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Business Profile

Air Conditioning Contractors

Gervais Mechanical Services LLC

About

About This Business

Gervais Mechanical Services specializes in heating, cooling, electrical, and plumbing services for both commercial and residential properties.  The business services include but are not limited to air conditioning repairs/installations, ductless mini splits, clear air solutions, electrical panel upgrades, generators, EV charging stations, water heaters, plumbing repairs, drain cleaning, and much more.

BBB Accredited Since: 12/20/2024

Years in Business: 21

Products and Services

With more than 21 years of proudly serving the Central and Boston Massachusetts region, our licensed and certified specialists provide unbeatable heating, cooling, plumbing, and electrical services backed by a 100% satisfaction guarantee—whether it's maintenance, repairs, or installations. Plus, you can always count on Gervais for 24/7 emergency service, seven days a week.

Photos and Videos

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Business Details

BBB File Opened:
10/5/2021
Business Started:
8/1/2004
Business Started Locally:
9/25/2019
Date of New Ownership:
8/29/2023
Business Incorporated:
9/25/2019
Type of Entity:
Limited Liability Company (LLC)
Alternate Names:
Horizon Services Inc.
GMS Holdings, LLC
Business Management:
Ms. Yolanda Graf, Customer Relations Manager

Additional Contact Information

Customer Contacts
Ms. Yolanda Graf, Customer Relations Manager
Social Media
Facebook
YouTube

Licensing information

This business is in an industry that may require professional licensing, bonding or registration. BBB encourages you to check with the appropriate agency to be certain any requirements are currently being met.

BBB records show a license number of 5006 for this business, issued by Division of Professional Licensure. The expiration date of this license is 5/1/2026.

Division of Professional Licensure

239 Causeway Street

Boston MA 02114

BBB records show a license number of 918 for this business, issued by Division of Professional Licensure. The expiration date of this license is 8/14/2026.

Division of Professional Licensure

239 Causeway Street

Boston MA 02114

BBB records show a license number of 8279 for this business, issued by Division of Professional Licensure

Division of Professional Licensure

239 Causeway Street

Boston MA 02114

Additional Information

Other Resources
Board of State Examiners of Plumbers & Gas Fitters
239 Causeway Street Suite 500
Boston MA 02114
Phone Number: (617) 727-9952
www.mass.gov/dpl/boards/pl/index.htm
Division of Professional Licensure
239 Causeway Street
Boston MA 02114
Phone Number: (617) 727-7406
www.mass.gov/dpl/boards.htm

Latest Reviews

  • Arnaud S

    "I signed up for Gervais Mechanicals Comfort 360 Plan in August 2025 and have been billed monthly ever since. Not once did I receive the services I was paying for." ... Read full review

  • Daniel V

    "I contacted Gervais Mechanical about a heat pump issue and was fortunate to have Technician Jose VREMOVEDhelp with the problem. Extremely knowledgeable and above all professional and honest." ... Read full review

  • Raju A

    "The response to our request for a home visit was prompt, and the technician arrived swiftly to diagnose the issue. The diagnosis revealed a faulty pressure switch, and the technician carried out the necessary checks efficiently." ... Read full review

View all Reviews

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