24/7 HVAC Support 1-866-438-5442
Call Now

Professional Water Heater Repair Services in Ontario for Reliable Hot Water

24/7 Emergency Water Heater repair solutions for speed, safe, and effective hot water restoration

Repair for Both Tank & Tankless Systems

Licensed Technicians for Residential Repairs

Service Scheduled Within 24 Hours

Precise Issue Identification & Targeted Repairs

Clear Explanation Before Work Begins

Restores Consistent Hot Water Flow & Reliability

Fix your water heater before it fails completely. Or before your daily routine is disrupted.

Accreditations

Water Heater Repair Services by LG Home Comfort

LG Home Comfort offers residential water heater repair services focused on accurate diagnostics, safe repair work, and clear communication. Our technicians service both tank-style and tankless water heaters commonly found in basements and utility spaces, diagnosing faults and restoring proper hot water operation when issues occur.

What’s Included in Water Heater Repair?

Water heater repair focuses on identifying the cause of the issue and correcting faulty components. The steps below reflect standard repair practices followed by LG Home Comfort and other established service providers.
Typical water heater repair service includes:
Banner 1 (3) (1)

Common Water Heater Problems That Require Repair

Some issues go beyond routine servicing and usually require professional repair.

No hot water or inconsistent temperature

Hot water may run out quickly or fluctuate unexpectedly, often pointing to heating or control issues.

Water leaks around the unit

Leaks near the tank or fittings can indicate failing components or internal wear that needs repair.

Unusual noises from the tank

Rumbling or popping sounds may signal internal issues affecting system operation.

Slow hot water recovery

If reheating takes longer than usual, internal components may not be working efficiently.

Error codes on tankless systems

Modern tankless water heaters display error codes when a fault is detected, which typically requires repair.

Additional Water Heater Services to Improve
Comfort & Efficiency in Your Home

Shadowy close-up of a gloved hand gripping a pipe under blue light.

Water Heater Installation

At LG Home Comfort our technicians check how hot water your home needs. They make sure the installation follows all rules and get any needed permits. This way your new water heater is the size, connected safely and works well from the start.

Water Heater Maintenance

Regular maintenance by our certified technicians, at LG Home Comfort helps your water heater work efficiently. They remove any buildup check parts and find potential problems before they cause your water heater to break down and disrupt your daily life.
Woman applying a maintenance sticker to a Bradford White water heater.

Why Homeowners Choose LG Home Comfort for
Water Heater Repair

LG Home Comfort provides water heater repair services focused on reliable results, clear communication, and trained technicians.

Certified technicians

Professionals trained to repair tank and tankless water heaters safely.

Experience with tank and tankless systems

Repair support for modern tankless units and traditional tanks.

Water heater repair within 24 hours

A technician is scheduled to attend your home within 24 hours to restore hot water.

Clear repair process

Issues and repair steps are explained before work begins.

Warranty-covered repairs

Covered repairs completed according to applicable warranty term

What Our Customers Say

Google Icon
Areas We Serve

Expert Water Heater Repairs Across Ontario Communities

Don’t let a cold shower or a leaking tank ruin your day. LG Home Comfort delivers fast, specialized water heater repairs for homeowners from the GTA to Milton, Halton Hills, Georgetown, and beyond.

Our licensed technicians travel in fully stocked service vehicles, ready to repair faulty gas valves, electrical heating elements, or severe sediment buildup. We eliminate the hassle, protect your property, and safely restore your hot water in a single visit.

Loading map...
Vaughan
301 Bradwick Drive,
Vaughan, ON L4K 1K5, Canada
Kitchener
20 Hanson Ave,
Kitchener, ON N2C 2E2, Canada
Mississauga
7885 Tranmere Dr,
Mississauga, ON L5S 1V8, Canada
Ottawa
17 Grenfell Crescent Unit 7,
Ottawa, ON K2G 0G3, Canada
Traditional tank water heater beside an LG Home Comfort tankless model.

We Service All Major Water Heater Brands

Bradford White water heaters logo
The Tankless logo
Rinnai logo
Don't see your brand?

We service all makes and models.

Frequently Asked Questions

When Should I Call For Water Heater Repair?

Water heater problems often become noticeable through changes in hot water availability or system behaviour. When these signs appear, professional repair is usually needed to restore safe and reliable operation. 

Common signs you may need water heater repair include: 

  • No hot water – The system stops producing hot water entirely during normal household use.  
  • Sudden or inconsistent water temperature – Water turns cold unexpectedly or fluctuates while showers or taps run. 
  • Water leaking around the unit – Moisture or pooling water appears near the tank or pipe connections. 
  • Unusual noises from the water heater – Rumbling, popping, or vibrating sounds come from inside the tank. 
  • Slow hot water recovery – The system takes much longer than usual to reheat water. 
  • Error codes on tankless systems – Digital error codes indicate internal faults needing professional repair. 
  • Discoloured or rusty hot water – Water appears brown or rusty, suggesting internal wear or corrosion. 

LG Home Comfort offers emergency water heater repair for urgent issues such as leaks or no hot water. A trained technician can arrive within 24 hours to inspect the problem, explain the cause clearly, and carry out repairs or recommend the best solution to restore reliable hot water safely. 

Yes, LG Home Comfort offers emergency water heater repair for situations such as leaks, no hot water, or safety concerns. Availability depends on scheduling, but homeowners are encouraged to contact customer support as soon as an issue occurs to determine the fastest service option.

Most water heater repairs are completed within one to three hours, depending on the issue and part availability. Minor repairs are often resolved quickly, while more complex problems may take longer. After diagnosing the issue, technicians explain the expected repair time before work begins.

LG Home Comfort provides maintenance and repair services for all the water heater systems we sell and install. Our technicians are trained and experienced with these specific water tank and tankless water heater models, allowing us to service them accurately and efficiently.

For water heaters purchased from LG Home Comfort, repairs are covered at no cost during the applicable warranty period. Coverage may vary based on parts and warranty terms. For repairs outside the warranty period, homeowners can contact customer service to receive accurate pricing based on the specific issue.

Our Latest Blogs

Discover expert insights, tips, and guides for your home comfort
Back to Top
Advisors available right now

We'll Get Back to You Quickly.

No queues. No hold music. Submit your details and our team will reach out shortly to discuss your home comfort needs.

Submit this form and we'll call you back quickly. Please keep your phone nearby.
Call Back Form

By clicking Submit, you agree to send your info to LG Home Comfort who agrees to use it according to their privacy policy.

4.6★
Google Rating · 2,800+ reviews
100000+
Families Served
24/7
Service across Ontario

You're in the queue, there!

An advisor is preparing your callback. We'll dial you in:

Calling you in
3:00
Stay near your phone
We're calling
Make sure your phone is unlocked and not on Do Not Disturb.

Calling you now…

Your phone should be ringing.

CONNECTING

Connecting You Now

We're opening your phone so you can speak directly with the right team.

Your phone dialer will open automatically.
Request Received

Thank You, there!

Thanks for contacting LG Home Comfort! One of our Home Comfort Advisors will be in touch with you shortly during our business hours. Mon–Fri: 8 AM–9 PM   |   Sat–Sun: 9 AM–7 PM