Installing a Heat Recovery Ventilation system isn’t a one-day job - it’s a staged process that follows the builder’s timeline to make sure everything is done neatly and correctly. 1️⃣ Rough-In This is the first stage, where all ductwork, penetrations, and the system layout are completed while the framing is open. It sets the foundation for a clean and efficient installation. 2️⃣ Fit-Off Once the build has progressed, we return to install the HRV unit itself, connect all ducts, and seal everythin