What does it mean if the furnace filter collects lots of lint just like what the dryer makes???...Perhaps the dryer is venting inside and the filter is askew and leaks in the return air or filter gap are pulling it into the furnace. Check 'em.
What does it mean if the filter has three-dozen oak leaves pressed onto it?? Today I found an unusually high bill and a handful of foliage fallen from the neighboring trees. In the attic I found a donut of leaves under the vent where the screen…Continue
The candle has been around the cave and the realm of weatherization and energy efficiency for some time now, but here’s an app which few have ever conceptualized.
In the early days of weatherization, before the thermagraph, even before the blower door, the trusty candle provided us several enlightening concepts. It would flicker when breezes brushed against its flame as a clear indicator of infiltration. Before the fancy schmancy digital manometers, a few old timers would…Continue