Have you ever noticed that a blower motor rated for 120V draws about twice the amperage of the same horsepower motor rated at 240V? That is because motors are rated in watts or horsepower, and according to Watt's law, Watts = Volts x Amps. To keep the wattage output the same at 120V, it draws […]

For years, I've worked with and around people who view work, problems, and goals differently than I do. I've often told my wife that I have an issue managing and leading administrators, salespeople, and other inside staff. Why? It's because I just don't communicate in a way they seem to like. It's been 20 years […]

The topic of static pressure comes up frequently in HVAC, and it’s sometimes presented as a test that can be all-knowing and insightful about what is happening with regard to airflow in a system. To use static pressure responsibly, we need to understand what it really is and what it means for an HVAC system. […]