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The key to knowing when to replace your furnace versus when to repair it depends on its age and how many more years you can expect it to last. But, rather than humming and hawing about these questions, there is a simple equation you can use to help you decide.

This equation compares the cost of repairing the unit to the cost of replacing it. Here’s the calculation you can use to decide when you should replace your furnace:

“Cost of Repair” x “Age of Unit (in years)” > “Cost to Replace Furnace” = Replace Furnace

Multiply the cost of the furnace repair by the age of the unit. If this number is less than the cost of replacing your gas furnace, then opt for the repairs. If this number is larger, it will be cheaper to replace the furnace.

If you’re living in Alberta, in the St. Albert/Edmonton area, and you’re still unsure, talk to a local heating company. With their expert knowledge about your particular climate, they will be able to help you make a decision as to whether you should repair or replace your furnace.

Yes—you definitely should! Even though your furnace isn’t heating your home during the summer, your HVAC system still uses the same ductwork and blower when you run your central air conditioner. That means your furnace filter is still working hard to trap dust, pollen, pet hair, and smoke particles—especially during Edmonton’s dry, dusty summers or wildfire season.

In fact, summer can be one of the most important times to stay on top of filter changes if:

• You use central AC

• You have allergies

• You experience poor outdoor air quality (like wildfire smoke)

• You have pets that shed

Not sure when to change it? Our Air Filter Delivery Add-On (available with ProComfort or ProHeating Memberships) makes it easy. We deliver the right filter size on your preferred schedule—so your home stays cool and your air stays clean, no matter the season.

There are several heating systems to choose from, including:

• Gas Furnaces: These are efficient and widely used for their affordability and heating capabilities.
• Electric Furnaces: These are suitable for areas with milder winters but tend to be less energy-efficient.
• Heat Pumps: They can both heat and cool your home, providing year-round comfort.
• Hybrid Systems: Combining a heat pump and a gas furnace for maximum efficiency in different weather conditions.
• Ductless Mini-Splits: Ideal for heating individual rooms or spaces without a central duct system.

In the Edmonton area, you should typically change your furnace filter every 1 to 3 months—but it depends on your home and lifestyle:

• Every 1 month if you have multiple pets, allergies, or live in a dusty area

• Every 2 months for average homes with one pet or light allergies

• Every 3 months in smaller homes with no pets and minimal dust

• More often during heavy-use seasons, like winter (heating) and summer (if you use central AC)

Filter size and quality also play a role—smaller or lower-MERV filters usually need changing more frequently.

If you’re tired of remembering when to replace them, our ProComfort Dual and ProHeating Memberships offer an Air Filter Delivery Add-On. We’ll deliver the right filters to your door on schedule—so your home stays clean, your air stays fresh, and your HVAC system runs at its best without any guesswork.

If you live in Edmonton or other northern areas your furnace should be professionally serviced once per year. This will prevent you from having to get expensive furnace repairs or replacements and will extend the life of your furnace. In fact, regularly scheduled inspections and service on your heating system can help identify potential breakdowns and reduce emergency repairs by as much as 95%! Regular service can also lower utility bills by up to 30%.

Harsh winters in Edmonton, and other Albertan cities, can take a toll on heating systems. A company that provides furnace service and maintenance will ensure that everything is in top working condition so that you can rely on your furnace all through the winter without having to worry about issues or failures.

Here’s how much furnace tune-ups & servicing costs in Edmonton.

Furnace size is determined by your home’s square footage, insulation, climate, and other factors. It’s best to consult with a professional technician who can perform a load calculation to determine the right size for your specific needs.
Oversized or undersized furnaces can lead to inefficiencies and comfort issues.

A residential boiler system is used to heat a household. The boiler heats water inside a tank and distributes this hot water (or, in some cases, steam) via pipes, radiators and/or a radiant in-floor system in order to heat the inside of a home. Once the water has cooled and can no longer provide heat, it is sent back to the boiler to be reheated.

Although the name might suggest otherwise, modern-day boilers do not boil water. The term boiler comes from the fact that, in the past, steam boilers were common. Steam boilers boil water in order to create steam for heating purposes. Today, however, most boilers are water heating systems that distribute hot water, rather than steam, in order to heat a house.

A furnace could stop working for a variety of reasons. Most commonly, furnaces stop working because of:

• Blocked or clogged vents, blowers, and/or ductwork
• A dirty, clogged filter
• Thermostat malfunctions (or just a low battery)
• Problem with your power supply
• Damage to the flue
• Issues with belts
• Problems with the pilot light
• Wiring issues

Winters in Edmonton, Alberta can be cold! Avoid layers upon layers of sweaters – if you’re experiencing any of the following issues, get your furnace repaired right away: 

• Strange smells, like burning or chemicals 
• You can’t turn the furnace on
• Inadequate and inconsistent heat. For example, some rooms are hotter than others and some rooms have no heat at all.
• Loud, banging or rattling noises

If you are in Edmonton and surrounding area, contact ProSolutions Inc, we’d love to be your HVAC company of choice!