Shop heat - Page 3 - Woodworking Talk - Woodworkers Forum
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post #41 of 52 Old 05-28-2016, 12:37 PM Thread Starter
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The foam works fine. I would use polyisocynanuate (spell check) if I was doing it.
It's a foam board with an reflective covering on both sides. The foam is not exposed and I suspect you could prime and paint it if you got tired of reading the crap printed on the surface. The reflective qualities help a great deal as a barrier from the hot or cold, and you can get it in several thicknesses.
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post #42 of 52 Old 09-08-2016, 12:41 AM
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Man.. My shop can reach about 115 degrees during the summer.. Brutal!
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post #43 of 52 Old 09-01-2018, 12:36 PM
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I have a detached 24'X24" garage that is COLD in the winter. Has anybody thought of using a RV furnace? There is no exposed flame on the inside, and it should do a good job of heating a shop.
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post #44 of 52 Old 09-01-2018, 04:29 PM
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Originally Posted by kb7kuh View Post
I have a detached 24'X24" garage that is COLD in the winter. Has anybody thought of using a RV furnace? There is no exposed flame on the inside, and it should do a good job of heating a shop.
Old thread, but a good thought, I might give that a try.
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The Other

If you do what you've always done, you will get what you've always got.
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post #45 of 52 Old 09-01-2018, 09:22 PM
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I use a space heater in the winter and when it gets really cold I have another heater I turn on. I have a window AC unit for summer and I run one or the other 24 hours a day. I work in the shop every day and I want to be comfortable.
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Don in Murfreesboro, TN.
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post #46 of 52 Old 10-12-2018, 10:15 AM
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It's quite chilly in my shop usually, especially in fall. We are in the North now, after all. I am also a hunter, by the way, so I bought myself a nice, warm <a href=‚ÄĚ‚ÄĚ/ rel=‚ÄĚdofollow‚ÄĚ>base layer for hunting</a> And most of the time it's enough because it's warm but I am thinking about additional heating, too.
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post #47 of 52 Old 11-19-2018, 09:50 PM
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I use a nice old pellet stove, works great, R-30 plus in ceiling,, R-13 in walls. Detached building. 2/3 is garage, 1/3 is workshop..
Years ago used torpedo heaters , and other kerosene heaters in a different building,, NEVER again,, kerosene leaves a residue on walls and everything,,,
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post #48 of 52 Old 11-19-2018, 10:02 PM
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I have hanging gas heaters in both shops. I don't run either one unless I have a job that needs warm air, I just wear a coat. Both heat the space in just a few minutes.
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post #49 of 52 Old 11-21-2018, 10:02 PM
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Sadly, I have a rolling plug in heater thatís perfect for a room in my house, but not my garage. If itís next to me while Iím at the bench, it works, but anything more that 3í away and itís like itís not even in there.

Iím planning on a major garage renovation next summer, and second on the list to more space is insulation. Iím going to look at some of the suggestions in this thread to make the rest of this winter more bearable.
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post #50 of 52 Old 12-15-2018, 04:42 PM
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I have two 1500 watt infrared radiant heaters mounted to the ceiling ($40/piece). I leave one on all the time when it's cold outside. When I walk into the shop the air will be cold, but the objects inside will be fine. This is good because if I was heating the air, I would be losing heat through all the cracks and openings while I'm not there. To warm the air up, I just start moving around or turn on a fan. The heat stored in the machinery, tools, and concrete warms the air in no time. Be sure to point your heaters at the massive objects in your shop. You can point them at you, but it does feel a little weird to get heated from the top of your head down.

My best advice when using any kind of space heater is to get an external thermostat that can switch the whole heater load. Built in thermostats tend to only measure the temperature of the heater. The end result is that it will regulate the rate of heat input with disregard to the actual temperature in the building. I have an old industrial thermostat, but I think consumer models are now readily available at your local home store.

If I ever decide to upgrade, I would probably install a gas powered instant water heater. For heat, you can add a small circulating pump and set up for radiant heat, or pump the water through a forced air coil to heat the air. The added bonus would be that I would have added running water to the shop, and the ability to add some humidity if needed.

Gas or electric space heaters on the floor take up valuable real estate, and it's not fun to have to step over them all the time.
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post #51 of 52 Old 12-18-2018, 01:24 PM
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Shade air temps where I live (53N) swing from -25F up to +110F.

The entire west side of my house is a wall of grape vines for shade (and it works really well.)
My one and only suggestion is "insulation first" and lots of it.
Keeps the heat out in the summers. Keeps the expensive heat inside in the winters.

I heat the whole house with a big pellet stove. That's good.
All of the downstairs is stud-framed, insulated and drywalled.

The shop is curtained off, might sink to 16C/60F most winter days.
I have a single 1kw electric heater with a built-in fan.
If I keep the curtained doorway closed, I can see 70F before too long.
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post #52 of 52 Old 01-26-2020, 02:11 PM
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I found out that the person that built the shop insulated the walls with sound insulation. Guess he was not concerned about the cold. Now I will have to re sheet rock the walls.

Not what I wanted to do, but I can rewire it at that time. Only 3 outlets in the shop is not good.
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