Furnace Installation & Repair Services in the GTA

Gecko HVAC provides furnace installation and furnace repair services across the GTA for homes and businesses. Whether you need a new high-efficiency furnace installed, an existing heating system repaired, or help diagnosing uneven heat or airflow issues, we focus on safe, reliable, and code-compliant solutions for long-term comfort.

For complete home comfort, you can also explore our maintenance and tune-up services, heat pump installation service, and smart thermostat installation options.

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What’s Included in This Service

Our furnace services in the GTA cover everything from new system installation and replacement to diagnosing no-heat issues, ignition failures, airflow problems, thermostat concerns, and seasonal performance checks. Every job is completed with attention to safety, proper setup, and dependable winter performance.

Furnace sizing and system recommendations

Installation of high-efficiency furnaces

Gas, electrical, and venting connections

Safety checks and combustion testing

Repair of ignition, airflow, and heating issues

Thermostat setup and system calibration

When to Repair vs Replace Your Furnace

If your furnace is not heating properly, turns on and off too often, makes unusual noises, or needs frequent service, one of the first questions is whether a repair is enough or whether replacement makes more sense. In many cases, a repair is the right solution, especially if the issue is isolated and the unit still has good life left in it.

However, if your furnace is older, has major component issues, or requires repeated repairs, replacing it may be the smarter long-term decision. When repair costs begin to add up, investing in a new furnace can make more financial sense—especially when you also consider the improved efficiency, reliability, and manufacturer warranty that come with a new unit.

A new furnace can also improve comfort by delivering more consistent heat, better airflow, and lower operating costs. For businesses and homeowners comparing heating system options, a heat pump installation service may also be worth considering depending on the property and comfort goals.

If you’re unsure whether repair or replacement is the better choice, contact our team, we can assess your current system and provide practical recommendations based on condition, cost, and long-term value.

Why Choose Gecko HVAC for Furnace Service?

Furnace work affects comfort, efficiency, and safety, especially during peak winter months. That’s why we focus on proper installation, honest diagnostics, and repair recommendations that make sense for the system and the homeowner.

Experienced heating specialists

Code-compliant installations

Honest repair recommendations

Energy-efficient system options

Prompt service during peak winter months

We provide furnace installation and furnace repair services across the Greater Toronto Area, including Toronto, North York, Vaughan, Markham, Richmond Hill, Aurora, Newmarket and nearby communities. If you’re unsure whether you’re in our service area, please give us a call or visit our Contact Us page for a complete list of areas we serve.

Common Questions About Furnace Installation & Repair

We’ve gathered some of the most frequently asked questions about furnace installation & repair to help you better understand the process, what to expect, and how to prepare.

How do I know if my furnace needs to be repaired or replaced?

A professional furnace technician can assess your system, but common signs that repair may be needed include inconsistent heat, unusual noises, frequent cycling, and higher-than-normal heating bills. If your furnace is older, needs repeated repairs, or can no longer keep your home comfortable, replacement may be the better long-term investment. In some cases, newer energy-efficient systems offer better reliability and warranty protection than continuing to repair an aging unit.

How long does furnace installation take?

Most standard furnace installations can be completed within one day, depending on the type of system, the condition of the existing setup, and whether any venting, gas, or thermostat adjustments are required. More complex installations may take longer to ensure everything is installed safely and tested properly before the system is put into operation.

How often should my furnace be serviced?

In most cases, your furnace should be professionally serviced once a year, ideally before the heating season begins. Regular maintenance helps improve efficiency, catch wear early, and reduce the risk of breakdowns during colder months. You can also explore our maintenance and tune-up services for ongoing seasonal care.

Do I need to prepare anything before installation?

Usually, only minimal preparation is needed. Clearing the area around your furnace and making sure technicians have safe access to the work area is typically enough. Our team handles the installation, testing, and final walkthrough so you know how the system operates before we leave.

Do you remove old units?

Yes, we safely remove and dispose of old furnace units as part of the installation process when needed. This helps make the replacement process simpler and ensures the old system is handled properly.