Aug
20
2008
0

How to Choose Energy Efficient Windows

A typical NFRC window label gives you the information that you need about window performance.

A typical NFRC window label gives you the information that you need about window performance.

Picture of a typical NFRC window label – Snagged from the NFRC website.

Almost everything you need to know about windows can be found on the NFRC label that comes on the window, and your window dealer should be able to furnish you with this information before you place your window order.
What you will find on the NFRC label (more…)

Aug
06
2008
1

Building a Tight Thermal Envelope

Simple things like caulking around pipes will make your home more comfortable and save a lot of money and energy.

Simple things like caulking around pipes will make your home more comfortable and save a lot of money and energy.

The Airtight Drywall Approach to a Tight Thermal Envelope

The building envelope is the part of the house which separates the indoors from the outdoors, and consists of the floor on the bottom level, the ceiling on the top level, the exterior walls, the exterior floor bands, and of course the doors and windows. The standard house envelope leaks air like a sieve and accounts for something like 30 percent of climate control costs due to air infiltration alone. Fortunately during construction it is cheap and easy to make the thermal envelope much tighter and to make a considerable improvement in the energy efficiency of the finished home. According to the Federal Energy Efficiency and Renewable Energy website “Such airtight homes often consume one-third less energy when compared to similar unsealed homes.”

During the Framing Process

  • Seal under the exterior walls – I recommend that you use construction adhesive to glue your exterior walls down (more…)
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