Special offer
Cool Down Event
Save on qualifying Lennox home comfort solutions for a limited time.
View offerMon–Sun 9am–5pm24/7 Emergency
24/7 emergency HVAC service
Heating or cooling emergency? Call now for immediate help.
GLOBAL
COMFORT AIRCertified HVAC Specialists
Dave Lennox
Award Recipient
COMFORT AIRCertified HVAC Specialists
Lennox Authorized Dealer
Dave LennoxAward Recipient
Proudly Serving Toronto – GTA Since 1999
Toronto'sPremierHVACSpecialists
Factory-Trained Technicians · 25+ Years of Proven Excellence
Residential · Commercial · Industrial
HRAI Certified Member
25+ Years of Excellence
Fully Licensed & Insured
24/7 Emergency Response
Technicians Available Now
< 2 HoursResponse Time
21+ GTA CitiesService Area
24 / 7 / 365Emergency Line
4.9 ★ RatingSatisfaction
Call Us Now — Free Estimate
905-790-9080
Also: 416-419-2112
Popular Services
0+
Years of Certified Excellence
0+
Satisfied Customers Served
0+
GTA Communities Covered
0/7
Emergency Response Ready
Current Promotions & Rebates
Exclusive Offers — Limited Time Only
Don't miss out — these deals are available for a limited time. Book today to lock in your savings.
LIMITED TIME🔥
$1,800 Off New Furnace
Lennox high-efficiency furnace installation. Includes free thermostat upgrade.
Save $1,800
Claim Offer SPRING SPECIAL❄️
Free AC Tune-Up
Book any new AC installation and receive a complimentary seasonal tune-up.
$149 Value
Book Now GOVT REBATE💰
Up to $6,500 Back
Canada Greener Homes Grant on qualifying heat pump installations.
Up to $6,500
Check Eligibility BUNDLE & SAVE⚡
Furnace + AC Combo
Install both and save up to $800. Financing at 0% for 12 months.
Save $800
Get Bundle 
All offers subject to availability. Call to confirm eligibility.
Limited-time savings
Current Promotions
Explore current offers from Global Comfort Air. Contact our team to confirm eligibility and find the right comfort solution for your home.
Special offer
Free Consultation
Get expert guidance on the right heating and cooling system for your property.
Book now
Special offer
Lennox Rebates
Ask about available manufacturer rebates on qualifying Lennox equipment.
Explore LennoxWhat We Do
Complete HVAC Solutions for Every Need
From residential furnace repairs to large-scale industrial HVAC installations — we handle it all with certified expertise.
Heating
Expert furnace installation, repair & maintenance. Keep your home warm all winter long.
Learn MoreAir Conditioning
Central AC installation, repair & seasonal tune-ups for maximum cooling efficiency.
Learn MoreGas Pipe Line
Licensed gas line installation, repair & inspection for residential and commercial properties.
Learn MoreAir Balancing
Professional air balancing to ensure even temperature distribution throughout your home.
Learn MoreSimple Process
How It Works — 4 Easy Steps
Getting your HVAC serviced or replaced is simple with Global Comfort Air. Here's what to expect.
01
Call or Book Online
Contact us by phone or use our online booking form. Available 24/7 for emergencies.
02
Free Assessment
Our certified technician visits your property and provides a detailed, no-obligation quote.
03
Expert Installation
Factory-trained technicians complete the work on time, on budget, with zero mess left behind.
04
Enjoy & Save
Relax in comfort knowing your system is covered by our warranty and ongoing support.
Get Your Free Quote — No Obligation
Choose your property type, then pick a service — book instantly online
Available 24/7
905-790-90801
Select Your Property TypeTell us what kind of property needs service
2
Select Your ServicePick the service you need
Heating4 services
Air Conditioning3 services
Water3 services
Specialty & Smart4 services
💰
Up to $6,500 in Gov't Rebates
Heat pumps & high-efficiency systems may qualify
No obligationLicensed & insured4.9★ ratedLennox Authorized
Popular:
25+
Years of Excellence
Why Choose Us
Why GTA Homeowners Trust
Global Comfort Air
For over 25 years, we've been the go-to HVAC specialists across the Greater Toronto Area. Our certified technicians deliver reliable, efficient, and affordable heating and cooling solutions for homes, businesses, and industrial facilities.
25+ Years of Proven Experience
Trusted by thousands of GTA families and businesses since 1999.
Authorized Lennox Dealer
Access to the latest Lennox products with factory-trained installation.
Fully Licensed & Insured
HRAI member, TSSA certified, ESA licensed — fully compliant with all Ontario regulations.
24/7 Emergency Service
HVAC emergencies don't wait for business hours — neither do we.
HVAC Knowledge Centre
Expert Tips & Homeowner Guides
Stay informed with practical HVAC advice from our certified technicians.
Heating
4 min read
7 Signs Your Furnace Needs Replacing This Winter
Don't wait for a breakdown. Learn the warning signs that indicate your furnace is nearing the end of its life — and what to do about it.
Read More
Heat Pumps
5 min read
Heat Pumps in Canada: Are They Worth It in Cold Climates?
Modern cold-climate heat pumps work efficiently down to -30°C. Find out how much you could save on energy bills with a Lennox heat pump.
Read More
Air Conditioning
3 min read
Spring AC Tune-Up Checklist: 10 Things to Do Before Summer
A simple spring maintenance routine can extend your AC's lifespan by years and prevent costly emergency repairs during peak summer heat.
Read More
Indoor air quality learning
Healthier air starts with a smarter home.
Watch this quick guide to learn how cleaner indoor air can support everyday comfort, wellness, and a healthier home environment.
Explore air quality solutionsLennox system guidance
A better system starts with a better plan.
Global Comfort Air pairs authorized Lennox equipment with a clear, home-by-home consultation. We assess comfort concerns, system condition, airflow and efficiency goals before recommending an upgrade.
System matching
Equipment recommendations are matched to your home, comfort priorities and practical operating needs.
Whole-home perspective
Heating, cooling, filtration, humidity and controls are considered together—not as disconnected upgrades.
Professional handover
After installation, we verify operation and explain the controls, maintenance needs and next steps.
Official Lennox Partnership — 10+ Years
Proud Authorized
Lennox Dealer
As a certified Lennox dealer for over 10 years, we provide access to North America's most trusted HVAC brand — backed by factory-trained technicians, exclusive dealer warranties, and the latest high-efficiency technology.
View All Lennox ProductsSince 2014 · 10+ Years
ENERGYSTAR
Cold ClimateDealerAward
Up to 98.7% AFUE
Lennox Furnaces
High-efficiency gas furnaces up to 98.7% AFUE. Quiet, reliable, built for Canadian winters.
Explore ProductsUp to 28 SEER
Lennox Air Conditioners
Industry-leading central ACs with SEER ratings up to 28. Maximum comfort, minimum energy.
Explore ProductsWhole-Home Coverage
Lennox Humidifiers
Whole-home humidification systems that maintain perfect indoor humidity levels year-round.
Explore Products
Where We Serve
Proudly Serving All of Greater Toronto Area
From Barrie to Oshawa, from Oakville to Newmarket — our certified technicians are ready to serve you.
Check If We Serve Your Area
Peel Region
BramptonMississaugaCaledon
Toronto
North YorkEast YorkEtobicokeScarboroughDowntown Toronto
York Region
VaughanRichmond HillMarkhamAuroraNewmarketKing City
Halton Region
OakvilleBurlingtonMilton
Durham Region
PickeringAjaxWhitbyOshawa
Also Serving
BarrieWest YorkGTA NorthGTA South
Not sure if we serve your area? Give us a call!
905-790-9080Customer Reviews
What Our Customers Say
Thousands of satisfied customers across the GTA trust Global Comfort Air.
0.0
Based on 500+ reviews
Google·HomeStars
92%
6%
1%
0.5%
0.5%
"
"Global Comfort Air replaced our old furnace with a new Lennox unit. The technicians were professional, on time, and cleaned up after themselves. Excellent service — highly recommend!"
M
Michael T.
Brampton, ON
"
"Called them for an emergency AC breakdown in the middle of summer. They arrived within 2 hours and had it fixed quickly. Truly 24/7 service. Will use them again for sure."
S
Sarah K.
Mississauga, ON
"
"As an authorized Lennox dealer, they gave us the best price on a new heat pump system. Installation was flawless. Our energy bills dropped significantly. Very happy customers!"
D
David R.
Vaughan, ON
Peace of Mind
HVAC Protection Plans
Protect your investment with a maintenance plan. Avoid unexpected repair costs and keep your system running at peak efficiency.
Basic
$9.99/mo
- Annual furnace tune-up
- Annual AC inspection
- 10% off parts & labour
- Priority scheduling
- Filter replacement reminder
Most Popular
Comfort
$19.99/mo
- Everything in Basic
- Bi-annual tune-ups
- 15% off parts & labour
- Same-day emergency service
- Free filter replacements (2/yr)
- Thermostat calibration
Premium
$34.99/mo
- Everything in Comfort
- Unlimited service calls
- 20% off all parts
- Free emergency visits 24/7
- Annual duct inspection
- Carbon monoxide testing
- Priority winter response
All plans include HST. Cancel anytime. No long-term contracts required.
Get Seasonal HVAC Tips & Exclusive Deals
Join 5,000+ GTA homeowners who receive our seasonal maintenance reminders, energy-saving tips, and exclusive promotions.
No spam. Unsubscribe anytime. We respect your privacy.
Available Right Now — 24 Hours · 7 Days
HVAC Emergency?
We're Here 24/7
Don't suffer through a heating or cooling breakdown. Our emergency technicians are dispatched within the hour.
Dispatched Within 1 Hour
Licensed Technicians
Upfront Pricing
All GTA Areas
Our Credentials
Certifications & Affiliations
Fully licensed, insured, and certified to the highest industry standards.
Authorized DealerENERGY STAR Most Efficient
ENERGY STAR Cold Climate
Dealer Award — Design Excellence
Residential
Complete HVAC solutions for homes of all sizes. Furnace, AC, humidifier, and more.
Learn MoreCommercial
Reliable HVAC systems for offices, retail, restaurants, and commercial buildings.
Learn MoreIndustrial
Heavy-duty HVAC solutions for warehouses, factories, and large-scale facilities.
Learn MoreReady to Experience the Global Comfort Air Difference?
Schedule your service today or call us for a free estimate. Our team is ready to help.