HVAC Services in Aquinnah, MA

Reliable Heating & Cooling for Homes in Aquinnah and Up-Island

At the western edge of Martha’s Vineyard, Aquinnah is known for its natural beauty, quiet pace of life, and iconic clay cliffs. It’s also home to some of the Island’s most unique residences—properties that require smart, dependable HVAC systems built to handle coastal conditions, seasonal living, and energy efficiency.

Brennan & Co. is proud to provide trusted HVAC services to Aquinnah homeowners. Based right here on the Island, we understand what it takes to keep your home comfortable through every season—without compromising on performance or aesthetics.

Request a Free Estimate

Your Local HVAC Experts, Just Down-Island

We’re not an off-Island company making quick visits—we’re a locally based team in Edgartown, proudly serving Aquinnah and other up-Island communities with responsive, high-quality service. Whether you’re managing a vacation home, building a new retreat, or upgrading an aging system, our technicians bring local insight and technical expertise to every project. Heating & Cooling Services in Aquinnah:

HVAC Installation

We design and install high-efficiency heating and cooling systems customized to your home—whether you’re building new or replacing an outdated setup.

View Service

Heat Pump Systems

Our air-source heat pumps and ductless mini splits provide reliable, energy-saving comfort throughout the year.

View Service

Furnace & AC Repairs

If your system is underperforming or has stopped working, our fast diagnostics and expert repairs will restore your comfort quickly.

View Service

HVAC Maintenance Plans

Stay ahead of breakdowns and extend the life of your equipment with proactive seasonal maintenance and service plans.

View Service

Indoor Air Quality & Humidity Control

We install whole-home humidifiers, dehumidifiers, and air purification systems that improve comfort and air quality—especially important in oceanfront environments.

View Service

Why Aquinnah Homeowners Trust Brennan & Co.

From heat pump installations to system upgrades and seasonal maintenance, Brennan & Co. is here to keep your Aquinnah home comfortable, efficient, and protected. Let us help you enjoy Island living—no matter the season. What makes us different:

Locally Based

We live and work on the Island—no ferries, no guesswork, no mainland delays.

Award-Winning Service

Voted Best HVAC Company on Martha’s Vineyard since 2019.

Tailored System Design

We build solutions to match your home’s size, style, and usage patterns—not cookie-cutter installs.

Clean, Respectful Workmanship

We show up on time, work efficiently, and always leave your space as we found it.

Up-Island Friendly

Whether you’re near the cliffs or nestled deeper in the woods, we’re familiar with the terrain, the homes, and the expectations.

Schedule HVAC Service in Aquinnah Today

From heat pump installations to system upgrades and seasonal maintenance, Brennan & Co. is here to keep your Aquinnah home comfortable, efficient, and protected. Let us help you enjoy Island living—no matter the season.

Get in Touch for an Estimate