need some info fast...please

Can someone give me the make, type, age, size for this:
S #: 0400E00773
M #: 38YCC036320

A lady just called and wanted some info and I wanted to get back asap.



Depends on the manufacturer.

Its a Carrier

and I believe its a 3ton, heatpump. never can figure out how to determine age.

Wow…thanks. Talk about asap. You guys rock. I learn so much from all of you. Thanks again.

Jan 2000, 3 ton