Emerson at 2018 AHR Expo
Enhancements to the third generation Copeland scroll compressor will help meet new DOE minimum efficiency standard for rooftop units.
Month: February 2018
“In an age where nearly everyone has a smartphone, customers expect that mobility, connectivity and tech savviness will extend to the home service vendors they choose to work with,” said Jay Jaffin, chief marketing officer at Verizon Telematics. “By simply connecting their vehicles and technicians, businesses can anticipate changes to schedules, handle more last-minute jobs, send a different technician to the next job if one is running late and most importantly, drive huge gains in customer satisfaction.”
Rob Falke received many comments about how airside testing and diagnostics have been the answer to many unseen customer complaints across the country. Here, he offers a deeper look into airside diagnostic solutions. READ MORE
Feb. 19, 2018 WASHINGTON, D.C. – Not content with last year’s appeals court ruling reigning in the EPA’s power, U.S. Senators Bill Cassidy (R-LA), John Kennedy (R-LA), Tom Carper (D-DE), Chris Coons (D-DE), Susan Collins (R-ME) and Jeff Merkley (D-OR) introduced the American Innovation and Manufacturing Act, bipartisan legislation that would support the worldwide transition towards next generation coolants pioneered by what were described as “innovative companies in Louisiana and other states.”
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CHECK OUT THE RSES MEMBERSHIP DEAL
Membership Deal—RSES is celebrating its anniversary all year with specials for new and lapsed Members. To kick things off we will offer $108 Memberships for new Members and those who haven’t been a Member for at least two years. The offer is 85% of regular Membership dues. CONTINUE READING
—In 2018, RSES will be celebrating its 85th year as the HVACR Training Authority. Members new and old, sister associations and partners and industry professionals offering products and services to HVACR professionals are invited to help us celebrate this momentous year by taking advantage of membership discounts, store specials, magazine ad deals and much more. CONTINUE
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TEST METER SAFETY
Choosing the proper meter and leads are very important to the success and safety of the HVACR technician. Always choose a meter that has the highest category rating that you can afford. This is preferably a CAT 4, 600v rating. Make sure that the test leads carry the same for your personal safety.
For more of this information on choosing the proper test equipment, obtain the series of the Technical Institute Manuals, available at the ONLINE STORE at RSES.
RSES has released its Preparing for the NATE Exam: Commercial Refrigeration Instructor CD and a new Service Application Manual Chapter. READ MORE
USA: A top White House official has said the Trump administration will need concrete evidence of its economic benefits before backing the Kigali Amendment to phase down HFC refrigerants.
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WHAT ARE AIR CHANGES?
An air change is how many times the air enters and exits a room from the HVAC system in one hour. Or, how many times a room would fill up with the air from the supply registers in sixty minutes.
Engineering room airflow may present a real challenge when balancing an HVAC system. Most calculations only use the heat loss or gain of a room to decide on required airflow and often don’t take into consideration required room ventilation needs. Let’s take a look at how an air change calculation may simplify this step in your air balancing.