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// CODE SNIPPET

R403.3.6 Air-Handling Units

2017 FBC - Energy Conservation, 6th edition > 4 [RE] Residential Energy Efficiency > R403 Systems > R403.3 Ducts > R403.3.6 Air-Handling Units
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Air-handling units shall not be installed in the attic when a home is brought into code compliance by Section R402. Air-handling units shall be allowed in attics for compliance by Section R405 only if the following conditions are met:

  1. The service panel of the equipment is located within 6 feet (1829 mm) of an attic access.
  2. A device is installed to alert the owner or shut down the unit when the condensation drain is not working properly.
  3. The attic access opening is of sufficient size to replace the air handler.
  4. A notice is posted on the electric service panel indicating to the homeowner that the air handler is located in the attic. Said notice shall be in all capitals, in 16-point type, with the title and first paragraph in bold:

NOTICE TO HOMEOWNER

A PART OF YOUR AIR-CONDITIONING SYSTEM, THE AIR HANDLER, IS LOCATED IN THE ATTIC. FOR PROPER, EFFICIENT AND ECONOMIC OPERATION OF THE AIRCONDITIONING SYSTEM, YOU MUST ENSURE THAT REGULAR MAINTENANCE IS PERFORMED. YOUR AIR-CONDITIONING SYSTEM IS EQUIPPED WITH ONE OR BOTH OF THE FOLLOWING: (1) A DEVICE THAT WILL ALERT YOU WHEN THE CONDENSATION DRAIN IS NOT WORKING PROPERLY OR (2) A DEVICE THAT WILL SHUT DOWN THE SYSTEM WHEN THE CONDENSATION DRAIN IS NOT WORKING. TO LIMIT POTENTIAL DAMAGE TO YOUR HOME, AND TO AVOID DISRUPTION OF SERVICE, IT IS RECOMMENDED THAT YOU ENSURE PROPER WORKING ORDER OF THESE DEVICES BEFORE EACH SEASON OF PEAK OPERATION.

Related Code Sections


C403.2.7.6 [CE] Commercial Energy Efficiency, Air-Handling Units
Air-handling units shall not be allowed in attics of commercial buildings ...
2014 FBC - Energy Conservation, 5th edition > 4 [CE] Commercial Energy Efficiency > C403 Building Mechanical Systems > C403.2 Provisions Applicable to All Mechanical Systems (Mandatory) > C403.2.7 Duct and Plenum Insulation, Construction and Sealing (Mandatory) > C403.2.7.6 Air-Handling Units
C403.2.9.6 [CE] Commercial Energy Efficiency, Air-Handling Units
Air-handling units shall not be allowed in attics of commercial buildings ...
2017 FBC - Energy Conservation, 6th edition > 4 [CE] Commercial Energy Efficiency > C403 Building Mechanical Systems > C403.2 Provisions Applicable to All Mechanical Systems (Mandatory) > C403.2.9 Duct and Plenum Insulation, Construction and Sealing (Mandatory) > C403.2.9.6 Air-Handling Units
C403.2.9.6 [CE] Commercial Energy Efficiency, Air-Handling Units
Air-handling units shall not be allowed in attics of commercial buildings ...
2020 FBC - Energy Conservation, 7th edition > 4 [CE] Commercial Energy Efficiency > C403 Building Mechanical Systems > C403.2 Provisions Applicable to All Mechanical Systems (Mandatory) > C403.2.9 Duct and Plenum Insulation, Construction and Sealing (Mandatory) > C403.2.9.6 Air-Handling Units
R403.2.4 [RE] Residential Energy Efficiency, Air-Handling Units
Air handling units shall not be installed in the attic when a home is brought into code compliance by Section R402. Air-handling units shall ...
2014 FBC - Energy Conservation, 5th edition > 4 [RE] Residential Energy Efficiency > R403 Systems > R403.2 Ducts > R403.2.4 Air-Handling Units
R403.3.6 [RE] Residential Energy Efficiency, Air-Handling Units
Air-handling units shall not be installed in the attic when a home is brought into code compliance by Section R402. Air-handling units shall ...
2017 FBC - Energy Conservation, 6th edition > 4 [RE] Residential Energy Efficiency > R403 Systems > R403.3 Ducts > R403.3.6 Air-Handling Units
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