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Water Treatment in Connecticut

57 local Water Treatment pros serving 35 cities across Connecticut. Looking for water treatment in Connecticut? HVAC Service Fast lists 57 local Water Treatment companies serving 35 cities — from City of Milford (balance) and Milford to North Stamford. Compare Google ratings, check license details and contact companies directly — no middleman, no fees. Connecticut sees both hot summers (~75°F) and cold winters (~30°F), so equipment works year-round with little… Read more

Compare Water Treatment Companies in Connecticut

Local contractors · pick a city to narrow down

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Brooks Enviro logo

Brooks Enviro

9 Isaacs St, Norwalk, CT 06850, USA

Indoor Air Quality Water Treatment
5.0 (80) · via Google

Website

High Rock Water Plumbing CT logo

High Rock Water Plumbing CT

2514 Whitney Ave Ste 5158, Hamden, CT 06518, USA

Plumbing Services Water Heaters Water Treatment
5.0 (44) · via Google

Website

Frosti Water Cure logo

Frosti Water Cure

1697 Saybrook Rd, Haddam, CT 06438, USA

Water Treatment
5.0 (34) · via Google

Website

Werner Water Systems logo

Werner Water Systems

25 Rock Ridge Rd, Bridgewater, CT 06752, USA

Water Treatment
5.0 (21) · via Google

Website

About Water Treatment in Connecticut

Looking for water treatment in Connecticut? HVAC Service Fast lists 57 local Water Treatment companies serving 35 cities — from City of Milford (balance) and Milford to North Stamford. Compare Google ratings, check license details and contact companies directly — no middleman, no fees.

Connecticut sees both hot summers (~75°F) and cold winters (~30°F), so equipment works year-round with little downtime. Typical jobs include water treatment, water softener installation, whole-house water filtration and seasonal maintenance.

Contractor licensing in Connecticut runs through the Connecticut eLicense. Where a company lists a license number on its profile, you can verify it yourself on the official portal before you hire — a two-minute check that filters out most bad actors.

Water Treatment in Connecticut — FAQ

How many Water Treatment companies are listed in Connecticut?
HVAC Service Fast currently lists 57 Water Treatment companies across 35 cities in Connecticut. Every profile shows the data we have on file — ratings from public sources, phone, address and, where available, license numbers.
How do I verify a Water Treatment contractor's license in Connecticut?
Use the official Connecticut eLicense search. If a company shows a license number on its HVAC Service Fast profile, look it up there to confirm it is current before signing a contract.
How much does Water Treatment cost in Connecticut?
Prices vary with job scope, equipment and local labor rates, so treat any flat number online with caution. Our free HVAC cost guide explains typical price factors, and requesting two or three quotes from the companies listed here is the fastest way to see real local pricing.
Which Connecticut cities have the most Water Treatment pros?
The largest concentrations are in City of Milford (balance), Milford, North Stamford, East Norwalk, Norwalk. Use the city filter to narrow this page, or open a city page for the full local list.

Water Treatment by City in Connecticut

Open a city page for the full local list of Water Treatment pros.