HVAC systems can be quite complex and need to be carefully adjusted as well as regularly maintained to work at maximum capacity. Commissioning in HVAC is the process of ensuring that commercial HVAC systems work as intended. There are three types of commissioning: the initial commissioning, retro-commissioning, and re-commissioning: Commissioning applies to an HVAC system […]
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HVAC/R Tool Calibration
HVAC/R technicians use a variety of instruments to test whether or not equipment is working correctly or in accordance with the manufacturer’s specifications. Such instruments can measure temperature, pressure, and electricity, as well as detect refrigerant leaks and gas leaks. To ensure these instruments are providing accurate readings, technicians or manufacturers must test and calibrate […]
Read MoreThe Ultimate List of HVAC/R Trade Associations
Membership in HVAC/R trade associations represent various professionals in the industry allowing them with opportunities for networking, staying updated on current trends, etc. Some associations also offer EPA certification, a requirement for any technician working with refrigerants. 1 Learn about some of the HVAC/R trade associations in this article. Guide to HVAC/R Trade Associations 1. […]
Read MoreGraduate Connections – Meet Danny Williams
Danny, 52, was born in Oceanside, CA, but he came to Arizona at the age of 13. Danny has been married for 28 years and has six kids, three of whom are adopted. Danny graduated from the Electro-Mechanical Technologies program and rolled straight into the Mechanical Maintenance Engineering associate degree program. Danny graduated with his […]
Read MoreNational Inspection Testing Certifications (NITC) for HVAC/R Techs
In addition to training and experience, HVAC/R technicians who have HVAC/R certifications look good to employers as well as customers because they show that you keep up with the latest developments in the industry. The National Inspection Testing and Certification Corporation (NITC) is a third party provider that tests and certifies professionals in some skilled […]
Read MoreWhat Is an HVAC Compressor?
We’ve all appreciated air conditioning on a sweltering summer day, but generally only those who have taken HVAC classes know how the units work. Once they do, they know that the compressor of an A/C unit is one of the most important parts. 1 What Does a Compressor Do? By definition, the word “compress” means […]
Read MoreWhy Is Refrigerant Recovery Necessary?
Refrigerant recovery technology has come a long way in the last 25 years, but many HVAC/R technicians still find that it takes a long time to perform this step during service calls. When schedules are tight, technicians may be tempted to vent refrigerant instead of recovering it. Taking such a shortcut is a big mistake. […]
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