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Catco heaters are rated for 6000 BTU/hr per square foot of heater face area. We assume a heating value of around 1000 BTU per standard cubic foot of fuel. To get the natural gas fuel consumption, divide the BTU rating by 1000. For example, a 3000 BTU/hr unit will consume 3 SCF per hour. You can see the BTU ratings of all Catco heaters on our catalytic heater product page.
