- All furnace models feature a standard silicon nitride igniter
- 80% furnace models feature aluminized steel heat exchangers to conduct heat quickly and increase durability
- Ameristar furnaces are built for flexibility to suit varied installations
- 80% furnaces are fully convertible to either natural gas or propane, making them suitable for use in any area
- Cabinets are constructed of corrosion-resistant galvanized steel
- Certified to 1.4% cabinet air leakage