Where is the Underwriter Laboratory mark?
The reason why you should look for the Underwriter Laboratories mark is because it is a mark that certifies the quality of the product that you are buying. A product that has this mark is very safe meaning it passed all the requirements that the laboratory imposes on products. The UL mark makes sure that the product that you are using is up to par to acceptable levels of product quality. In other words, once a product has a UL mark, you can assume that the product is very safe indeed. Thermostats are a must have in any heater If you want to have total control over how hot or cold your heater will be, then you need to find a heater that has a thermostat. The thermostat function will let you know the current temperature of the heater and it lets you control how high or low you want it to be. You need the auto shut off function Another function that you must have is the auto shut off function this function allows you to turn off your heater at a set time. This is very important if you wan