1-866-438-5442 
Heating & Cooling
Water & Air Quality
Home Security
Commercial Solutions
Why Is My Water Heater Making Noise? Understanding the Sounds and How to Fix Them
If your water heater suddenly starts popping, rumbling, hissing, or banging after operating quietly, it’s more than irritating, and it’s a sound you shouldn’t ignore.
PROUDLY CANADIAN 
Your Comfort Is
Our Mission
24/7 Emergency service across Ontario
Locally Owned & Operated
Licensed & Certified Technicians
Free In-Home Assessment
Monthly Payment Plans
Full parts & labour warranty on all Installations
24/7/365 Service
Local Experts
4.6-Star Rated
Toronto
Verified Customer
London
Verified Customer
Mississauga
Verified Customer
Keep your home comfortable with LG Home Comfort. Our professional, punctual HVAC technicians serve homeowners across Ontario, providing heating, cooling, indoor air quality, water purification, maintenance, and system upgrades. As a TSSA-registered contractor, we offer service every day, backed by 24/7 phone support whenever you need assistance.
We arrive on time with fully equipped vans to get the job done in one visit so your home stays comfortable, clean, and healthy without delays. Find your city below to connect with a local expert near you, or call us to confirm same-day availability in your area.
Looking for answers about HVAC services in Ontario?
Explore our FAQ section to learn about HVAC repair, installation costs, maintenance, and how to choose a reliable HVAC contractor near you. LG Home Comfort helps homeowners make smart decisions.
Yes. LG Home Comfort provides 24/7 telephone support. Call us anytime, and our team will assess your situation and help arrange the appropriate service.
Yes, LG Home Comfort’s certified technicians service, repair, and maintain all makes and models of furnaces, central air conditioners, heat pumps, boilers, and water heaters across Ontario, regardless of the brand or age of your existing equipment.
We are also an authorized installer and dealer for a wide range of industry-leading brands, including Carrier, Lennox, Trane, Navien, Rinnai, Noritz, Aprilaire, AO Smith, Bradford White, Ecobee, Midea, Gree, Excalibur, Kholer and more.
Whether your system is a 20-year-old unit that needs expert repair or a brand-new high-efficiency installation, our technicians arrive equipped with the parts and training to get the job done right the first time.
A cold-climate heat pump is an energy-efficient option for heating and cooling an Ontario home. Some models can operate at temperatures as low as −30°C (−22°F).
For added comfort during extreme cold, a hybrid system combines a heat pump with a gas furnace. The heat pump handles moderate temperatures, while the furnace provides backup heating when needed.
Eligible systems may qualify for Ontario’s Home Renovation Savings Program. Eligibility depends on the home, equipment and current program requirements.
Call LG Home Comfort at 1-866-438-5442 to compare your options.
A standard annual HVAC maintenance plan from LG Home Comfort includes a fall furnace tune-up (heat exchanger inspection, burner cleaning, flue check, filter replacement, safety controls test) and a spring AC tune-up (coil cleaning, refrigerant level check, electrical inspection, drain flush). Plans also include priority emergency dispatch, discounted service call fees, and documentation required to maintain manufacturer warranties.
Research consistently shows that annual maintenance reduces the likelihood of a mid-season breakdown by over 60% and extends equipment lifespan by 3-5 years delivering significant long-term savings compared to the plan cost.
Yes. LG Home Comfort is fully licensed, insured, and TSSA-certified to perform HVAC installations, repairs, and maintenance across Ontario. All our technicians hold the required TSSA (Technical Standards and Safety Authority) certification and carry full liability insurance, so every job is completed safely, professionally, and in full compliance with Ontario building codes.
LG Home Comfort offers 24/7 customer support. If you have a concern about your service, contact our team directly at 1-866-438-5442 and provide your service details and a clear description of the issue so we can review your concern and determine the appropriate next steps.
If your water heater suddenly starts popping, rumbling, hissing, or banging after operating quietly, it’s more than irritating, and it’s a sound you shouldn’t ignore.
Air conditioners may show warning signs before a failure, although some equipment problems can occur suddenly or with little warning. If your AC stops working
These basic AC troubleshooting and maintenance steps do not require handling refrigerant or servicing high-voltage components. Homeowners can safely perform some simple checks, but electrical
Always available when you need us
Serving local communities
2800+ Reviews
