Water Treatment Repairs & Maintenance in Knoxville, TN

When your water treatment system stops performing the way it should, you need a team you can trust to get your water back on track. Whether you have an aging water softener, a reverse osmosis system that needs attention, or a filtration system that’s no longer working properly, Advanced Water Systems is here to help.

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Repair & Maintenance for All Major Water Treatment Systems

Even the best water treatment equipment requires occasional maintenance and repairs. Our technicians diagnose problems quickly and recommend cost-effective solutions to restore your system’s performance.

We service:

  • Water softeners
  • Reverse osmosis systems
  • Whole-home water filtration systems
  • UV water disinfection systems
  • Specialty water filters
  • Commercial water treatment systems
  • Many major brands of water treatment equipment
Whether your system was installed by us or another company, our team has the experience to help.

We sell the best and service the rest.

Upgrade & Save with Our $300 Trade-In Offer

If your current water treatment system is outdated, unreliable, or becoming too expensive to repair, replacing it may be the smarter long-term investment.

That’s why Advanced Water Systems offers up to a $300 trade-in credit toward the purchase of a qualifying new EcoWater water treatment system.*

By upgrading, you can enjoy:

  • Improved water quality
  • Greater salt and water efficiency
  • Lower maintenance costs
  • Modern smart technology options
  • Professional installation backed by local service
Our team will inspect your current equipment and help you determine whether repairing or replacing your system offers the best value.

*Contact us for complete trade-in details and qualifying equipment.

Water Softener Repair

If your water softener isn’t performing like it should, we’ll diagnose the problem and restore it to peak performance whenever possible.

Reverse Osmosis Service

Keep your drinking water system producing clean, great-tasting water with professional maintenance, filter replacements, and repairs.

Filter Replacement

Replacing filters on schedule helps maintain water quality and keeps your treatment system operating efficiently.

Preventative Maintenance

Routine inspections and maintenance help identify small issues before they become costly repairs.

System Upgrades

Upgrade older equipment with today’s more efficient EcoWater technology and enjoy improved performance, reliability, and convenience.

Salt Delivery

Keep your water softener operating efficiently with convenient water softener salt delivery and refill services.

Why Choose Advanced Water Systems for Service?

When your water treatment system needs attention, you want experienced professionals you can trust. Our team has been servicing water treatment systems across East Tennessee and Northwest Georgia since 1989.

  • More than 30,000 customers served since 1989
  • Service and repairs for EcoWater and most major brands
  • Experienced technicians and dependable local support
  • Honest recommendations focused on long-term performance

Repairs & Maintenance FAQs

Most systems benefit from routine maintenance once a year, although service intervals may vary depending on your equipment and water quality.

Yes. Our technicians service and repair EcoWater systems as well as most major water treatment brands.

Common signs include changes in water quality, reduced water pressure, unusual noises, leaking equipment, or your water softener using more or less salt than normal.

Absolutely. Routine maintenance helps identify potential issues early and keeps your equipment operating efficiently for years to come.

Yes. We carry replacement filters, parts, and accessories for many of the systems we service.

Let's Find the Right Water Solution Together

Every home and business deserves clean, reliable water. Whether you’re installing a new treatment system or upgrading your current equipment, our experienced team is ready to help.