Granite State Mechanical Services

Specialties

Service is a specialty at GSMS. Since 1987 we have been providing New Hampshire’s residential and commercial communities with heating, cooling, and plumbing installations, servicing, and repairs.

Give us a call to have a member from our team meet with you and show you how you can take advantage of energy savings, indoor air quality, and efficiency of your home’s comfort system. We offer all of our customers with free estimates, competitive, honest, and straight forward pricing; all with courteous and professional service.

We always put our customers first. We have technicians on call 24 hours a day, 7 days a week in order to keep our customers comfortable ²⁴⁄₇ as well.

History

Established in 1987.

A family business, GSMS was started as a one man shop by owner Mark Downing. Throughout the past 25+ years GSMS has expanded to fulfill the needs and wants of our customers without lacking the relationship and friendly, reliable service you get from a family business.