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Archive for the ‘energy monitoring’ Category

Problems with calculating natural air changes

Wednesday, March 10th, 2010

Over the years the method for determining natural air changes (denoted as ACHn or NACH) has improved quite a bit, but for use in energy auditing, the current method is still problematic. Factors like building height, geographical region, and wind shielding have been adjusted for, but there’s still no standard for measuring the volume of a building.

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Energy Monitoring: An Unexpected Benefit

Monday, February 15th, 2010

We all know the benefits of real-time energy monitoring: measuring your electrical baseload, figuring the cost of daily household activities like doing the laundry, discovering that someone left the attic lights on, and so forth. But there’s another benefit that is often overlooked. Energy monitoring can uncover malfunctioning household appliances. Fixing them can save money. (more…)