Martha's Vineyard's Premier HVAC Professionals
Solutions Tailored to Your Home,
Your Schedule, and Your Standards

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Voted Best on the Island 7 Years Running

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

Our Services

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Experience the Brennan Difference Quality Service Delivered with Care
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Local Service You Can Count On Proudly Serving Homes Across the Island
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Up To $2,000 in Federal Tax Credits on Qualified Equipment
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Call (508) 905-4909 for more details.
Valid Jan 1, 2023 - Dec 31, 2032
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Martha’s Vineyard HVAC Services

Name: Brennan & Co.
Address: 148 Katama Rd,, Edgartown, MA, 02539
Telephone: (508) 905-4909

Keeping Customers All Over the Island Comfortable Year-Round

Island living comes with its own set of demands: salt air that wears on equipment, humidity that never quite lets up, and homes that sit empty for months only to need perfect comfort the moment you walk through the door. Brennan & Co. was built for exactly this. Based right here on the Vineyard and trusted by local homeowners and businesses alike since 2003, we deliver high-end, energy-efficient heating, cooling, and air quality solutions tailored to the unique realities of Island life. From quiet coastal cottages to sprawling seasonal estates, we understand what Martha's Vineyard properties need, and we have the skills, equipment, and local knowledge to provide it.

Voted Best HVAC Company by Martha's Vineyard Magazine readers year after year, Brennan & Co. brings award-winning expertise and a neighbor's accountability to every job. We serve all six towns on Martha's Vineyard, as well as Chappaquiddick, and we're on the Island year-round, so there are no ferry delays and no waiting on off-Island contractors. Whether you need a same-day appointment or 24/7 emergency support, our team is ready to respond.

Ready to experience the Brennan & Co. difference? Call us at (508) 905-4909 or contact us online to request your free estimate today!

Island Expertise That Goes Beyond the Thermostat

No two properties on Martha's Vineyard are alike, and no two HVAC systems should be, either. That's why we take the time to understand your property's layout, how you use your space, and what your comfort goals are before we ever make a recommendation. Our technicians are continuously trained on the latest advancements in HVAC technology, and they know how to apply that knowledge to everything from a historic Vineyard Haven home to a modern multi-zone estate in Chilmark. We work with premium systems from trusted manufacturers like Daikin, optimizing every installation for long-term comfort and efficiency.

We also know that Island ownership often comes with a layer of complexity that mainland contractors simply don't account for. Salt air accelerates equipment wear. Off-season occupancy means systems that need to perform reliably without constant oversight. We design and maintain HVAC solutions with all of this in mind, helping you protect your investment, reduce energy costs, and stay comfortable no matter the season. And for homeowners looking to maximize savings, we can help you explore rebates and efficiency incentives through the Mass Save program and other applicable offerings.

Professional, Discreet, and Done Right the First Time

At Brennan & Co., professionalism isn't just about technical skill; it's about how we treat you and your property every step of the way. From the first phone call to the final walkthrough, we strive to make every experience smooth, straightforward, and stress-free. Our technicians show up on time, work cleanly and efficiently, and never take photographs on your property. We understand that many of our customers value their privacy, and we handle every job and every client relationship with complete discretion and confidentiality.

We're also fully insured and stand behind our work with reliable warranties, giving you confidence in every system we install or service. Whether you're dealing with an unexpected breakdown or planning a full system upgrade, you'll always know where you stand with Brennan & Co. That's the kind of trust that's taken us from our founding in 2003 to becoming Martha's Vineyard's most recognized name in HVAC, and it's what keeps our neighbors coming back year after year.

Don't leave your comfort to chance. Call Brennan & Co. at (508) 905-4909 to request a same-day or emergency appointment!

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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.

Discover Why Island Homeowners Trust Us

Start With A Free Estimate Today

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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