The only space heaters of that description are kerosene heaters.They have no cords because they consume their energy source internally.
Yes
Sure. They have cordless trimmers that will accept a blade type of cutting head. You would be cordless and stringless then.
It is safe to have a space heater, but it does have risks like anything else. If someone wants to use a space heater, they should be very careful.
Valco Infrared heater can be used as a space heater. The can save you lots of money on energy costs.
so they can take the tools to space
A cordless knife really does exist. It runs on batteries, which means that they constantly need to be changed. You can find cordless knives in just about every cooking and home items store available.
The local hardware store, or online at various stores. Just google "space heater".
Depends upon the size, but it will be listed on the space heater for whatever speed you set. Sometimes the nameplates are difficult to find and might be located on the bottom of the space heater.
A micathermic heater is used where there is not much space to place a conventional heater. They can be mounted on a wall like a picture which saves foot space.
A space heater by itself will not cause a fire. However, not following the space heater safety guidelines may start a fire. Actions that may increase the risk of fire include, but are not limited to: Leaving blankets or clothes on the heater, leaving anything flammable near the heater, and leaving the heater on in an unattended environment.
A space heater is basically used to warm up a finite space. Instead of using a heating unit or a furnace to warm up the entire house, a space heater heats a limited area. The result is a lower cost and more efficiency.
The size of a space heater depends on the size of a living room or bedroom. The best size for a space heater is 150 sq. ft for living rooms and bedrooms.