If you have old windows, you have inefficient windows. There isn't any wiggle room here. You see, all windows that are old are NOT designed to be energy efficient. This just wasn't the focus years ago.
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If you have old windows, you have inefficient windows. There isn't any wiggle room here. You see, all windows that are old are NOT designed to be energy efficient. This just wasn't the focus years ago.
Read MoreSubscribe to Tennessee Thermal's Blog