The most economical way to build a greenhouse depends on the location. If the location already gets a lot of sun use it.
Gas heaters can be more economical. If there is a high supply of gas in the area it would have cheaper prices. Electric can be cheaper in other areas though.
A space heater is an economical way to heat an apartment but it is an extremely dangerous method as well. Space heaters are quite apt to start fires and never should be near a flamable item.
One can purchase baseboard heaters in Canada at the retailer called Canadian Tire. The store offers a wide variety of baseboard heaters, including ones which are portable, oil generated, and electric.
There are several models of home heaters that are economical is usage. How economical depends on the available resources. Is the heater electric or gas based ? Gas based heaters provide better value for money that electric. Electric is more versatile than gas. Which solution is best suited depends on the placement and preferences.
Edenpure heaters have several advantages. The heaters are more economical and save you money on electric bills. They are also more fire resistant than other heaters. Because they are infrared heaters these heaters do not produce harmful fumes into the air of your home and allow the air in your home to retain some of its natural humidity instead of having air that is dry and parched.
Propane heaters cost less to run per hour.
The benefits of infra red heaters include being economical, quiet and safe to the touch. They also provide heat without a 'blowing' sensation. They are also environmentally friendly.
Answer No, if the current to the baseboard heaters is off they can't run or heat.
Tankless water heaters are low energy because they only run when the hot water is needed.
Propane heaters cost less to run per hour.
Generally electricity but come in both.