I received an estimate for a Trane XR 13 A/C system. It is a 3.5 ton unit
13 Seer 8.10 rating . The out door unit model number is 2TWR3042, outdoor 2TEL3F42B1.
This includes a Bayhir1405 heat strip-5kx
40.0 cooling /37.2 heating,
T-con 401 thermostat

Installed for 5433.00

Is that a good cost or shouls I keep looking.

Thanks for all of your help

No way to tell. All areas of the country price jobs differently. Be a smart buyer and get at least two estimates.