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Need a new heating system and wondering whether it’s better to rent or buy a furnace? Renting a furnace is definitely cheaper initially but is not the right option for every household.

If you rent a furnace, you will pay a monthly fee and the HVAC dealer will be responsible for maintenance and repairs. However, there are some drawbacks. It is likely that over time you will pay at least double what the furnace is worth. And, because you do not own the heating system, it does not add to the value of your home.

If you can afford to buy a new furnace this is the best option. By buying the furnace outright, you won’t pay any interest and may also be able to benefit from manufacturer or government rebates. Owning the furnace will also add to the value of your home.

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 modern, high-efficiency furnace should last approximately ten to fifteen years. This is based on the average lifespan of a furnace so it is possible that yours may last longer or need to be replaced sooner. 

The key to a long-lasting furnace is regular maintenance and upkeep. It’s important to stay on top of minor furnace repairs, tune-ups, and maintenance. Scheduling regular maintenance with a professionals heating company will help to maximize the life of your furnace and minimize the need for major repairs. This is especially true in Alberta, where cold winters can take a toll on your furnace.

A local furnace company will know how to care for your furnace in this climate and what to look for if it is having issues.

Furnace filter replacement is important if you’re using your AC. Maybe not as frequently as in winter when monthly changes are best. But check the filter regularly to see that it is functioning properly, and replace when necessary.

If you run your AC during the spring or fall, you will want to check your filter more often since this time of year has more allergens and particulates in the air that can cause you to become sick.

The most energy-efficient furnace is one that is ENERGY STAR certified and has an efficiency rating of 97% or higher. When you see an ENERGY STAR symbol on your appliance, you can be certain that it has been certified as energy efficient. 

When it comes to the type of furnace, gas furnaces are typically the most energy-efficient. Although preferred in some situations, electric and oil furnaces are less efficient. Therefore, gas-powered furnaces are recommended.

The heating professionals at ProSolutions PHAC recommend the following high-efficiency furnaces:

• TRANE S9V2-VS Gas Furnace
• AirEase A97MV High-Efficiency Modulating Gas Furnace
• Goodman GMVM97 Modulating, Variable-Speed Gas Furnace

Heat pumps do not work in Alberta alone.

While heat pumps are designed to heat efficiently and cool homes by drawing heat from the outside air during cold months and expelling hot air from inside during warmer months, their effectiveness varies based on the climate.

In milder climates, heat pumps can be an excellent alternative to traditional furnaces and air conditioners. Some homeowners even prefer them for their dual functionality. However, in colder regions like Alberta, especially places like Edmonton, the efficiency of heat pumps diminishes.

The reason? As temperatures drop, heat pumps struggle to extract enough warmth from the frigid air to heat a home adequately. In contrast, traditional furnaces are specifically designed to provide consistent and reliable heat, even in the harshest of winters. For Alberta homeowners, where winters can be particularly brutal, relying solely on a heat pump can be a gamble.

Therefore, while heat pumps might be a viable option in some parts of the world, in Alberta, a traditional furnace remains the trusted and recommended choice for ensuring warmth and comfort throughout the year. There are also other and more reliable heating and cooling solutions available to Alberta homeowners.

For a simple boiler replacement, you can expect a trained professional to take between 4 and 6 hours.

Your new boiler will be up and running in less than a day. However, installing a brand new boiler, where one didn’t exist before, is a bigger job. Upgrading your current boiler to a different system or moving your boiler to a new location can also be more involved and will take a bit longer.

Because these jobs are more complex, they may take a team of professionals a few days to complete. Typically, you can expect to wait no more than a week for your new system to be up and ready!

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.