The compressor's discharge temperature is often an overlooked temperature when troubleshooting a refrigeration or A/C system. However, it's very important because it's an indication of the amount of heat absorbed in the evaporator and suction line, and any heat of compression generated by the compression process.
The International Builders' Show regularly boasts of attendance figures that make it one of the largest expositions in the United States. In that count this year were a high number of HVAC-related businesses. Why so many HVAC companies? As the famous bank robber Willie Sutton said when asked why he robbed banks, "That's where the money is."
Geothermal technology has shown strong promise in schools, where the long-term commitment to such buildings, as well as a desire to demonstrate energy conservation, are prompting this approach.
Geothermal heating and cooling can be achieved with at least four different configurations. This article provides details on those configurations, as well as answers to commonly asked questions about the technology.
There's a simple rule in the industry that HFC-404A refrigerant needs to be used with POE oil. Yet there are reports of HCFC-22 refrigeration systems being converted to R-404A, but without changing out the mineral oil to a POE. So, can R-404A work with mineral oil?
At age 11, Aaron Grace was installing HVAC systems. He was also taking, and passing, NATE exams. Now he is a seasoned veteran at age 14, expanding his knowledge of HVAC service and installation in both the commercial and residential markets.
With the various technologies and system designs in our industry, it is quite difficult for technicians to be initially proficient with all the different systems they come across. A good technician will seek knowledge and will research and study any technology unfamiliar to him.
At the Sorrel River Ranch Resort in Utah, nestled amid red rocks and along the banks of the Colorado River, geothermal technology is creating indoor comfort for guests who spend their days in the outdoor grandeur.