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Typical your area range for this kind of work, from regional averages — not a quote from Thin Blue Line Plumbing and Heating. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
A water heater flooded one customer's basement at 10pm. They called Jeff at 8am the next morning, he was at the house by 10:40am, and they had hot water by 1pm — and he cleaned up after himself. The website of Thin Blue Line Plumbing and Heating introduces Jeffrey Boisvert, who says he started in plumbing in 2002 with his parents' kitchen and bath company and later spent nearly 13 years as a police officer. Its New Hampshire licence, number MBE2501724, held by Thin Blue Line Plumbing and Heating, LLC, is active on the state registry. On Google it shows 5 stars from 61 ratings. A customer with an emergency water heater leak at a rental property said Jeff was fully booked but walked them through what to check, followed up the next day, coordinated with the tenants and completed the repair. A customer said he replumbed a shower and bathtub on a Sunday afternoon. One who asked him to replace a garbage disposal said he came out the next day, replaced a toilet supply line while there, and checked that the dishwasher and sink pipes were not affected. A customer has booked him to come back for boiler maintenance. A 2026 customer said Jeff removed a toilet and vanity for their flooring company and, while doing so, found the cause of a clog in the bathroom sink and fixed it. A 2026 customer said he gave a military discount without being asked. A 2025 customer doing a DIY bathroom remodel in a very old house said Jeff redid 40-year-old copper pipes and tied up the lines for the shower and the vanity.
Jeff is fantastic on so many levels. He’s reliable, good natured and skilled. He bent over backwards to resolve an issue I had last year and gave me a reasonable price. He’s my go-to guy from now on. You won’t regret working with Jeff!
Jeff was amazing! He addressed all my issues (old house so there were a couple of surprises) and questions. He also explained everything in a manner I could actually follow and understand! I already booked him to come back and do maintenance on my boiler. Would 100% recommend him!
Jeff is wonderfully knowledgeable and personable. Jeff is Quick to respond to calls and listens to your plumbing concerns. He is very professional and courteous. We highly recommend his services.
Great experience! Fast and reliable service. Very responsive to phone calls! Would highly recommend Thin Blue Line again and again.
Jeff was very knowledgeable and friendly. Showed me what was wrong with leaky under sink pipe and what needed to be done to fix it. Great job and very honest.
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1 change recorded — last scanned Oct 18, 2026.
Multi-zone heat pump design for older homes5.0
Second opinions5.0
Neat installations5.0
Heating upgrades5.0
Fast AC call on a 95-degree day3.9
A/C and furnace repair3.5