Furnace Repair and Maintenance in GTA
Our technicians provide reliable furnace repair and preventative maintenance across the GTA to guarantee year-round home warmth and comfort.
- Expertise and experience
- Affordable rates
- Customer satisfaction
- Regular maintenance plans
- 24/7 emergency services
- Exceptional warranty coverage
Trusted By
+50,000 Customers
Furnace Services We Offer GTA Residents
Repair
Diagnosis & FixIf your furnace is not working properly or has completely stopped functioning, our highly trained technicians can quickly diagnose and fix the issue. We use advanced tools and techniques to ensure a prompt and lasting repair.
Maintenance
Seasonal & Annual PlansRegular maintenance is vital to keep your furnace running smoothly and efficiently. Our maintenance services include thorough inspections, cleaning, and tune-ups to identify and prevent any potential issues. We also provide filter replacements and ensure all components are functioning correctly.
How Will I Know if My Furnace Needs Repair or Maintenance?
If you're a homeowner or renter, you may have encountered issues with your furnace before. A broken furnace can be a major inconvenience, especially during the winter months when it's needed most.
But how do you know if your furnace needs repair or just regular maintenance? If you notice any of the following, it's best to call a High Efficiency for an inspection:
If your furnace is making strange sounds like banging, squealing or rattling, this could be a sign of a malfunctioning part. It's important to get this checked out right away as it could lead to further damage if left untreated.
If you notice that some rooms in your home are colder than others or if there is weak air flow coming from the vents, this could indicate a problem with your furnace.
If you've noticed a sudden increase in your energy bill, it could be due to an inefficient furnace. As furnaces get older, they tend to become less efficient and use more energy to function properly. If you haven't made any significant changes to your heating habits but are still seeing higher bills, it's best to have your furnace checked.
Common Furnace Problems
Even with regular maintenance, furnaces can experience problems.
Some of the most common issues homeowners may encounter include:
Lack of maintenance
Not scheduling regular maintenance can lead to a build-up of dust and debris in the furnace, causing it to malfunction.
Ignition or pilot light problems
If the furnace is not turning on, it could be due to an issue with the ignition or pilot light. A faulty sensor, dirty components, or a gas supply issue could cause this.
Blower motor problems
The blower motor is responsible for distributing heat throughout your home. If it malfunctions, it can result in poor airflow and heating issues possibly due to a faulty motor, belt, or bearings.
Dirty or clogged filters
A dirty or clogged filter restricts airflow, making the furnace work harder and potentially leading to overheating.
Thermostat issues
A malfunctioning thermostat can cause temperature fluctuations and uneven heating in your home. This could be due to a faulty sensor, wiring issues, or incorrect settings.
General wear and tear
As furnaces age, their components can wear out and lead to various issues. This is why regular maintenance is essential for identifying and preventing potential problems.
The High Efficiency Difference?
Our customers choose High Efficiency because of the commitment in quality service, and predictable fair pricing. Our team is comprised on licensed and experienced professionals and our work is backed by multi-year warranty. With High Efficiency, customers get a peace of mind that the job is done right, even when you don't know where to look.
Licensed And NATE Certified Technicians
Our technicians are licensed, insured, and NATE certified, giving you complete peace of mind. Licensed with additional in-house training, our team is prepared to deal with various HVAC equipment issues and failures.
Continuous Care Made Easy
We know your equipment, service history, and maintenance needs—so every visit is convenient, informed, and proactively managed.
20+ Years Serving the GTA
Founded in Markham in 2005, we know GTA homes, condo buildings, and commercial properties inside and out.
Stellar Reputation, 5 Star Reviews
Our reputation is built one honest job at a time. Read what your neighbours are saying on Google.
See our Google ReviewsReady to Get Started?
Our four-step process makes your project as easy as can be!
Our team will evaluate your space or troubleshoot your existing equipment to discuss your specific needs, budget, and system requirements.
We'll provide you with a detailed, upfront quotation and agreement outlining the complete scope of the installation or repair work.
Our team of experienced technicians will perform the installation or repair quickly, efficiently, and to the highest industry standards.
Once the job is complete and tested, you can enjoy the reliable comfort, safety, and convenience of your fully functioning HVAC system!
Proudly Serving Toronto
and the Greater Toronto Area
High Efficiency provides professional HVAC services to homeowners, condominium communities, and businesses across the GTA, including same-day and next-day appointments in many service areas.
What GTA Homeowners Are Saying






Contact Us With Your HVAC Needs
High Efficiency Cooling & Heating offers reliable HVAC solutions that meet your needs and budget. Our experienced team ensures you get the perfect system for your home or business, from consultation to installation. We look forward to helping you find the best cooling & heating solution for your needs.