Biggest I've seen is a 1 Million Btu boiler for a commercial building.
2" Black Pipe Natural gas main and manifold!
Had the original pilot valve, gas valve and separate regulator on it, that
had all been under water.
Can you say... scarrrrrrry?
I worked on an oil fired unit that was somewhere around that size. It
was interesting. They had a boiler big enough to duck walk in where I
took my training. It wasn't in use but impressive nonetheless.
The 'M' seems to come from Roman Numerals. I've seen 'C' (for
hundreds) used that way too. The usage amount on my gas bills is in
CCF (hundred cubic feet). The amounts on the gas royalty checks I've
seen are in MCF (thousand cubic feet).
I remember finding that 'M' confusing, when I had more experience with
There is a very popular quartz heater on the market today. People are
purchasing them like crazy. They even like the product.
Does this make it "reasonably priced" or manufactured from a "quality
No kidding... this is what people don't understand.
Which produces more heat?
A 1 - 500 watt halogen light.
B 5 - 100 watt light bulbs.
C 1 - 500 watt electric heater
D 1 - 500 watt quartz heater
E 1 - 500 watt baseboard heater
Which answer below is correct?
A They all create different amounts of heat.
B A & B are equal, C & E are equal, but D produces more heat.
C A, B & D are equal and C & E are equal, but C & E produce more heat.
D (A,B,C,D & E) All create the same amount of heat.
Correct, but incomplete, answer (have renumbered answers) is 4
But complete answer is:
A,B and D produce more radiation heat
C less radiation
E most heats buy convection
Therefore, if you are sitting exposed to sources A, B and D, you feel
warmer with the same power (sounds strange ?) as of C or E.
If you are interested ONLY in heating a room, answer 1) is ok.
But if you are interested in heating people (for example, outdoor),
sources A, B and D are very efficient options.
Let us put it this way: A,B and D are most efficient in delivering the
same amount of power of C and E, but where you need it more: on your body.
Example: a keep 64 F at home. When I am walking around it is a
comfortable temperature. But when I sit down, I start to feel a little cold.
Solution: a 150W halogen lamp with reflector pointed in my direction.
150W is not that much power, but you have to compare it to your body
heating power (about 100-200W), so if you could deliver that power to
heat yourself and not the walls of your house ... :-)
Actually, the illumination is, indeed, free. 500 watts of energy
consumed results in 500 watts of heat, regardless of what else the
energy is doing. If you have a refrigerator that consumes 500 watts
of electricity and it runs continuously, it's producing exactly the
same amount of heat as five 100 watt light bulbs. And it chills your
beer for free. In fact, if you heat your home with electricity, it
doesn't cost a dime to run all your appliances and keep all your
lights on all day and all night long (assuming, of course, that you
do it during the heating season and you're not overheating your
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