AC Repair Servicing the Greater Toronto Area
From leaks to total breakdowns, we fix air conditioning quickly to keep your home's air conditioning running efficiently.
- Expertise and experience
- Affordable rates
- Customer satisfaction
- Regular maintenance plans
- 24/7 emergency services
- Exceptional warranty coverage
Trusted By
+50,000 Customers
Air Conditioning Services We Offer
Repair
Diagnosis & FixIs your air conditioner not cooling as it used to? Don't sweat it; our experienced technicians are well-equipped to handle any repairs needed to get your unit up and running again. We use the latest tools and techniques to diagnose and fix any problems, minimizing downtime and ensuring optimal performance.
Maintenance
Seasonal & Annual PlansPrevent costly repairs and extend the lifespan of your air conditioning unit with regular maintenance from High Efficiency Cooling and Heating. Our maintenance plans include thorough inspections, cleaning, and tune-ups to keep your unit running efficiently. This can also help save on energy costs in the long run.
How Will I Know if My Air Conditioner Needs Repair or Maintenance?
You may have faced issues with your air conditioner if you're a homeowner or renter. A malfunctioning air conditioner can be a tremendous inconvenience, particularly during the summer when it's most needed.
But how can you tell if your air conditioner requires repair or routine maintenance?
Here are some signs that suggest it's time to call a professional for an inspection:
Strange sounds like banging, squealing, or rattling may indicate a malfunctioning part. Addressing this promptly is crucial, as ignoring it can lead to further damage.
If certain rooms in your home are warmer than others or there is weak airflow from the vents, this could signal an issue with your air conditioner.
A sudden increase in your energy bill might be due to an inefficient air conditioner. As units age, they often become less efficient, consuming more energy. If you haven't changed your cooling habits yet notice higher bills, having your air conditioner inspected is wise.
By paying attention to these signs, you can be certain your air conditioner remains in optimal condition, providing comfort when you need it most.
Book AppointmentCommon Air Conditioner Problems
Despite regular maintenance, air conditioners can still face issues. Homeowners frequently encounter the following problems:
Lack of Maintenance
Neglecting regular upkeep can result in dust and debris accumulation, causing the air conditioner to malfunction.
Sensor Problems
Air conditioners use sensors to regulate temperature. A faulty or misaligned sensor can lead to erratic cooling or prevent the unit from starting.
Dirty or Clogged Filters
Filters filled with dirt or debris restrict airflow, making the air conditioner work harder. This can cause overheating or ice formation on the coils.
General Wear and Tear
As air conditioners age, components can wear out, leading to various problems. Regular maintenance is crucial for identifying and preventing potential issues.
Refrigerant Leaks
If the air conditioner isn't cooling properly, a refrigerant leak might be the culprit. Low refrigerant levels reduce efficiency and can overwork the unit.
Compressor Issues
The compressor circulates refrigerant and facilitates the cooling process. Malfunctions can result in poor cooling and increased energy consumption.
Thermostat Issues
A malfunctioning thermostat can lead to temperature fluctuations and uneven cooling. This may be due to a faulty sensor, wiring issues, or incorrect settings.
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.