BBB Accredited Business Profile

Granite State Mechanical Services, LLC

Granite State Mechanical Services, LLC

(603) 424-8258

Granite State Mechanical Services, LLC

30 years in business
99 Back River Road
Merrimack, NH 03054
BBB File Opened: 03/25/1993
Business Started: 09/01/1987
Business Incorporated: 01/01/1990 in NH
Type of Entity
Limited Liability Company (LLC)
Contact Information
  • Principal: Zak Downing, Office Manager
  • Mark Downing, Owner
Business Category
  • Residential Air Conditioning Contractors
  • Air Quality Services
  • Air Conditioning Repair

Additional Information
  • A GSMS labor warranty is provided for all new installations that they complete.
Products & Services
GSMS services all makes and models and installs Lennox home comfort systems.
Licensing, Bonding or Registration
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 MBE0003276 for this business, issued by NH Department of Safety - Division of Fire Safety

    NH Department of Safety - Division of Fire Safety
    33 Hazen Drive, Concord, NH 03305
    http://www.nh.gov/safety/divisions/firesafety
    Phone Number:  (603) 2234289
    Fax Number:   ()

Number of Employees: 
5

Granite State Mechanical Services, LLC

Granite State Mechanical Services, LLC

BBB ACCREDITATION SINCE 12/15/2011

Customer Review Rating:

There are NO reviews for this business.
Be the first to leave a review!
This business has no complaints filed