This is a 3.0 ton 10 SEER package unit with gas heat.
The Tempstar AC model NXA636GKA100 number is a quality air conditioning unit. The tonnage number refers to the amount or unit of cooling and the seer number is for the efficiency. This model has different unit numbers to determine the tonnage and seer numbers.
5 ton
4 Ton.
No heat
3.5 tons
Ca5024qka1
2.5 Tons
46371
2 ton
3 Ton
3 ton
3 tons