Heat recovery depends on design as much as on the box. BRANZ reports that modern units can recover around 90 percent of the heat in outgoing air, but performance drops when the ducts and unit sit in a cold roof space. For New Lynn new builds, the best result comes from planning the unit and duct routes early.
New Lynn's new apartments and townhouses: fresh air without opening the windows
Since the railway went into a trench in 2010, the blocks around New Lynn station and LynnMall have filled with apartments and terraced townhouses. These homes are insulated and sealed far better than the early twentieth century houses on surrounding streets, and they often have bathrooms with no window and kitchens that open straight into the living area. Without mechanical ventilation, cooking steam and shower moisture have little way out, which is the classic case for a balanced heat recovery system.
Living close to a train line and a busy town centre also changes how people ventilate. Opening a bedroom window for fresh air lets in noise and dust. A balanced system supplies filtered outdoor air with the windows shut and recovers heat from the stale air leaving. With construction still going on nearby, we suggest checking the supply filter more than once a year. In apartment buildings, including taller blocks such as the Merchant Quarter, the external vents are new penetrations, so the body corporate has to approve them first.
The older homes are a different story. A weatherboard house from the early 1900s with original joinery leaks air on its own, so heat recovery adds less there unless the house has been renovated and sealed. Townhouses on narrow lots often have little roof space, so the unit may sit in a cupboard or above a bathroom ceiling, with ducts kept short. We confirm where it fits and how quiet it will be in the bedrooms before quoting.
Local tip: If you are buying off the plans near New Lynn station, ask the developer whether ducts can be run before the ceilings go in, which is far cheaper than a retrofit.
Heat Recovery Ventilation in New Lynn: Local Conditions
The newer townhouses and apartments in New Lynn and Te Atatū suit heat recovery well. In damp, shaded bush homes we look at where the moisture comes from before recommending a balanced system, because ventilation cannot fix a wet subfloor.
Near busy roads and industrial areas, a balanced system brings in filtered outdoor air in a controlled way, and filters may need changing more often than once a year.
Homes in New Lynn
New Lynn mixes older suburban homes from the early 20th century with medium and high density apartments and townhouses built since 2010, including the Merchant Quarter Apartments from 2015, among the tallest buildings in West Auckland. New homes are insulated and well sealed, so small high wall units heat them easily, and summer cooling and ventilation often matter more. Apartment outdoor units need approved positions and careful balcony placement. Older homes usually have less insulation, so a high wall unit in the living area must be sized for heat loss.
LynnMall opened in 1963 as New Zealand's first American-style shopping centre.
You will often see our vans near Olympic Park and Te Toi Uku Crown Lynn Clayworks Museum on the way to a job in New Lynn. For everything else, see heat pumps in New Lynn.
How We Handle Heat Recovery Ventilation in New Lynn
We size the system from the floor area and number of rooms and plan supply outlets for living areas and bedrooms. Extract points go in the kitchen, bathrooms and laundry.
Pricing: every job starts with a free in-home assessment and a written quote, with a fixed price agreed before any work starts.
Heat Recovery Ventilation Jobs We Do in New Lynn
- Heat recovery paired with a ducted heat pump
- Intake and exhaust vents separated outside
- Heat recovery planned into a new build
- Balanced system for a new two-storey townhouse
- Extract points added to windowless bathrooms
Heat Recovery Ventilation New Lynn FAQs
Can I add heat recovery ventilation to an existing New Lynn apartment?
Often, if there is ceiling space for the unit and ducts and the body corporate approves the two external vents. We provide the details the body corporate asks for, then design compact duct runs to suit the apartment.
Does it heat my home?
No. It recovers heat that would otherwise be lost through ventilation, but you still need a heat source such as a heat pump. It pairs well with a ducted heat pump or high wall units.
How noisy is it?
A well designed system runs at low fan speed most of the time and is quiet. Duct sizing and attenuators matter, which is why we design before quoting.