The 10 Best Plumbing Companies in New Hampshire — 2026

We compared all 168 plumbing companies in New Hampshire on the data that matters: services offered, posted hours, and how easy each one is to reach. No pay-to-play — this ranking comes straight from the listings data, updated November 2026.

#1 · Heath & Field Plumbing & Heating, Inc.Newport

(603) 863-3244 Website View listing

#2 · Paradigm Plumbing, Heating & A/cHooksett

(603) 641-6400 Website View listing

#3 · Milford Plumbing & HeatingMilford

(603) 672-1514 Website View listing

#4 · Denron Hall Plumbing & HVACManchester

(603) 627-4186 Website View listing

#5 · MASI Plumbing, Heating & ACNashua

(603) 889-2331 Website View listing

#6 · Southern New Hampshire Plumbing And HeatingLondonderry

(603) 289-1421 Website View listing

#7 · Al Terry Plumbing, Heating & ACHooksett

(603) 485-4205 Website View listing

#8 · All In One Plumbing and HeatingWarner

(603) 568-0046 Website View listing

#9 · Badger Plumbing, Heating & MechanicalMiddleton

(603) 755-4877 Website View listing

#10 · Bellemore Property ServicesBedford

(603) 641-6640 Website View listing

Run one of these businesses? You earned this spot — email contact@plumbingatlas.com for your free “Top Plumbing Companies in New Hampshire” badge to put on your site, and we’ll make sure your listing stays accurate.
How we rank: every listing earns points for listed services (drain service, water heaters, sewer service, emergency service), posted hours, and working contact details. The ranking is recalculated with every data update.