questions. I immediately booked him for a project for my business. I am not one to go out of my way to leave reviews, but I was very impressed.

Excellent furnace installer. Replaced our old leaky furnace with a new amazing quiet and efficient system. The friendly professional staff provides honest advice and offers great pricing.

Absolutely love working with Tim. He is extremely reliable and friendly with honest up front costs. I try to use him for anything he is able to do work in and call him every season for work.
Highly recommend!!

The besr option for all HVAC needs.

prompt, fast and efficient service. Thank you

Great experience with Elite Comfort Dynamics! Tim was very knowledgeable, had great communication, efficient with his work and got the job done in a timely fashion. Would highly recommend!

We needed an HVAC company for annual maintenance on our mini splits and found Tim from Elite Comfort Dynamics and we are so glad we did! He explained everything in a way that was easy to understand and didn’t feel overwhelming. We were also having an issue with our system, and he got us scheduled for the following week, which we really appreciated. Tim and his brother were quick, professional, and super clean, and I loved that they wore booties in the house too. It’s always nice to support a family-owned business, and we’ll definitely be reaching out to Tim again for any future HVAC needs!

Tim was excellent and was always available to answer my calls. They did a great job and I highly recommend them. Will definitely use them again.

Wow! Tim is fantastic. Quick response, and he was able diagnose my AC problem quickly.