• |   50370 Dennis Ct. Wixom, MI 48393
  • |Contact Us
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Is Your Home Energy Smart?

Walk through your home and circle the descriptions below that best fit your house. Then calculate your home’s energy-efficiency rating.
Attic Insulation

Test: Use a ruler to measure how much insulation you have in the attic area.

  • 6 inches or less (2 pts.)
  • 7 to 11 inches (4 pts.)
  • 12 inches or more (6 pts.)

Tip: Improving your home’s insulation is one of the most effective and cost-efficient ways to reduce energy usage. If you have less than 12 inches, you probably need more.

Furnace Filters

Test: How often were your furnace filters cleaned or changed in the last year?

  • Not at all (2 pts.) 1-3 times (4 pts.)
  • 4 or more times (6 pts.)

Tip: Make sure your furnace is operating at maximum efficiency by cleaning or replacing your furnace filters frequently. Be sure to follow the instructions in your owner’s manual.


Test: Is the temperature setting on your thermostat above or below the following levels in the winter?

  • 74° F or higher (2 pts.)
  • 71°– 73° F (4 pts.)
  • 70° F or lower (6 pts.)

Tip: A programmable thermostat can help you reduce your heating and cooling bills by as much as 10 percent a year.


Test: Open your front or back door and check the condition of the weatherstripping between the door and the door frame.

  • None (2 pts.)
  • Worn out (4 pts.)
  • Good condition (6 pts.)

Tip: Sealing air leaks in your home can reduce your home’s energy usage by 10 percent or more.

To calculate your home’s Energy-Efficiency Rating (EER): 1. Add up your total points. 2. Divide your total points by the number of questions you answered. Total/Questions Answered = EER

Energy Efficiency Rating Scale:

6.0 – 5.1 points = Very energy efficient
5.0 – 4.5 points = Energy efficient
4.4 – 3.8 points = Getting close
3.7 – 3.0 points = Needs a few improvements<
2.9 – 2.0 points = Needs major improvements

My Home’s Energy Efficiency Rating is:___________________________.

Products We Install
Fiberglass Insulation

We install high-quality batt and blown-in fiberglass insulation.

Spray Foam Insulation

FiberClass Insulation is proud to be a leading installer of spray foam insulation.

Cellulose Insulation

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


FireClass is proud to be a leading installer of fireplaces.

Air Sealing

Our team includes air sealing in our insulation projects.

Energy Audits

Our team can help you save money with a home energy audit.


We fabricate gutters on site and also replace existing gutters.

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