Insulating for Energy Efficiency

You can save a lot of money by installing or improving insulation. Insulation retards the flow of heat and is one of the most cost-effective investments that you can make. The effectiveness of insulation is measured by its tested resistance to heat flow and is known by its "R" value. The greater the "R" value, the greater the effectiveness. One of the easiest and most effective places to install insulation is in the attic, since heat rises from the heated rooms below. Insulation comes in many different forms including the familiar fiberglass, Styrofoam, vermiculite, pouring wool, cellulose materials such as shredded newspaper, and numerous "foamed-in-place" types. Particularly within the fiberglass and rigid foamed board types, there are a variety of choices of heat-reflective coatings. Properly installed insulation always improves comfort and reduces heating and cooling costs.

Estimated Cost Savings:
Heating buildings is one of the largest expenditures of energy in the nation and one of the greatest opportunities for saving. The average U.S. household spent more than $2,350 in 1999 for energy: $1,200 for home energy and $1,150 for motor gasoline to run vehiclesOf the $1,200 spent in the home, nearly half is spent for heating and and in aggregate, amounted to more than $50 billion in 1999.  In general terms, when you double the R value of your insulation, the heat flow through the insulated surface will halve. Your bill, however, may not halve because of other, less well-insulated surfaces in the building. Typical savings for retrofit insulation are on the order of 20-30% of your heating bill. For a monthly heating bill of $200, this can amount to $40-$60 in savings.

To get a home energy assessment or to find out more about energy efficiency, contact me at: 310.924.4631or email me at: janet@callmalibuhome.com.

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