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Is snow affect my furnace working condition?

In high efficiency furnaces, the venting is normally done through a wall to the outside. Check and ensure this is free of ice, snow or other obstructions.

What can I do to protect my family from carbon monoxide?

Carbon monoxide (CO) is a byproduct of incomplete combustion, so any homes in Ontario with gas appliances should have a working carbon monoxide detector.

This is mandatory as per the “Hawkins Gignac Act.- 2013”.

CO detectors are a good second line of defence and they do not eliminate the need for regular annual maintenance of your fuel-burning appliances. Please do not forget, maintenance is not only dusting and cleaning. Most importantly, during the “maintenance and tune-up” a gas technician will also perform a Combustion Analysis. With this analysis, we can get idea about your gas appliances and working condition and also their safety situation.


ENERGY STAR is a program that was created by the US Environmental Protection Agency (EPA) to help businesses and individuals make energy efficient purchases. This program places the ENERGY STAR label (a small blue and white logo) on items that meet superior energy efficiency standards. This label provides an easy way for consumers to identify quality, high efficiency products.

For more information about the Energy Star program, please view their website at

How often should I change my furnace air filters?

Depends on your lifestyle and your health situation. If you have dog or cat, or more than one pet, how many people live in the house, household conditions… It all has an effect on your indoor air quality and how often you should change your air filter. Start by changing your furnace filter every 3 months. If the air filter is quite dirty at the end of the 3 mount, you need to replace them more often.

Dirty filter will cause your furnace to run harder than it needs to. It will reduced efficiency and increase your running costs year round. Changing your air filters regularly will maximize airflow through the furnace, which results in more efficient furnace operation.

Remember, never run your furnace without a filter!

Why do i need a furnace maintenance and tune-up every year?

Annual furnace maintenance and tune-ups should be performed every year to ensure your unit is prepared to be used non-stop during the winter months safely and efficiently. Do not let a small problem become a big problem.

When is it time to replace the furnace?

It depends on the condition of your furnace. Your furnace’s lifespan differs based on how its maintained. Average life expectancy of a furnace is between 14 to 18 years. Very well-maintained furnaces lifespan can be as long as 20 years.

How does furnace heat exchanger cracks happen?

The heat exchanger heats up with hot flue every time when the furnace is turned on. In the mean time the furnace blower motor forces the air blow towards the heat exchanger. Blown air passes over the outside of the heat exchangers clams or tubes. At this point, heat transferred to the air and heated air transferred to inside the buildings area into ducts. When the ambient air temperature reaches the thermostat set point, the furnace turns off. This is normal operation for furnaces. OK how cracks happen? Here is the reasons:

  • Metal Fatigue : During the heating process heat exchangers metal is expending every time and in the cooling process it is contracting. The constant heating and cooling process, effect the thin heat exchanger metals lifespan. Eventually, over the course of the years, the metal will fatigue and split due to this process and cracks will occur at some weak spot.
  • Inefficient Airflow : Most premature heat exchanger cracks are caused by furnace overheating resulting from restricted airflow. The most common cause of restricted air flow is simply dirty air filters and dirty duct work.
  • Over-sized furnace : This causes a short cycle (meaning furnace comes “on” and “off” very often) and heat exchanger expanding and contracting very often. This situation effects furnaces heat exchanger lifespan .
  • Excessive gas pressure can cause over heating and it can create weak spots inefficient air flow,
  • Improperly installed Evaporator Coil or clogged E.coil drain pipe can cause condensate water drip on the heat exchanger and can create corrosion.
What is the best Thermostat fan setting? On or Auto ?

If you have furnace with Variable Speed ECM motor (Electronically Commutated Motor), if you want  you can run your furnace blower motor 24 hours a day, that’s your choice.  ECM motor uses much less energy than a conventional motor. This way indoor air distribution will be better than auto setting. This is big benefit variable speed ECM motors. Also 2 stage variable speed  ECM motors make less noise.

But if you have furnace with conventional motor you must run your furnace blower motor auto setting. This is the most efficient setting for this type of blower motors.

What does AFUE mean?

AFUE  is an acronym and represents “Annual Fuel Utilization Efficiency” and is a measure of how well a gas furnace converts fuel into heat.

Example: A 96% AFUE meaning gas furnace converts 0.96cents of every dollar spent on fuel into heat.

What does HVAC mean?

HVAC is an acronym for Heating, Ventilation and Air Conditioning

Your Gas Comfort Starts with Ignition

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