Can I fit a Provence Heater in a fireplace? February 19, 2019 10:01 Updated Follow Per the manufacturer's instructions, the Provence Gas Heater needs to be in a 80cm2 area of ventilation and 60cm of clear space to all sides and above the heater. Related articles Gas Cabinet Heater Buying Guide/FAQs Cabinet Gas Heaters Comparison Minimum Room Requirement for the Calor Mini Super Heat What are the dimensions of the 3 sizes of coals that you stock? Which Sprint Pro Model is Right For Me? Comments 0 comments Please sign in to leave a comment.