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.
Information contained in these graphs are courtesy of the Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.
Teaching the next generation of HVAC technicians is an ever-evolving task. New products with advanced features are constantly released, classroom instruction methods are developed, student behavior changes, and no two students learn at the same pace. However difficult the task may seem, HVAC Excellence is poised to lead the charge via its 2017 National HVAC Educators and Trainers Conference.
The 2017 IE3 Show, held March 20-22 in Nashville, Tennessee, welcomed a record-breaking number of attendees this year, drawing in people from all throughout the country. Featuring 26 workshop sessions that included both roundtable discussions with industry veterans and ask the expert sessions where contractors could ask professionals questions on varying issues, the show was quite an informative success.
Nearly 300 Nexstar Network members recently gathered in Houston to refine their leadership skills and pay tribute to the great industry leaders that came before during the organization’s annual spring meeting. Nexstar’s Leadership Spotlight 2017: On the Shoulders of Giants featured keynote speakers who focused on personal and professional executive management topics.
Though consumers are becoming more familiar with IAQ, it’s important for HVAC contractors to facilitate conversations that focus on indoor environmental problems and solutions and then let them make their own decisions.
On April 22, people all over the globe celebrated Earth Day. This holiday serves as a reminder to many that we all need to do our part to preserve the planet. While some plant trees, recycle, or clean parks, the HVACR industry touts the potency of geothermal heating and cooling.