Can You Over-Insulate a House?

It’s no secret that homeowners can save a considerable amount in power bills with the right level of insulation. However, you may also end up over-insulating their spaces to keep their bills low.

This post talks about what over-insulation is and how to identify it, and how professional advice can help you maintain the right balance.

The Quick Answer

Yes, it’s possible to over-insulate your house. Too much insulation will seal your house too tightly, trapping moisture inside. As hot air rises to the attic, it provides the perfect humid medium for mold growth, negatively affecting the air quality of your house.  However, mold can also result from damaged pipes or broken pumps in your space.

Let’s take a look at a few signs of over-insulation:

1. Mold or Mildew Growth

Any fungal growth, especially in the attic, can be a sign of over-insulation. Excess heat traps humidity which settles onto wooden house infrastructure, leading to mold or mildew growth in the house. If you see such growth in your attic, first make sure you get it removed. Aftetr that, a professional insulation contractor may be able to help you out with proper insulation.

2. Warm Walls, Floors, and Ceilings

Your first line of protection against harsh weather is the external structure of your house. When your floors, walls, and ceilings are too warm, it is a sign that your house is over-insulated. To double-check, make sure that the external walls of your house also feel warm if the insulation is working as the heat would ideally be kept outside.

Over-insulation will heat your house, increasing the need for external sources of cooling such as the AC. This will in turn increase your power bills, causing a gradual year-on-year increase.

foam for installation
foam for installation

3. Unusual Energy Bills

If you notice an abnormal increase in your energy bills, you might have an over-insulation problem. Track your power consumption over the past few years and if you notice a gradual increase in the summer, chances are that your house is over-insulated, requiring extra cooling and hence increasing your bills.

Call The Insulation Professionals!

If you’re not sure about how many layers of insulation you need for your house, it is best to call an insulation contractor. Pure Eco Inc. offers insulation installation and other services such as attic cleaning Monrovia and professional insulation contractors for your needs. If your Los Angeles home needs an insulation to revamp, call us at (877) 870-7998 or click here for more information.

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