Written by Brad Crawford
This past summer, your Dallas HVAC system’s performance was affected in part by your home’s insulation levels. Just as insulation helps keep cool air in, it also helps keep cold winter air out. As the seasons change, it’s important to assess your home’s insulation to ensure there’s a sufficient amount to maximize Dallas HVAC performance this winter. Here’s how.
Every type of insulation resists heat flow to a certain degree. This “thermal resistance” is called the R-value. Higher R-values indicate greater thermal resistance. They depend on the material, density and thickness.
Assess Important Areas for Insulation Levels
The easiest places to check for adequate insulation are unfinished attics and basements. It’s impossible to see how much insulation is behind a finished wall unless you have an infrared camera. Consider an energy evaluation to take advantage of this technology and find out where insulation is lacking in finished areas of your home.
Know What Products are Available
• Blanket insulation in the form of batts and rolls are flexible products made from rock wool or fiberglass. They are most appropriate for use between floor and wall joists or ceiling rafters.
• Loose-fill insulation is made from cellulose, rock wool or fiberglass and must be blown into place with professional equipment. It is most often used in unfinished attics, wall cavities, and in irregularly shaped areas.
• Foam insulation made from open- or closed-cell polyisocyanurate or polyurethane is sprayed into place with special equipment. Closed-cell foam in particular provides higher R-values while taking up very little space.
• Rigid insulation comes in flat panels or curved shapes to cover piping. They provide the greatest R-value when space is limited. Aside from insulating pipes, rigid insulation is sometimes used to insulate foundation walls.
• Reflective insulation provides a radiant barrier to reflect heat and reduce downward heat flow. Its best application is in the attic of a warm-climate home.
Use this knowledge to improve insulation and make it easier for your Dallas HVAC system to perform admirably this winter. Then contact us at Crawford Services to learn more about efficient home heating.
Our goal is to help educate our customers in North Texas about energy and home comfort issues (specific to HVAC systems).
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