We just purchased a home and are in the process of moving the current furnace to the attic so that we can get some more space in the house. I'm having trouble deciding what of the current furnace and AC system to reuse and what to replace.
Our general contractor told us that it is risky to reuse the current furnace because parts in the furnace get brittle after use and might break during the move. I also got a quote from an HVAC specialist and the specialist said reusing the furnace is fine. Both individuals are reputable, so I'm not sure what to make of the differing opinion. Which person is right, and what would you do?
The furnace was manufactured in 2011 and is a Bryant Legacy 80 Model 310JAV04209 with 84-88k BTU/hr depending on orientation. We'd have to change the orientation of the furnace from up-flow to horizontal flow if we were to reuse it.
Our general contractor is suggesting to replace the furnace with an 80K or 100K 80% Frigidaire furnace that is roughtly $$$. I'm not sure which model, and I don't know if it's going to be better or worse than the current furnace in terms of performance.
I also have a dilemma about the AC because we also need to replace the AC coils because of the airflow direction change. Our AC condenser is a Frigidaire FS3BA-036KA 3 ton, using R-22. The unit was manufactured in 2005. Our general contractor and the HVAC specialist have recommended replacing both the condenser and the coils, but the cost is significant.
A replacement AC system is $$$$ for a 3 ton system (Payne PA13NA0336000 13 Seer), $$$$ for a 3.5 ton system (Heil N4A342AKB) or $$$$ for a 4 ton system (Fraser Johnston TCGD48S41S3), installed. Alternatively, we can just try to find new coils to match our old Frigidaire condenser for $$$$.
I'm not sure if trying to match the coils will be a waste of money and time, or if it's worth a try. We live in northern California, and so AC is not a major concern.
If the recommendation is to go with a new AC condenser, I'd appreciate any guidance on picking the best condenser.