The Thermostat Lied

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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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150 Years of Actuators in One Room

From an 1874 patent to David Strain’s latest designs — this video puts them all in motion. Watch the fluid flow through each one. Understand how mechanical advantage actually builds. The history of actuator design, demonstrated side by side.

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A great asset to DDSB

David has been our primary Controls Contractor for last 25 years. We are always surprised that even today he comes up with new and innovative designs.

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The Thermostat Lied (And Your Energy Bill Told the Truth)
VAV boxes provide cooling and a heating coil in harmony, with both functions controlled by a single thermostat. When the heating valve no longer seats properly, unwanted heat continuously enters the airstream. The thermostat automatically responds by increasing cooling to maintain the desired room temperature. As a result, occupants remain comfortable while energy is wasted through simultaneous heating and cooling—a problem that often goes unnoticed because the control system masks the inefficiency.