At Duke Mechanical, with over 35 years of combined experience, our team installs, repairs, and maintains heating and cooling systems throughout Massachusetts, with fast response times and a warranty on every job.
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Upgrading to a new heating or cooling system pays off fast: better indoor air quality, lower energy bills, and no more unexpected breakdowns. We install new systems and replace outdated, inefficient, or damaged equipment throughout Massachusetts — with a free estimate before any work begins.
Drafts, strange noises, foul odors — if your system is acting up, don't wait. Our technicians diagnose and repair dead motors and blowers, clogged ducts and filters, overheating or freezing units, thermostat issues, and pilot light problems, with 24/7 emergency service for residential and commercial systems
Furnace, boiler, or heat pump — we install, repair, and maintain every type of heating system to keep your family comfortable through the Massachusetts winter, lower your monthly energy bills, and improve your indoor air quality.
We design, fabricate, and install ductwork built to fit your property, installed right the first time and distributing hot and cold air evenly to every room — ideal for new construction and full system upgrades.
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Duke Mechanical is a family-run business based in Sturbridge, MA, dedicated to delivering professional-grade heating and cooling services with modern tools and a full commitment to customer satisfaction. From emergency repairs to complete installations, every job is backed by a warranty — and we work directly with manufacturers so the warranty process stays simple and transparent.
Our approach combines technical expertise, modern technology, and attentive service, so every visit results in a real fix — not a temporary patch.
We diagnose accurately before recommending any repair or replacement, avoiding unnecessary costs and ensuring results that last.
All of our work is covered by a one-year warranty, and we work directly with manufacturers so any warranty claim is fast and hassle-free.
Before any repair or installation, we give you a clear, free estimate. No hidden fees, no pressure — you decide with the full picture in hand.
Tell us about your heating or cooling issue by phone or online form.
Our technician arrives, inspects the system, and identifies the root cause.
We complete the work using modern equipment and quality parts.
We confirm everything is working properly and back the job with a one-year warranty.
Yes, we provide 24/7 emergency heating and cooling service throughout our coverage area.
We prioritize emergencies and do our best to respond the same day. For scheduled service, we'll coordinate a visit around your availability.
Tell us what's happening with your system when you call or message us, and we'll guide you before the visit. If you're not sure, our initial inspection will pinpoint the issue.
Yes, all of our work carries a one-year warranty, and we coordinate directly with manufacturers whenever equipment warranties apply.
No, estimates are always free.
