Author: Oanh Nguyen

Modern refrigeration is a big deal, and it’s not a stretch to say it’s one of humanity’s greatest achievements. It prevents bacteria, yeast and mold, […]

During World War II, the message movies, newspapers, and good old Rosie the Riveter sent women was to do their part to help defeat the […]

The energy industry is expanding, and our infrastructure is aging away. Welders are needed across the country now more than ever. 1 But the job […]

The Department of Energy (DOE) recently enacted new efficiency standards for the types of water pumps used to circulate cold and hot water in commercial […]

We love our conveniences like air conditioning and lighting—so much so that we’re willing to spend money on them. And we spend a lot of […]

Nearly half of residential energy costs are from HVAC units. Evaporative cooling can be less expensive to purchase and typically require less energy that other […]

Variable refrigerant flow (VRF) system installations are increasing as the heating and cooling source in hotels, schools, and multifamily residential buildings. The VRF industry is […]

There are regulations for many industries including HVAC. Air balancing an HVAC system is one of them. Let’s examine the importance of air balancing in […]

As an HVAC technician, you obviously need to have technical expertise. You may also need good “soft” skills like interpersonal skills, especially when you work […]

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 […]

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 […]

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 […]