8AM - 4PM
33 Waterman Rd, Weare7AM - 4PM
17 Oil Mill Rd, Weare“I had a pretty nasty plumbing issue late at night. I got a call from Granite State and they dispatched someone late that evening at 10:30. I want to say his name was Julian. He came to my apartment near Pinkerton in Derry and was very polite, very helpful and overall very urgent. On top of that, I accidentally called him today, but hung up immediately. He then made sure to call me back and check up on me to make sure nothing had gone wrong. That is above and beyond service! Thank you very much!“
“Very friendly and always responsive, they are the most expert and efficient problem solvers of any plumbing and heating business we’ve ever used. We’ve had repairs and installations done by them. Top notch!!!!!“
8AM - 5PM
78 Depot Hill Rd, Henniker“AGS helped us replace our old hot water heater, and they were fantastic from start to finish. Everyone we spoke with was super friendly and helpful, and they made the whole process easy. They explained our options clearly, didn’t try to upsell us on anything, and got us scheduled quickly.
On the day of the install, the technicians showed up right on time, were really professional, and respectful of our home. They did a clean job and made sure we understood how everything worked before they left. It’s been working perfectly ever since—no issues at all, and we’re so happy to have reliable hot water again!
Honestly, it’s hard to find a company that’s both good at what they do and great to work with, but AGS really is. We’d definitely call them again and wouldn’t hesitate to recommend them to anyone who needs HVAC or plumbing help.“
7AM - 4:30PM
133 Buxton Industrial Dr, Henniker“Very professional. Excellent explanation of services and septic system status. We use Henniker Septic every 3 years.“
Plumbers
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“Would most definitely recommend!! The technician very quickly found that what I thought was a leaking pipe was actually a leaking refrigerator.“