No heat? No AC?
We fix it today.
ZK Mechanical is your licensed, TSSA-certified HVAC contractor for Toronto, Mississauga, Hamilton and the GTA. Fast furnace, AC, heat pump and water heater service — upfront pricing, and every job guaranteed.
We service & install all major brands — Lennox, Carrier, Goodman, Trane, Napoleon & more.
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- Licensed & Insured
- TSSA-Certified Gas
- 5.0★ on Google
- Same-Day Service
- Upfront, Flat-Rate Pricing
- Financing Available
- No Overtime Charges
- 15+ Years Experience
What We Do
One call handles your whole home or building
From a furnace that quit at midnight to a full commercial system design, our licensed technicians do it all — repairs, installs, and maintenance across the GTA and Hamilton.
Owner-operated
You deal with the people doing the work — not a call centre.
Why GTA Homeowners Choose ZK
Honest work, fair prices, no surprises
For more than 15 years, ZK Mechanical has been the contractor GTA families call back. We show up on time, explain what is actually wrong, and quote a clear price before we touch a thing.
Upfront, flat-rate pricing
You approve a clear price before any work starts — no hourly meter, no surprise charges at the end.
Licensed, insured & TSSA-certified
Fully licensed gas and HVAC technicians, properly insured, so your home and family are protected.
24/7 emergency response
Furnace out in a cold snap? AC down in a heat wave? We answer around the clock with no overtime surcharge.
Workmanship you can trust
We fix it right the first time and stand behind it. If you are not happy, we make it right — that is the deal.
How It Works
Comfortable again in three simple steps
No runaround, no pressure. Just a straightforward path from problem to fixed.
Call or request a quote
Tell us what is going on. We will give you straight answers and book a visit fast — often the same day.
We diagnose & quote upfront
A licensed technician inspects the system and gives you a clear, flat-rate price before any work begins. No surprises.
Comfort restored — guaranteed
We fix it right the first time and stand behind the work. If you are not satisfied, we make it right.
Financing & Rebates
Don't let cost stand between you and comfort
Spread a new furnace, AC, or heat pump over affordable monthly payments — and stack Ontario rebates and the Canada Greener Homes Loan to save thousands. We walk you through every option on your free quote.
Low monthly payments
Affordable terms on major installs — approved before any work begins.
Thousands in rebates
Ontario incentives + the Canada Greener Homes Loan on qualifying high-efficiency equipment.
Fast, easy approval
Often same-day, with clear terms and no hidden fees or surprises.
GTA families trust ZK Mechanical
Real reviews from real neighbours across Toronto, Mississauga, Hamilton and beyond.
“It was the weekend, late at night and -20°, but he came to fix my furnace because we had a baby. Very professional and friendly. I will highly recommend him for any type of service.”
“I had a wonderful experience with ZK Mechanical. They are on time and extremely professional. I recommend them to everyone who needs to install A/C or a furnace.”
“Just had our AC fixed by ZK. Super friendly, fast, and knew exactly what he was doing. Everything is working perfectly now. Highly recommend!”
“ZK Mechanical has been a great HVAC service provider to our home for years. Zobir has been great!”
“Very helpful guys and very polite. Helped sort it out very quickly.”
“Very helpful guys and very polite. Helped sort it out very quickly.”
“ZK Mechanical has been a great HVAC service provider to our home for years. Zobir has been great!”
“Just had our AC fixed by ZK. Super friendly, fast, and knew exactly what he was doing. Everything is working perfectly now. Highly recommend!”
“I had a wonderful experience with ZK Mechanical. They are on time and extremely professional. I recommend them to everyone who needs to install A/C or a furnace.”
“It was the weekend, late at night and -20°, but he came to fix my furnace because we had a baby. Very professional and friendly. I will highly recommend him for any type of service.”
Service Areas
Local HVAC service across the GTA & Hamilton
Same-day furnace, AC, and water heater service in 20+ cities. Find your area and call for a free quote.
FAQ
Questions GTA homeowners ask
What areas do you serve?
Are your technicians licensed?
What brands do you service?
How long has ZK Mechanical been in business?
Do you offer warranties on your work?
What HVAC services do you offer?
From Our Blog
HVAC tips & expert advice
Practical guides to help GTA homeowners save money and stay comfortable year-round.
Ready when you are — day or night
Whether it is an emergency repair or a planned upgrade, get a fast, no-obligation quote from a licensed GTA technician today.