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HVAC logic improvements
APS has developed many unique HVAC logic circuits: improving comfort and reducing energy consumption. The reductions caused the avoidance of over 60,000 person-years of GHG emissions with a three-person crew.
The Perimeter’s Dirty Little Secret
Your thermostat kept the room perfect. Your heating valve had other plans. And nobody noticed — until the bill arrived.
Recent Videos
Mixed air
Mixed air in HVAC systems is the blend of return air from the building and outdoor air.
When Physics Gets Puzzling
The Energy Enigma That’s Got Scientists Scratching Their Heads
What happens when a simple invention challenges one of physics’ most famous equations? Spoiler alert: Einstein might need to make room at the table.
Questions?
Mr. Strain’s work leverages modern technology to achieve superior results. With further development, this invention could contribute to reducing energy consumption and reliance on fossil fuels, aligning with global efforts
- Article, Testimonials
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.
- Article, Testimonials
David Strain's invention demonstrated an efficiency advantage greater than 15°/o favoring the diamondshaped actuator over a conventional actuator.
- Article, Testimonials