Patio-Heater-Doctor.com FOR ALL YOUR PATIO HEATER REPAIRS AND ADVICE!! A regular 'Check-Up' is essential in order to maintain the effectiveness of your heater and to ensure that it remains safe!!! A Patio Heater is a gas appliance and should be looked after and cared for. Different models of patio heater will require varying levels of maintenance. Chris Mittell, Director of Sierra Space Heating advises that there are simple maintenance and cleaning jobs that can be done in order to keep your patio heater looking good and working properly:- A small investment in a maintenance kit and a patio heater cover is money well spent. There is no reason why a good quality patio heater, properly maintained and cared for, should not give many years of effective and pleasureable outdoor heating. Simple things like checking the gas hose for wear and cracking, which can occur from being outside in the cold and wet and wiping over your heater regularly with a suitable cleaning material and polish, can be done by the customer in addition to the annual service by a professional and qualified gas patio heater engineer.