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Granite State Mechanical Services

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.

  • BBB Accredited Business

Answers from contractors near Merrimack, NH

What is the temperature range for installing roof shingles

Manny Tenecota of MJT Roofing PRO answered:

Jan 11, 2017
Theoretically, there is no lower or upper temperature limit governing when asphalt fiberglass shingles may be applied as long as appropriate precautions are taken.  ? In cold weather, for easiest ... read more
What are the top 3 energy efficiency upgrades I can do to my 2-story home?
Feb 18, 2014
The first thing to reduce energy is to see where it is being wasted.  An energy audit with blower door test and infared camera is the best place to start.   The list of upgrades range from adding insu ... read more

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