Outdoor heaters need to be safe with different types of weather, so they would be different than indoor heaters. They are both effective, but never use an indoor heater outdoors.
Indoor propane heaters can be purchased at home improvement stores like Home Depot or Lowe's, as well as online retailers like Amazon or Walmart. It is important to ensure that the indoor propane heater is safe for indoor use and meets all necessary safety regulations.
Sometimes. Oil-filled space heaters, which are fire-safe are preferable. Regular electrical space heaters can be used if they are placed in safe places, and turned off before leaving work.
Any space heater with tip-over protection will be good and safe for indoor use.
Portable heaters are safe to use in the manner written on the heaters instructions. Some portable heaters are meant for use outdoors only, so using those heaters indoors would not be safe. The other thing to consider with heater safety is do you have children who might accidentally touch the heater, if you do you need to make sure that your heater does not heat up enough to burn the child. Also, its important to make sure that your house's electrical system is properly grounded so that your portable heater, if it is electrical, does not short out.
There are actually specially-made heaters for areas like garages and warehouses. Here's an example: http://www.lennox.com/products/garage-heaters/
kerosene is a chemical use for heat and oil
wow your dad is a truly amazing pilot if he can use diesel...most jet's and planes use kerosine as a fuel, at least im sure it's kerosine :)
Most are not safe. some have a safety feature that makes them safe. They turn off if fumes get to high. Read the safety instructions.
Propane heaters are efficient and cost-effective for heating spaces. They are portable and can be used indoors or outdoors. Propane is a clean-burning fuel, which makes propane heaters environmentally friendly and safe for indoor use.
Yes, space heaters do increase the risk of fire. However, as long as you are safe, and the space heater is in good working condition, it will be fine to use a space heater.
The Sanyo smokeless indoor grill is top quality, and reasonably priced at around $500 USD. it has a large 20 square inch cooking surface, is energy efficient and very safe.