I'm planning to replace my 20 year old A/C & gas furnace with a heat pump/gas furnace dual-fuel system.
2-story, no zoning, 2500 sqft, 3 ton existing unit.
I asked for a system that would qualify for the federal rebate, and got a quote for the following Trane system:
Heat pump: 4TWX5036 (36k BTUs)
Gas furnace: TUD1B080A9H3 (TUD1B080A9H31B?) (80k BTUs, 80%)
Using existing lines & ductwork, so do I need to ask about a dryer on those lines? (avoid quick connects in favor of copper-brazed connections?)
What about a TXV? (no mention on the quote)
What about single-speed vs. multi-speed blower? (don't I have to upgrade to a 2-stage furnace for a variable-speed blower?)
Are there still concerns about the BTU output on Trane heat pumps?
Anything modifications/options I might want to consider?
Thanks for any input!