HVAC technicians work on fans in many ways. They install fans, measure fan performance, and adjust fan speed. This article provides important advice on how to work safely with fans.
In this installment of the Btu Buddy series, Bob is on a no-cooling call where the a/c system had just been repaired due to a refrigerant leak. Unfortunately, he discovers air in the system because it had not been evacuated.
Rarely have we had so many responses to a single System Mystery as we did for "The Case of the Baby Boomers' Heat Pump." The answers that best explained the operating conditions presented in our mystery involved the TXV and the reversing valve.
To improve the flow of materials to your people in the field and eliminate mistakes, you need to know what material is and isn't moving, and your trucks must have a standard stocking list.
On air-handling units, air intake filtration increases the life of internal filters. On air-cooled chillers and condenser coils, it prevents debris from getting into the coils. On cooling towers, it isolates debris on the outside of the tower.
Are you a technician that needs to do some troubleshooting on a totally dead air conditioning unit? Grab your tools and crank up the can-do attitude. Here are some tips for troubleshooting that air conditioner.
Typically, green buildings save close to 30 percent of the energy and 50 percent of the water that buildings of comparable size waste. Those occupying these buildings claim improved health and lower utility bills.
When attendees of Bruce Tulgan's Manager's Boot Camp are asked, "What is the hardest thing, for you, about managing people?", the same issues come up again and again. Here are the major issues and some solutions to these challenges.
In this edition of the Btu Buddy series, Bob goes on a service call and finds a failed transformer in an electric furnace. He discovers that the heat relay in the system has a shorted coil.
This article reviews ASHRAE Standard 90.1's requirements for airside economizers and discusses the underlying design decisions and benefits of effective airside economizer systems.
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