Certified HVAC Technicians
Smile HVAC has responded to heating failures in Whitchurch-Stouffville at -18°C in February and cooling breakdowns during 30°C July heat waves. Those calls shaped how we approach every service visit: we diagnose honestly, repair when repair is the right answer, and never push for a replacement that isn’t needed.
Whitchurch-Stouffville’s seasonal range places year-round demand on both heating systems and cooling systems. Smile HVAC’s TSSA-certified technicians hold gas, plumbing, electrical, and refrigeration licences and carry $5,000,000 in liability insurance.
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A failed ignitor prevents a gas furnace from firing during Whitchurch-Stouffville winters below -15°C. Most ignition failures are resolved on the same service visit
A furnace that starts and stops without completing a full heating cycle accelerates component wear. Dirty flame sensors and oversized units are the leading causes in local homes
Low refrigerant reduces cooling output and forces the compressor to overwork. Diagnostics confirm the leak location before any recharge is performed
A neglected filter restricts airflow through furnaces and air conditioners, raising energy consumption and shortening component lifespan across Whitchurch-Stouffville's demanding seasonal range
A thermostat reading 2°C off causes systems to cycle incorrectly. Seasonal swings between -15°C and 30°C expose calibration drift in older thermostats
Aging ductwork in many Whitchurch-Stouffville homes creates cold spots in winter and warm spots in summer. Duct inspection identifies blockages and leaks driving airflow imbalance
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 Whitchurch-Stouffville .
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.
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
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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.
Stay comfortable year-round with trusted heating and cooling services from Smile HVAC. Call us or send a request and our team will get back to you as soon as possible.
Phone
Business Hours
MON - SUN Open 24 hours
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.
TSSA Contractor
Fully Certified
Best Rated
Always 5 Stars
Honest Prices
Guaranteed
Full Warranty
All repairs are covered
Gas furnaces serve as the primary heat source for most detached houses and townhouses across Whitchurch-Stouffville. Modern high-efficiency models reach AFUE (Annual Fuel Utilization Efficiency) ratings of 95 to 98 percent, according to Natural Resources Canada, converting nearly all consumed fuel into usable heat for the area’s extended winters.
Smile HVAC installs the Lennox ML series as the standard central air conditioner for Whitchurch-Stouffville homes. the ML14XC1 achieves up to 17–18 SEER (≥13.4 SEER2), meeting and exceeding Canada’s minimum efficiency standard as updated under Amendment 17 of the Energy Efficiency Regulations effective January 1, 2023, per Natural Resources Canada.
High-efficiency air conditioners cost more upfront and only start paying for themselves after about 11 years. For a climate where air conditioning runs about three months per year, high-efficiency models are a poor investment for most homeowners. The 14 SEER Lennox ML delivers reliable performance at a cost that makes sense for Canadian use.
Cold-climate Gree heat pumps deliver both heating and cooling from a single system. Cold-climate Gree models operate efficiently down to -25°C and qualify for Ontario government rebate programs.
| Efficiency rating | System type | Best for |
| 95–98% AFUE | Gas furnace (high-efficiency) | Primary winter heating |
| 14 SEER | Lennox ML central air conditioner | Standard summer cooling |
| HSPF 10+ | Gree cold-climate heat pump | Year-round efficiency and rebate eligibility |
Whitchurch-Stouffville technicians consistently find two seasonal failure points in local homes: furnaces with unserviced heat exchangers heading into November, and air conditioners carrying a low refrigerant charge from the previous summer. Twice-yearly maintenance — fall for heating systems, spring for cooling systems — catches both before they become emergency callouts during peak demand.
Fall heating system tune-up:
Spring cooling system tune-up:
Smile HVAC’s Protection Plan starts at $14.99/month for heating or cooling coverage. The Protection Plan covers repair costs, includes free scheduled visits (excluding maintenance), and eliminates emergency call-out fees — preventing unplanned repair costs when Whitchurch-Stouffville temperatures drop without warning.
Whitchurch-Stouffville homeowners upgrading HVAC equipment in 2026 can access Ontario’s Home Renovation Savings (HRS) Program, active through November 2026. High-efficiency heating systems and cooling systems deliver 20 to 30 percent lower annual utility costs compared to equipment rated below 80 percent AFUE or below 13 SEER, according to Natural Resources Canada.
Available rebate amounts under the HRS Program:
Smart thermostats paired with high-efficiency furnaces reduce heating costs by up to 10 percent by optimizing temperature scheduling, according to Energy Star Canada. One Whitchurch-Stouffville homeowner replaced an 80% AFUE furnace with a 96% AFUE Lennox model EL297 in 2025, reducing natural gas consumption for heating by approximately 15–20% during the heating season, depending on home efficiency and usage patterns. Smile HVAC holds Lennox Premier Dealer status, which provides access to full manufacturer warranty coverage for all Lennox installations.
Whitchurch-Stouffville businesses require HVAC systems built for higher occupancy loads and longer daily operating hours than residential installations. Smile HVAC provides commercial heating and cooling services across the area’s retail spaces, office buildings, and light industrial properties. Smile HVAC technicians service Lennox, Carrier, Goodman, and Daikin commercial equipment, along with 30+ additional brands.
Smile HVAC specializes in seasonal maintenance contracts for commercial properties — a structured program that keeps commercial systems compliant with Ontario building ventilation standards and prevents mid-season breakdowns during business hours. Commercial clients receive priority scheduling with same-week service response for maintenance bookings. Every technician is in-house — no subcontractors perform any commercial work.
Commercial HVAC services available in Whitchurch-Stouffville:
Smile HVAC installs, repairs, and maintains both tank and tankless water heaters across Whitchurch-Stouffville. Tankless units heat water on demand and eliminate standby losses. Tank models store 40 to 75 gallons for homes with consistent high-volume demand.
Indoor air quality solutions from Smile HVAC include HEPA filtration, humidifier installation, and HRV (Heat Recovery Ventilator) servicing. These solutions reduce airborne allergens and control humidity within the recommended 30% to 50% range.
Smile HVAC recommends twice-yearly servicing: fall for heating systems before temperatures drop below -15°C, and spring for cooling systems before summer demand peaks. The Smile Maintenance Plan starts at $9.99/month and covers scheduled service for heating or cooling systems. Annual servicing at minimum extends equipment lifespan and prevents emergency HVAC callouts during Whitchurch-Stouffville’s peak seasons.
Watch for a furnace cycling on and off without reaching temperature, yellow or flickering burner flames instead of steady blue, and rising gas bills without any change in usage. Smile HVAC provides a FREE Service Call with every repair — the $120 plus tax diagnostic fee is absorbed into the final repair price. Book online to save 10% on your service call.
Ontario’s Home Renovation Savings Program offers up to $7,500 for a qualifying cold-climate air source heat pump and up to $12,000 for a ground source system, active through November 2026. No energy audit is required for a single heat pump installation. Smile HVAC confirms eligibility and supports each application.
Gas furnaces last 10 to 15 years with annual maintenance. Central air conditioners average 10 to 15 years. Heat pumps run 15 to 20 years. Whitchurch-Stouffville’s wide seasonal range from -15°C to 30°C accelerates wear in systems that miss regular service visits.
Verify TSSA certification for gas work and confirm the contractor carries liability insurance and WSIB coverage. Smile HVAC holds a 5.0-star rating on Google (verify current review count before publication), carries $5,000,000 in liability insurance, and backs all installations with a 10-year workmanship warranty covering labour, not equipment.
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
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Smile HVAC provides HVAC services to homeowners and businesses across Whitchurch-Stouffville communities, including:
Ready to book a service call? Book online at smilehvac.ca and save 10% on your service visit. Furnace emergency? Smile HVAC is available 24/7 at 437-777-4555.
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