Obvious Ventilation Controls
Ensure that ventilation controls are identified. If the identity of the switch controlling the ventilation fan isn’t obvious, then identify in one of the following ways:
- Install a switch that is differentiated or labeled by the manufacturer.
- Install a permanent label indicating the function of the control.
See the Compliance Tab for related codes and standards, and criteria to meet national programs such as ENERGY STAR, DOE’s Zero Energy Ready Home program, and EPA’s Indoor airPLUS.
Ventilation controls can sometimes look like ordinary light switches. Exhaust fan and other ventilation controls should be permanently labeled as such, unless their function is obvious or they are labeled by the manufacturer.
For more on exhaust fans controls, see Continuously Operating Ventilation and Exhaust Fans.
How to Label Ventilation Controls
- Clearly label the ventilation controls (exhaust fan switch) or install controllers that are clearly labeled by the manufacturer.
The HERS rater should inspect to ensure that ventilation controls are clearly labeled, unless their function is obvious (for example, a bathroom exhaust fan).
No climate specific information applies.
ENERGY STAR Certified Homes (Version 3/3.1, Revision 08), Rater Field Checklist:
7. Whole-House Mechanical Ventilation System
7.2 A readily-accessible ventilation override control installed and also labeled if its function is not obvious (e.g., a label is required for a standalone wall switch, but not for a switch that’s on the ventilation equipment)
Builders Responsibilities: It is the exclusive responsibility of builders to ensure that each certified home is constructed to meet these requirements. While builders are not required to maintain documentation demonstrating compliance for each individual certified home, builders are required to develop a process to ensure compliance for each certified home (e.g., incorporate these requirements into the Scope of Work for relevant sub-contractors, require the site supervisor to inspect each home for these requirements, and / or sub-contract the verification of these requirements to a Rater). In the event that the EPA determines that a certified home was constructed without meeting these requirements, the home may be decertified.
ENERGY STAR Revision 08 requirements are required for homes permitted starting 07/01/2016.
Exhibit 1: Mandatory Requirements. Certified under ENERGY STAR Qualified Homes Version 3.
HVAC Controls/Programmable Thermostat = Advanced Comfort Control Technology