Arizona Boiler Company, Inc. offers burners from manufacturers with the highest efficiency on the market.These burners are offered in several fuel configurations to fit your needs.Low NOx Level burners are available with or without using induced Flue Gas Recirculation. They are offered at high turn down ratios (up to 12:1) to match heat demand requirements and reduce on and off cycling of the burner. If the burner is continuously cycling on and off the result is purge or cycling losses. When cool, purge air passes through, it removes heat and dumps it out the stack, resulting in energy waste and increased fuel costs.