Google Rating
Based on 345 reviews
Google Rating
Based on 345 reviews

Heating and Furnace Repair in Sudbury, MA

If your vents are blowing cold air instead of warm or if your furnace is making unusual noises, you may be in need of furnace repair in Sudbury, MA. Heating systems can break down for a number of reasons, ranging from simple old age and wear and tear to issues with the pilot light or other internal components. No matter what the situation may be, the team at [company_name] knows just how chilly East Coast winters can be, and you can count on us for prompt, efficient heating repair!

If your vents are blowing cold air instead of warm or if your furnace is making unusual noises, you may be in need of furnace repair in Sudbury, MA. Heating systems can break down for a number of reasons, ranging from simple old age and wear and tear to issues with the pilot light or other internal components. No matter what the situation may be, the team at [company_name] knows just how chilly East Coast winters can be, and you can count on us for prompt, efficient heating repair!

Read our 5-star reviews on Google.

A great crew, friendly, explained every step, played with our dog and made sure she didn't get out on her own. I was surprised how many guys showed up over the course of two days for a heat pump installation, but each one introduced themselves and said what their role was. The most impressed I've ever been by any home improvement project crew. Hunter, Joe, Chris...all were superb! Endless Energy are the only people I'd ever call.
Gavin was here to do our mini splits cleaning. He was exceptionally professional, thorough, and careful in his work. We also discussed other home heating issues (e.g boiler maintenance). He was knowledgeable and clear in his explanations. We are confident in his expertise and find him to be genuine and passionate about his work. We can’t recommend Gavin and Endless Energy highly enough since we are very satisfied customers!
James and installation team were knowledgeable, skilled, and courteous. Excellent experience using Endless Energy for heat pump estimate and istallation.
My wife and I decided to replace our failing natural gas furnace and central air conditioner with a new furnace and whole house heat pump. Mike and his team from Endless Energy did the complete installation for us. As the project moved along Mike was easy to work with and kept us updated and answered all of our questions. They took care of everything we requested and Mike even went out of his way to modify our attached whole house humidifier, which was not working, so that it will now work correctly.
After completion the team verified that everything was working perfectly and explained how the heat pump and furnace operated and how to control everything using the smart thermostats.
We are very pleased with our new heat pump and furnace.
Endless Energy (EE) installed my full home heat pump and mini split system several years ago. From the sales through the installation, the entire team was fantastic.

Over the years, they've continued to maintain, assist with preventative maintenance (PM) and even addressed some concerns as they have arisen.

Recently, I was experiencing an annoying noise coming from one of my mini splits. I submitted an online service request and they called back the next morning. One of their service technicians, Don Davis, arrived at my home to address my concerns. He's been to my home before for PM and is great. Extremely knowledgeable of my system, professional and just a great guy. He was able to address one of the "noises" but needed a part to resolve the full issue.

EE and Sean Connolly were great about taking care of my concerns and all is well again. These systems are pretty complex, and Endless Energy really does a great job from top to bottom with delivering on their products and services.
I haven't had the service yet, however we had Gavin Periera come by to estimate and it was far and away more professional and knowledgeable than three of their competitors that tried to estimate without the correct supplies.
I had a delightful experience with this company.They have amazing self booking service. They are also very easy to work with and very responsive and respectful.
Our water heater was leaking and with no knowledge about HVAC, I called Endless energy to come out and take a look. I thought for sure I would have to wait a day or two and just do water clean up every so often. Endless Energy responded immediately and sent out a technician within a few hours. Don came out and I couldn’t help but stand in the basement like one of those customers watching while he worked. He was extremely kind and patient as he answered all of my questions and concerns. He was very knowledgeable with years of experience and explained every step he was doing along with certain things I should keep an eye on with our system! I would recommend Endless Energy especially those that walk into their basement and see water leaking and have absolutely no clue what they’re looking at! They will walk and talk you through every step and leave you feeling comfortable and assured of the job they did. And as I did, you will feel more knowledgeable about your system!
They did an amazing job installing our water heater.We got to meet this very polite man name Don. He worked great around our schedule.
March 2025:
I had Gavin and Adán diagnose a bad fan in one of my LG floor units. They also installed surge protection in my two outdoor units. There were very professional and friendly. Thanks!

December 2022:
We had two air source heat pumps installed by Endless Energy. The two installers, Matt and Zack were very professional, proficient, and had great attitudes. They made the installation process worry free.
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Heating and Furnace Repair in Sudbury, MA

How Do I Know If I Should Schedule Furnace Repair in Sudbury?

If your furnace needs repair, you’ll most likely notice a difference in operation and overall efficiency. Some other telltale signs of a malfunctioning furnace or heater include a complete lack of heat when the system is running, heavy dust build up on your HVAC system vents, and frequent cycling.

Your thermostat may also give inaccurate readings or struggle to keep up with outside temperatures. While it can be frustrating when your heating system suddenly stops working, the good news is that the team at [company_name] knows exactly what to do to get your system up and running again.

If you notice any of these common heating system issues, call us:
  • Lack of heat/vents blow cold air
  • Furnace won’t start
  • Overly dry indoor air
  • Loud noises coming from vents

Did you know that clogged or dirty air filters can cause a host of heating system issues, including slow operation and poor indoor air quality? While the air filter may seem like a minor component in your heating system, it’s actually essential for efficient operation.

When air filters become overly clogged with dust and debris, your heating system needs to work harder to effectively heat your home. This can lead to dust in your circulating air, frequent cycling and damage to your furnace. Plus, if your furnace has to work extra hard to keep up, your energy costs can increase.

Your Expert Heating Repair Team

From quick furnace tune-ups to complete boiler and heat pump replacements, there’s no job the team [company_name] can’t handle. We strive to provide quality services at affordable prices, and we’re committed to energy-efficient solutions.

As local New Englanders ourselves, our team understands the importance of having a properly-functioning heating system. Our business is open 7 days a week, and you can count on our technicians to arrive to your location promptly and get right to work on repairing your heating system.

Our main objective is to ensure our customers are safe and comfortable, and our technicians will do whatever is necessary to get your heat pump, furnace or boiler up and running again.

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