Rooftop systems, air handlers, heat pumps, VRF systems and more
May 8, 2017
Like last year, this year’s Cooling Showcase is split into two parts — commercial and residential. This issue focuses on the commercial side of the air conditioning industry while the April 17 issue highlighted new offerings in the residential cooling market. Included in this coverage is feature-specific information about each product as submitted by the manufacturers.
On March 28, Trump issued the Energy Independence executive order, which directs the U.S. Environmental Protection Agency (EPA) to begin reviewing — and presumably weaken the provisions of — the Clean Power Plan. The order is also designed to decrease the nation’s dependence on imported fuels, mainly by helping revive the coal industry.
By now, most contractors are offering Wi-Fi-enabled thermostats and systems that include central interfaces. Those ahead of the curve are utilizing these central interface systems to upsell customers on security cameras, camera-infused doorbells, perimeter lighting, and more.
The Mechanical Contractors Association of America’s (MCAA’s) 2017 Annual Convention opened in style with several high-profile personalities, including former Speaker of the U.S. House of Representatives John Boehner and actress Goldie Hawn, addressing the packed house.
The devil is in the details, and the wrong choice can cause issues now or in the future
May 1, 2017
When replacing a component, it is generally best practice to obtain its replacement by referencing its part number and installing a component with the same part number. Unfortunately, this is not always possible or practical. Due to the nature of the systems we service, many times we are forced to select a replacement component based on either a cross-reference or by matching its specifications to those of the original component.
R-404A is being used by OEMs in new equipment and also on retrofitted equipment. However, because of its high global-warming potential (GWP), the U.S. Environmental Protection Agency (EPA), under its Significant New Alternatives Policy (SNAP) program, has listed R-404A as an “unacceptable” refrigerant in a number of retail food refrigeration categories and in vending machines end-uses.