The Key Difference
SmartVent
Pushes air into your home
Uses roof cavity air
Simple and cost-effective
Lossnay
Brings in fresh outdoor air
Removes stale air
Recovers heat
Balanced systems like Lossnay are designed to provide cleaner air and better efficiency by controlling both incoming and outgoing airflow
Which One Should You Choose?
Choose SmartVent if:
You have an older home
You want a lower-cost solution
You mainly want to reduce condensation
Choose Lossnay if:
Your home is insulated or airtight
You want fresh, filtered air
You want a premium long-term solution
Balanced systems also provide more consistent moisture control and air quality, especially in modern homes
Cost Difference
SmartVent → lower upfront cost
Lossnay → higher upfront, better long-term performance
Mechanical ventilation systems in NZ typically start from a few thousand dollars installed, depending on complexity
The Truth: There’s No “Best” System
The right system depends on:
Your home age
Insulation
Layout
Budget
👉 That’s why we assess first, then recommend.
Get Expert Advice
At Alectrics, we don’t sell systems — we solve problems.
Book a free home assessment and we’ll recommend the best option for you



