I am down to four quotes all Trane....need help in deciding which to go with. XL61i or XR15 (I live in North Florida)and Manual J came back at roughly 4.6.

A)XL16i - $9933 (More reputable shop)

�4TWX6060E1000A - XL16i R410A 5 TON HEAT PUMP 37x34x50 60amp 7/8 3/8 74db

�4TEE3C09A 1 OOOA - TRANE VARIABLE SPEED COMM. AIR HANDLER

�TCONT803 - HEAT PUMP PROGRAMMABLE THERMOSTAT

�LlNESET22530 - 3/4 INCH LlNESET UP TO 50 FEET

�BAYHTR1410000A - 10 KWHEAT STRIP FOR AIR HANDLER

�PVC FLOAT SWITCH - PVC FLOAT SWITCH FOR AIR HANDLERS

�OPEN STAND - OPEN STAND

�DUCTBOARD - DUCTBOARD SUPPLY TRANSITION

�Permit - change out 1 system

�HP-AH-1 - Remove/Replace Outdoor Unit with Air Handler Retro 1

�Install new 220 services

�12 years compressor, 10 years parts, 2 years labor

B)XR15 - $7522 (More reputable shop)

Difference from A

�4TWR5061E1000A - TRANE XR15 15 SEER HEAT PUMP 60 AMP 7/8 3/8

�4TEE3F66A 1 OOOA - TRANE VARIABLE SPEED R410A AIR HANDLER 26X21X63

FILTER SIZE 20X25X1

�Use existing in house thermostat (Home Depot Brand)

�10 years compressor, 10 years parts, 1 year labor

C)XR15 - $6720 (Single guy has his own business)

Difference from B

�Honeywell 900 Touch screen thermostat

D)XR15 - $6920 (medium reputable shop but seems to be using downsized components)

Difference from B

�Condenser - ( 4TWR5060 )

�Air Handler - ( 4TEE3F65 )

�T- Stat - ( Honeywell Vision Pro 9000 Touchscreen )

�Will do additional duck work