heat recovery ventilator

Heat Recovery Ventilator

HRV / ERV Installation — Calgary Indoor Air Is 2–5× More Polluted Than Outdoor Air — Bring in Fresh Air Without Wasting Energy Heat Recovery Ventilators (HRV) and Energy Recovery Ventilators (ERV) exchange stale indoor air for fresh outdoor air while recovering up to 80% of the heat from the outgoing air — no energy

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