Subfloor Ventilation Products
DIY Subfloor Ventilation Kits – Eliminate Damp, Protect Your Home, Breathe Fresh Air
Premium Australian Made Solutions
If you’ve noticed musty smells, damp patches, or signs of mould creeping into your home, chances are your subfloor is not getting the ventilation it needs. Poor airflow beneath your house traps moisture, creating the perfect conditions for mould growth, wood rot, pest infestations, and even structural damage. Our DIY subfloor ventilation kits have been purpose-designed to solve these problems quickly and effectively, giving homeowners a cost-efficient way to protect their property and improve indoor air quality.
At Fresh Ventilation, we’re proud to supply the most premium DIY ventilation kits in Australia, combining Australian made components with German made ebm-papst motors. Unlike generic fans on the market, our centrifugal fans are quieter, more reliable, and designed to deliver maximum airflow even under resistance. Every kit is backed by over 15 years of real-world installation experience, meaning you can buy with confidence knowing the system has been tried and tested in Australian conditions.
Why Choose Our DIY Subfloor Ventilation Kits?
Our kits are trusted by homeowners across Australia because they combine quality, performance, and ease of use:
- Premium Australian Made Components – durable, locally produced fan housings, ducting and fittings built to last.
- German Technology – powered by high-efficiency ebm-papst AC or EC motors for unmatched reliability.
- 5-Year Warranty – peace of mind knowing your investment is fully protected.
- Step-by-Step Installation Guide – detailed instructions based on over a decade of installation expertise.
- Proven Results – hundreds of 5-star reviews from customers who’ve eliminated dampness, odours, and mould with our systems.
Whether you’re a DIY enthusiast or simply looking for a cost-effective alternative to professional installation, our kits make the process simple. With options available in 1, 2, and 3-fan systems, you can choose the right solution for the size and condition of your subfloor.
Protect Your Home and Health
Moisture doesn’t just damage timber floors and foundations – it also affects your family’s health. Mould spores, dust mites, and poor air quality are common triggers for allergies, asthma, and respiratory issues. Installing a DIY subfloor ventilation kit creates continuous airflow beneath your home, preventing dampness and ensuring fresh, clean air circulates through the living areas above.
By choosing Fresh Ventilation, you’re not just buying a fan – you’re investing in a complete subfloor moisture control solution, backed by our family-run business, Australian made certification, and unmatched customer support.
Subfloor Ventilation Kits with AC Motors
These are our everyday subfloor fans of choice, proven throughout a decade of our own installations. Each fan features a premium German-made ebm-papst motor, housed in our custom-moulded Australian casing designed specifically for demanding environments. Quieter and more efficient than comparable mixed flow fans, they also offer outstanding durability and performance in harsh subfloor conditions, including high humidity, dust, and fluctuating temperatures.
Built to withstand the rigours of continuous operation, these fans are ideal for long-term use in areas where reliability is critical. The motors are thermally protected and engineered for longevity, reducing the risk of failure in difficult-to-access spaces.
Our AC motor kits offer excellent value. While more affordable than our EC motor kits, they still deliver powerful airflow at a fixed speed optimised for efficiency. These motors operate with remarkably low noise levels and are capable of moving large volumes of air through ducting — making them a robust, cost-effective solution for subfloor ventilation.
Subfloor Ventilation Kits with EC Motors
Our EC motor fans are the premium choice for subfloor ventilation where energy efficiency and acoustic performance are a priority. Fitted with high-performance ebm-papst electronically commutated (EC) motors, they are housed in our durable, Australian-made casing — purpose-built for tough, enclosed environments.
These fans are exceptionally quiet, making them ideal for installations where noise sensitivity is a concern. The variable speed motor allows for precise control of airflow, so the fan only uses the energy it needs — maximising efficiency while reducing noise and operating costs over time. This makes EC motors particularly well-suited to continuous operation or systems where conditions vary throughout the year.
While more expensive upfront than AC motors, EC motors offer superior performance, ultra-low running costs, and whisper-quiet operation at reduced airflow rates. For projects demanding the highest standard in ventilation technology, this is the fan of choice.
Additional Components
These components are either already included in our subfloor ventilation kits (or recommended alternatives). We've grouped them here for easy access, allowing you to purchase additional quantities as needed for your installation.
All Subfloor Ventilation Products
