by High Performance HVAC | Air Handlers |
Find Tonnage on AHU | HVAC Equipment Nomenclature - How do I find out the tonnage on an AHU (Air Handling Unit)? The label/tag has faded all I have on file is the model number and the serial number, make.
Question Posted By Francisco the Building Engineer on May 3, 2011
Refer to the manufacturer’s website for their HVAC nomenclature of the model number and serial numbers and how those numbers correspond to the tonnage and other technical data. Or you can call your local dealer for the manufacturer and they will tell you. (more…)
by High Performance HVAC | Heat Pumps |
Converting an Air Conditioner to a Heat Pump
Can I convert my air conditioner to a heat pump?
Yes you can do this if you:
I get this question a lot in my emails and wanted to address it. The time and materials it would take to change an air conditioner into a heat pump are not worth it. You would be better off having a new heat pump installed replacing the old air conditioning unit. For me, or another HVAC technician, this would be a pet project for teaching students how to braze for refrigeration and wire heat pump controls for the proper sequence of operation.
It would be a good lesson in metering devices for air conditioners and heat pumps. It would also be a good lesson in finding all the appropriate parts for the size and model number of the air conditioner equipment.
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