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The Right Insulation R-Value for Sacramento Area Homes

If you need to re-insulate your home and are trying to learn a little more about how much insulation you need and what R-value means (it’s an important term in the insulation industry), you’ve come to the right place!

What does R-value mean in terms of insulation? How much insulation does your home need? In a simple answer, the R in R-value stands for resistance, and is a basic measurement of an insulation material’s heat resistance. An insulation company will be able to tell you how much insulation you need, based on:

  • What region you live in (see the map below)
  • What type of HVAC systems you have
  • The size of your home
  • Where you need to insulate
  • And more

One of the most important aspects is where you live.

Figuring Out R-Value for Your California Home

Take a look at the map:

The Sacramento, California area is Zone 3. In wood-framed homes—for both new construction and retrofit projects—the insulation R-values for Sacramento area homes are as follows:

Of course, it’s important to talk to your insulation company about specifics. They’ll be able to determine how much insulation you need and recommend solutions for your unique situation and any special cases.

Related to R-value and how much insulation you need, professionals will help you determine where you need to insulate (attic, walls or crawl space) and what type of insulation to install. Your options are:

This is a lot of information, but don’t worry—you won’t be on your own. An insulation company will be able to help you with all your needs and explain R-value, the right amount of insulation for your home and more!

Home Insulation Services in the Sacramento Area

Whatever your needs, you can count on the experienced team at Gold Star Insulation to meet them. Contact us to learn more about our services or if you’re ready to install insulation in your home!

Where should you insulate in your home? Check out our interactive infographic:

Products We Install
Energy Audits

Our team can help you save money with a home energy audit and air sealing services.


Our insulation team installs batt and blown-in fiberglass insulation.


Environmentally friendly and effective, cellulose works well in homes and buildings.

Spray Foam

Gold Star Insulation is a leading installer of spray foam insulation in the Sacramento area.

Radiant Barrier

An attic radiant barrier can help keep your home cooler and more comfortable.

Insulation Removal

Gold Star Insulation provides home insulation removal services.

Air Sealing

We are committed to saving you money by sealing your attic—which is the main source of air leaks in the home.

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