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Hampstead, NH

Trusted Plumbing & HVAC Services in Hampstead, NH

At GSMS, we are proud to serve homeowners in Hampstead, NH with reliable heating, cooling, and plumbing solutions. As a family-owned business, we’ve built our reputation on honest service, skilled workmanship, and a commitment to keeping local homes safe and comfortable year-round. Whether you need emergency plumbing repairs, a new furnace installation, or routine HVAC maintenance, our licensed team is here to help.

Call us today at 603-424-8258 or request service online to schedule your plumbing or HVAC service in Hampstead.

Plumbing Solutions for Hampstead Homes

Expert Plumbing Repairs & Installations

From leaky faucets to broken pipes, our plumbers handle it all. We offer fast, dependable plumbing repairs and full installations to keep your home’s water systems running smoothly.

Water Heater Services

We specialize in water heater repair, replacement, and installation for both standard and tankless systems. If you’re dealing with cold showers or rising energy bills, our team can restore your hot water quickly.

Water Filtration & Treatment Systems

Enjoy safe, great-tasting water in Hampstead with our custom water filtration and reverse osmosis systems, tailored to your home’s needs.

Reliable Heating Services in Hampstead, NH

Furnace Repair & Installation

Stay warm through the New England winters with expert furnace services. We repair all makes and models and install high-efficiency furnaces built to last.

Boiler Services

If your Hampstead home uses a boiler, trust us for professional boiler repair, replacement, and maintenance that maximizes efficiency and comfort.

Heat Pump Installation & Service

Heat pumps provide year-round heating and cooling in one system. We install and service energy-efficient heat pumps that help you save on utility bills.

Ductless Mini-Split Systems

Perfect for homes without ductwork or for room-by-room comfort, ductless mini-splits offer quiet, efficient heating and cooling with flexible installation options.

Cooling Services to Keep Hampstead Comfortable

Air Conditioning Repair & Maintenance

Don’t let a broken AC leave you sweating. Our technicians provide fast, reliable AC repairs and seasonal maintenance to keep your system efficient.

New AC Installation

If it’s time for an upgrade, we install energy-efficient air conditioning systems sized perfectly for your Hampstead home.

Indoor Air Quality Solutions

From air purifiers to humidity control, we offer IAQ solutions that improve your family’s comfort and health indoors.

Why Choose GSMS for Plumbing & HVAC in Hampstead?

When you need a team you can trust in Hampstead, NH, GSMS is your local go-to choice. As a family-owned business serving New Hampshire for decades, we know what it takes to keep homes comfortable through the region’s harsh winters and humid summers. Our commitment to the community shows in every service call.

From the neighborhoods near Big Island Pond to homes around Hampstead Center, we’re here to help families stay comfortable all year long.

Call Today for Expert Plumbing & HVAC in Hampstead, NH

Whether you need urgent repairs or want to schedule preventive maintenance, GSMS is here to help Hampstead homeowners with reliable service backed by decades of experience. Contact us today at 603-424-8258 or request service online to restore comfort in your home.

Recent Jobs and Reviews in Hampstead, NH

Rated 5.0 out of 5 stars based on 2 customer reviews

Customers say: The recent reviews exhibit a predominantly positive sentiment, with recurring themes of satisfaction, professionalism, and expertise. Customers express gratitude, recommend the company, and acknowledge the quality of the work performed. Positive reviews frequently mention friendly and knowledgeable technicians, timely responses, and efficient service. Negative reviews are minimal and do not represent a clear, recurring trend. Overall, the reviews suggest a positive experience with the company, with many customers expressing satisfaction with their HVAC and plumbing needs.

Job Locations and Reviews

Installed new mixing valve and replaced 2 taco zone valves head.Zone valve head had bad end switches was running boiler all the time
Installed new mixing valve and replaced 2 taco zone valves head.Zone valve head had bad end switches was running boiler all the time
Mark D.
Mark D. Checked in
Installed new mixing valve and replaced 2 taco zone valves head.Zone valve head had bad end switches was running boiler all the time
Hampstead, NH 03841
Review
Excellent service and communication from scheduling to job completion!
David - Hampstead, NH 03841
Mark D.
Mark D. Checked in
11/4x11/4x3/4 blk tee,2=11/4 close nip,installed new out faucet and shut off valve
Hampstead, NH 03841
Mark D.
Mark D. Checked in
Installed ice maker line
Hampstead, NH 03841
Review
Our experience with Mark and GSMS was excellent. Great customer service and communication from the office during appmt. booking, and leading up to day of appnt. Pleasant, informative, and on time, and great communication all around. Thank-you!
David R. - Hampstead, NH 03841
Mark D.
Mark D. Checked in
Tuned up oil boiler
Hampstead, NH 03841

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