| Model
Description |
Energy
Efficiency (AFUE) |
Price
Guide |
| ----------------------------------------------------------------------------------------- |
| G61V
Variable Speed Gas Furnace |
up to 94.6% |
$$$ |
| The quietest furnace you can
buy |
| ---------------------------------------------------------------------------------------- |
| G60V
Variable Speed Gas Furnace |
80.0% |
$$$ |
| The quietest furnace in its
class |
| ---------------------------------------------------------------------------------------- |
| G61
Gas Furnace |
94.1% |
$$ |
| Two-stage, high-efficiency
heating |
| ---------------------------------------------------------------------------------------- |
| G51
Gas Furnace |
92.1% |
$$ |
| High-efficiency, high-comfort
heating |
| ---------------------------------------------------------------------------------------- |
| G50i
Gas Furnace |
80.0% |
$$ |
| A new approach to home heating
? and cooling |
| ---------------------------------------------------------------------------------------- |
| G60
Gas Furnace |
80.0% |
$$ |
| Efficient, consistent two-stage
heating |
| ---------------------------------------------------------------------------------------- |
| G50
Gas Furnace |
80.0% |
$$ |
| Efficient, consistent home
heating |
| ---------------------------------------------------------------------------------------- |
| O23
Oil Furnace |
up to 83.0% |
$$ |
| Clean, quiet and comfortable
home heating, with easy maintenance |
| ---------------------------------------------------------------------------------------- |
| G43
Gas Furnace |
up to 92.1% |
$ |
| Economical, high-efficiency
gas heating |
| ---------------------------------------------------------------------------------------- |
| G41
Gas Furnace |
90.0% |
$ |
| Reliable, efficient heating
comfort |
| ---------------------------------------------------------------------------------------- |
| G40
Gas Furnace |
80.0% |
$ |
| Multi-position furnace designed
to fit most any application |
| ---------------------------------------------------------------------------------------- |
| |
|
|