Resources
Water Knowledge, Support, and Guidance
Commers has been helping homeowners and businesses understand and solve water problems since 1947. From identifying common Twin Cities water issues to explaining treatment options, warranties, and maintenance, our resources are designed to give you clear, practical information backed by real water science and decades of experience.
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Twin Cities Water Problems
Understand What’s in Your Water
Water conditions across Minnesota vary widely between municipal supplies and private wells. Our resource library breaks down the most common regional water issues, what causes them, how they affect your home or equipment, and which treatment technologies are most effective.
Common problems we cover:
- Chlorine taste and odor from city water disinfection
- Sulfur and “rotten egg” smell from hydrogen sulfide and iron bacteria
- Hard water scale from calcium and magnesium
- High iron levels causing staining and metallic taste
- Sediment, sand, and turbidity in well systems
- Chemicals and VOCs from agricultural and industrial sources
- PFAS and emerging contaminants affecting long-term water safety
Warranties
Coverage You Can Rely On
Commers systems are backed by manufacturer and component warranties designed to protect your investment for the long term and reflect the durability of the equipment.
Typical warranty coverage includes:
- Lifetime tank warranties on many softeners, conditioners, and filtration systems, covering structural integrity for the life of the unit
- 7-year valve and control head warranties on advanced softeners and filtration systems, including electronic controls and internal moving parts
- 5-year to 7-year component warranties on select reverse osmosis systems, pumps, and commercial equipment
- Bradford White water heater warranties covering tank, heat exchanger, and key components, with extended protection available on higher-efficiency models
- Electronics and smart control warranties on systems equipped with W.E.T. Technology and Wripli® monitoring
Frequently Asked Questions
Clear Answers to Common Water Questions
Our FAQ section covers the most common questions homeowners and businesses ask about water quality, testing, equipment selection, maintenance, and system performance. Topics include:
- How to know if you need a softener, filter, or RO system
- What water tests measure and how to interpret results
- How often filters and media should be replaced
- Salt usage, regeneration cycles, and efficiency features
- Well water vs. city water treatment differences
- Service, maintenance, and emergency support options
Videos
See the Technology in Action
Our video library provides visual explanations of Commers systems, including how softeners regenerate, how reverse osmosis works, what W.E.T. Technology does, and how smart monitoring with Wripli® helps track water usage, savings, and performance.
Our Blogs
Education, Updates, and Expert Insight
The Commers blog offers in-depth articles on water quality trends, treatment technologies, seasonal maintenance tips, regulatory updates,and common homeowner questions. Each post is written by water professionals and grounded in real-world system performance and testing data.
10.09.2026
When Should You Replace Your Reverse Osmosis Filters?
Key Takeaway: No single reverse osmosis filter replacement schedule fits every system. Different cartridges and membranes have different service lives, and replacement timing can also depend on water quality, household usage, and
09.25.2026
Water Softener Maintenance: What’s Included in a Routine Checkup?
Key Takeaway: Regular water softener maintenance helps keep your system running as intended and lets you catch problems before they affect soft water. Homeowners can handle basic tasks such as checking salt
09.11.2026
Water Softener Salt Selection for Minnesota Homes: Pellets vs. Crystals vs. Solar Salt
Key Takeaway: The best water softener salt for your Minnesota home depends on your system, the salt’s purity, your household water use, and the manufacturer’s recommendations. Pellets, crystals, and solar salt can
08.21.2026
Signs Your Water Softener Needs Repair: When to Call a Pro
Key Takeaway: A return of hard water, unusual noises, leaks, frequent regeneration, or unexplained changes in salt and water use can all be signs that your water softener needs repair. Some problems
08.07.2026
The Value of Professional Water Softening Systems: Why the Right Solution Protects Your Home
Key Takeaway: A professionally selected and installed water softening system does more than eliminate hard water. It helps protect plumbing, appliances, fixtures, and water-using equipment while improving cleaning performance throughout your home.
07.24.2026
PFAS in Drinking Water: What Minnesota Homeowners Should Know About Forever Chemicals
Key Takeaway: PFAS, often called “forever chemicals,” are a group of synthetic compounds that can persist in the environment and drinking water for years. While it’s nearly impossible to eliminate every source