For a 35-lb tumbler the gas consumption per load is 34,853 BTUs which is $0.383 per load (assumes average cost of natural gas at $1.10 per therm). Energy to run the [...]

The MEA number used to be required by New York City. The building code has since been revised to state that MEA approvals were not required if the product was certified [...]

Mining will need a heavy soil cycle, which is a 45 minute cycle. The light soil cycle time is about 30 minutes. Temperature is completely input dependent on standard no heat [...]

The most we can say about the unit is that it's probably designed as a 50-pound tumbler. Our best guess is that it was built in the 1960's.