Your Trusted HVAC Contractor in Markham, ON
Looking for a trusted HVAC company in Markham? Our team of experts delivers dependable service, every season.
"Cozy World made the entire process of replacing our HVAC system so simple. They were on time, professional, and took the time to answer all our questions. "
Get a Free Estimate Right Away From a Licensed HVAC Contractor in Markham
Reliable Service from a Local HVAC Company in Markham
When it comes to reliable heating and cooling, Cozy World is the trusted HVAC company Markham homeowners rely on. From heritage homes in Unionville to modern townhomes in Cornell and upscale builds in Cachet, we provide year-round comfort across every part of the city.
Our licensed technicians handle everything from furnace installations and air conditioner repairs to heat pump retrofits. Whether you're upgrading your system for better efficiency or need fast emergency service, we’ve got you covered.
With over 30 years of experience as a leading HVAC contractor in Markham, we understand the diverse needs of homes across the city. From older properties near Main Street Markham to custom homes in Berczy and Box Grove, our team tailors every solution to meet your home’s specific requirements.
4 Simple Steps For HVAC Installation or Repair
As a trusted HVAC contractor Markham homeowners rely on, Cozy World keeps your experience smooth from start to finish. Whether you need a quick repair or a full system replacement, here’s how we get the job done:
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Schedule Your Appointment
Book a visit online or by phone. Our Markham HVAC company offers flexible scheduling and fast response times across the city.
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On-Site System Check
One of our licensed HVAC technicians arrives at your home to inspect the issue. We’re fully equipped to assess furnaces or air conditioners the spot.
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Honest, Upfront Quote
We provide a clear estimate before any work begins. No surprises—just transparent pricing from a reliable HVAC company in Markham.
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Professional Service
Our skilled team completes your repair, replacement, or installation with precision. We work cleanly, safely, and efficiently—backed by over 30 years of local HVAC expertise.
Our HVAC Services in Markham
As a full-service HVAC company Markham residents trust, Cozy World delivers reliable heating and cooling solutions across the city. See some of our available services below:
Why Choose Our Markham HVAC Company?
We’re more than just another HVAC company in Markham—we’re a team committed to quality, integrity, and long-term comfort.
Skilled & Experienced Technicians
With over 30 years in business, we bring deep HVAC knowledge to every job. Our technicians know Markham homes inside and out, from downtown condos to suburban houses.
Certified & Fully Insured
You’re protected every step of the way. As a certified and insured HVAC contractor Markham homeowners trust, we ensure every service meets provincial standards and safety codes.
Lennox Authorized Dealer
Cozy World Markham proudly installs Lennox heating and cooling systems—one of the most trusted brands in the industry. You get premium products backed by professional expertise.
Focus on Energy Efficiency
Helping you choose HVAC systems that reduce your utility bills and environmental impact. From high-efficiency furnaces to smart thermostats, we make energy savings simple.
Honest, Transparent Pricing
Providing upfront quotes—no surprises or hidden fees. You’ll always know what you’re paying for and why.
Precision-Focused Installations
Our team handles every installation with care, accuracy, and attention to detail. We leave your space clean and your system running at peak performance.
About Cozy World Markham HVAC Contractors
Since 1991, Cozy World has been a leading HVAC contractor Markham homeowners rely on for expert installations and reliable service. Cozy World is fully licensed, insured, and committed to doing the job right the first time.
Fully Licensed and Certified for Your Protection
Our technicians are licensed for both furnace and air conditioner installation, with full TSSA and HRAI registration to operate as a certified HVAC company in Markham. Every installer is factory-trained and experienced, ensuring your new system is installed to the highest standard.
Professionalism That Shows in Every Detail
During installation, we use drop sheets to protect your floors and always leave your home just as clean as we found it. All new systems come with parts and labour warranties, and we stand by every job with A+ service—just check our BBB rating: zero complaints, ever.
From quoting to cleanup, there are no cost surprises. We’ll give you an exact price before we begin and stick to it. Our goal is to keep your home comfortable for years to come through expert installation and dependable HVAC maintenance.
Thousands of happy Markham homeowners have trusted us with their comfort. We’d love to help you next.
The Best Markham HVAC Company
At Cozy World, we don’t just install HVAC systems—we build long-term relationships with our customers. As a top-rated HVAC company in Markham, we’re proud to have earned the trust of thousands of homeowners across the city.
Frequently Asked Questions
Choosing the right HVAC system — and the right team — makes all the difference. At Cozy World, we’re proud to be a leading HVAC company Markham homeowners trust for quality workmanship, transparent pricing, and expert guidance. Below are answers to some of the most common questions we get from clients across the city.
How much does HVAC installation cost?
How do I know if I’m getting the best price for HVAC installation?
Are there rebates or tax incentives for new furnace or HVAC installations?
How long does it take to install a furnace or air conditioner?
What should I look for in a Markham HVAC contractor?
Cozy World Markham HVAC Contractor Service Areas
From Steeles Avenue to Major Mackenzie Drive, Cozy World proudly provides expert HVAC services across all of Markham. Whether you're near Pacific Mall, Toogood Pond, or in one of the city's growing suburbs, our team is ready to bring comfort to your home year-round.
- Angus Glen
- Armadale
- Berczy
- Box Grove
- Buttonville
- Cachet
- Cathedraltown
- Cedar Grove
- Cornell
- Greensborough
- Legacy
- Markham Village
- Middlefield
- Milne Dam Area
- Raymerville
- Rouge Fairways
- Rouge River Estates
- South Unionville
- Thornhill
- Unionville
- Victoria Square
- Vinegar Hill
- Wismer
