Space Type Eligibility
Single family homes, attached (duplexes and townhouses) and detached; multifamily buildings up to five stories in height.
|Program Version and Revision Number (National, except California)||Required for Use, if Home's Permit Date is On/After This Date|
|Version 1, Revision 07||6/1/2019|
|Version 1, Revision 08||1/1/2023|
|Program Version and Revision Number (California)||Required for Use, if Home's Plan Approval Date and Permit Date are On/After This Date|
|Version 1, Revision 07, for California||10/1/2018|
|Version 1, Revision 08, for California||1/1/2023|
Please note that revisions to program versions may optionally be used earlier than the required date, once they are issued by DOE. For homes in California with plan approval dates and permit dates before 10/1/2018 and homes not in California with permit dates before 6/1/2019, please contact firstname.lastname@example.org for earlier program revisions.
Interpretation and Waiver Policies that Apply to ZERH Version 1
The following policies for DOE ZERH Version 1 may be considered for projects meeting the conditions of the policy. Unless noted otherwise these policies apply only to DOE ZERH Version 1 and do not apply to other versions of the program. The policies listed below are the only policies currently available.
- 100% Certification Policy for Dwelling Units in Multifamily Buildings
- Air Source Heat Pumps
- Prescriptive Compliance
- ENERGY STAR Appliances