https://www.fireplacesandstove....s.uk/categories/elec
Patio Electric Heater Electric patio heaters provide a modern way to extend your outdoor living space. Unlike traditional propane and natural gas-fueled patio heaters, which emit carbon monoxide, electric heaters don't require ventilation and are safe to use in closed spaces, provided they are not left unattended. Calculate the cubic footage and the desired temperature rise to determine the power (BTUs). Power Patio heaters can keep outdoor living spaces comfortable and warm even when the sun sets and temperatures dec