Some utility companies and public agencies have rebate programs in place to encourage customers to upgrade their existing standard-efficiency motors to NEMA Premium™ efficiency motors. Yet, to accurately estimate energy savings and determine annual dollar savings requires knowing the efficiency of the existing motor.
The chiller maintenance tool that contributes most to a chiller’s overall efficiency is the daily log. An accurate daily log will provide a daily snapshot of the chiller’s operating characteristics and make abnormal conditions easy to spot.
This segment of the article series discusses communication skills for technical professionals. Some technicians try to avoid the customer service side of the job, but that’s something that is impossible to do.
In this installment of the Btu Buddy series, Bob and Btu Buddy meet on another job that has a low charge. This unit has a thermostatic expansion valve (TXV). They determine the evaporator is starved for refrigerant and check to see why.
Many customers want high-efficiency products; others should consider it. And why not? Energy efficiency makes economic sense. Regularly tied to reducing emissions or green building, you don’t have to believe in global warming or going green to be an energy efficiency advocate. Energy efficiency saves money, keeping more dollars in the pockets of your customers.
Many organizations promote non-management employees who perform well into management positions. Often, however, these new managers are not prepared to perform the basic tasks of management.
In the latest sign that the housing market remains in a correction phase, housing starts rose 2.3 percent in June to a seasonally adjusted annual rate of 1.467 million. However, building permits, which are considered an indicator of future building activity, were down sharply.
Hot gas bypass is recommended when
the load on an evaporator varies and operation of the air conditioning system
is desired at lower than design conditions. This article covers standard
(external) hot gas bypass.
Noisy indoor unit complaints usually fall into one of six different categories. Problems include a loose, broken, or out of balance blower wheel. Here is a discussion of possible causes and items to check.
This article discusses some of the things that technicians need to
understand about customers and what they want from a technical professional or
any business they buy from.
RSS