This is a Pro site. So warnings to home owners/customers don't get read by them. Read More
What’s old is new again. So now that several hydrocarbon refrigerants have been approved under the EPA SNAP rules, I assume we will soon be seeing these used for resi and possibly further down the road for small commercial refrigeration units. The charge limits of 2.0 oz for resi equipment and 5.3 oz for commercial applications don’t seem to in... Read More
In a tank measure the temp of the tank and then the pressure in the tank and use a PT chart to get you close. In a condenser run just the fan for 15 or more min without the compressor and use outdoor ambient and system pressure to cross the PT chart. This is assuming someone did not mix the Freon. Read More
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hvacwalter Why are you asking this question. If you have a specific situation then please list all the info you can. Equip brand, year, size, lineset size, refrigerant, equip location ie. residential, commerical, crawl, basement, upflow, counterflow etc. Only then can we try to accurately find a solution to your problem. If you are just askin... Read More
Hey guys, I dont see alot of activity here? How about this. Since Aug 07 we have installed several air conditioners and heat pumps that seem to loose all of their refrigerant every time the temp drops below zero deg F. Only happening on Amana/Goodman units. Distributer says they are kinda, pretty, sorta, certian that the problem is with the ser... Read More
