Proposed Modification to the Florida Building Code Modification #: TBD Name: Jeff Sonne Address: Florida Solar Energy Center, 1679 Clearlake Road, Cocoa, FL 32922 E-mail: [email protected] Phone: 321-638-1406 Fax: 321-638-1439 Code: Florida Building Code – Energy Conservation Section #: 405.6 Text of Modification [additions underlined; deletions stricken]: 405.6.6 Installation criteria for homes using the ceiling fan option. The ceiling fan option shall apply a 2% reduction in cooling energy use for the proposed design if one or more ceiling fans are installed in each of the bedrooms and a minimum of one ceiling fan is installed in all primary living areas (living rooms, family rooms, or great rooms). This shall not include spaces designed to be dining rooms or dining areas. Areas separated by permanently fixed archways, walls, or dividers shall be considered separate rooms. The following criteria shall be met: 1. Ceiling fans shall be installed with minimum fan blade diameters of no less than those listed in Table 405.6.5 for the size and shape of the room. 2. Where a primary living area is an "L-shaped" room and the smaller portion of this area is 8 feet by 10 feet (2438 mm by 3048 mm) or larger, a fan shall be installed in both the larger and smaller portions of the primary living area. Exception: Credit shall not be taken for both ceiling fans and cross ventilation. TABLE 405.6.6 FAN SIZING TABLE LONGEST WALL LENGTH (feet) MINIMUM FAN SIZE (inches) ≤ 12 36 > 12 - 16 48 > 16 - 17.5 52 > 17.5 - 25 56 2 fans (minimum of 48 inches each) For SI: 1 inch = 25.4mm, 1 foot = 304.8 mm. > 25 [Renumber existing sections:] 405.6.6 405.6.7 Installation criteria for homes claiming the heat recovery unit (HRU) option. 405.6.7 405.6.8 Installation criteria for homes claiming the dedicated heat pump option. Fiscal Impact Statement [Provide documentation of the costs and benefits of the proposed modifications to the code for each of the following entities. Cost data should be accompanied by a list of assumptions and supporting documentation. Explain expected benefits.]: A. Impact to local entity relative to enforcement of code: Minimal; in applicable cases, only if this option is chosen, will require verification. B. Impact to building and property owners relative to cost of compliance with code: None, unless this option is selected. C. Impact to industry relative to cost of compliance with code: None, unless this option is selected. Rationale [Provide an explanation of why you would like this Proposed Modification to the Florida Building Code.]: Unintended results from the integration of previously adopted Florida-specific amendments with the model code. The included language for ceiling fans has been in the energy code for years; it appears to have been unintentionally left out of the 2010 FBC- Energy Conservation. Please explain how the proposed modification meets the following requirements: 1. Has a reasonable and substantial connection with the health, safety, and welfare of the general public: Public is benefited since code credit for ceiling fans may increase ceiling fan installation and use and provide energy savings and increased comfort. 2. Strengthens or improves the code, and provides equivalent or better products, methods, or systems of construction: Ceiling fan credit improves the code since ceiling fans can help reduce energy use and the performance code must still be met. 3. Does not discriminate against materials, products, methods, or systems of construction of demonstrated capabilities: The proposed modification does not discriminate against materials, products, methods, or systems of construction; it just provides credit for an additional option. 4. Does not degrade the effectiveness of the code: Ceiling fan credit improves the code since ceiling fans can help reduce energy use and the performance code must still be met.