(with some exceptions) for a pro-style range. The greater BTUs the number generates, the greater atmosphere (calculated in cubic legs each and every minute, or CFM) the blower in your exhaust bonnet has to remove, so that your range of bonnet will be determined by the CFM score. (See Remodeling 101: The Verdict on Vented vs. Continue reading “You might must also update your air flow system, since a vent bonnet that exhausts exterior is needed by rule”