Replacement filters & service · London, Ontario
Water Filter Replacement & Service in Southwestern Ontario
Expert filter replacement, installation, and maintenance for homes and businesses. Order 7-Stage replacement filters online, or book a technician to service your water system.
Prefer to call? (519) 686-3595
- Serving Southwestern Ontario since 1999
- 4.9 from 2,300+ Google reviews
- In-home or direct-to-door service
- Locally owned & operated
Replacement filters
Order Your Reverse Osmosis Replacement Filters Online
Own an Advanced 7-Stage Water Station? Its 7-Stage Reverse Osmosis Replacement Filters (7QCRO) come in two packs, in our online store.
7QCRO Filters #1, 2 & 3
The primary replacement filters: sediment, granular activated carbon, and carbon block. We recommend replacing them every 1 to 2 years on average.
Order online
7QCRO All Filters #1 to 7
The full set: filters #1, 2, and 3, plus the RO membrane, ceramic, re-mineralizing, and carbon block filters (#4 to 7), which typically last 3 to 5 years, depending on usage.
Order online
Have a different system? Call (519) 686-3595 to purchase replacement filters for your water system, or book a visit. If you’re unsure what system you have, we can identify it during your service visit.
Water treatment & filtration service
Protect Your Family with Professional Water Filtration Services in Southwestern Ontario
Water filtration isn’t just a luxury—it’s essential for clean, healthy living in today’s environment. Across Southwestern Ontario, issues like lead, chlorine, hard water, and industrial contaminants are more common than most homeowners realize.
At Platinum Air Care, we provide trusted, expert-level water filtration solutions tailored to your needs. Whether you need replacement filters, system maintenance, or help choosing the right product, our certified technicians make sure your system keeps delivering clean, great-tasting water.
Enjoy peace of mind with fast delivery and the option for in-home or direct-to-door service. With over 25 years of experience serving homes across London, St. Thomas, Woodstock, Sarnia, and surrounding areas, you’re in safe hands with Platinum Air Care.
We service, install, and maintain:
- Reverse Osmosis Systems For pure, great-tasting drinking water.
- Water Softeners & Conditioners Eliminate hard water, limescale, and mineral buildup.
- Whole-Home Water Filtration Units Filter every drop of water entering your home.
- UV (Ultraviolet) Disinfection Systems Kill bacteria and viruses, especially in well water.
- Chloramine & Chlorine Reduction Filters Improve the taste and smell of your tap water.
- Lead & Heavy Metal Removal Filters Reduce lead and heavy metals in your drinking water.
- Sulfur, Manganese, & Iron Reduction Systems Prevent odor, staining, and damage to fixtures.
- Hydrocarbon & VOC Filters Ideal for areas with known industrial or groundwater concerns.
- Taste & Odor Improvement Filters Upgrade everyday drinking and cooking water.
Service areas include:
- London
- St. Thomas
- Sarnia
- Woodstock
- Chatham-Kent
- Brantford
- Stratford
- and more
Filter change intervals
How Often Should You Replace Your Water Filters?
The replacement schedule for water filters depends on the type of system and the quality of your water.
Advanced 7-Stage Water Station
- Filters #1, 2 & 3 Sediment, granular activated carbon, and carbon block.Every 1–2 years on average
- Filters #4 to 7 RO membrane, ceramic, re-mineralizing, and carbon block. Timing depends on usage.Every 3–5 years
Further details on consumption are listed on each filter.
Other water systems
For other reverse osmosis units, softeners, UV, and whole-home systems, here are general guidelines:
- Sediment and carbon filtersEvery 6–12 months
- Reverse osmosis membranesEvery 2–3 years
- UV lampsEvery 12 months
- Water softener resin/mediaEvery 7–10 years
Homes with hard water, well water, or high sediment levels may need more frequent changes. Replacing your filters on time helps maintain water quality and system performance, and protects your plumbing and appliances.
For best results, follow the manufacturer’s recommendations or contact our team for guidance on your specific water filtration system.
Book water system service
Book a Water Filter Service Appointment with Platinum Air Care
Need a filter replacement, system repair, or routine maintenance? Our certified technicians at Platinum Air Care provide fast, professional water filtration service throughout Southwestern Ontario, including London, St. Thomas, Sarnia, Chatham-Kent, and surrounding areas. Fill out the form below or call us directly to schedule your appointment and keep your water system performing at its best.
- Locally owned & operated
- Certified technicians
- Serving homes since 1999
Call (519) 686-3595 or toll-free 1 (877) 339-4701
Just need filters? Order from our Canada store or USA store.
Common service requests
- Filter and media replacement
- UV lamp replacement and inspection
- Water quality issues returning
- Low water pressure or flow issues
- Taste, odor, or staining concerns
- System not performing as expected
