Clogged Toilet Repair in St. Catharines
Toilet trouble can throw off your entire day, and fast. From slow flushing to clogs, leaks, and overflowing bowls, these aren’t issues you want to leave sitting. At Mr. Furnace Heating and Air Conditioning, we’ve spent over 47 years helping homeowners across St. Catharines tackle toilet problems head-on. Whether it’s a simple blocked drain or a serious overflow, our licensed plumbing pros fix the issue promptly and permanently.
We get straight to the source of the problem, and we don’t just patch things up. With professional tools, same-day response, and top-notch service, we make sure your toilet’s back in action with zero guesswork.

Clogged, Leaking, or Overflowing Toilet? We Fix It Fast!
Toilet issues don’t fix themselves. That’s why Mr. Furnace offers fast, reliable, and lasting repairs to restore your bathroom’s function. From simple clogs to constant leaks and full-blown toilet backups, we handle it all with care and expertise. We offer 24/7 emergency service too—because plumbing problems never show up on schedule.
Clogged Toilets – Stop Plunging for Good
Still plunging that same toilet every week? Let us take care of it. Whether the blockage is in the bowl or deep in your drain line, our plumbers clear it completely. No more guesswork—just smooth flushing from here on out.
Leaking Toilets – Prevent Costly Water Damage
Leaks can waste hundreds of litres of water per day—not to mention the damage they can cause to your flooring or walls. Our team finds and fixes leaks at the source, so you stop paying for water you’re not even using.
Overflowing Toilets – Emergency Help When You Need It
An overflowing toilet can be a homeowner’s worst nightmare. We respond immediately to stop the water, resolve the blockage, and disinfect the area. Our plumbers restore safe conditions fast and explain how to prevent it from happening again.
Our Simple Toilet Repair Process
Toilet troubles are stressful. Getting them fixed shouldn’t be. Mr. Furnace makes the entire process simple and stress-free. Here’s how it works:
1
We listen carefully to your concerns and assess the situation. Our plumber performs a complete diagnostic of the toilet, flushing system, and nearby drain lines. We explain the issue in plain language and provide a transparent, up-front quote for the repair.
2
Our licensed technician carries out the repair using proven techniques and quality replacement parts. Whether it’s a flange fix, fill valve replacement, or deep drain cleaning, we do the job right the first time.
3
Once the toilet is functioning perfectly, we perform a final inspection and walk you through the results. We clean the workspace, test for leaks, and leave your bathroom in top condition—no mess left behind.
Why Choose Mr. Furnace for Your Toilet Repair
Local Experts
We’ve served the Niagara community for nearly five decades. We understand the local infrastructure, common toilet issues in older homes, and how to protect your plumbing from recurring problems.
Continuous Learning
Our plumbers complete ongoing training on the latest tools and plumbing systems while bringing years of practical, hands-on experience to every repair. We don’t guess—we fix.
24/7 Emergency Support
Toilet issues don’t wait until morning. That’s why we’re on call 24/7, 365 days a year. Whether it’s a weekday backup or a weekend flood, our emergency team will be there in a flash.
Customer-Focused
We treat your home with respect, keep you informed every step of the way, and make sure the job’s done right. Our goal? No stress, no mess—just solid plumbing work you can count on.
Contact Mr. Furnace Today for Your Toilet Repair
From clogged toilets to complete overflows, we handle every type of toilet repair with speed and care. Don’t wait for a small problem to become a big one.

FAQs About Toilet Repairs
What Are the Benefits of Professional Toilet Repair?
- Avoid water damage from leaks or overflow
- Reduce monthly water bills
- Improve toilet efficiency and hygiene
- Extend the lifespan of your fixtures
- Rest easy knowing the issue is resolved correctly
How Do I Know if My Toilet Requires Professional Repair Instead of a DIY Fix?
If your toilet won’t flush properly, keeps clogging, or leaks around the base, it’s time to call us. DIY solutions may offer quick relief, but they don’t get to the root of the issue. A licensed plumber can spot problems others miss and fix them properly the first time.
What Should I Do if My Toilet Is Overflowing?
Shut off the water supply behind the toilet immediately. Avoid flushing again. If plunging doesn’t work or water is still rising, call us right away. Overflowing toilets can lead to structural and sanitary problems fast.
How Long Does a Clogged Toilet Repair Take?
Most repairs take under an hour—but more complex problems may take longer. We’ll give you an accurate estimate once we’ve assessed the issue. Either way, we’ll keep disruptions to a minimum.
How Do I Prevent My Toilet from Clogging?
To prevent toilet clogs, follow these tips:
- Never flush wipes, paper towels, or hygiene products
- Avoid chemical drain cleaners—they can damage plumbing
- Keep a plunger handy for minor blockages
- Schedule annual plumbing checkups if your home has older pipes
Have recurring issues? We’re here to help. Reach out and we’ll make sure your toilet troubles are flushed away for good.