Andy Ask
Position: Consulting Engineer

Andy Ask has been a consulting engineer for almost 39 years and has previously served as the director of the Indoor Air Quality Association (IAQA). He has written articles for Santa Fe, is the author of H2NØ, Mechanical Systems and Moisture Control, and has been inducted into the IAQA Hall of Fame.

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Tech Tips written:

Thermal Balance Point vs. Economic Balance Point
The thermal balance point is the point at which a heat pump can move heat into the home at the same rate the home loses its heat. Above this point, the heat pump will not need any additional help to heat the home. But below it, the heat pump will need auxiliary heat with it […]
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A Field Guide to Conductors for HVAC Techs
HVAC work is never just “HVAC” work. One minute you're brazing copper, and the next you're troubleshooting a blown fuse in a disconnect or running a new whip to a condenser. Because our trade is so varied, you never know what you're going to find when you open a service panel or crawl into an […]
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Ohms/Continuity Basics
Some quick basics: An ohmmeter is used to measure the resistance to electrical flow between two points. The ohmmeter is most commonly used to check continuity. Continuity is not a “measurement” as much as it is a yes/no statement. To say there is continuity is to say that there is a good electrical path between […]
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