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The fact is winters are cold!  And nothing beats coming home to a nice warm cozy home on a cold winters day.  That is why it is important to maintain your furnace.  It can be as simple as replacing your filters, and having one of our service technicians come and do maintenance to ensure everything is in proper working condition.

When is a good time to get maintenance on your furnace? Anytime.

How do I know when to Repair or Replace my furnace?

An uncomfortable home can be a sign of improper equipment operation, duct problems or inadequate insulation.  Having one of our qualified technicians come and take a look at your furnace is always the best place to start. They will be able to determine the state of your equipment and inform you of any repairs needed, or if a replacement is needed. Sometimes the solution can be as simple as sealing your ducts -- as well as adding air-cleaning equipment.

If this is something you are considering, why not contact us or book a service by clicking the button and filling out our form.

Get Service Now! Book A Consultation

When Replacement Makes Sense

According to an HVAC rule of thumb, you know you need to replace your HVAC unit or furnace when the cost of repairs approaches 30% of the value of your heating or cooling system.

 That’s because a new system can be 50% more efficient if the existing unit is more than 12 years old. With new equipment, the utility savings start paying you back immediately. Plus, you may avoid costly repair bills in the years ahead.

How a Replacement Pays You Back

Advancements in central heating and cooling technology are improving energy efficiency as much as 7% per year. So replacing a heat pump, air conditioner or furnace that is more than 10 years old may be a smart move.

What to consider when buying a furnace

When buying a furnace, most people are looking for two things: cost-savings and warranty. While these are both important factors to consider, we believe that what you really need to consider when buying a furnace is: unit, distribution, and service.


We use York furnaces. Why? because they are a brand that stands behind their products. They offer three different levels of top quality, high-efficiency gas furnaces to meet your needs. Our highest efficiency YORK® systems can cut your heating and cooling bills in half, depending on the efficiency of your old system.

All of York’s units offer:

  • Increased comfort with advanced gas furnace technology
  • High-efficiency, for both cost and energy savings
  • Built in diagnostics and shut-off controls

 Learn More about YORK®


As much as we hate to think about it, even the best furnaces can break down. Whether it happens mid-day next Tuesday or right before dinner on Christmas Day, you want your furnace fixed as soon as possible. We work with a distributer right here in Edmonton to ensure that we have the parts to  get your furnace fixed right away. No hoping that the part is in stock. No waiting weeks on end to order something in.


Needing to have your furnace repaired or replaced isn’t fun. We strive to make the experience as pleasant as possible. When you work with Think Mechanical, you get service unlike anywhere else. Our technicians are professional, clean, organized, dependable and friendly. We treat you the way that we would want our own family to be treated. Plus we're available 24/7 so that you can get help when you need it, not just from 9:00 to 5:00.

Alright, now here's numbers!

Furnaces are rated in BTU's (British Thermal Units) and are sized to the heat loss of your home. We estimate heat loss based on your home's age and size.

Here's a rough scale:

1700 - 2300sqft - 60,000BTU
2300 - 2900sqft - 80,000BTU
2900 - 3500sqft - 100,000BTU
3500 - 4100sqft - 120,000BTU

Anything bigger will require more than one furnace

York LX Series Furnace

Then there is the efficiency rating; the higher the number the higher the efficiency; the higher the efficiency the less money you spend in the long run. 

York, the brand we use, carries three levels of furnaces; the Latitude Series, LX Series and the Affinity Series. You can preview them here.

The Latitude Series is a popular line that is straight forward and simple, an excellent single stage burner and blower and a compact size. It has an efficiency of up to 95.5%. Check them out here

The LX Series allows you to choose between single stage, 2 stage burners and modulating burners, single speed and variable speed blowers and combinations of burners and blowers. It has an efficiency of up to 97%. Check them out here. 

The Affinity Series is the top tier furnace with a modulating gas valve and variable speed blower. This means that as your home requires more or less heat, it will adjust the output of the gas valve and the blower by 1% increments giving your home exactly only what it needs for ultimate comfort and efficiency. It's so quiet you'll think it's not even working. Check them out here.

Here's the numbers you're looking for!

Unit Capacity

Affinity Series

LX Series 

Variable Speed

Single Stage Gas

LX Series 

Modulating Gas

Single Speed

Latitude Series


1700 - 2300sqft
Starting at
Starting at
Starting at
Starting at
2300 - 2900sqft
Starting at
Starting at
Starting at
Starting at
2900 - 3500sqft
Starting at
Starting at
Starting at
Starting at
3500 - 4100sqft
Starting at
Starting at
Starting at
Starting at

So why "Starting at"?

There are a few reasons your furnace install may cost more than a base price. We think it only fair that you're aware.

Here are some factors that could impact the cost of your furnace installation.

  • Your basement is finished. If we need to fish any electrical or chimney lines through, above or around finished spaces it costs us more in time.
  • High efficient furnaces condense water out of the gas as it burns it, if there is no drain available in the furnace room a condensate pump will be required to pump it to a drain
  • Your old furnace may have a "hammock" filter inside of it. If so we'll have to install a new exterior filter frame.
  • Your old thermostat may only have 2 wires going to it and if you want control over your fan or to add air conditioning we'll need to run more wires.
  • Your home requires fresh air (by code) and old homes didn't have it all the time, if not, we need to put it in.

Information to have ready when you call for a quote!

  1. Your homes square footage. This way we can pick the right unit for you.
  2. Know what you want! What's important to you? Budget, efficiency, comfort, sound; rate your wants, we want you to have what is best for you!
  3. If your basement is finished AND if the furnace is going to be located where we have to run chimneys through that finished space. If not, no extra cost!
  4. Answers to as many of the above listed possible extras.
  5. Your email, so we can send you the quote.