Furnace

Two-stage heating saves gas by adjusting the flame size based on demand.
With a 96% efficiency rating, uses less energy than competitive single-speed units
variable-speed fan keeps temperature swings to a bare minimum.
This Gas Furnace is designed to be the most energy-efficient furnace in its class
Warranty on furnace heat exchanger is 20 years and other parts for 10 Years after Registration

Adjusts heat output based on indoor demand for more stable comfort and better energy use.

Dual-fuel capable with compatible heat pump and thermostat
Highly Efficient with two-stage operation & reduce energy Consumptions
Designed for long-term performance, advanced safety controls & quiet operation
Fully insulated cabinet for better heat delivery
Compatible with air purifier and humidifier
10-Year Parts Limited Warranty (with registration)

Upgrade your home’s heating with a Goodman high efficiency furnace, built for durability, performance, and energy savings. Designed to handle Ontario’s coldest days, Goodman furnaces deliver consistent warmth, quiet operation, and long term reliability — all backed by one of the best warranties in the industry.

Whether you are replacing an aging system or installing new, Goodman offers powerful heating solutions with advanced features like multi speed blowers, smart diagnostics, and compatibility with modern thermostats.

Why homeowners choose Goodman:

High AFUE ratings for lower energy bills
Proven reliability in Canadian climates
Quiet, efficient operation
Industry leading warranty coverage
Affordable pricing with 0% financing available

Book your consultation today — and stay warm all winter.

Take advantage of our latest offer and make your upgrade more affordable than ever. Enjoy 0% financing for 36 months and spread your payments with no added interest. It’s the easiest way to upgrade your home’s comfort and energy efficiency while keeping more money in your pocket.

We offer simple, hasslefree financing to make unexpected HVAC upgrades easier to manage. Whether you are replacing a Furnace, installing a new AC or switching to a Heat Pump, our flexible payment plans help you enjoy reliable comfort without large upfront costs. Approvals are quick, the process is easy, and you can pay over time with confidence.

Frequently Asked Questions?

Below you’ll find answers to some of the most frequently asked questions. We are constantly adding most frequently asked question to this page.

It depends on your home size (Square Footage), insulation, and layout. We can help you choose the right furnace.

Rising energy bills, uneven heating, frequent repairs, or a unit over 10-15 years old.

Yes — Older furnaces are not highly efficient and are only about 55% efficient, while modern furnaces can reach up to 98% efficiency, lowering energy costs.

Our experts assess your home, heating needs, and budget to recommend the most reliable and efficient furnace options. We guide you through the selection process to ensure long-term satisfaction.

Annual maintenance is recommended to ensure efficiency, reliability, and safety. Regular servicing can prevent breakdowns and extend the life of your furnace.

Yes, we offer flexible financing plans to make upgrading your heating system affordable and stress-free.

Markham Mechanical is a Canadian-operated heating and air conditioning company. We offer top brands to our customers so we can provide the best services. We also offer a free home assessment.