Most Common Questions

Changing your filters improves efficiency and keeps the air in your home clean at all times. It also keeps your furnace running at peak performance which will extend the lifetime of your Heating or Cooling units.

We recommend Air Conditioners be maintained once every year. This will ensure peak efficiency and proper function.

It is recommended that you check and replace your filters once every 3 months.

Prior to calling us we recommend that you check the batteries in your Thermostat and check your filters.

Maintenance is required once per year for peak performance, safety, and to maintain a valid warranty.

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Serving Etobicoke and the Greater Toronto Area


Extreme Air HVAC has been business since 2006. During that time, we have taken great care to build a successful HVAC business.

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