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Yeah there have been a couple on the market for some time but are *really* expensive compared to other forms of heat, expecially with propane run into his shop. Unless the prices came way down, I haven't looked at that in a few years... still, it is a viable option for sure.

Regarding using a heat pump, depends on where in the world you live. Heat pumps are one of the most efficient forms of heat because they 'move heat' like a pump rather than 'create heat' like a fire. They are an A/C that acts in reverse. An a/c uses the freon to steal the heat from your home...

No worries. This is what I'm good at, but the car stuff is where I need the help lol.

True that the lower voltage heater draws more amps. But remember, you dont't buy power in amps, you buy power in watts (kilowatt-hrs really, which is just the watts x the amount of time you draw it). Remember that WATTS = VOLTS x AMPS So a 1500W, 100v heater (using 100 for simplicity) draws...

Not true. If we're talking about electric resistance heat, they all work the same and all are 100% efficient, meaning 100% of the heat goes into the space. 240v vs 120v doesn't make a difference at all, because WATTS is power and WATTS is V times A. The only thing making it more expensive than...

Vented heaters have a heat exchanger. So they use a flame to heat up air, that air is run across the exchanger to warm it up. That combustion air has tons of water vapor and other combustion gases in it (carbon dioxide and carbon monoxide, etc) and is run up a chimney. Typically, 80% of the...

Hey, Rob, you guys have some smart people here on the A Body board, take their advice! Evaporative cooling system, heck, as a test, you could run a garden hose up to the roof and literally connect it to enough sprinkler to cover most of the roof. It'll work. Water recovery system - take a...

Great point, I only picked the PPG because it's common paint name thrown around the B Body site (where i normally hang out). Armed with your insight, I bet Rob could lower his temps quite a bit.

That sounds nuts, but really works. The key is to cool the roof, prevent the roof from transfering the heat to the room (roof insulation) and then removing what gets through (exhaust fan in the hot zone).

Here's where i'd start. Energy star reflective coating http://www.ppg.com/corporate/ideascapes/metalcoatings/products/coolmetal/pages/default.aspx Here's some fiberglass insulation that is designed for metal buildings. If you do it a little at a time, do the roof 1st - best bang for the buck...

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In the Georgia heat, I think the cheapest and most effective temp control isn't insulation and a/c. I would spray the outer surface of the metal roof with highly reflective silver or white paint and install a high CFM exhaust fan either in the roof or as up high in one of the gables as...