|Energy Audits, Thermal Imaging Annapolis, Baltimore, Eastern Shore Md|
|Types if Insulation|
|Estimating Costs and Payback|
|Insulation & Air Sealing|
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You can reduce your home's heating and cooling costs through proper insulation and air sealing techniques. These techniques will also make your home more comfortable.
Any air sealing efforts will complement your insulation efforts, and vice versa. Proper moisture control and ventilation strategies will improve the effectiveness of air sealing and insulation, and vice versa.
Therefore, a home's energy efficiency depends on a balance between all of these elements:
A proper balance between all of these elements will also result in a more comfortable, healthier home environment.
Properly insulating your home will not only help reduce your heating and cooling costs but also make your home more comfortable. Here you'll find the following information:
How Insulation Works
You need insulation in your home to provide resistance to heat flow. The more heat flow resistance your insulation provides, the lower your heating and cooling costs.
Heat flows naturally from a warmer to a cooler space. In the winter, this heat flow moves directly from all heated living spaces to adjacent unheated attics, garages, basements, and even to the outdoors. Heat flow can also move indirectly through interior ceilings, walls, and floors—wherever there is a difference in temperature. During the cooling season, heat flows from the outdoors to the interior of a house.
To maintain comfort, the heat lost in the winter must be replaced by your heating system and the heat gained in the summer must be removed by your cooling system. Properly insulating your home will decrease this heat flow by providing an effective resistance to the flow of heat.
An insulation's resistance to heat flow is measured or rated in terms of its thermal resistance or R-value.
Adding Insulation to an Existing Home
Unless your home was specially constructed for energy efficiency, you can usually reduce your energy bills by adding more insulation. Many older homes have less insulation than homes built today, but adding insulation to a newer home may also pay for itself within a few years.
To determine whether you should add insulation, you first need to find out how much insulation you already have in your home and where.
A qualified home energy auditor will include an insulation check as a routine part of a whole-house energy assessment. An energy assessment, also known as a home energy audit, will also help identify areas of your home that are in need of air sealing. (Before you insulate, you should make sure that your home is properly air sealed.)
If you don't want an energy assessment, you need to find out the following:
- Where your home is, isn't, and/or should be insulated
- What type of insulation you have
- The R-value and the thickness or depth (inches) of the insulation you have.
If you live in a newer house, you can probably find out this information from the builder. If you live in an older house, you'll need to inspect the insulation yourself if you don't want an energy assessment.