Consider LP gas space heaters with a power pile gas valve setup. You don't need any electricity to run them and they come in different sizes so you'd find some suitable to your needs. Moving a brick building huh? Good trick!

Probably an LP floor furnace or a decent-sized wall heater with wither a powerpile or a bulb-type control. A floor furnace my not be practical in a workshop. The only problem this presents is the need for standing pilots, and personally I don't like a standing pilot with LP.

700 sq feet? wood or coal stove would be perfect. the stoker coal stoves are convienient and nice.

You are going to have electricity to the building right? It won't be much use having a workshop or studio without electricity. Are you interested in having air conditioning? Some type of propane furnace would probably make sense. Put the propane tank outside and run a minimal amount of ductwork and you're good. You can turn the temperature down when it's not is use. When you use the building you walk in turn the thermostat up and do whatever you want to do.

Thank you all--good to have some starting points to think about.

What about solar, any ball park guesstimates as to cost for heat + electricity for a bldg. this size? Of course will do the research & consultations, just looking for some quick answers at this point.

mr. hvac - yep, brick houses (esp little ones) are in fact moveable! Or can be anyway. Will have to wait to see what the house movers say after they take a look.