Mechanicals · definition
Energy/Heat Recovery Ventilators that supply fresh air while recovering heat (and, for ERV, humidity) from exhaust. Key for tight, healthy homes.
Source: Trane — What Is an Energy Recovery Ventilator (ERV)?
Where this term lands on a Columbus budget
The cost pages carry the current local ranges, and the guides explain what moves them. A published range becomes a project number only after someone looks at the site.