Hi, I am replacing my HVAC system and I have lurked around the board reading the advice given. I have received some proposals and have been offered an American Standard system (AHRI # 3450443) by 2 contractors. I have been trying to find information on the AS Basic condenser unit 4A7B4048E1 without success. I note that AHRI #4A7A5048E1 with AS Allegiance condenser unit 4A7A5048E1 does have information on it out there.
Please help me and explain what difference there is between the Basic and Allegiance AS Condenser. One contractor quoted an additional dollars for the Allegiance condenser? These 2 AHRI systems have the same coil and heater. Should I accept the Basic model?