Water Filtration Systems: What to Know Before You Buy or Upgrade
Clean, safe water is the foundation of a healthy home or business. Every day, families and property managers wonder: is our water really as pure as it should be? If your water smells off, tastes strange, or leaves spots on dishes, you’re not alone. Water filtration systems are more than a luxury—they’re a smart investment in well-being and peace of mind.
At Fix Plumbing, we understand the stakes. With years spent solving tough water challenges, we know what works—and what doesn’t. Here’s what you need to know before buying or upgrading a water filtration system, whether you’re protecting your loved ones or caring for a commercial property.
Why Water Filtration Matters 💧
Water runs through every part of life. But what’s flowing from your tap might surprise you. Municipal water treatment removes most contaminants, but issues like aging pipes, local water sources, or runoff can introduce new risks.
Common concerns include:
- Chlorine or chemical taste and odor
- Sediment, rust, or visible particles
- Hard water stains or scale buildup
- Microbial or bacterial contamination
- Lead, pesticides, or industrial pollutants
For families, these issues can affect cooking, bathing, and even laundry. For businesses, poor water quality can lead to equipment damage or health code violations. According to the Environmental Protection Agency (EPA), even trace contaminants can impact health over time, especially for children or immunocompromised people.
Filtering water isn’t just about taste—it’s about trust, safety, and protecting your plumbing investment.
Types of Systems Explained
Choosing a water filtration system can feel like picking a lock with the wrong key. There are dozens of options, but most fall into three main categories:
Whole-House Systems
What They Are:
Installed at your main water supply, these systems filter every drop entering your building.
Pros:
- Full coverage—protection for showers, laundry, appliances, and drinking water
- Reduces scale, sediment, and some contaminants throughout entire plumbing
- Longer-lasting filters (depending on model)
Cons:
- Higher upfront cost
- May require professional plumbing modifications
- Some models don’t remove all contaminants (e.g., bacteria, specific chemicals)
Who Needs This:
Large families, homes with well water, or businesses with high water use. Also ideal for old buildings with aging pipes.
Under-Sink Systems
What They Are:
Mounted beneath a kitchen or bathroom sink, these units filter water for a single faucet.
Pros:
- Targeted filtration for drinking and cooking water
- Easier to install and maintain than whole-house units
- Variety of filter types (carbon, reverse osmosis, UV)
Cons:
- No protection for showers, laundry, or appliances
- Filter cartridges may need frequent replacement
Who Needs This:
Apartment dwellers, renters, or anyone wanting better-tasting water at the tap.
Point-of-Use (POU) Filters
What They Are:
Compact filters for specific taps or appliances—think countertop pitchers, faucet attachments, or refrigerator filters.
Pros:
- Affordable and portable
- No major plumbing required
- Quick fix for taste or odor issues
Cons:
- Limited capacity
- Doesn’t address whole-home water quality
- Frequent filter changes
Who Needs This:
Small offices, tenants, or anyone wanting a low-commitment solution.
No matter the system, one size does not fit all. Before you commit, take a closer look at your water—and your expectations.
DIY vs. Professional Installation 🛠️
Installing a water filter might sound simple. In reality, it’s a bit like rewiring a lamp—one wrong move can leave you in the dark.
DIY:
- Some under-sink and point-of-use systems come with clear instructions
- Great for handy homeowners and renters
- Risks: improper seals, leaks, water damage, or voiding warranties
Professional Installation:
- Ensures correct sizing, placement, and plumbing connections
- Complies with local plumbing codes and safety standards (refer to the Uniform Plumbing Code)
- Includes pressure tests, backflow prevention, and system optimization
When to Call a Pro:
- Whole-house system installation
- Complex plumbing or older homes
- Commercial properties with code requirements
In most cases, professional installation means fewer headaches and better long-term performance. At Fix Plumbing, we handle the heavy lifting—so you can enjoy crisp, clean water without worry.
Maintenance & Upkeep
Even the best filtration system needs care. Think of it like changing the oil in a car—overlook it, and problems start to build.
What to Watch For:
- Filter Replacement: Most filters need changing every 3–12 months, depending on water quality and usage. Some units have indicators or alarms.
- Flow Rates: A sudden drop in water pressure can mean a clogged filter. Regular checks keep things running smoothly.
- Sanitization: Certain systems (like reverse osmosis or UV units) need periodic cleaning to prevent bacterial growth.
- Professional Inspections: An annual check-up by a licensed plumber can spot leaks, worn parts, or code issues before they escalate.
Tip: Mark your calendar for filter changes, and always use certified replacement parts. Look for filters with NSF/ANSI certification—they meet strict standards for safety and performance.
Choosing the Right System: Key Factors
Before you buy, pause and assess:
-
Water Quality Testing:
Start with a lab test or certified home kit. This reveals what’s in your water—lead, chlorine, bacteria, hardness, or other contaminants. Your results shape which system you need. -
Flow Rate Needs:
How much water do you use at peak times? Undersized systems can slow everything down. -
Filter Certifications:
Stick with products certified by NSF International or the Water Quality Association. This ensures the filter does what it claims. -
Plumbing Setup:
Older pipes, shared walls, or unique layouts might call for custom solutions. Professional plumbers can spot red flags before installation. -
Family Size or Business Use:
More people means more water—and more strain on filters. Restaurants, salons, and daycares may need heavy-duty systems or multiple units.
Real-World Installation Tips
- Clear the Area:
Make space under sinks or near the main water line. Remove clutter and plan for easy filter access. - Shut Off Water:
Always turn off water at the main before starting installation. - Check for Leaks:
After setup, run water and feel for drips at every connection. - Follow Local Codes:
Plumbing code matters—especially for businesses. Permits or inspections may be required.
If your property has unique plumbing—think radiant heating, booster pumps, or backflow devices—tell your plumber up front. The right pro can adjust installation to avoid surprises.
Families, Businesses, and Unique Plumbing Setups 🏢
Every building has its quirks. Here’s how to plan for yours:
For Families:
- Prioritize systems that remove lead, chlorine, and bacteria
- Consider whole-house units if you have infants or elderly relatives
- Ask about filter capacity to match family size
For Businesses:
- Review local health codes (especially for food service or daycare)
- Choose commercial-grade systems with higher flow rates
- Schedule regular maintenance to avoid downtime
For Unique Setups:
- Buildings with old pipes may need pre-filters to catch sediment and rust
- Well water users often require multi-stage systems for iron, sulfur, or bacteria
- Properties with booster pumps or complex plumbing may need custom solutions
Maintenance & Upkeep: Keeping Water Clean Over Time
- Log Filter Changes:
Keep a simple notebook or app reminder for every filter swap. - Annual Testing:
Water quality can change—test periodically, especially after plumbing repairs or local construction. - Check for Recalls:
Occasionally, manufacturers issue recalls on filters or housings. Stay informed by registering your system.
Actionable Steps Before You Buy
- Test Your Water:
Know what you’re up against—don’t guess. - Set Your Budget:
Factor in both upfront costs and ongoing filter replacements. - Map Your Plumbing:
Snap photos or draw a quick sketch for your plumber. - Ask for Certifications:
Demand proof of filter effectiveness. - Plan for Maintenance:
Make sure you—or a trusted plumber—can easily access and service the unit.
Industry Best Practices & Safety
Following code isn’t just paperwork—it’s protection. The Uniform Plumbing Code and International Plumbing Code outline minimum standards for safe installation and backflow prevention. Always use lead-free fittings and certified pipe materials. Never bypass safety valves or pressure-reducing devices.
For businesses, OSHA and local health departments may require regular water testing and system documentation. It’s not just about passing inspections—it’s about protecting people.
Water Filtration FAQ
How do I know which contaminants are in my water?
Start with a certified water test. Many local health departments offer affordable options, or you can use a reputable lab.
How often should filters be replaced?
It varies—anywhere from every 3 months to annually, depending on the system, water quality, and usage. Always follow manufacturer guidelines.
Can I install a water filtration system myself?
Some point-of-use and under-sink models are DIY-friendly. Whole-house systems usually require professional plumbing skills.
What’s the best way to maintain my system?
Log filter changes, test water yearly, and have a plumber inspect your system regularly.
Final Thoughts
A water filtration system is a smart investment, but only when it fits your unique needs. Take your time. Test your water. Talk to a professional.
Ready to upgrade your water quality—or need help deciding? Call Fix Plumbing now — or reach us anytime at 844-623-6444 .