Verified record
Harrington Plumbing & Heating describes itself on its Better Business Bureau profile as offering plumbing and heating services as well as gas fitter installation services. Daniel F Harrington holds New Hampshire plumber license 3542, which is active on the state registry. The Better Business Bureau grades the business A+ and lists it as accredited.
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No changes recorded yet — last scanned Oct 18, 2026.
Typical your area range for this kind of work, from regional averages — not a quote from Harrington Plumbing & Heating. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
Water heater work5.0
Multi-zone heat pump design for older homes5.0
Leaking water heater replaced that same day4.9
Fast emergency response4.9
Dual-state active licensing4.7
State-verified plumbing license since 20213.0
Water tank replacement by Scott Thurston3.4
