Thermal Envelope & R-Value The below graphic represents two homes - one with a poor thermal envelope versus a home with a sealed thermal envelope. Homes built and insulated without taking the thermal envelope into account have an unstable transmission of air and vapor from inside to outside and outside to inside. This results in air infiltration, which allows for abuse and over use of heating, ventilation and air conditioning (HVAC) systems. The comparison picture is of a home using spray foam insulation. This is one example of sealing the thermal envelope while maintaining a vented attic space. The HVAC system now supplies filtered, microbe free air and controls temperature and humidity levels. Now that the thermal envelope is sealed the HVAC system can work more efficiently (saving you money and saving the environment from pollution). Contact us today so we can analyze your home to determine the best value option solution for your home.
Posted on: Fri, 10 Oct 2014 00:00:00 +0000
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