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Furnace Maintenance

Furnace Maintenance in Martha’s Vineyard

Seasonal Tune-Ups for Reliable Heating Performance

The most effective time to address a furnace problem is before it becomes one, and routine maintenance is the most reliable way to make that happen. A properly maintained furnace runs more efficiently, lasts longer, costs less to operate, and is far less likely to fail when outdoor temperatures drop. 

Brennan & Co. has been providing thorough, professional furnace maintenance to local homeowners and businesses since 2003, and our tune-up services are designed to cover every component that affects your system's safety, efficiency, and longevity. Our continuously trained heating technicians work on all major brands and models, approaching every maintenance visit with the same attention to detail and respect for your property that's earned us countless glowing reviews and multiple awards. Whether you're maintaining a year-round home or preparing a seasonal property for winter occupancy, a furnace tune-up from Brennan & Co. is a straightforward investment in uninterrupted comfort and long-term peace of mind.

Explore your furnace maintenance options by calling Brennan & Co. at (508) 905-4909 or contacting us online. Free estimates are available!

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    5 Stars
    “The team at Brennan took up the challenge of a complex heat pump 4-zone Wi-Fi interface project and hit it out of the park. Great people, excellent follow-through.”
    - Coleman H.
    Excellent Job From Start To Finish
    “They arrived exactly when they said they would, worked efficiently, and delivered high-quality results. I was extremely pleased with their professionalism and the care they took throughout the entire process.”
    - John M.
    10 out of 10 Experience
    “The quality of the work and the speed of service were truly impressive. I was very pleased with the entire experience and would highly recommend their team.”
    - Thiago M.
    Excellent Job From Start To Finish
    “They arrived exactly when they said they would, worked efficiently, and delivered high-quality results. I was extremely pleased with their professionalism and the care they took throughout the entire process.”
    - John M.
    Thank You Brennan!!
    “I called Brennan's emergency line late on Friday night because my air conditioning was not working. By Saturday morning, the technician came and had it fixed. What great and reliable service!”
    - Clif F.
    10 out of 10 Experience
    “The quality of the work and the speed of service were truly impressive. I was very pleased with the entire experience and would highly recommend their team.”
    - Thiago M.
    Highly Recommend
    “Great HVAC Company on Martha’s Vineyard. Great service and superior installation. I would highly recommend them for all your HVAC needs.”
    - Christopher J.
    So Great!!!
    “They were easy to work with, and the price was competitive with the Island market. What's priceless is that they came when they said they would during installation, and when I've needed service, they arrived on the same day I called, that's an unheard of l”
    - Rich S.
    5 Stars
    “The team at Brennan took up the challenge of a complex heat pump 4-zone Wi-Fi interface project and hit it out of the park. Great people, excellent follow-through.”
    - Coleman H.
  • Experience the Brennan Difference Quality Service Delivered with Care
  • Local Service You Can Count On Proudly Serving Homes Across the Island
  • Up To $2,000 in Federal Tax Credits on Qualified Equipment

    *Terms & conditions apply.
    Call (508) 905-4909 for more details.

    Valid Jan 1, 2023 - Dec 31, 2032

A Higher Standard of Home Services

  • Experience That Keeps You Comfortable Year-Round
    With deep industry knowledge and a commitment to doing things right, we ensure your system performs at its best when you need it most.
  • Comfort Without Compromise or Disruption
    We work efficiently & respectfully, providing high-quality service with minimal interruption to your home & routine.
  • Professionalism You Can Feel at Every Step
    From first call to final walkthrough, our team delivers clear communication, dependable scheduling, and workmanship you can trust.
  • Expert Solutions Built for Coastal Living
    We design and service HVAC systems specifically for the unique demands of the island's homes

The Issues We Catch Before They Catch You Off Guard

Many of the most disruptive and costly furnace failures don't happen without warning. They develop gradually from conditions that routine maintenance is specifically designed to identify and correct. Brennan & Co.'s tune-up process is built around catching these issues early, before they compromise your comfort, your safety, or your budget.

Common furnace problems that regular maintenance helps prevent include:

  • Heat exchanger cracks. A cracked heat exchanger can allow combustion gases, including carbon monoxide, to enter your living space, making it one of the most serious safety concerns in any gas furnace. Regular inspection catches early-stage cracks before they become dangerous.
  • Ignition and pilot light failures. Dirty or worn ignition components are a leading cause of no-heat calls during cold snaps. Cleaning and testing ignition systems during routine maintenance keeps your furnace lighting reliably when you need it.
  • Burner and combustion inefficiency. Dirty or misaligned burners cause incomplete combustion, wasting fuel and driving up heating costs. Regular cleaning and adjustment restore proper combustion and help keep energy bills in check.
  • Airflow restrictions. Clogged filters, blocked vents, and buildup on blower components reduce airflow throughout your system, forcing it to work harder and shortening its operational life. Maintenance visits address these restrictions before they strain your equipment.
  • Thermostat and safety control drift. Controls that have fallen out of calibration cause erratic system behavior, such as short cycling, temperature inconsistencies, and unnecessary wear. Regular testing and recalibration keep your system responding accurately to your home's actual heating demands.
  • Accelerated component wear from coastal conditions. Salt air and humidity are hard on mechanical and electrical components alike. Routine maintenance gives our technicians the opportunity to identify corrosion, moisture intrusion, and other Island-specific wear patterns before they lead to premature failures.

Staying current with furnace maintenance is one of the simplest and most cost-effective decisions you can make, and Brennan & Co. makes it easy.

Ready to protect your heating system this winter? Call Brennan & Co. at (508) 905-4909 to request a same-day visit from our furnace maintenance team!

Discover Why Island Homeowners Trust Us

At Brennan & Co., we're always ready to take your call! Give us a call at (508) 905-4909 or fill out the form below to contact one of our team members.

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