sizing flue pipe?
michaelkelly12132003 asked: prizere coal kitchen cook stove
how do u light natural coals (hookah)?
andrew b asked: on the box it says no gas fire
and if you dont have a coil stove wat is another way of lighting them??
sorry i mean hookah coals
how do you heat hookah coals?
trampchevonne asked: does it have to be an open fire or can you do it in an oven or on the stove?
thanks
i hear natural coals are better. any opinions?
Heating for next winter-advice needed?
ed asked:
I just got a $724 bill for oil. The way the prices are going, a change needs to be made. My oil furnace is 20 years old, so it needs to go. My current options are:
1)Replace the oil furnace with a new more efficient one.
2)Convert to Natural Gas. The gas company [...]
Physics help?
number1toolfool asked: A particular household uses a 1.2-kW heater 3.0 h/day (“on” time), four 1.00E2-W lightbulbs 6.0 h/day, a 3.4-kW electric stove element for a total of 2.3 h/day, and miscellaneous power amounting to 1.6 kWh/day.
A.If electricity costs $0.120 per kWh, what will be their monthly bill (3.0E1 days)?
B.How much coal (which produces 7.0E3 kcal/kg) [...]