GSMS Air•Heating•Plumbing is a premier, family-owned HVAC contractor and plumber serving the Manchester, New Hampshire area. With over 35 years of dedicated experience, the company has established itself as a reliable, all-in-one solution for residential and commercial clients seeking to elevate their home comfort and essential systems. Rooted in family traditions and a deep commitment to customer satisfaction, GSMS prides itself on delivering award-winning services. Their mission extends beyond simple repairs and installations; they aim to be a trusted partner in maintaining the well-being and efficiency of local homes and businesses. Since its inception in 1987, GSMS has grown into a second-generation business, ensuring that the core values of integrity, quality, and community focus remain at the forefront of their operations. They are dedicated to providing exceptional service that enhances the living and working environments of their New Hampshire neighbors, making them a go-to choice for all heating, cooling, and plumbing needs.
GSMS Air•Heating•Plumbing distinguishes itself through a strong emphasis on family values, extensive experience, and a commitment to exceptional customer care. As a second-generation, locally-owned business since 1987, they offer a personal touch often missing from larger corporations. Their "WOW Warranty" underscores their confidence in the quality of installations, providing industry-leading labor guarantees. A unique feature is their GSMS Smart Monitoring system, utilizing sensors to proactively detect potential issues within heating and air systems, allowing for preventative maintenance before problems escalate. This dedication to proactive care is further exemplified by their "We Heart Local" initiative, where a portion of profits supports local New Hampshire organizations. The "Great Service Promise" guarantees affordable pricing, 5-star service, and a commitment to customer satisfaction, with the assurance that they will "make it right" if clients are not completely satisfied. Their affiliations with top brands like Lennox and Mitsubishi, as well as recognition such as "Best Of The Best" and "Expertise 2024," further validate their expertise and trusted service delivery.
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Working as a renovation contractor for over two decades I dealt with many subcontractors over the years. I am happy to share ...
This was our first experience with GSMS and our service tech Quentin was a cut above what we’ve been used to. Friendly, knowl...
From start to finish GSMS was a pleasure to work with. Zak was knowledgeable explaining my options for a new boiler. Gina too...
Our plumber Jack was great, very professional and polite. I would recommend him and GSMS to anyone! Thank you for your quick ...
Adam and Quinn did a great job with a furnace and ac installation to replace my 24 year old equipment. Adam brings plenty of ...
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Based on 8 recent reviews
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Serves Manchester and surrounding areas
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Moderate climate with balanced heating and cooling needs year-round.
Peak Season: June - August, December - February
Tip: Spring and fall are ideal for HVAC maintenance.


