Old system. Gas furnace and AC.
Furnace is on floor with return cut into side.
No transition between coil and furnace.
Return box is rusted and coming apart.
Drain line sagging under house.

 

 

 

 

 

 

 

New system below:

New hybrid (dual fuel) system.
2 stage gas furnace and heat pump.
Return duct was enlarged to maximize capacity.
Furnace is on return box and a 10" transition
was installed between the furnace and coil.
A filter box was installed for convenient
replacement of a 4" high efficiency filter.
A new drain line was run with overflow protection.
A new Honeywell 7-day programmable
thermostat tied in to an outdoor sensor runs
the heat pump in milder weather and the
gas furnace when it's colder.
The furnace is 2 stage, running at about
65% until full output is needed.