Frequently Asked Questions

We serve the entire Greater Toronto Area, including Toronto, Mississauga, Brampton, Oakville, Burlington, Hamilton, Vaughan, Richmond Hill, Markham, and surrounding communities.

Absolutely. All of our technicians are fully licensed, insured, and trained to service all major HVAC brands and systems.

We service and install all major HVAC brands including Lennox, Carrier, Trane, Goodman, Daikin, Rheem, and many more.

ZK Mechanical has been serving the Greater Toronto Area for over 15 years, completing thousands of residential and commercial HVAC projects.

Yes. All of our installations and repairs come with a workmanship warranty. Equipment warranties vary by manufacturer and are provided with every new installation.

We offer a full range of HVAC services including furnace repair and installation, air conditioner installation and repair, heating and cooling maintenance, water heater repair and replacement, tankless water heater installation, and commercial HVAC solutions.

Yes. We provide HVAC services for both residential homes and commercial properties throughout the GTA, including offices, retail spaces, restaurants, and warehouses.

Yes. We install all major brands of furnaces and air conditioners. Our team will assess your home, recommend the right size and efficiency, and complete the installation professionally.

Yes. Ductless mini-split systems are a great option for homes without existing ductwork or for zone-based cooling. We install and service all major mini-split brands.

Yes, we offer free consultations and quotes for new installations and major repairs. Contact us to schedule your free estimate.

Furnace installation costs vary depending on the unit size, efficiency rating, and your home's requirements. We provide transparent, upfront pricing with no hidden fees. Contact us for a free quote.

Yes. We offer flexible financing options for major HVAC installations to help make your investment more manageable. Ask us about our available plans.

Never. We believe in transparent, upfront pricing. You will always know the full cost before work begins, and the price you are quoted is the price you pay.

Yes, we offer 24/7 emergency heating and cooling repair services. Call us anytime and our team will respond promptly to get your system back up and running.

We prioritize emergency calls and aim to have a technician at your location as quickly as possible, often within a few hours depending on your location in the GTA.

If your furnace stops working, check the thermostat settings and replace the filter. If it still does not start, call us immediately for emergency furnace repair. Avoid using alternative heating sources that could be unsafe.

Emergency service rates may differ from standard rates due to after-hours availability. We will always provide a clear quote before beginning any work.

We recommend changing your furnace filter every 1 to 3 months, depending on the type of filter, whether you have pets, and your indoor air quality needs. A clean filter improves efficiency and air quality.

We recommend having your heating system inspected in the fall and your cooling system inspected in the spring. Annual maintenance helps prevent breakdowns and keeps your system running efficiently.

Yes. We offer seasonal maintenance plans that include annual inspections, tune-ups, priority scheduling, and discounts on repairs. Regular maintenance extends the life of your HVAC system.

Common signs include unusual noises, inconsistent temperatures, higher energy bills, frequent cycling, strange odours, and poor airflow. If you notice any of these, contact us for a diagnostic inspection.

A well-maintained furnace typically lasts 15 to 20 years, while air conditioners last 10 to 15 years. Regular maintenance can help extend the life of your system significantly.