I would guess at 6000.
fedders a/c model # 816cs-2
It could be anything depending on size and age. There should be a label on the front of the unit when you take the front cover off.
6000
12,000
This sleeve fits model FEDDERS A1A10W2C A/C unit.
I would go on the brand Web site and input the model.
The tonnage for a Heil air conditioner model # ACS030a2c1 is 2.5 tons. The 30 in the model number indicates that the air conditioner is 30K BTU's which makes it 2.5 tons.
What is the day and night air conditioner model number 561aj036-a tonnage?
Serial # tells you the year of manufacture not the model #.
Goodman
Yes
1999