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Types of Insulation

The market is so flooded with options for insulation that deciding on one can be a daunting task. However, exploring the features and benefits of each can help narrow the choices down. Ultimately, it will come down to what will fit in your space, your budget and what R-values you need. Generally speaking, we suggest getting the most insulation you can. When it comes to insulation, more will always help maintain your desired temperatures and keep your heating bills down!

Batts – Batts are one of the most common types of insulation due to their ease of installation and relatively low cost. They are made to fit between joists and rafters. Batts insulation typically comes in blankets or will and can be made of a variety of materials such as fiberglass, wool, cotton and even soy. It’s a great choice for DIY projects.

R Values – 3.0-4.0 per inch (Depending on Material)

Common Uses – Walls, Foors, Ceilings

Blown-In – Blown-in or loose-fill insulation consists of fiberous strands of fiberglass or cellulose that are blown into ceilings or walls with a special machine. This type of insulation can be installed as a DIY project with rented equipment or you can hire a professional.

R Values – 2.2-3.8 per inch (Depending on Material)

Common Uses – Walls, Ceilings

Spray Foam – Spray Foam insulation is a type of liquid that expands into a foam when applied. It can be sprayed into walls, floors and ceilings and will fill those hard-to-reach nooks and crannies. While spray cans of foam insulation can be bought for insulating very small areas, such as around pipes and windows, professional installation is needed for larger applications.

R Values – 3.5-6.5 per inch (Depending on Material)

Common Uses – Walls, Foors, Ceilings

Structural Insulated Panels (SIPS) – SIPS consist of an insulating material, such as foam, sandwiched by particle board sheets. These sheets typically come in 4’x8’ configurations and are most often used for new construction. They are great due to their ability to insulate an entire wall, but can be expensive to install and to not lend well to remodels or retrofits.

R Values – 3.8-7.7 per inch (Depending on Material)

Common Uses – Walls, Ceilings

 

Where to Insulate

For optimal efficiency, your home should be insulated from the attic ceiling to the basement floor. For tips on where to concentrate insulation consider this graphic from the Department of Energy.

• 1: Unfinished Attic – Insulate between and over the floor joists and around attic access door (1a).
• 2: Finished Attic – Insulate between studs of knee walls (2a), between studs and rafters of exterior walls (2b), and ceilings with cold overhead spaces (2c). Extend insulation into joist space (2d).
• 3: Exterior Walls – Insulate walls between rooms, garages, storage areas (3a); above ground level foundation walls (3b); foundation walls in heated basements (3c).
• 4: Floors – Insulate floors above cold spaces such as vented crawl spaces and unheated garages. Also insulate floors cantilevered beyond the exterior wall below (4a); slab flors built directly on the ground (4b); foundation walls of unvented crawl spaces (4c). Extend into joists (4d).
• 5: Band Joists
• 6: Windows & Doors– Seal and caulk around windows and doors.

 

Seal Air Leaks

Another key component to properly insulating your home involves making sure it’s well sealed. Air leaks around plumbing vents, doors, windows and other culprits allow cold air to enter, and heated air to escape your home. By sealing these areas, you can improve your heating efficiency. The following image from energy.gov shows some areas prone to air leaks.

Do a Blower Door Test

You can test for air leaks in your home by doing a blower door test. A professional energy auditor will place “blower door” in your doorway. This is an instrument containing a fan that pulls air out of your home and a series of gauges to measure air pressure. This creates a pressure gradient between your home and the air outside, which allows the auditor to pinpoint air leaks in your home. This is illustrated by the graphic to the right, provided by energy.gov.

Energy Tips

Our heating products are a great start to conserving energy, but there is always more you can do to keep those utility bills lower.

Use a programmable thermostat – You can program these to turn your heaters on and off at set times. For example, you can set them to turn on before you get up in the morning, shut off while you’re at work and turn back on before you get home in the evening.

Insulation is key – Any heating or cooling system will perform best when well insulated. To get the best performance out of your heaters make sure your space is properly insulated. For more on how to insulate your home check out this link from energy.gov

Reduce drafts – Air leaks around plumbing vents, doors, windows and other culprits allow cold air to enter, and heated air to escape your home. By sealing these areas, you can improve your heating efficiency. The following image from energy.gov shows some areas prone to air leaks.