Thanks for that detailed insight Billy. I will hit the high notes.

Originally Posted By: Planobilly
Eddie, first question is do you have room in you electrical panel to add another circuit breaker?

I have room for 8 more breakers.
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With the building you are talking about a window unit would be the best option. That needs to be on it's 20 amp circuit. You can also plug the two heaters into that outlet in the winter.

That's the kind of thing I wouldn't have known. With whole house central air I never plug a room/window AC in to know that. The AC would be mounted in a slot cut into the wall because I will probably not have windows (That can be broken out by thieves. I live in the hood.).
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The size of the AC depends on the insolation in the walls, floor and roof.

I had planned to do 2x6 studs instead of 2x4. That only cuts into room space slightly and allows for more insulation. If I don't do spray foam I will go with Roxul. Remembering that expensive is a relative term and this is a small room, it'll be okay. I will have stuff in that building I want insulated from the cold. This is only 192 sq ft.
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Best case scenario is to install two new 20 amp breakers in you panel if you have the space. Breakers are cheap enough and all the other wire to the building will be the same.

Likely how it will go. In fact there are 4 breakers in there just sitting in slots, not even wired to the power legs in the box. Just there to be there for future expansion. Like I might be doing now.
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If the ground is not too hard I would advise driving a additional ground rod into the ground next to the new building.

Not a problem in Ohio. The one next to the house is down 6 feet.
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I would also run CAT 5 or whatever in the same trench. Keep the router/switch in the house. Fiber would actually be better but that gets pretty pricy with the conversion boxes from CAT to fiber.

I had planned all along that if I do this it will be hard wired. I have a guy for that! Former co-worker still has rolls of CAT5 and cable ends in his home at all times. That would run through conduit in a trench underground to the place I bring it into the house, which is the room where my switch is. (I have a switch in the bedroom for 2 things to run on CAT5. That switch runs under the floor to another switch, the one in the room where I am sitting right now, which is the one that goes to the Linksys router. That "main" switch is where that building would connect directly to.)
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You can always use wireless but for me with a one gig fiber connection to the internet I don't use wireless much except for my cell phone.

I try to avoid wireless unless there is no option. 3 PCs in this room where I am sitting and a computer and smart DVD player in the bedroom are all on the 1 gig ethernet home network, connected to my 230 mbps internet connection.
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The skylights will add to the AC needs.

I know that but the idea of using natural light makes me happy.

Very useful, precise information. Thanks for taking the time to do that.