Bob is called to a new customer’s home with a 5-ton heat pump that is experiencing power bills that are considerably higher than the same months last year. Btu Buddy assists Bob in diagnosing the problem.
In this column, Jim Johnson of Technical Training Associates presents a specific HVACR equipment problem and invites readers to submit their diagnosis. From those who submit the correct answer by the deadline, there will be a prize drawing. Here is a furnace problem.
Many HVACR industry members see state-mandated certification courses as an unnecessary drudgery for renewing tradesmen/contracting licenses; however, graduates of Southeastern Building Trades Associates Inc. (SBTA) continuing education classes see the process as mind-expanding and state-of-the-art learning.
While hackers and viruses often garner the most attention in the realm of computer threats, many contractors overlook the ways that physical damage can adversely impact their business. Computer hardware failure, power surges, and/or damage from flood or fire could destroy years of work orders, accounting records, and more.
If you’re down in the dumps over the latest news and views regarding the near term state of the economy, then don’t look at the Congressional Budget Office’s (CBO’s) latest projections to brighten things up for the long run. But let’s first grasp a little history.
Sometimes it is advantageous to use more than one fan in a system. The fans may be located in close proximity to each other, or separated by quite a distance such as a supply and exhaust fan. Most often there is some compelling reason to use more than one fan in a single system.
The dispatcher calls and tells Bob that yet another person is describing an unusual smell when the furnace runs for a long period of time. Bob talks to the homeowner, checks out the furnace, and finds that it is backdrafting slightly. With the help of Btu Buddy, he tracks down the draft problem.
Amid a faltering economy, and with primaries for the 2008 elections now in process, the political landscape grows more uncertain for businesses and employers. In the coming months, four issues currently under consideration in Congress loom particularly large because of their potential impact on companies.
As noted in a Newsline story in the Jan. 14, 2008 issue of The NEWS, Johnson Controls announced that four students of Carnegie Mellon University are the first-place winners in its open letter-writing competition - Tomorrow’s Energy Ambassadors, Managers, and Scholars (TEAMS). Here is a copy of the winning letter.
This article focuses on stand-alone data loggers
in conjunction with the logging capabilities of the BAS in the context of use
by a commissioning provider. It also provides tips on specific
procedures and techniques that will enable the efficient and effective use of
data loggers to analyze building performance.