In the market for a new furnace?
If so, you may have seen that furnaces come in different sizes (i.e., different BTU outputs), and you might be wondering which size you need.
Unfortunately, without having a licensed professional look at your home, it’s impossible to say what size is right for your home.
The size of your furnace depends on several factors, including:
This is called a load calculation, and is the only way to ensure you’ll get the right size furnace for your home.
Below, we’ll go into more detail about:
Want a size recommendation for your new furnace?
Like we mentioned in the beginning, a load calculation is the best way to ensure you end up with a correctly-sized furnace.
A heating load calculation involves looking at several factors specific to your home to determine how much heat your home needs.
Some professionals don’t take the time to do a load calculation and only provide size recommendations based on the square footage of your home. However, square footage is only one of the many factors to consider when sizing a furnace.
In addition to square footage, a professional should also consider:
The condition of your home’s ductwork
Our advice? Make sure the HVAC contractor you hire to install your new furnace performs a load calculation to take into account all of those factors—not just the square footage of your home. If you hire a contractor that doesn’t consider those factors, you could end up with an over- or undersized furnace, which will just cost you more money in the long run.
You might think a bigger furnace is automatically better—but that’s actually not the case.
When it comes to furnace shopping, a furnace that’s too big or too small for your home can cause some serious issues.
For example, a furnace that’s too big causes problems such as:
A furnace that’s too small creates the same problems, but for different reasons:
We’re happy to help! Our team of comfort specialists will perform a heat load calculation to ensure you get the right size furnace for your home.
For more information about what to expect when you hire us, visit our furnace installation page.