noun which may take the genitive case particle 'no'
for home use; residential
Used attributively to describe products, equipment, or facilities intended for residential (as opposed to commercial or industrial) use.
このエアコンは住宅用に設計されています。
This air conditioner is designed for residential use.
住宅用火災警報器の設置が義務化された。
Installation of residential fire alarms has become mandatory.