The Economizer That Was Leaving Money on the Table

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The Cure That May Have Made Things Worse

Some HVAC measures mandated for COVID and Legionnaires’ disease may have increased the very risks they were designed to prevent. The evidence didn’t always support the mandate. This video examines what the data actually shows — and what better alternatives look like.

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Fighting climate worry

Let’s be honest – if you’re in eighth grade right now, you’ve probably heard some pretty scary stuff about what the world might look like when you’re older. Two big worries keep coming up – climate change and running out of fossil fuels.

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Letter of support

David Strain’s invention demonstrated an efficiency advantage greater than 15°/o favoring the diamondshaped
actuator over a conventional actuator.

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Questions?
Conventional enthalpy control of economizers often misses a significant energy conservation opportunity. The control circuit suggested in this video maintains the same occupied space temperature while reducing the percentage operating time of mechanical cooling. By increasing the the off time while maintaining identical compressor run time, the system achieves meaningful energy savings without compromising occupant comfort.