Enervex RS12 Chimney Fan

Hi there, Choosing the correct chimney fan depends on several factors, including the type of appliance it's venting, the size of your flue, and the specific draft issues you're experiencing. The Enervex RS12 Chimney Fan is a powerful unit with 950 CFM, designed to effectively solve draft problems by creating its own draft and handling large flue gas volumes. Given your chimney height of 30 feet, this fan's capacity should be suitable. However, you mentioned your opening is a 14x18 oval. The Enervex RS12 has a 14" W x 14" L square base. If your flue opening is larger than the base of the fan, you would need to install a piece of sheet metal to cover your oval flue opening, with a hole in the center to correspond with the fan's inlet. This would likely necessitate redoing or modifying your existing rain guard, especially since the fan is 11 inches high and you currently have 10 inches of space before your rain guard. Please note: This item is a special order and usually ships within 4-6 weeks. To ensure this fan is the best fit for your needs, could you please tell us what type of appliance the chimney fan will be serving (e.g., gas, oil, or solid fuel)? This information will help us confirm compatibility, as the Enervex RS12 is designed for gas and oil applications.

This operates at up to 950 CFM.