About Us ContentApex Gas Heater Service is a well-regarded company in Sydney, Australia, specialising in gas plumbing and gas heater repairs for both residential and commercial properties. Their extensive services include gas plumbing, gas heater installation, LPG gas supply and maintenance, natural gas fitting, as well as gas stove repairs and installations. They also provide expert gas leak detection. Dedicated to reliability and efficiency, Apex Gas Heater Service prioritises the safety and comfort of every client, delivering professional installations and repairs for all manner of gas-related requirements.