Why Ventilate?

  • With NZ’s temperate climate, a lack of ventilation can cause damp and cold in the home, this can lead to excess moisture and the growth of mould and mildrew.  
  • The average NZ household produces around 100 litres per week of moisture in the home from everyday activities such as cooking, showers and breathing (source - Energy Efficiency & Conservation Authority)
  • About 30% of our homes suffer from problems associated with moisture internally which is one of the reasons we have one of the highest rates of asthma and other respiratory illnesses in the world. 
  • Improved insulation & double glazing increases air tightness in the home which means good ventilation is often not achieved. 
  • Condensation, moisture and mould are all too common in NZ homes. 

The average NZ household produces around 100 litres per week of moisture in the home from everyday activities such as cooking, showers and breathing.


That’s normal and can be managed by having the right balance of insulation, heating and ventilation. If this moisture is not reduced it can be damaging to your home and have adverse effects on the health of your family.

Different ways to Ventilate?

Passive Ventilation - opening windows or doors to allow ventilation of the home. While this has some beneficial effects, there are obviously significant limitations such as sufficient air movement throughout the home, weather conditions, home security and the quality of air entering the home i.e. pollens, traffic fumes etc.

Extraction Ventilation - using fans to extract air from living spaces to the outside of the home eg, a ducted bathroom exhaust fan to get rid of moisture. This type of ventilation is crucial and should be a priority for good ventilation.

Home Ventilation Systems - complements extraction ventilation by further reducing moisture in the home. Introducing fresher, drier air from outside or from the roof space into the home has a number of benefits including reducing condensation and removing dust, pollens and mould spores. Home ventilation technology can also include heat recovery or combine with ducted heat pumps for the ultimate solution in home ventilation and heating.

Breathe Fresh

Given we can spend over 60% of our time within our homes it makes sense that we should be breathing the cleanest of air while we are there. SmartVent introduces filtered air into your living and sleeping areas continuously.

Warm & Dry

Don’t put up with crying windows and damp walls. SmartVent reduces surface condensation - the main cause of mould growth.

Keep the Heat

SmartVent specialises in ventilation systems to keep the heat in your home, re-using heat you have already paid for, reducing space heating costs and helping to dry out and balance your home environment.

"8 out of 10 electricians recommend SmartVent"

(Mobious Research - 2010)

SmartVent Positive

Reduce Condensation

SmartVent Positive Pressure ventilation systems draw fresher, drier air into your home from either the roof cavity or outside. 

This air is then passed through a high efficiency filter and introduced into your home. This introduced air forces out the moist, stale air that causes condensation, mould and mildew.

This process positively pressurises your home, forcing out moist stale air through gaps in windows and doors or through special exhaust vents. Continually cycling your home with fresh, dry air removes air borne toxins, harmful pollutants, dust and dust mites.

"In with the good, out with the bad" 




Smartvent Synergy

Reduce Condensation and
Keep the Heat

SmartVent Synergy is a True Heat Recovery system capable of extracting stale, moisture- laden air from inside your home and bringing in fresher, drier air simultaneously. 

Synergy is a completely balanced system, that recovers and re-uses up to 90% of the heat from the warm air extracted from within your home. An extremely energy efficient way to re-use heat you have already paid for.


SmartVent Integra

The Ultimate Ventilation and
Heating solution

SmartVent Integra integrates any ducted heat pump with SmartVent Synergy to achieve healthy home ventilation with up to 90% heat recovery combined with energy efficient heating.

Integra not only recovers heat from inside your home (as with Synergy) it also delivers the pre-tempered air to a ducted heat pump which then HEATS the air to your desired temperature. The system ensures fresh, filtered air is delivered into your home, whether the heat pump is working or not. Synergy makes the most of your existing ducted heat pump to recover the heat you’ve already paid for, while continuously ventilating your home. 


"Integrated with ducted heat pump distributing warm filtered air through the home."

Nearly all domestic ducted heat pumps only re-circulate the existing moist, contaminated air in a home, but do not bring in fresh dry air. This results in a build-up of moisture in the home. For this reason the combination of a ducted heat pump and Integra is a very effective total home heating and ventilation system. Integra can also re-use cold air from air conditioners for a cool recovery solution in hot summer months.

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