•Keeps heat indoors in winter and outdoors in summer – means lower heating and cooling bills

•Rated by it’s R-value. The greater the R-value the better it insulates (ex. R-38 it better than R-22)

•Should be thickest over the ceiling.

Insulation

• Comes in rolls

• Used in attics, floors, walls, and around pipes and ducts.

Blanket Insulation

Board Insulation

Loose-fill Insulation

•The PANEL BOX is a large metal box that receives power from the electric company•The PANEL BOX divides the power into individual circuits•Circuits are protected from too much power by fuses or circuit breakers.

Electrical Systems

Circuit Breaker Fuse Box (mostly older

homes)

•Electricity runs to outlets or receptacles

•Ground fault circuit interrupters (GFCI outlets) help reduce the risk of electric shock in kitchens, bathrooms, and outdoors.

• Pipes are located in the floor, walls, and/or ceiling

• Shut off valves stop water to separate parts of the system without shutting off water for the entire house.

Forced Air System: air heated by a furnace and travels through ducts to

rooms

Radiant Heat: uses wiring in ceiling, floors, or baseboards to “radiate” heat

Heat Pump: heats or cools the house as needed. Most efficient in areas with mild to moderate winter climates.

Portable Heaters and Air Conditioners