The Science of ComfortTM
Whenever I stay at a hotel, I like to take a few minutes to inspect the air conditioner. Most of the time it’s a fan coil, and I think they’re pretty cool. Hopefully after reading this blog post, you will too.
Topics: Fan Coils, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Blower Coils
What actually happens when you press the “up” button on the thermostat? What makes the air “hot”? Moving heat in and out of buildings is more complex than simply heating and cooling the outdoor air. While outdoor air is typically preconditioned before becoming primary system air, there is often a need for further cooling or reheating for thermal comfort purposes.
Topics: Pressure Drop, Terminals, Fan Coils, HVAC Fundamentals, HVAC, Engineering, Tech Tip
As HVAC systems evolve to meet increasingly demanding energy codes and sustainability goals, chilled beams are emerging as a compelling solution. Their popularity is driven by their ability to deliver long-term energy savings, reduce duct sizing, lower noise levels and minimize maintenance requirements.
Topics: Beams, Thermal Comfort, HVAC Fundamentals, HVAC, Engineering, Design Engineering, Architecture
VAV diffusers help keep rooms comfortable using an individual thermostat and a built-in damper to create small zones of control. The amount of air provided by the VAV diffuser is based on three factors: the temperature in the room, the room’s set point and the temperature of the supply air.
Topics: Diffusers, Thermal Comfort, HVAC Fundamentals, HVAC, Engineering, Design Engineering, VAV Diffusers
The most challenging class from my university days was a grad-level course on thermal convection. For four months, our professor rederived our favorite fluid mechanics equations using partial differential equations. (I scraped by with a C+ and learned just enough about Navier-Stokes equations to sound pretentious.)
Topics: Static Pressure, Terminals, HVAC Fundamentals, HVAC, Engineering, Tech Tip
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