Not compared to today's standards. It is a 13 SEER unit which is the least efficient unit produced today
It is a 4 ton ten seer a/c condenser
It is a Goodman 3.5 ton 13 seer Heat pump.
Tonnage is usually a multiple of twelve, so 5 Ton, 12000 BTU = 1 ton of cooling
1.5 ton/10 SEER
8 SEER, 2.5 ton, 1989
10
10 seer
10 SEER, unit is circa 2000-2001
13 SEER 3.5 Tons.
The Goodman CK30-1A is a 10 seer air conditioner unit. It is usually installed in commercial buildings such as restaurants and move theaters. These units were built in the early 2000's.
21000btu, 10 seer