I'm curious to know the specifications of my central air conditioner -
size, efficiency, etc. The labels on the condenser unit have all
faded beyond recognition except for the brand label - "RUUD High
Efficiency". The furnace is a 1969 Chrysler Airtemp 150k BTU forced
air oil burner and for all I know this could be the original air
It seems to work fine but knowing more about it would help in
determining when to replace it. Any thoughts how I might figure that
Here's the rule (IMHO) - If it says "High Efficiency" then it is old
and inefficient. Look for a label at the coil, where the refrigerant
lines go into the plenum of the furnace. My AC guy just replaced a
unit for me that was installed in 1972! We could tell by the serial
number on the coil.
on this page and tell you fairly close how many BTUH it is putting out.
It won't be the same as the tests they do at specific dry bulb temps &
conditioned space wet bulb temp, but should put you in the ballpark
providing it is delivering close to its rated BTUH; that of course is
doubtful. The condenser air temp splits are NOT on that page, the links
Yo can check the evaporator numbers but it might be oversized on a high
efficiency unit, which is probably a 10-SEER.
If you have it apart the flow rator number might be a good clue, if it
is properly matched, ha.
How is the Airflow on that Chrysler Airtemp Oil Furnace? It may have a
different design than some of the Thermo Pride's.
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