When contemplating improving our home’s performance it helps to have a general guideline or ordering of priorities when making the decisions that provide the most benefit for our investment. It’s important to look at the house as a system where each part interacts and ideally works together with the rest. If we ignore this interaction and focus our attention on single source solutions, at best we miss opportunities to leverage our decisions and in the worse case cause unintentionally negative results.
Posts Tagged R-value
Ductwork Testing
Apr 29
Based on field testing conducted statewide over a number of years, the California Energy Commission estimates the average duct leakage in California homes regardless of size and vintage to be 30%.
This translates into an increase in heating and cooling costs of approximately 20% for the average home.
In an assembly where components have different R-values, thermal bridging occurs when the component with the lower R-value spans from the inside surface to the outside. A wood framed wall is a perfect example of this. The studs have an R of 1.0 per inch of thickness, compared to fiberglass batt insulation at 3.5 R [...]
What comes to mind when you think of energy efficiency?
It’s also important to keep in mind that energy efficiency isn’t about giving up things like comfort and convenience. It’s about getting more out of the resources we already use. We can enjoy a comfortable, well-lit home while being energy efficient and saving money too.
