How Much Does It Cost to Replace My Furnace? 

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Replacing your old furnace consists of three primary cost factors. They include the prices of the new furnace, its installation and any renovations to the ductwork. Let’s focus on the cost of a natural gas furnace. AirQuest and Goodman are two well-known brands. They come in many sizes to fit the needs of any home.

AirQuest models range in price from $665 to $1,798, depending on their sizes, efficiencies, and other features. Goodman furnaces cost between $535 and $2,235, again depending on efficiencies, sizes, and other features. The following information will help you understand what size to buy, and how you will benefit by replacing your old furnace.

How Do I Size My Furnace?

It’s critical to size your furnace correctly. You will waste energy and money if you buy one that is either too large or too small. Don’t assume your new furnace should be the same size as your current one. The easiest way to size your new furnace is to use a Sizing Guide. Here’s how it works for a 2,500 sq. ft. home:

1. Fill in the box for what you need (furnace).

2. Use zones to locate your home on the map (yellow).

3. Insert the square footage of your home (2500).

4. Select the system airflow direction (upflow).

5. Click on submit for the right size.

Your answer is a 4-ton, 100,000 to 120,000 BTU furnace. This is a calculation for a typical house in Zone 3. There are some variables to take into consideration that you should discuss with your contractor including:

• The amount, type and R-value of your insulation
• Type and number of windows in your house
• The number of stories in your home
• Age and construction type of the house.

HVACDirect.com makes the following recommendations: “A good rule to follow is if your home is well insulated and has newer style windows, you can (in most cases) safely choose the smaller size system that conforms to the specs needed for your total square footage. The less insulated and more windows within the environment, the more likely you will experience greater air and heat loss.” (Retrieved from https://hvacdirect.com/sizing-air-conditioner-and-heater.html)

To sum it up, if your home has many older style windows and isn’t well insulated, you will need to buy a larger system that falls within your square footage range. Combine your size estimates with those of the dealer and contractor, and you will get it right.

Benefits of Replacing Your Furnace

You shouldn’t be surprised to know that replacing your older furnace carries numerous benefits. Other people have probably told you how they came out ahead by making this change. Most people maintain their furnaces from year to year. Other people neglect them until problems occur. Two things are for sure – old furnaces are not efficient enough, and they are money holes.

Now, let’s take a look at the benefits of replacement with a newer more efficient model: