Removes stale air. Brings in fresh air.
Positive Pressure Ventilation (PPV)
A Budget Friendly Way to Reduce Moisture in Your Home
Positive Pressure Ventilation is an affordable and simple solution for reducing moisture and improving air circulation in your home. It works by drawing filtered air from the roof space and gently pushing it into your living areas. This incoming air forces out stale, moist air through gaps, windows, and vents helping to reduce condensation, mould, and mildew.
Key Benefits:
Budget-friendly solution for moisture control
Helps reduce condensation, mould, and mildew
Simple to install and maintain
Improves airflow and overall indoor air quality
Things to Consider with PPV
While PPV systems are a popular choice in New Zealand and used in many homes with brands like HRV and DVS, they do have some limitations:
No heat recovery: Warm indoor air is pushed out along with moisture, which can lead to higher heating bills in winter.
Roof space air source: If your roof cavity gets too hot, cold, or dusty, it may affect system performance.
That’s why it's important to match the system to your home’s layout, insulation, and heating method.
SmartVent Positive Pressure Systems
At Modserve, we supply and install SmartVent systems—one of the most trusted names in PPV. SmartVent offers a reliable, easy to use solution for homes needing basic ventilation at an affordable price. Their systems can be customised for different home sizes and come with optional upgrades like temperature sensors and timers for added control. SmartVent is a good investment for the well being of your family and the overall health of your home.
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SmartVent Lite+
Perfect For Rentals
• F7 grade filter with HEPA or carbon filter options also available
• Introduces fresh filtered air to reduce moisture
• Stylish flat ceiling inset diffusers are fully adjustable to deliver balanced airflow into each room
• Ducting reduces air transfer noise
• Temperature and humidity sensing
• Touch screen controllers providing easy setting for healthy home comfort
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SmartVent Positive3
• F7 grade filter with HEPA or carbon filter options also available
• Fresher air from either the roof cavity, or outside with optional Summer seasonal add-on
• Stylish flat ceiling inset diffusers are fully adjustable to deliver balanced airflow into each room
• Ducting retains temperature and reduces air transfer noise
• Temperature and humidity sensing
• Touch screen controller and App providing easy setting for healthy home comfort
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SmartVent Advance
• Connect to the next generation of whole house ventilation systems with Smart Life App
• F7 grade filter with HEPA or carbon filter options also available
• Fresher air from either the roof cavity, or outside with optional Summer seasonal add-on
• Stylish flat ceiling inset diffusers are fully adjustable to deliver balanced airflow into each room
• Ducting retains temperature and reduces air transfer noise
• Wireless temperature and humidity sensing to measure dew point
• Touch screen controllers providing easy setting for healthy home comfort
SmartVent Ventilation System Cost
SmartVent is our recommended Positive Pressure Ventilation system for New Zealand homes. It's reliable, easy to use, and offers great value for money.
Typical installed cost is $2,500 – $4,500 + GST (Supply & Installation)
Pricing depends on the size of your home and the number of outlets required.
Get in touch for a free quote — we’ll assess your home and recommend the right SmartVent setup to improve air quality and reduce moisture year-round.
Is Positive Pressure Ventilation Is Right For Your Home?
Positive Pressure Ventilation is ideal for homes with minor moisture issues and good insulation. If you're looking for a more advanced solution with heat recovery and energy efficiency, you may want to explore alternatives like the Mitsubishi Electric Lossnay System.
We recommend balanced heat recovery systems for the majority of homes, but sometimes a positive pressure system is a more affordable way to eliminate moisture when heat recovery is not essential, and often selected by landlords as opposed to homeowners
Contact Modserve for a free site assessment. We'll help you compare PPV systems like SmartVent, HRV, and DVS, and recommend the best fit for your home and budget.
Why choose Modserve?
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Commitment to Quality
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Experienced, NZ-Registered Professionals
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Advanced Technology and Methods
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24/7 Call Out Services
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Energy-Efficient Solutions
Contact Our Modserve Team Today For Assistance
Are you interested in a SmartVent ventilation system? Do you have any questions regarding the cost, maintenance, installation or anything else? Contact us at Modserve, and one of our friendly team members will help you with whatever you need.