Bob and Tim are on the second day of an inspection of an apartment house building that has multiple split-system heat pumps. They have inspected all 60 outdoor units on the roof. They are now going to inspect the indoor units.
A preventive maintenance program at a leading New England Ivy League university demonstrates how the push for more sustainable building management has led to a growing awareness of a chronic, widespread problem for HVAC motors: electrical bearing damage.
Last week I got the chance to sneak out of the office for a few hours to visit and report on the 2011 UA Apprentice Competition. Held in Ann Arbor, Mich., it is an intense contest designed to test the skills of UA apprentices.
The NEWS interviewed contractors around the country who are taking steps to handle unexpected weather and extreme conditions that may compromise safety. The Center for Disease Control and Prevention and the Federal Emergency Management Agency have provided safety tips for businesses and consumers who can be adversely affected by this year’s strange weather patterns.
Crockett Facilities Services Inc. (CFSI), a provider of building operations and maintenance, mechanical contracting, and HVAC services to government and commercial clients, was recently awarded a contract by the National Aeronautics and Space Administration (NASA).
The tough economy has led many contractors to hunker down, conserving resources and cutting expenses. Other contractors are taking the opposite approach, investing in their companies and expanding operations to include additional profit centers. While there are different ways an HVAC contractor can go, most look to plumbing or electrical as natural extensions.
It is the time of year when I get calls for heat pumps not cooling properly. With a little prodding, I usually hear that the past month’s electric bill was also high, even though it wasn’t that hot. These calls always raise one major red flag for me. One of my first questions is if the heat pump is properly elevated up off the pad.
The poor economy has been hard on commercial businesses. In some cases, HVAC contractors still have service agreements with local malls and office buildings, but often, that work is being outsourced to national maintenance organizations. HVAC contractors have partnered with these organizations. Some sing their praises while others now turn and run.
The process of brazing ACR tubing is a common task for many refrigeration technicians. Although this is relatively simple, there are some system problems that can occur if some basic brazing procedures are not followed.