Caroline Hazard is the Principal at CHH Consulting. She has over 20 years of experience in researching, designing, and implementing sustainable energy programs and practices. Her recent projects have focused on the impact of HVAC monitoring tools to optimize occupant comfort and system performance.
In the furnace sequence of operation, the ignition sequence happens after the safeties have been checked, the inducer fan comes on, and the pressure switch closes. The ignition sequence begins with the ignitor. This part provides the heat needed for combustion (remember: a fire needs heat, oxygen, and fuel), and the ignition process looks a […]
As we get older, our understanding of the difference between good and bad—right and wrong—evolves. This understanding often first takes on the form of playing cops and robbers or superheroes and bad guys in our childhood. As we grow, especially as we navigate adolescence and adulthood, we apply the labels “good” and “bad” (or “friend” […]
In HVAC, we have a few infamous indoor air quality monsters that bring terror to our customers’ homes—gases, particles, and organisms that wreak havoc on indoor air quality (and may contribute to moderate to severe health problems). The big one is carbon monoxide (CO), which we all know is deadly. Although not deadly by itself, […]
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Caroline Hazard is the Principal at CHH Consulting. She has over 20 years of experience in researching, designing, and implementing sustainable energy programs and practices. Her recent projects have focused on the impact of HVAC monitoring tools to optimize occupant comfort and system performance.
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