Now that we have made our way through the specific recommendations and energy saving tips contained in the Energy Efficiency Evaluation Report on our house under the ecoENERGY Grant program, the report next turns to the estimated amount of energy used to head our house.
Now, we are introduced to a new term, gigajoules, or GJ for short. As the report explains:
Now, I won’t pretend to understand why space heating energy consumption uses an electricity based measurement, because I don’t (we use natural gas as our heating fuel). However, for the homeowner, much like for the reader of a financial statement, what is important is the relative amount of change, regardless of the measurement.
The chart provided in the report showing our estimated annual heating energy consumption is below:
Wow! If we implement all of the non-space heating recommendations (ENERGY STAR windows counts I guess as a non-space heating recommendation), the report estimates we would save up to 43 percent of our heating related energy consumption. A picture is worth a thousand words, that that one speaks volumes.
It would be nice to understand which specific recommendations are the ones making this impact, but it does not in this section.
However, this is a relatively minor point. The next section provides more detail. We will review the Estimated Heat Loss section when we resume our ecoENERGY Grant posts on Tuesday of next week.
To continue with the next article in this series, simply select this link to Part 13.
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