Professional Furnace Installations & Replacements

The Service Specialists™ provide the precision your NH home needs.

A furnace is a complex machine that provides your home with the comfort and warmth you need. Sometimes your furnace may be acting odd, making weird noises, or not operating properly. You could be in the search to cut back on energy costs too. Or maybe you’re looking to have preventative maintenance performed. No matter your situation, you do not want just anyone working on the complicated system in your basement. You need to find a trustworthy company that can help you determine if possibly a repair is a better solution than a complete furnace replacement.

Choose a Reliable Contractor

It’s important to choose a heating system which is build and engineered to perform and last. However, it’s more important to have your furnace installed by a trained professional. Even if you purchase the most advanced system but have it installed by a company without experience and technicians that are factory trained, you’ll be running into problem after problem. Some manufacturers will even void your warranty if your system wasn’t installed by a certified contractor.

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At GSMS you have nothing to worry about. Our technicians are industry trained and licensed to install your system not only properly, but safely as well.​ Especially when it comes to a job that involves working with gas (such as propane and natural gas), it’s important that the technician has a license to install. All of our technicians are fully licensed in the State of New Hampshire.

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You also want to hire a company that you can trust to not only provide you with a fair price, but provide you with the professional and honest service you and your home deserve. At GSMS, “Service is Our Speciality” and has been for over 30 years. We like to focus on creating a lasting relationship with our customers by offering:

✓ Upfront & Fair Pricing

✓ Manufacturer Certified & NH Licensed Technicians

✓ Fixing your heating problems in our first visit, eliminating costly call-backs.

✓ Backing up everything we do with our GSMS Difference Promise

The GSMS Experience

It all begins with scheduling your estimate. Once you speak with our friendly team in the office, either Mark or Zak will come out to your home to start the home visit. During our visit we will go over your current needs and wants out of a new system, discuss if you have any issues that can be addressed, and most importantly measure your home.

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In order to provide you with a heating system that will bring comfortable and consistent temperatures, it’s important that your furnace is properly sized. If you get a system that is too big you will never be satisfied with temperatures and if the system is too small it will always be on, which is inefficient. Once we determine the proper sized system, we’ll show you all your options.

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You get to choose the heating system that meets your needs and budget. That’s the best part of working with GSMS, we don’t push you in one direction or another. We give you the facts and information you need to make an educated purchase.

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Heating Learning Center

Part of being The Service Specialists™ means we are always learning about new information for everything home. Here are some of our latest finds we want to share with you: