input on hvac system replacement in central tx
We are in central texas (outside Austin) where the summers are long and hot. We have a 2450 sq ft single-story home.
The home, and HVAC systems, are 14 years old. We have two systems - one serving the bedrooms (smaller unit) and one serving the other living areas (larger unit).
I believe one is 3.5 ton (Corsaire FAFF-043JAZ) and the other 2 ton (Corsaire FAFF-025JAZ). I got these model numbers off the outside units.
The larger unit has a leak in the evaporator coil. I obtained a quote from a local HVAC outfit last year:
Install a 3.5 ton 16 SEER/13 EER (410A) American Standard central A/C heat system with an American Standard High Efficiency Gas Furnace, included with the installation is a programmable thermostat, secondary drain pan, drain line safety switch, condenser slab. Manufacturer warranty: 10 years compressor, 10 year parts and 1 year labor.
Outdoor model #4a7a5042e1000a
Furnace model #aud1co80a9h41b
Indoor coil model #4txcd050bc3hca
Purchase Price: $5200.00
Less American Standard instant rebate -$500.00
Cost of system $4700.00 plus tax
10 yr American Standard extended warranty $575 plus tax
Field controls in duct UV Aire- 18 UV light (Kills mold, Bacteria, Influenza and viruses in the indoor coil.
Cost $350 plus tax
High Efficiency 4 inch filter and filter base.
Cost $325 plus tax
I think we'll be in this home for at least 5-10 more years. I'd like something which is both high quality and efficient to operate.
Above is 1st quote. I'd like to get more quotes. Any recommendations what I should ask for?
How competitive is the above quote?
Of the 3 options (in-duct UV light, extended warranty, 4" filter & base), which would you recommend?
Thanks in advance for any and all input!