Certified HVAC Technicians
Smile HVAC delivers HVAC services tailored to Milton’s climate conditions: furnace repair, air conditioner installation, heat pump service, and water heater and boiler maintenance. Smile HVAC holds TSSA certification and operates by five rules: First Time Quote, No Hidden Fees, No Program Change Fee, No Cancellation Fee, and Rent to Own. HVAC repair in Milton reveals consistent failure patterns across gas furnaces, heat pumps, boilers, air conditioning systems, and water heaters. HVAC Services in Milton include Preventive Maintenance Programs that catch most of these failures before they escalate.
Open 24/7 with office staff
Choose your service
Cooling Services
Heating Services
Water Treatment
Additional Services
Ignition failure and short cycling are the most frequent winter calls. Units that missed their fall service are most at risk when temperatures drop in November
Кefrigerant leaks and defrost cycle failures reduce heating output through Milton's cold months. Low charge accelerates compressor wear
Сompressor failure is among the most costly HVAC breakdowns, often triggered by dirty coils or undetected refrigerant leaks. Units over ten years old carry the highest risk
Зressure drops, zone valve failure, and pilot light issues are typical in older Milton homes with hydronic heating systems
Sediment buildup from hard water throughout Ontario shortens tank lifespan. Element failure causes an inconsistent hot water supply
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 Milton .
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.
Todd Wilkie
Apr, 2026
Mr. CHIN
Apr, 2026
Bon Orallo
Apr, 2026
MoreLess
R. J Sum
Apr, 2026
MoreLess
Danny Ren
Mar, 2026
MoreLess
Blair Baxter
Mar, 2026
S Hammie
Feb, 2026
MoreLess
Devika Shah
Feb, 2026
MoreLess
Derek Smith
Feb, 2026
MoreLess
Alexander Miretsky
Jan, 2026
Smile HVAC did a great job installing a new furnace for us. Karl arrived quickly and performed a thorough diagnostic. Valery installed the new furnace the very same day, and Genady provided a fair price and coordinated everything seamlessly.
All the work was completed quickly and professionally—even on a bitterly cold winter day at –15°F. Truly top-tier service. We really appreciate everyone’s efforts!
MoreLess
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
Milton, Ontario has a humid continental climate with January averages of -5.2°C and July highs regularly exceeding 30°C. These Milton Climate Conditions necessitate specialized HVAC solutions: cold-climate heat pumps, high-capacity furnaces, and air conditioning systems with dedicated dehumidification capacity.
Milton sits at 199 metres above sea level on the Niagara Escarpment. Lower areas like Old Milton experience colder winters than properties above the escarpment. This elevation difference affects furnace sizing in ways that square footage estimates regularly miss.
Key factors requiring specialized HVAC solutions in Milton:
According to Natural Resources Canada’s residential energy use data, space heating accounts for approximately 61% of total energy use in the average Canadian home — the single largest household energy expense. Selecting correctly sized, efficient equipment cuts that cost directly. Energy Star certifies high-efficiency HVAC systems meeting strict Natural Resources Canada performance standards.
For air conditioning, the Lennox ML14 at 14 SEER delivers reliable performance across Canada’s three-month cooling season. High-efficiency central AC models rated above 14 SEER take 11 or more years to recover their cost premium through energy savings — not the practical choice for most Milton households.
Ontario’s Home Renovation Savings (HRS) Program, delivered by Enbridge Gas and Save on Energy (IESO), provides rebates on qualifying HVAC upgrades through November 2026. Milton Hydro customers connected to the Ontario electricity grid qualify under the Single Upgrade path, with no energy assessment required.
How to apply for HVAC rebates in Milton:
Milton’s four-season climate places distinct demands on heating and cooling systems throughout the year. Lake Ontario sustains elevated humidity well into September, forcing air conditioning systems to run longer dehumidification cycles than in comparable inland Ontario cities. Outdoor condenser units near the lakeshore also experience faster corrosion without regular maintenance.
A bi-annual service approach prevents most mid-season breakdowns. Smile HVAC offers the Smile Maintenance Plan at $9.99/month and the Smile Protection Plan at $14.99/month. The Protection Plan covers repair costs on both heating and cooling systems throughout the year.
Spring tune-up (cooling system preparation):
Fall tune-up (heating system preparation):
A new gas furnace for a 2,000 sq ft Milton home costs $4,000–$7,000 installed. Central air conditioner installation ranges $4,500–$9,000. A combined furnace and AC replacement typically runs $8,000–$14,000. Smile HVAC issues a First Time Quote — the price does not change after work begins.
Apply the $5,000 rule: multiply system age in years by the repair estimate. If the result exceeds $5,000, replacement is typically more cost-effective. Systems older than 15 years with recurring failures almost always cost less to replace than to continue servicing.
Verify TSSA certification and written pricing before hiring. Smile HVAC operates by five rules: First Time Quote, No Hidden Fees, No Program Change Fee, No Cancellation Fee, and Rent to Own.
Cost depends on system age, brand, parts availability, and repair complexity. Smile HVAC charges a $120 diagnostic fee. For straightforward problems, $120 is the total charge. When parts replacement is needed, the $120 is deducted from the final repair price. No additional fees apply after the quote is accepted.
Regular HVAC maintenance in Milton extends system lifespan by 3–5 years and reduces energy bills. Annual inspections also preserve manufacturer warranty coverage. The Smile Maintenance Plan covers service at $9.99/month. The Smile Protection Plan covers repairs at $14.99/month. Both include emergency service at no extra charge.
Renting a furnace from Smile HVAC starts at $50/month and includes installation and emergency repair with no upfront cost. Buying eliminates monthly fees over time. A Rent to Own option with no credit check is also available for Milton homeowners who prefer a path toward ownership.
Watch for short cycling, yellow burner flames, banging at startup, uneven heat between floors, or rising gas bills without usage changes. Yellow flames indicate incomplete combustion and require immediate inspection.
Smile HVAC repairs all major HVAC brands in Milton — Lennox, Carrier, Goodman, Daikin, Trane, Rheem, and 30+ additional manufacturers. All technicians are in-house employees, not subcontractors. A free service call is included with every confirmed repair.
Ontario’s Home Renovation Savings Program provides Milton homeowners rebates up to $7,500 for cold-climate air source heat pumps and up to $12,000 for ground source systems. The program runs through November 2026. Smile HVAC guides customers through eligibility and application at no additional charge.
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
Read our latest articles
