When competing against other potential expeditures for approval by a building owner or manager, operations and maintenance staff and technicians need to clearly explain why money needs to be spent on the HVAC system. Retrocommissioning can help with this.
The Hartsfield-Jackson Atlanta International Airport had overall infrastructure upgrades to the Central Passenger Terminal Complex (CPTC), including HVAC equipment, drives, and control systems to increase system performance, enhance compliance with IAQ standards, and decrease maintenance and energy costs.
Apparently, contractors who do not perform residential load calculations prefer to be anonymous. Whether they think they should be doing load calcs, or whether they simply don't want to hear from people who think they should be, the respondents to our NEWS online poll largely did not identify themselves if they didn't perform load calcs on residential jobs.
A contractor notes that he hates public speaking but his managers insist he say something to inspire the troops by setting the vision. Consultant Al Levi provides some quick tips on how to present the "vision" speech.
If you need to know how to install or repair a piece of equipment - or how to sell to or service a customer who has a specific piece of equipment - who is the most logical source for the answer? You ask the equipment manufacturer.
In order to ensure the success of his Salsarita's Fresh Cantina restaurants, Michigan-area developer Steve Alie turned to the technology of Tecumseh Compressor Group's Vector Series Refrigeration System. Alie hired Air King Refrigeration, Heating & Cooling of Detroit to design and install this component.
Training is an ongoing process with no start and finish date, only a continuing timeline. That is the approach used by contractor groups such as AirTime 500 and Excellence Alliance (EAI) when they plan training curriculum for their contractor members.
Data logging has advanced through hand logging to strip chart recorders and benchtop loggers. "The true stand-alone logger is what we have today," said Bryan Welsh, P.E., of Welsh Commissioning Group, speaking at the National Conference on Building Commissioning.
At the Mechanical Contractors Association of America (MCAA) annual conference, Chris Fitzgerald and Ken Durr presented a frank session on the pros and cons of belonging to a peer group.
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