Furnace Repair in Onset, MA

Fast, Dependable Heating Repair in Plymouth County

Reclaim your comfort with heating and furnace repair Onset, MA from Dempsey Energy. We repair all furnace types with licensed care and clear pricing.

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What Sets Our Onset, MA Heating and Furnace Repair Apart?

How Dempsey Energy Restores Plymouth County's Comfort & Safety
  • Our licensed team restores comfort quickly with quality heating and furnace repair in Onset.
  • Avoid safety risks caused by venting issues or faulty sensors.
  • Get efficient, licensed gas furnace repair in Onset for modern systems.
  • Extend the life of your system with dependable oil furnace repair in Onset.
  • Licensed Local Repair Techs

    Full-Service Heating Repair Plymouth County

    Dempsey Energy started as a small, family-run oil company in Plymouth County has grown into a trusted name in home services. Today, we offer HVAC, plumbing, and are expanding into licensed electrical work. Even with our growth, we’ve kept to our roots: no call centers, no third-party contractors. You speak to someone on our team, and they work with you throughout the entire process.

    Our heating and furnace repair in Onset techs are licensed, certified, and ready for just about anything. We come prepared with tools, replacement parts, and diagnostic equipment to fix issues on the spot. We work with all major furnace brands and fuel types. If you’re dealing with an older system, our team knows how to navigate both oil furnace repair in Onset and gas-fired heating systems without pushing unnecessary upgrades.

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    Lasting Repairs in 3 Hassle-Free Steps

    Here's What You Can Expect from Start to Finish
  • Detailed Inspection: We assess all components, including airflow, fuel lines, ignition, and safety controls.
  • Make the Repair: We replace or repair the failed component quickly and reliably.
  • Test and Confirm: We make sure your system is running cleanly, evenly, and efficiently.
  • A person wearing blue gloves and a dark work suit uses a wrench to tighten a pipe fitting. The pipe assembly includes brass connectors and a pressure gauge. The image captures the focus on the hands and tools involved in the task.

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    Why Heating and Furnace Repair Onset is Worthwhile

    Dependable Service, Lasting Results, Reliable Warmth

    No Plymouth County homeowner wants to wake up to a freezing house, but unfortunately, many do. Often, the problem stems from issues that could’ve been handled sooner. With our heating and furnace repair in Onset, the goal is to spot problems early and fix them before they lead to bigger repairs or replacements. Burners, blower motors, and ignition modules are common culprits – and our techs know how to check them all.

    Whether it’s time for gas furnace repair in Onset or your oil system needs a tune-up or part replacement, we’ve got you covered. We carry parts for both system types and stock our trucks for same-day repairs. Maintenance plan members receive priority scheduling and 10% off labor and parts. Plan options start as low as $224.40/year for ductless systems and go up based on equipment. Each includes an annual tune-up and seasonal support that’s worth every penny. If you’d like more information or want to schedule a service, get in touch with us, and we’ll be happy to help.

    Close-up of a furnace's gas burner tubes with visible blue flames inside. The metal components are silver and gray with brass fittings, showing a clean and functional industrial design.
    Many repairs are completed the same day, and we always prioritize heating issues.
    You bet! We specialize in oil system service and carry parts needed for both basic and advanced repairs.
    We handle ignition, pilot lights, sensors, exhaust systems, and anything that affects safe operation.
    Yes. All techs are licensed and NATE-certified. We also provide upfront pricing and detailed explanations.
    We sure do 5% off for seniors, veterans, and first responders. Maintenance members get 10% off labor and parts.
    Yes. We partner with Service Finance Company, LLC to offer financing for repairs and system upgrades.