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A climate in crisis. There is a workable solution

APS Controls introduces an internationally patented invention capable of reducing global fossil fuel consumption by over 33%, which could save $832 billion annually. Despite its potential, the invention faces rejection from governments, universities, and environmental organizations without substantive technical critique.

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DX Cooling Opportunity

HVAC systems that mix fresh air and building return air to varying quantities for cooling purposes often have control logic comparing the total heat content of the outdoor to the total heat content of the return air.

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How efficient are HVAC systems in filtering virus

The APS manual highlights concerns about the effectiveness of HVAC system upgrades in mitigating COVID-19 transmission. While authorities have recommended increasing ventilation and upgrading filters to MERV 13, APS questions the necessity and efficacy of these measures.

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Potential to reduce energy consumption

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 to combat climate change.

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