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Water Treatment / Softener Installation in Rockingham County, New Hampshire

23 businesses offering water treatment / softener installation in Rockingham County, NH. Updated 9-22-26. Serving Portsmouth, Salem, Derry, Londonderry, Plaistow and Hampton and the rest of the county.

Business	Phone	Website
128 Plumbing, Heating, Cooling & ElectricSeabrook	(978) 572-2128	128plumbing.com	Report Phone doesn’t work Website doesn’t work
Absolute Water & AirExeter	(603) 772-5116	—	Report Phone doesn’t work
Absolute Water System, LLCEpping	(603) 818-4913	h2onh.com	Report Phone doesn’t work Website doesn’t work
Allied ClearwaterKingston	(603) 642-9901	alliedclearwater.com	Report Phone doesn’t work Website doesn’t work
Aqua Specialties LLCNorthwood	(603) 942-5671	h2oguy.com	Report Phone doesn’t work Website doesn’t work
B & G Specialty CoDerry	(603) 432-9671	bandgspecialty.com	Report Phone doesn’t work Website doesn’t work
CMP Plumbing & Heating - Plumbers In NHDerry	(603) 434-8600	cmpplumbing.com	Report Phone doesn’t work Website doesn’t work
Culligan Quench - LondonderryLondonderry	(888) 822-1192	quench.culligan.com/local/londonderry-office-water-cooler-se	Report Phone doesn’t work Website doesn’t work
Epping Well & Pump Co. Inc.Epping	(603) 679-5299	eppingwell.com	Report Phone doesn’t work Website doesn’t work
Filters, Water & Instrumentation, Inc. - NH & MALondonderry	(603) 434-9577	filterswater.com	Report Phone doesn’t work Website doesn’t work
Household EnvironmentalDerry	(866) 867-2366	householdenvironmental.com	Report Phone doesn’t work Website doesn’t work
ISHIGAKI USA LtdPortsmouth	(603) 433-3334	ishigakiusa.com	Report Phone doesn’t work Website doesn’t work
Lindsay Water ConditioningEast Hampstead	(800) 354-1936	lindsaywaterconditioning.com	Report Phone doesn’t work Website doesn’t work
Mainline PlumbingLondonderry	(603) 472-5261	callmainline.com	Report Phone doesn’t work Website doesn’t work
MCIS TRADE GROUPEpping	(603) 693-7212	mcis.biz/about-us	Report Phone doesn’t work Website doesn’t work
Mikell & SonEpping	(603) 772-9501	—	Report Phone doesn’t work
New England RadonSalem	(603) 893-4260	newenglandradon.com	Report Phone doesn’t work Website doesn’t work
Nova Water SystemsLondonderry	(603) 434-1990	—	Report Phone doesn’t work
Pilot Plumbing, Heating and CoolingSandown	(603) 634-8531	pilotplumbingnh.com	Report Phone doesn’t work Website doesn’t work
Policy Well & Pump IncWindham	(603) 898-4232	pwpco.com	Report Phone doesn’t work Website doesn’t work
R E Prescott Co., IncExeter	(603) 772-4321	represcott.com	Report Phone doesn’t work Website doesn’t work
US Water Consultants IncWindham	(603) 893-8833	uswaterconsultants.com	Report Phone doesn’t work Website doesn’t work
Water Treatment SolutionsHampton	(603) 758-1900	watertreatmentonline.com	Report Phone doesn’t work Website doesn’t work

Listed alphabetically. If a phone number or website does not work, use Report on that listing. Business owners: write to contact@hometradesdirectory.com to correct or remove a listing.

All 105 trades in Rockingham County