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Typical your area range for this kind of work, from regional averages — not a quote from Kenco Plumbing & Drains. 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
Kenco Plumbing & Drains is the Rollinsford crew people call when water is going where it shouldn't. A July 2026 customer with a blocked main line wrote that Leon came out at 10pm; another called at 7pm about a rental house whose toilets, showers and sinks were backing up, and someone was there that night. The company advertises 24/7 emergency service and lists Portsmouth, Dover, Rye, Exeter and nearby towns as its service area. On Google it holds 4.9 stars from 286 ratings, and Thumbtack shows 4.9 from 30. A June 2026 Reddit commenter in r/newhampshire wrote that Kenco came in clutch when another plumber left a job half done and ghosted them on a Friday. The recent Google reviews describe drains, leaks, water heaters and boilers. In a September 2026 review, a Saturday sewer emergency brought Leon and Paige within 2 hours; Leon walked the customer through options, showed camera footage that the pipes were cleared and sanitized the area. A June 2026 customer with a burst sewer pipe said the company was upfront about the weekend emergency service charge, and that Hayden recommended checking the septic, which needed an emergency pumping, before repairing the pipe. An August 2026 customer had a crucial part replaced on a boiler with a massive crack. An April 2026 customer said Leon broke through a slab to find a kitchen leak and fixed it that evening. The one sour note is a February 2026 Google review that gave 2 stars. The customer called the service fast and friendly but said the bill came in about $600 more than expected, over $1,500 in all, with $382.50 charged to replace a faucet whose cost was never disclosed. A July 2026 reviewer wrote that emergency service is expensive but worth every penny. New Hampshire lists plumber licence 1809157 and HVAC licence GF1809757 as active, held by Leon A Garrett, Jr.
“Kenco out of Rollinsford. They came in clutch when another plumber left a job half done and ghosted us on a Friday.”
100%
Outstanding experience! Kevin, Will and Paige moved quick on a holiday weekend. Job was done in under an hour.
Kenco sent over a very personable and professional young man named Kevin to repair our leaking toilet. He checked out the problem, came up with a solution, and patiently explained the issue as well as the parts he needed plus the cost of the repair. We appreciated his positive attitude, work ethic and knowledge. Because of this interaction, we will definitely call this company with any other plumbing problems.
Leon first responded to an emergency call (same day!!!) to help us with a leaking pipe. Since then, they've installed a new heater in our kitchen, and serviced our boiler. We have additional services booked with them as well including cleaning our drains, installing a new kitchen sink, and garbage disposal. They are super communicative, reliable, and friendly people. We love working with them! Highly recommend; 10/5 stars. Looking forward to seeing you guys again soon!!
Kevin is one hell of a plumber! Got here in under 30 minutes for our emergency figured everything out within the first ten minutes and busted his butt under our house getting everything fixed! He was very friendly and outgoing and would highly recommend him for anyone who needs any plumbing work!
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1 change recorded — last scanned Oct 18, 2026.
State-verified HVAC license since 20092.2
Evening no-heat repair within a couple hours4.0
Heat exchanger replacement3.6