Trusted Technicians in Markham
Smile HVAC has delivered AC repair across Markham and the GTA for over 15 years. All in-home technicians hold TSSA certification, with licences. Climate records for Markham, Ontario show July highs averaging 26°C, with recorded peaks reaching 37.8°C. Extended high-load cycles from summer heat accelerate compressor and capacitor wear in residential AC systems. Smile HVAC’s AC diagnostic process identifies each root cause before any repair is proposed.
Smile HVAC follows a structured four-step repair process on every Markham service call. In-home technicians hold licences in refrigerant, electrical, and plumbing. Each licence covers a specific technical competency required across the repair process.
All work complies with TSSA regulations and Ontario’s CSA B52:2023 Mechanical Refrigeration Code.
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Low refrigerant forces the AC compressor to overwork, reducing cooling output. Leaks require a TSSA-certified technician for detection and sealing
Clogged filters restrict airflow and freeze the evaporator coil, stopping cooling. Replace air filters every 60 to 90 days to prevent this failure
Failed capacitors and electrical faults stop compressor startup, causing no-cool failures during Markham's peak summer demand
A thermostat off by two or three degrees causes short-cycling. Markham's rapid seasonal transitions expose calibration errors before you notice higher energy bills
We begin with a thorough assessment of your Heating Systems or Air Conditioning Systems. Our technicians identify the root cause of the issue, explain the problem clearly, and provide transparent recommendations for HVAC repair in .
Once approved, we perform precise repairs using quality parts and proven methods. Whether it’s a furnace, air conditioner, or full system upgrade, we ensure your equipment operates safely and efficiently.
After completing the work, we test the entire system to confirm peak per formance. We also provide maintenance tips to help prevent future breakdowns and keep your HVAC system running reliably in ever y season.
Maintenance, protection, or both — backed by our installation and our work.
Starting from
$ 999
/ MONTHAnnual tune-ups for your heating or cooling system to keep it running efficiently and catch small issues before they become expensive ones.
Starting from
$ 1499
/ MONTHUnlimited parts coverage on systems we install — including the heat exchanger, compressor, and refrigerant.
Popular
Starting from
$ 2100
/ MONTHThe complete package: yearly tune-ups plus unlimited parts coverage. Total peace of mind, one monthly price.
Why Smile Protection is different
Most HVAC protection plans in Canada cap repair coverage at $500–$600 per year. Ours doesn't.
When Smile HVAC installs your system, we stand behind it with truly unlimited parts coverage — including the components other plans exclude or limit:
Heat exchanger
Compressor
Refrigerant
All other parts
No deductibles. No payment caps. No labour costs, for 10 full years.
We're proud enough of our installation work to put unlimited coverage behind it. Available only on systems we install.
Michael T.
Apr, 2026
Smile HVAC is a great place for those who love to work and who are looking for professional growth.This job will provide you with opportunities to learn new skills, steadily growing wage and stable income.
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Todd Wilkie
Apr, 2026
Mr. CHIN
Apr, 2026
Bon Orallo
Apr, 2026
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R. J Sum
Apr, 2026
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Danny Ren
Mar, 2026
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Blair Baxter
Mar, 2026
S Hammie
Feb, 2026
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Sundeep M.
Feb, 2026
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Devika Shah
Feb, 2026
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We provide the best and honest prices in the GTA area and delivery the best quality work. We believe in integrity and provide honest advice to all our customers and make them aware of the work needed. This helps in maintaining a trustworthy relationship with customers.
Smile HVAC is built on the trust and quality we have been delivering through our services. These are the basis of our company and we continue to hold the standards up. We offer a full range of services and have expertise in furnace installation & repair and ac installation services.
When it comes to paying for the work done or the services offered, we care about your comfort. We have multiple payment options to pay and also offer affordable ways to pay for the job done. Giving our customers the ease and flexibility to pay.
All our technicians are fully licensed for working and are trained with the best of knowledge and hands-on experience. They not only complete their job but go the extra mile on educating the customer about the issue and deliver expert advice.
Smile HVAC is authorized and licensed to service over 30 brands, so if you own any HVAC equipment from these brands, you don’t need to call two companies. Smile HVAC will help you solve all HVAC-related issues and will assist with repairs and installations. We work with all brands including Lennox, Goodman, Amana, Keeprite, Bryant, Daikin, Carrier, York, Trane, Comfortmaker, Payne, Tempstar, Rheem, Ruud, and Mitsubishi Electric
For Business
Smile HVAC promises you a pleasant HVAC experience in Markham, backed with the following features:
TSSA Contractor
Fully Certified
Best Rated
Always 5 Stars
Honest Prices
Guaranteed
Full Warranty
All repairs are covered
Preventative maintenance extends AC system lifespan and reduces repair frequency. Smile HVAC recommends annual service, aligned with Natural Resources Canada’s home energy guidance.
A well-maintained central air conditioner lasts 10 to 15 years. Smile HVAC’s Heating or Cooling Maintenance Plan starts at $9.99/month, covering seasonal tune-ups with priority booking for you.
A central AC unit installed over a decade ago typically carries a SEER rating of 10 or below. A 10 SEER system uses about 29% more electricity than a Lennox ML 14 SEER unit under equivalent cooling conditions, based on Natural Resources Canada’s EnerGuide SEER methodology.
Canada’s AC season runs about three months per year. High-efficiency units above 14 SEER carry higher upfront costs. Based on Smile HVAC’s assessment of GTA installations, the payback period on a high-efficiency upgrade exceeds 11 years for homes using AC approximately three months annually. The Lennox ML 14 SEER remains the practical choice for most installations.
New AC systems installed from 2025 use A2L refrigerants such as R-454B. New AC installations carry a 10-year workmanship warranty on Smile HVAC’s labour, with equipment warranty terms varying by brand and model.
Smile HVAC charges $120 plus tax for a diagnostic service call. If repair proceeds, that fee is deducted from the final price. Minor repairs such as capacitor replacement run $200 to $400. Compressor or refrigerant circuit repairs cost more. Call us for a written quote before work starts.
Book a diagnostic when your AC blows warm air, short-cycles every few minutes, makes unusual noises, shows ice on the indoor or outdoor unit, or triggers a sudden electricity bill spike. These signs point to refrigerant leaks, electrical faults, or airflow restrictions. All worsen without professional repair.
Verify TSSA certification for refrigerant work and confirm the contractor uses in-home technicians rather than subcontractors. Ask for a written quote before work starts. Smile HVAC holds TSSA certification, licences, $5,000,000 in liability insurance, and a No Hidden Fees policy on every job.
Apply the $5,000 rule, a widely used HVAC industry guideline: multiply the system’s age in years by the estimated repair cost. A result above $5,000 suggests replacement is the better path. A 12-year-old AC needing an $800 repair scores $9,600, pointing toward a new Lennox ML installation.
AC repair costs reflect TSSA certification requirements for refrigerant handling and the technical complexity of sealed refrigerant circuits. Ontario’s 2025 shift to A2L refrigerants requires updated technician training and specialized tools.
Compressor replacement is the most expensive single AC repair, typically running $1,200 to $2,500 in parts and labour on a mid-size central system. For units over 10 years old, full system replacement is often more cost-effective than compressor-only repair, given Canada’s three-month AC season.
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