Dependable installation, maintenance and repairs
A family owned and operated business since 1983, Markham Heating & Air Conditioning helps homeowners throughout Markham, Richmond Hill, North Scarborough and the surrounding areas stay comfortable year round. Our technicians install, maintain and repair all major brands of heating, air conditioning and air quality systems—at prices that are hard to beat!
For over four decades, Markham Heating & Air Conditioning has been the name homeowners trust for dependable, efficient, and honest HVAC services. Based right here in the heart of Markham, we’re proud to serve our community with heating, cooling, and indoor air quality solutions that keep your home comfortable through every season.
From the deep chill of Ontario winters to the humid heat of July, we make sure your systems perform at their best when you need them most. Our team combines old-fashioned craftsmanship with modern technology, ensuring your home stays safe, comfortable, and energy efficient.
We’re not just a service provider — we’re a local company built on relationships, quality work, and integrity. When you call Markham Heating & Air Conditioning, you’re choosing a partner dedicated to long-term comfort and peace of mind.
When temperatures drop below freezing, you need a furnace you can rely on. Markham Heating & Air Conditioning offers expert furnace installation, maintenance, and repairs for all major makes and models. Whether you need a full system replacement or quick repair service, our certified technicians ensure every installation is safe, efficient, and built to last.
We help you select the ideal furnace for your home — one that fits your space, efficiency goals, and budget. Every unit we install is properly sized and fine-tuned for maximum performance and minimal energy waste.
Our heating repair in Markham team responds promptly to service calls and resolves issues right the first time. From ignition failures to airflow problems or strange noises, we diagnose quickly and fix thoroughly.
Our heating services include:
Furnace installation and replacement
Emergency heating repair
Preventative furnace maintenance
Gas fireplace service
Thermostat and control upgrades
When it comes to heating in Markham, homeowners have trusted our craftsmanship and honesty since 1983.
A dependable air conditioning system is essential for comfort during the humid Ontario summers. At Markham Heating & Air Conditioning, we specialize in air conditioning installation, repair, and maintenance across the Markham area.
Whether you’re upgrading an old, inefficient unit or installing central air for the first time, our expert team provides seamless service from consultation to completion. We design every installation around your home’s specific layout and cooling needs, ensuring balanced temperatures and reduced energy bills.
Our air conditioning installation in Markham service includes only premium equipment and components. We install systems that perform quietly, run efficiently, and deliver lasting comfort — even on the hottest days.
If your air conditioner isn’t cooling properly, we provide quick and reliable AC repair in Markham, backed by decades of experience.
Air conditioning services:
Central air conditioner installation and replacement
Ductless mini-split systems
Air conditioner repair and diagnostics
Preventative AC maintenance plans
Keep your cool this summer with Markham’s trusted air conditioning experts.
Comfort isn’t just about temperature — it’s about the air you breathe. Our indoor air quality services in Markham help you maintain a clean, healthy, and balanced home environment.
We offer advanced solutions designed to remove allergens, control humidity, and eliminate airborne contaminants that affect comfort and health. Whether your concern is dry winter air, excessive humidity, or dust and allergens, we have a customized solution.
Our indoor air quality products and services include:
Whole-home humidifiers and dehumidifiers
Air purification and filtration systems
HEPA and electronic air cleaners
Ventilation and fresh air solutions
These systems integrate seamlessly with your existing HVAC setup, improving comfort and protecting both your home and your health.
Markham Heating & Air Conditioning also offers hot water heater installation and service, including both tank and tankless systems. We ensure reliable hot water while maximizing energy efficiency.
If you’re looking to add warmth and charm to your living space, we install and maintain gas fireplaces that combine style, comfort, and convenience. Every installation is handled with care, ensuring safety and long-term performance.
Serving the community since 1983, we’re one of the most experienced HVAC companies in Markham. Our long-standing reputation has been built on consistent results and genuine customer care. We live and work in the same neighborhoods we serve — so your comfort truly matters to us.
Every member of our team is professionally trained, licensed, and insured. We follow strict safety and building code standards for every installation, ensuring your system operates safely and efficiently.
Our approach is simple: we treat your home as if it were our own. You’ll always receive straightforward recommendations, transparent pricing, and no hidden fees. Whether it’s a furnace repair or full AC replacement, we help you make informed decisions with confidence.
We take pride in the details. Every installation is clean, organized, and tested thoroughly before we leave. We use premium materials, ensure tidy ductwork, and perform precision calibration for maximum efficiency. Our commitment to craftsmanship is what sets us apart from other Markham HVAC companies.
We understand that HVAC issues can’t wait. That’s why our technicians are responsive, punctual, and respectful of your time. Our maintenance plans help prevent unexpected breakdowns, reduce energy costs, and extend equipment life.
Modern HVAC systems offer advanced technology that enhances comfort while lowering operating costs. At Markham Heating & Air Conditioning, we help homeowners upgrade to high-efficiency systems and smart thermostats that make everyday living more convenient and sustainable.
By investing in an energy-efficient furnace or air conditioner, you can:
Lower your monthly utility bills
Reduce your carbon footprint
Enjoy more consistent comfort levels
Qualify for manufacturer and government rebates
Our team will walk you through available energy-efficient models and explain the long-term benefits — because efficiency isn’t just good for your home, it’s good for the planet.
Regular maintenance is the key to keeping your HVAC system running smoothly year after year. Our Markham HVAC maintenance services include detailed inspections, cleaning, and performance testing to identify potential issues before they become costly repairs.
Benefits of professional maintenance:
Improved energy efficiency
Extended equipment lifespan
Reduced risk of breakdowns
Better indoor air quality
Consistent heating and cooling performance
Our technicians create a personalized service schedule that fits your home and system type — ensuring comfort and reliability throughout the year.
As a locally owned and operated company, we’re proud to serve not just Markham but also nearby communities including Unionville, Stouffville, Richmond Hill, Thornhill, and North Scarborough.
Every neighborhood we serve benefits from the same commitment to excellence that has defined our company for over 40 years. Whether you’re in an older heritage home in Unionville or a new development in East Markham, we tailor every service to your property’s unique needs.
When you see one of our service vans in your neighborhood, you can be sure that another Markham homeowner is experiencing our hallmark blend of professionalism, honesty, and care.
At Markham Heating & Air Conditioning, we believe home comfort should be effortless. From your first consultation to the final system check, every step of our process is built around reliability and customer satisfaction.
We’re guided by three simple principles:
Do it right the first time.
Every installation and repair is performed to the highest standards.
Be transparent and honest.
We provide accurate quotes, clear communication, and no unnecessary upselling.
Stand behind our work.
Your satisfaction is guaranteed — if something isn’t right, we’ll make it right.
This philosophy has earned us a reputation as one of the most trusted HVAC companies in Markham — and it’s why our customers return year after year.
Whether you’re looking to replace an aging furnace, install a new air conditioning system, or simply schedule annual maintenance, our team is here to help.
Contact us today to schedule your service or request a free estimate.
When it comes to comfort, quality, and reliability, Markham Heating & Air Conditioning continues to set the standard.
We’ve built our business on integrity, expertise, and exceptional service — and we’re proud to bring those values into every Markham home we visit.
From furnace repair and air conditioning installation to indoor air quality solutions, trust the professionals who have been keeping Markham comfortable for over 40 years.
Markham Heating & Air Conditioning — Craftsmanship. A Fine Tradition.