Granite State Mechanical Services, LLC
30 years in business99 Back River Road
Merrimack, NH 03054
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Type of EntityLimited Liability Company (LLC)
- Principal: Zak Downing, Office Manager
- Mark Downing, Owner
- Residential Air Conditioning Contractors
- Air Quality Services
- Air Conditioning Repair
- A GSMS labor warranty is provided for all new installations that they complete.
Products & ServicesGSMS services all makes and models and installs Lennox home comfort systems.
Licensing, Bonding or RegistrationThis 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
Phone Number: (603) 2234289
Fax Number: ()