There is absolutely no known technique for finding a crack 100 percent of the time. However, using a combustion analyzer to test for cracks in a heat exchanger offers some distinct advantages.
Housing starts rebounded 9 percent in February following a 14.3 percent drop the month before. Permits were issued at a seasonally adjusted annual pace of 1.532 million units, down 2.5 percent for the month.
Why do most managers fail to spend enough time attending to the basics of managing people? When asked why, they almost always give some variant of the same reasons - the top seven management myths.
In this installment of the Btu Buddy series, a customer calls and says his heat pump is not running. Bob finds that the compressor is shorted to ground.
When choosing a replacement motor, you can often use the motor's nameplate to help you in making the selection, but a nameplate doesn't always provide you with everything you need to know.
When managers give useful feedback, employees know how closely their work meets the expectations of customers and managers. Useful feedback is information that tells individual employees as well as work groups how well they're doing and what to do to improve their work.
Techs interested in becoming certified in carbon monoxide (CO) testing not only need an understanding of combustion, but also low-level CO poisoning and what CO alarms do and don’t do.
In this edition of the Btu Buddy
series, Part 2 of the previous article, Bob returns to the motel that had a
heating problem to determine how air got into the closed loop
piping system.
Here are methods for performing differential
pressure measurement between two rooms or areas; airflow measurement for spray
booths, laboratory hoods, and unit ventilators; and other measurements.
A recent online poll on The NEWS Website, “Are You Finding Enough Qualified Technicians?”, indicates that many HVAC contractors around the country are still finding it difficult to fill their ranks with the service technicians they need.
RSS