This CASE Report will investigate the options to reduce energy use and improve indoor air quality (IAQ) in multifamily dwelling units. It will also evaluate the cost-effectiveness and feasibility of a mandatory compartmentalization air leakage requirement and develop a path for a multifamily building to conduct an infiltration test verified by HERS blower door testing on a sample of multifamily units per building or per floor. This CASE Report will include the following four submeasures.
- Reduce infiltration.
- Reduced leakage from central ventilation shafts.
- Balanced ventilation and energy recovery ventilator/heat recovery ventilator prescriptive requirements for some Climate Zones and credit elsewhere.
- Kitchen exhaust hood capture efficiency.
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The Statewide CASE Team values input from all stakeholders engaged in the Title 24, Part 6 code change process. We encourage the open exchange of code change comments and concerns.
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