Maybe, but in this case it is 100% yes. I used to have an expensive kerosene heater in my greenhouse it was a huge pain, now single candle does the same job if

Maybe, but in this case it is 100% yes. I used to have an expensive kerosene heater in my greenhouse it was a huge pain, now single candle does the same job if I hear it's going to get much below freezing. Never had an issue yet