Home Insulation Reviews and Research
Total of 16 Sources
For an explanation of how we rank reviews, see our ratings criteria page.
Building Science Information
by Editors of BuildingScience.com
Our AssessmentArticles on this site are written by the staff of the Building Science Corporation, a consulting firm. Many of them deal with insulation types and materials. The number of articles is a little daunting, but the site is easy to search, and the articles are well-written, up-to-date and informative.
by Editors of EnergySavers.gov
Our AssessmentThere is a wealth of information on this U.S. Department of Energy-sponsored site about all aspects of home insulation and how to make your home more energy efficient. The site is well-organized, and although some of the information dates back a couple of years, most is current.
by Max Alexander
Our AssessmentMax Alexander discusses different types of insulation, the importance of proper installation, and the use of heat and vapor blockers. The article also includes a description of insulation products, their R-values, whether or not they need a vapor barrier, and the approximate cost per square foot. At the end is a list of manufacturers of the major types of insulation.
Buyer's Guide to Green Insulation
by Green Home Guide Staff
Our AssessmentThis buyer's guide consists primarily of a chart with information about each of the major insulation materials, including their pros and cons. The guide links to a more in-depth discussion of each material called "Choosing the Best Insulation Delivers Energy Savings."
Green Product Category: Insulation
by Editors of BuildingGreen.com
Our AssessmentBuildingGreen.com contains an archive of blog posts and other information on insulation products and materials, with a focus on their environmental impacts. A menu makes it easy to search for information on all types of insulation, including blanket, spray foam, board, blown and others. Other aspects of weatherizing a house, like air sealing and moisture control, are also covered.
Insulation Fact Sheet
by Editors of Oak Ridge National Laboratory
Our AssessmentThe Oak Ridge National Laboratory, a branch of the U.S. Department of Energy, prepared this fact sheet in 2008. It is long and detailed, contains a wealth of useful information about all aspects of home insulation, and is written in language that a layperson can easily understand.
by Editors of FineHomebuilding.com
Our AssessmentThe articles linked to from this page range from reviews of specific insulation products to reports on which types of insulation to use in an attic. There are also how-to guides for installing insulation. You must subscribe to the site to read the full articles, but a 14-day, free trial subscription is available.
How Does Insulation Work?
by Tim Carter
Our AssessmentIn this column, Tim Carter explains the processes of conduction, convection and radiation, all of which transfer heat from warmer to cooler spaces. He also discusses how insulation affects these processes in order to slow the transfer of heat. There are many insulation-related articles on this site; links to some of them appear at the end of this report.
How to Insulate an Attic
by Tom Silva, Kevin O'Connor
Our AssessmentThis is one of many how-to videos on this website. General contractor Tom Silva demonstrates how to install fiberglass blanket insulation in an attic, explaining why he performs each step of the process. Silva also explains how to place a vapor barrier, depending on a home's climate zone.
Insulate Your Walls, Insulate Your Pockets
by Murrye Bernard
Our AssessmentThis is a short overview of different types of insulation, including blanket, rigid foam, loose-fill and specialized insulation like that used to wrap heat ducts. The article does not go into much depth, but there are links to related articles on insulating a home.
Do-It-Yourself Attic Insulation
by Tim Carter
Our AssessmentTim Carter discusses some of the factors to consider when choosing home insulation. Reader comments at the end of the article are equally valuable; for example, one contractor weighs in on what materials he prefers and takes issue with Carter on a few points.
Lowe's Home Insulation Guide
by Editors of Lowes.com
Our AssessmentThis home-insulation guide by Lowe's gives a lot of useful information, and there are how-to videos on the site as well. The videos provide instructions on how to calculate the amount of insulation you need and how to install some types of insulation.
Buying Guide: Insulation
by Editors of HomeDepot.com
Our AssessmentHomeDepot.com's buying guide provides a good overview of major insulation types and materials, although it doesn't go into much depth. Information on how to determine costs and other factors to consider when choosing insulation is included as well.
4 Types of Insulation
by Editors of DoItYourself.com
Our AssessmentThis short article gives an overview of four insulation types: blanket, loose-fill, rigid board and spray foam. The focus is on what you need to know in order to install insulation yourself, or to make sure it is properly installed. Links at the bottom of the page take you to other insulation-related articles.
Welcome to NAIMA
by Editors of the North American Insulation Manufacturers Association
Our AssessmentThe North American Insulation Manufacturers Association (NAIMA) represents manufacturers of fiberglass, rock wool and slag wool insulation. Their site provides information about each of these materials and the products made from them, along with general information about heat transfer and the properties of insulation. It is relatively easy to search for information on a specific topic, but the information does tend to present fiberglass, rock wool and slag wool in a more positive light than it does other materials.
by Editors of Cellulose Insulation Manufacturers Association
Our AssessmentThe Cellulose Insulation Manufacturers Association (CIMA) is similar to NAIMA, with a focus on cellulose insulation. There is a helpful chart that compares different performance features of the main types of insulation.