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If you own a home, you realize that a furnace plays a significant role in your home. Many homeowners face difficulty figuring out what model or type is best when buying a furnace

There are various factors to consider before buying a furnace. These factors include affordability, model, type, and the efficiency of your furnace

Every homeowner wants to buy a reliable and energy-efficient furnace. In this post, we discuss the factors that one should consider before purchasing an HVAC system. 

Choosing Your Furnace

Several fuel options include gas, oil, propane, and electricity, depending on the price preference and efficiency levels. Gas furnaces are the most cost-effective heating system a homeowner can purchase.  

Climate Type

In Vaughan, our winters can get cold at times. A high-efficiency furnace can heat our home comfortably while minimizing energy costs. We recommend that you select a furnace with an AFUE rating of 90% and above. 

Type of Furnace

Furnaces are categorized and classified using various criteria and considerations. A homeowner can choose single-stage, two-stage, and variable speed furnaces

Single-Stage Furnaces

A single-stage furnace is the least complex of the three types. It has only two settings: off and on. In other words, the heating system is either running at full power or not at all.

The primary disadvantages of the single-stage furnace are that it is not energy efficient and does not heat the house evenly.

Two-Stage Furnaces

Two-stage furnaces have three settings: off, low mode, and high mode. Most of the time, the furnace will run on the lower setting. If the weather turns exceptionally cold, the heating system will switch to its higher setting.

The two modes allow it to heat more efficiently and evenly throughout your home.

Generally, you can expect to pay a couple hundred to several hundred dollars more for a two-stage furnace.

Modulating Furnaces

Modulating furnaces provide homes with more precise temperature control and less dramatic temperature fluctuations. Moreover, it is more energy-efficient. 


When buying a furnace, the purchasers should keenly research the AFUE ratings to determine the heating system’s efficiency. The furnaces with the highest efficiency in the HVAC market have an AFUE rating above 90%. 

Furnace Size

Your furnace size should be corresponding in terms of size with your home or property. If you own a big house, your furnace must have the ability to heat your entire home efficiently. 

If you buy a furnace proportionally small for your home, you’ll be at risk of overworking your heating system. An overworking heating system may eventually lead to overheating and a shorter lifespan. 

Price of the Furnace

Price is one of the most crucial factors that every homeowner considers before making a furnace purchase. When budgeting, be aware of extra costs such as transport costs and installation service fees. 


Every air conditioner, heat pump, and furnace usually carries a 10-year warranty. The warranty covers your system’s repair costs within the first decade. 

Note that the warranty will not cover any additional costs incurred by the buyer. Talk to an HVAC professional about the different warranties available.

Buying a Furnace – Conclusion

Do your research before buying a furnace. Understanding the factors above will help you decide the best heating system for you and your family. Ensure that the furnace is energy efficient with an AFUE of 90 or higher.

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