
30+ Years of Local Expertise—Your Home is in Trusted Hands
HVAC Services in Chelmsford
Your Trusted HVAC Experts in Bedford, Concord, Westford & Surrounding Areas
A comfortable home starts with a reliable heating and cooling system. At DiBacco Plumbing, Heating and Cooling, we help homeowners stay warm in the winter and cool in the summer with expert HVAC solutions. Whether you need a new installation, seasonal maintenance, or a fast repair, our experienced team is ready to help. With over 40 years of hands-on expertise, we take the time to assess your system, offer honest recommendations, and make sure your HVAC works efficiently when you need it most.
Call (978) 961-4865 or contact us today to schedule your HVAC service in Chelmsford and beyond! We're available for same-day appointments and offer free estimates on all services.


Complete HVAC Services for Your Home
Heating or cooling issues can throw off your entire day—so we make it easy to get your system back on track. Our licensed and insured technicians provide expert installations, repairs, and upgrades for all major HVAC systems.
Here’s a look at what we provide:
- Heating - Stay warm during the coldest months with our expert heater installation, repair, and maintenance services. From furnaces to advanced heating systems, we’ve got you covered.
- Air conditioning - Beat the summer heat with energy-efficient air conditioning solutions. We install, maintain, and repair central AC systems to keep your home cool and comfortable.
- Boilers - Need boiler repairs or a new installation? Our technicians specialize in making sure your boiler operates safely and efficiently year-round.
- Ductless mini-split systems - Perfect for homes without ductwork, these systems offer a versatile way to heat and cool specific areas of your home. We specialize in installing, repairing, and maintaining these innovative units.
- Heat pumps - Experience eco-friendly heating and cooling with our heat pump installation and services. These systems are energy-efficient and ideal for all seasons.
- HVAC repairs - When your HVAC system isn’t functioning properly, we provide fast and reliable repairs to restore your comfort.
No matter the service, our team delivers personalized solutions to meet your unique requirements while maximizing system efficiency. We care about our customers, and it shows in the quality of our work.

With the expertise to tackle any plumbing, HVAC, or electrical job and the dedication of a family-owned business, we provide high-quality service with a personal touch. Learn more about story and commitment to excellence!


Our Reviews
Hear From Your Friends & Neighbors
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“Excellent service! They were very patient and very helpful in working with getting my condominium association to approve it.. They completed the project promptly on the date promised. I trust them and will be delighted to do business with them again.”- George B.
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“These guys are exceptional at what they do. They fixed my water fixtures promptly. They are the hardest blue collar workers I’ve seen. Their motto is hard work, honesty, and transparency. Great prices, efficient, and passion is their motto.”- Noah M.
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“I always know I am going to get an honest assessment, a quick and expert solution and a fair price done with smile and great conversation. Thank you so much!”- Michele L.
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“Couldn’t recommend them enough. We are so happy to go into our first winter in our home confident in our heat!”- Abigail H.
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“DiBacco Plumbing is a fantastic company to deal with! Very reasonable pricing, clean and reliable, no long waits to get your project done. Do yourself a favor, contact DiBacco for all of your plumbing, heating and cooling needs.”- Dean A.
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“They came in and took care of the whole removal and installation in a day. The whole process was well managed, with the personal touch that you get from a family run business.. I would not hesitate to recommend DiBacco Plumbing to anybody!”- M. A.
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“I felt they were very honest and was comfortable with them being in my home when I couldn’t be there... I will definitely see them again in the future! Great guys, great work! Thank you!”- LouAnne D.
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“DiBacco Plumbing and Heating installed high efficiency heat pump units to my home. His team were very professional and neat/clean. I was very satisfied with their work. I would highly recommend to anyone! Thanks”- Mike P.
Affordable Comfort with Financing & Payment Plans
We know that HVAC repairs and replacements aren’t always planned, and the cost can be a concern. If you’re worried about calling for service because you don’t have the money upfront, don’t stress—we’re here to help. You shouldn’t have to put off necessary work just because of budget concerns. Whether it’s a new furnace, an AC replacement, or an urgent repair, we offer financing and payment plans to make getting the service you need easier.
Our goal is to keep your home comfortable without financial strain. We’ll work with you to find a solution that fits your budget so you can confidently move forward. Investing in your home’s heating and cooling shouldn’t be a burden, and we’re committed to making the process as stress-free as possible. Reach out to learn more about our financing options and how we can help.
Call (978) 961-4865 or complete our online form to learn more about our HVAC services in Chelmsford and surrounding areas or to schedule your appointment!
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We make it easy for you to have confidence in the team you call.
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We make it easy to get started with a completely free quote.
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We back our services with a warranty for your peace of mind.
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Our financing options support you however you'd like to pay.
