Brennan & Co.

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Brennan & Co. Brennan & Co. - Your island resource for all your HVAC needs. Brennan & Co. Emergency Service offered to established customers. Call us today!

Serving all towns of the island of Martha’s Vineyard: Edgartown, Chappaquiddick, Vineyard Haven, Oak Bluffs, West Tisbury, Chilmark, Menemsha & Aquinnah. At Brennan & Co., our expert technicians have the best training and access to the latest equipment to handle all your HVAC needs. We offer Installation & Service of Residential and Light Commercial High Efficiency Heating, Air Conditioning, Heat Pumps, Mini Split Systems & Ventilation. has a wide range of quality products available in addition to Annual HVAC maintenance plans that take the guesswork out of keeping your system running smoothly.

24 Hr. Don't let your home or business be uncomfortable one second longer than it needs to be.

If your cooling bill suddenly increases without a clear reason, your air conditioner may be working harder than it shoul...
09/11/2026

If your cooling bill suddenly increases without a clear reason, your air conditioner may be working harder than it should.

Dirty coils, restricted airflow, improper refrigerant levels, and electrical issues can reduce efficiency and increase energy use.

Seasonal AC maintenance helps identify these concerns early, improve system performance, and support more consistent indoor comfort.

A professional tune-up can also help you avoid unexpected problems when you need your AC most.

Contact us or visit our website at http://www.brennancomv.com/

Professional seasonal service can help identify potential issues, improve system performance, and reduce unnecessary str...
09/09/2026

Professional seasonal service can help identify potential issues, improve system performance, and reduce unnecessary strain on your equipment.

From cleaning condenser coils and inspecting filters to checking refrigerant levels, calibrating thermostats, and assessing airflow, Brennan & Co. provides thorough AC tune-ups designed to help your system stay reliable and efficient when you need it most.

Schedule your seasonal maintenance and stay ahead of unexpected cooling problems.

Contact us or visit our website at http://www.brennancomv.com/

A properly designed dehumidification system can help manage moisture and create a more balanced indoor environment. Bren...
09/04/2026

A properly designed dehumidification system can help manage moisture and create a more balanced indoor environment.

Brennan & Co. stays current with the latest indoor air quality technology and can recommend solutions that integrate with your existing HVAC system.

Take a proactive approach to humidity control and enjoy a more comfortable home throughout the year.

Contact us or visit our website at http://www.brennancomv.com/

These are all reasons to consider professional service. Paying attention to changes in your system’s performance can hel...
09/02/2026

These are all reasons to consider professional service.

Paying attention to changes in your system’s performance can help you recognize problems before they become more serious.

Brennan & Co. provides reliable AC repair throughout Martha’s Vineyard.

Contact us or visit our website at http://www.brennancomv.com/

Professional dehumidifier services help reduce dampness, improve airflow, and support a cleaner, healthier indoor enviro...
08/28/2026

Professional dehumidifier services help reduce dampness, improve airflow, and support a cleaner, healthier indoor environment for your family.

With regular maintenance, your system can perform more efficiently and reliably.

Schedule your appointment today and enjoy greater comfort year-round.

Contact us or visit our website at http://www.brennancomv.com/

Regular HVAC maintenance helps your heating and cooling system provide consistent temperatures, cleaner airflow, and dep...
08/24/2026

Regular HVAC maintenance helps your heating and cooling system provide consistent temperatures, cleaner airflow, and dependable performance throughout the year.

Routine tune-ups can also improve energy efficiency, extend the life of your equipment, and help prevent costly repairs before they happen.

Schedule your HVAC maintenance today and enjoy reliable, worry-free comfort in every season.

Contact us or visit our website at http://www.brennancomv.com/

Ignoring the warning signs can lead to reduced efficiency, higher energy bills, and more extensive repairs over time. Br...
08/21/2026

Ignoring the warning signs can lead to reduced efficiency, higher energy bills, and more extensive repairs over time.

Brennan & Co. provides expert AC repair services throughout Martha's Vineyard, using advanced diagnostics to identify the source of the problem and restore reliable cooling as quickly as possible.

Contact us today at http://www.brennancomv.com/ to schedule your AC repair and get your home comfortable again.

By controlling excess indoor moisture, it helps reduce the risk of mold growth, protects hardwood floors, cabinetry, and...
08/17/2026

By controlling excess indoor moisture, it helps reduce the risk of mold growth, protects hardwood floors, cabinetry, and other valuable finishes from humidity-related damage, and promotes healthier indoor air quality for your family.

It's also a smart investment that can help preserve your home's condition and long-term value, especially in Martha's Vineyard's coastal climate.

Brennan & Co. designs customized dehumidification solutions tailored to your home's unique needs, giving you dependable protection and peace of mind for years to come.

Contact us or visit our website at http://www.brennancomv.com/

If you notice weak airflow, unusual noises, warm air, or inconsistent cooling, it's best to have your system inspected a...
08/13/2026

If you notice weak airflow, unusual noises, warm air, or inconsistent cooling, it's best to have your system inspected as soon as possible.

Prompt AC repairs help restore efficiency, reduce energy consumption, prevent unnecessary wear on important components, and extend the life of your cooling system.

Taking action early can save you money while keeping your home comfortable throughout the season.

Contact us or visit our website at http://www.brennancomv.com/

A clogged filter restricts airflow, forcing your system to work harder and use more energy while reducing indoor air qua...
08/11/2026

A clogged filter restricts airflow, forcing your system to work harder and use more energy while reducing indoor air quality.

Regularly replacing or cleaning your air filter helps improve cooling efficiency, supports healthier air by reducing dust and allergens, and may even extend the life of your HVAC system.

If it's been a while since your last maintenance visit, now is the perfect time to give your AC the care it deserves.

Contact us or visit our website at http://www.brennancomv.com/

Address

148 Katama Road
Edgartown, MA
02539

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+15086960043

Website

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