Get matched with top air conditioning pros in Athol, MA

Endless Energy is a trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts with office in Marlborough, Needham, and Randolph. Specializing in Heat Pumps, Central AC, Furnaces, and Boilers, we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation.\n\nWe can help you with: \n*Heating Repairs, Installation, & Service\n*AC Repairs, Installation, & Service\n*Plumbing Repairs, Installation & Service\n*Water Heater Replacement & Service\n*Indoor Air Quality Solutions\n*Ductwork & Line Set Solutions\n*Electrical Panel Upgrades and Replacement\n*Insulation \n*No Cost Home Energy Assessments\n\nA Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of HVAC services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! \n

"Fast service. We did this job 6 mos ago but I held rating until after air conditioning season. Worked perfectly and the ductless system was both quiet and inexpensive to run. Couldnâ  t be happier"

Modern Energy is a top rated Mass Save contractor that specializes in Whole Home Heat Pump installation for both residential and commercial customers. \n\nWith deep roots in the energy efficiency world, we always make sure to install the most efficient, cost-effective products on the market. Plus - we have in house staff to help our customers handle the rebate and financing process!

At Endless Energy, we believe your home should be comfortable, energy-efficient, and future-ready. Proudly based in Massachusetts, we’ve served our local communities for over 40 years, delivering expert HVAC, plumbing, and electrical services that help homeowners and businesses save energy, reduce costs, and lower carbon emissions.\n\nBuilt on a foundation of quality, innovation, and transparency, we provide whole-home solutions—from replacing outdated systems to helping you fully electrify your home with the latest clean energy technology.

Gervais Plumbing Heating & Air Conditioning provides the best service in the region. Call us today, or submit the form and we will be in touch.

"Hi there! We’re Sidewinder Handyman Services, proudly serving homeowners since 2025. Whether it’s a small repair, a big upgrade, or something in between, we’re here to make your projects simple, stress-free, and affordable. Our goal is to take the hassle out of home maintenance so you can focus on enjoying your space.\n\nLet’s get your to-do list done! Reach out today for your FREE quote and see how easy it can be to love your home again."

CIRCULAIR MINI SPLITS LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Great job. I previously had several cats, and they sanitized and cleaned everything. They were patient with my old house -- and it was very hot, since my air conditioning had died!! Thank you."

"They did a good job cleaning the air du t"