Alum or tin coil?
Finally decided on the Carrier 3 Ton -AHRI 3636432....If I could offer 1piece of advice is to get a AHRI print it out met installers at the truck and visually check the equipment number from the get go... Wrong coil on truck then 3hours later finally came up with coil number CNPV*. 3717 ALA instead of the 3717 ATA number that was quoted... Install mgr states the ata was for tin coil but ala coil is aluminum and that the AHRI set up is correct using the aluminum coil.. What are your thoughts on this statement ? not happy with installers -they stated they did NOT know change various coils, or heater, condenser changed the SEER or EER of a system (really) is that normal ? I requested a NATE certified tech to come out...should I be concerned ?thanks for input you guys always so helpful :)