Bourdon Tube Advantage Investigation
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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.
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.
God’s Earth, Our Responsibility: The Faithful Path to Clean Energy
Long before climate change became a headline, Scripture called us to care for creation. In today’s world, choosing clean energy isn’t just smart—it’s sacred. As people of faith, we have the opportunity to align our values with our actions and leave behind a legacy of life, not loss.
Bourdon Tube Investigation
Industry experts contacted indicated that the volume of a Bourdon tube does not change while flexing or they had no data on this consideration. If the industry consensus is true, work output can exceed work input (Wout ˃ Win) as per an APS experiment.
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.