Hydrophilic
Verified Pro
5.0(6)
Water Treatment & Softeners in Knoxville, TN
Compare 28 water treatment & softeners contractors near you in Knoxville and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 24, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
hydrophilic.biz
PureLife Plumbing & Water Systems
Verified Pro
2+ years online5.0(40)
TruePani
Verified Pro
10+ years online5.0(1)
Pipe Wrench Plumbing, Heating & Cooling
Verified Pro
25 years online4.8(5728)
Valley Plumbing, Inc.
Verified Pro
4+ years online4.8(547)
Other Businesses in This Area
Aqua Clear Water Systems
5.0~21 years onlineKnoxville Water Treatment - Water Softening & Water Purification
5.09½+ years onlinePuremaxx Filtration (Shipping & Receiving)
5.0~7 years onlineTennessee Standard Plumbing and Drain
5.08½+ years onlineWellness Water Filtration Systems
5.02½+ years onlineAmerican Home Design, Inc.
4.94+ years onlineHiller Plumbing, Heating, Cooling & Electrical
4.916+ years onlinePerfectWater
4.923+ years onlineTennessee Water & Air Technology
4.914½+ years onlineThe Plumbing Authority
4.9~13 years onlineGoHero Home Services
4.83+ years onlinePioneer Heating, Cooling, Plumbing and Electrical
4.825½+ years onlinePumps of Tennessee
4.85½+ years onlinePuremaxx Filtration (Headquarters)
4.8~7 years onlineKnox Filters Inc
4.7Knoxville Culligan
4.4~20 years onlineAdvanced Water Systems
4.29 years onlineAqua-Chem Inc
4.230½+ years onlineWater Treatment & Softeners in Nearby TN Cities
Other Services in Knoxville
Access Control & Intercom(39)Alarm System Installation(24)Appliance Installation(21)Artificial Turf Installation(25)Automotive Installs(3)Concrete & Paving(31)Deck & Patio Building(32)Electrical Services(22)EV Charger Installation(16)Fencing & Gate Installation(27)Fire Protection & Sprinklers(29)Garage Door Installation(19)
About Water Treatment & Softeners in Knoxville
Water treatment covers filtration, softening, and purification systems for homes and businesses. Common solutions include whole-home water softeners, reverse osmosis drinking water systems, and iron/sulfur filters. The right system depends on your water source and specific contaminants.
Typical costs: Under-sink reverse osmosis systems run $300–$800 installed. Whole-home water softeners are $1,500–$4,000. Iron filters and multi-stage whole-home systems are $2,000–$6,000+.
Common projects include:
- Whole-home water softener installation
- Reverse osmosis drinking water system
- Iron and sulfur filtration
- UV water purification
- Well water treatment systems
Water treatment installations that modify plumbing may require plumbing permits. Well water systems may need additional environmental or health department approval.
Frequently Asked Questions
- How much does water treatment & softeners cost in Knoxville?
- An under-sink reverse osmosis system runs $300–$800 installed. A standard water softener is $1,500–$4,000 including installation and plumbing connections. Well water treatment systems with multiple stages (sediment, iron, softener, UV) can run $3,000–$8,000. Annual maintenance (filters, salt) is $100–$300.
- How do I find a reliable water treatment & softeners contractor in Knoxville?
- Start with a water test — a good installer will test your water before recommending a system. Ask about ongoing maintenance costs (filter replacements, salt, UV bulb changes). The cheapest system isn't the best deal if filters cost $200 every 6 months.
- Do I need a permit for water treatment & softeners in Knoxville?
- Simple point-of-use filters don't need permits. Whole-home systems that tie into the main water line may require a plumbing permit. Well water treatment systems may need health department review in some areas.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Knoxville and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.