Perhaps definitions of "decent insulation" vary. :) A thoroughly cold-soaked concrete pad + lots of cold metal (like a car?) will suck up the BTUs while defrosting... On 1/5/18, Forrest Christian (List Account) wrote: > 10kW still may not be enough for a 2 car garage. My recollection is > somewhere between 40-50k BTU is needed for this space, and a quick google > search agrees. And I'm sure it's probably higher up here in the > frigid north (I'm in Montana, got down to -13F/-25C over new years, one d= ay > it didn't get above -3F/-20C, so I understand the cold). > > 10kW is only 34K BTU. I'm not surprised 5.6K didn't even touch it. > > If I can't do propane or natural gas, I'm a big fan of the > dyna-glo convection kerosene heaters. I just looked, the one I use is 23= K > BTU. $100US or thereabouts. Or there are various tri-fuel units > available. Keroscene is not odor-free, but it definitely isn't any > worse than you'd find in most garages, etc. > > On Thu, Jan 4, 2018 at 10:24 PM, V G wrote: > >> On Mon, Dec 11, 2017 at 6:24 PM, John Gardner wrote: >> >> > Two-car garage? With "decent insulation" 5.6 kW oughta >> > >> > run you out of there... "8) >> > >> >> I was really hoping for this to be true. Toronto just hit -21 degrees C >> (-35 with "windchill") today. Luckily, it doesn't usually get any colder >> than this. >> >> Although I didn't yet plug in my 5.6kW 240V heater (I still have to run = a >> proper 240V 50A line into my garage), I did use a portable generator and >> hooked up a total of 4.6kW of electric heaters for temporary use. Even >> after two hours of heating, temperature was still below 0 degrees in the >> garage. It was enough to allow me to work without winter gloves with all >> of >> the heaters surrounding me, but still definitely needed two layers of >> clothing and a winter jacket. >> >> I think I'll end up needing at least 10kW to get the garage up to >> comfortable temperatures quick enough. I'm aiming for at least 10 degree= s >> so I can work comfortably with just a sweater. >> >> A NEMA 6-50 receptacle and a couple of NEMA 6-30 receptacles should also >> be >> useful for my welding equipment and a possible future electric car. >> >> Anyone have any references to electrician's guides or any documentation >> of >> that sort to make sure I stick to the electrical code for this permanent >> installation? >> -- >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > > > > -- > *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* > Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 > forrestc@imach.com | http://www.packetflux.com > > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .