The Truth about How Much You Can Save from Spray Foam

Spray foam insulation is a popular choice for homeowners looking to save on energy costs. But how much money can it actually save?

Adding new spray foam insulation to a home that is already insulated or in a newer home will result in a 10-15% reduction in cooling and heating costs. 

This is compared to a 20-30% reduction in heating and cooling costs for an older or poorly insulated home. If your home was built before 1990 and has block walls, you may see a 15-25% decrease in energy costs.

Aside from this, there are a few factors that contribute to cost savings:

Home’s Age

An older home typically uses more energy for cooling and heating, partly because the walls and ceilings are not insulated as well as they could be. By adding spray foam insulation, you can significantly reduce the energy your home uses for cooling and heating.


The hotter the climate, the more energy your home will use for cooling and heating. In areas that experience high temperatures throughout the year, installing spray foam insulation can help you save on your energy bills.

Insulation R-Value

The higher the R-Value of your insulation, the more energy it will save. Spray foam insulation has an R-Value of around 13, which means it will help save you a lot of energy.

Whether You’ve Cleaned the HVAC System in a While

If you haven’t cleaned the HVAC system in a while, it’s important to do so before you install spray foam insulation. This will help to prevent any potential leaks and problems down the line.

Outdated Windows and Doors

If your windows and doors are outdated, they’re likely less energy-efficient than newer models. This means that they’re not doing a good job of keeping the heat in your home.

You can improve the energy efficiency of your windows and doors by adding spray foam insulation to them. This will help keep the heat in your home and reduce energy bills.

Whether or Not You Leave the Existing Insulation In

Whether you leave the existing insulation in or not is a personal preference. It all comes down to how much you want to save on your energy bills.

If you want to save as much money as possible, you’ll want to remove the existing insulation. This will give you a clean slate to work with.

If you want to save some money, but not as much, you can leave the existing insulation in. This will help to reduce the amount of work that you need to do.

How Much Insulation You Need

The insulation you need will depend on the size of your home and how much heat you want to keep in.

If you have a small home, you may only need a few cans of spray foam insulation. If you have a large home, you may need several cans.

The best way to determine how much insulation you need is to contact a professional. They will be able to give you an estimate based on the size of your home and your energy needs.

To Sum Up

Spray foam insulation can save homeowners a significant amount of money on their energy bills. By insulating their homes, they can reduce their heating and cooling costs. Additionally, spray foam insulation can help to protect homes from moisture damage and mold growth.

Ready to have your home insulated? Foamworks is a trusted foam insulation contractor in Western GTA. We specialize in quality application of spray foam insulation. Contact us.

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