Liquid fuel burning heater unit

Liquid fuel combustion apparatus

Low emission combustion system

Low NOx aspirated burner apparatus

Method and apparatus for adjusting airflow in draft inducer

Method and apparatus for burning solid fuels in a combustion cha

Method and apparatus for preventing cold spot corrosion in induc

Method and apparatus for preventing splashing condensate from ac

Method of connecting a heat exchanger to a forced air furnace an

Methods and apparatus for ductlessly distributing and circulatin

Mobile heater

Mobile home furnace

Modulair air heater

Modular burner/blower system and method

Modular solid fuel furnace system

Modulating furnace having improved low stage characteristics

Multi-fuel forced air furnace

Multi-position forced air furnace

Multi-position furnace

Multi-position furnace with condensing heat exchanger