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Sub-Floor Ventilation Sydney

At Natural Skylights & Ventilation, we specialise in the full spectrum of underfloor care, from high-quality passive vents and EcoFans to comprehensive, fully ducted floor ventilation kits. When installed by our expert team, our subfloor systems provide an efficient, whisper-quiet, and permanent solution to moisture issues. With over 20,000 jobs completed, we have the local expertise required to protect your home’s foundation and your family’s health.

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NSW
EcoFans
NSW
Stop heat & mould with a
underfloor ventilation system
NSW
Remove Damp and Mould
NSW
Underfloor ventilation kit
NSW
Fully ducted floor ventilation system
We’ve worked on over 20,000jobs across NSW

Features & Benefits

Improved Air Flow & Cross Ventilation

Our advanced sub-floor ventilation fans and cross-flow techniques ensure a continuous exchange of air. We replace heavy, musty air and ineffective movement in your sub-floor area with a fresh breeze from outside, keeping the "lungs" of your home breathing freely.

Mould & Mildew Prevention

By actively managing ground moisture and humidity, our subfloor ventilation systems eliminate the damp conditions that mould and mildew need to thrive. This protects not just your floorboards, but is also an effective solution for improving the  air quality throughout your entire home.

Structural Integrity & Termite Risk Reduction

A dry sub-floor area is your best solution to solve structural decay. Effective ventilation lowers the risk of timber rot and discourages termites, which are naturally attracted to dark, damp, and enclosed environments.

Energy Efficiency & Comfort

We utilise premium German-engineered motors to ensure your network is both powerful and incredibly quiet. These units are designed for 24/7 efficiency, maintaining consistent airflow without a spike in your energy bill.

Custom Solutions

Every property is unique. Our experts design fully customised systems featuring ducting designed for your home, inline subfloor fans, and smart sensors. No matter your floor area or layout, we have a solution that fits perfectly.

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100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee
100% No Leak Guarantee

Jono talks to Healthy Homes

Remove damp and mould to create a healthy home.

Quality Guarantee

Ask us about extended warranty
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World Class Service

Don’t just take our word for it, we have over 400+
Google reviews.

I did a lot of research for a cost effect method to lighten the rooms. Natural Skylights & Ventilation gave me options (which I further investigated). I am so happy. They kept me informed and they are very professional. This will save my electricity bills. The first morning I thought I left my lights on. I haven’t used my lights during the day at all. Thank you. I’m thinking of doing two more rooms.

Debbie B

Highly Recommended. The quote and installation process was seamless from start to finish. All the staff are friendly & courteous. Extra praise to Marcos for having to spend a couple of hours in & on a hot roof. I’ve now got a Happy Wife

Robert S

Today I had a Windmater installed on my roof. The tradesman expained the detail of how he would install it, and it’s location amidst the solar panels. He surveyed the roof and with equipment in hand went to do the installation. Having a photo to show me the result, I am looking forward to the benefits with our rising temperatures. I was able to get an unpainted model to fit in with my 40 year old roof, and it is now the shining crown. Good information, good advice, excellent service, and good price.

Janice C

Great end to end service. Experienced and knowledgeable team with quality products and workmanship. Super happy with the end result of my 4 skylights and the entire process of dealing with Natural Skylights & Ventilation. 100% recommend.

Tina S

Had Natural Skylights & Ventilation come and install a skylight into my terrace. From the quote stage to the day they completed the work, they were professional, efficient and friendly. Highly recommend. Please give my regards to Duncan, Johno and Marco, they stayed late to ensure the work was done, and im very thankful for it.

Jourdan L

We would highly recommend Natural Skylights & Ventilation, 100% professional from start to finish Jono and the team were fantastic. They replaced our old leaking skylight with a much better one. The price was right and the care the installer did on our skylight was proof that they care about the customer and not just smashing the job out to get to the next one. (have experienced that before)

Craig L

I did a lot of research for a cost effect method to lighten the rooms. Natural Skylights & Ventilation gave me options (which I further investigated). I am so happy. They kept me informed and they are very professional. This will save my electricity bills. The first morning I thought I left my lights on. I haven’t used my lights during the day at all. Thank you. I’m thinking of doing two more rooms.

Debbie B

Highly Recommended. The quote and installation process was seamless from start to finish. All the staff are friendly & courteous. Extra praise to Marcos for having to spend a couple of hours in & on a hot roof. I’ve now got a Happy Wife

Robert S

Today I had a Windmater installed on my roof. The tradesman expained the detail of how he would install it, and it’s location amidst the solar panels. He surveyed the roof and with equipment in hand went to do the installation. Having a photo to show me the result, I am looking forward to the benefits with our rising temperatures. I was able to get an unpainted model to fit in with my 40 year old roof, and it is now the shining crown. Good information, good advice, excellent service, and good price.

Janice C

Great end to end service. Experienced and knowledgeable team with quality products and workmanship. Super happy with the end result of my 4 skylights and the entire process of dealing with Natural Skylights & Ventilation. 100% recommend.

Tina S

Had Natural Skylights & Ventilation come and install a skylight into my terrace. From the quote stage to the day they completed the work, they were professional, efficient and friendly. Highly recommend. Please give my regards to Duncan, Johno and Marco, they stayed late to ensure the work was done, and im very thankful for it.

Jourdan L

We would highly recommend Natural Skylights & Ventilation, 100% professional from start to finish Jono and the team were fantastic. They replaced our old leaking skylight with a much better one. The price was right and the care the installer did on our skylight was proof that they care about the customer and not just smashing the job out to get to the next one. (have experienced that before)

Craig L

Quality Guarantee

Ask us about extended warranty
Get Started
Get Started
Obligation Free Quote and Custom Solutions
50+ Service Areas

Servicing Areas Across NSW

From the narrow terraces of Sydney’s inner suburbs to sprawling new land developments and serene coastal retreats, our expert team provides underfloor ventilation designs that add tangible value to your property. No matter where you are located in NSW, we bring the benefits of natural light and fresh air to your doorstep.

Hawkesbury >Blue Mountains >Northern Beaches >
Western Sydney >Inner West >Southern Suburbs >
Sydney Metro >South Western Sydney >
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Smart Sub-Floor Ventilation Fans

Is your home suffering from persistent musty smells, recurring pest issues, or mysterious structural "creaks" caused by moisture? Hidden sub-floor dampness is more than an inconvenience; it can negatively impact your family’s respiratory health and erode your property’s market value.

Natural Skylights & Ventilation are the leading experts in Australian sub-floor ventilation. By utilising energy-efficient EcoFans and strategically placed high-flow vents, we actively discharge stale, damp air and replace it with clean, dry air. This process doesn’t just mask the smell. It fundamentally battles mould growth and timber pest infestations, contributing to a drier, safer, and more breathable living environment for you and your family.

Don’t let hidden moisture become a permanent headache or a threat to your biggest investment. Regain control with our proven techniques. We offer thorough site examinations and meticulously designed ventilation plans that protect your home from the ground up.

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subfloor ventilation
sub floor ventilation fans

Custom Solutions for a Healthier Home

Whether you own a classic weatherboard, a modern townhouse, or a heritage-listed residence, there is no "one-size-fits-all" fix for underfloor moisture. We find that most Australian houses require a sophisticated approach, often involving multiple inline fans, intelligent humidity controls, and extensive ducting to reach dead-air pockets.

During your free site assessment, our team evaluates critical environmental factors:

- Evidence of rising damp and ground moisture levels.

- Existing air movement and stagnant "dead zones".

- The condition of sub-floor timbers and any signs of termite activity.

We then recommend a hybrid strategy to ventilate your underfloor area, perhaps a mix of passive vents for baseline airflow and powered fans for active extraction. We also offer noise-reduction add-ons and smart control systems to ensure your system performs exactly how you need it to, without any intrusion into your daily life. We pride ourselves on clear communication and a seamless experience from the first quote to post-installation support.

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Stop Mould Issues Before They Start

Mould doesn't need much to take over; just a little stagnant moisture under your floorboards is enough. At Natural Skylights & Ventilation, we treat the cause, not just the symptom. Our EcoFans work in harmony with strategically placed vents to create an environment where mould simply cannot germinate.

Instead of worrying about what’s growing beneath you, you can enjoy a property protected from hidden structural damage and a dry, healthy sub-floor. Take proactive measures today to nurture a healthy space for your family to live in.

Contact us on 1300 884 554 today for a free quote. Letting mould harm your home is an option you can live without. Our expertise provides a permanent fix for a fresher, safer home.

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sub floor ventilation systems

Sub Floor Ventilation Sydney FAQs

How much does it cost to run a powered ventilation system annually?

Because we use high-efficiency German motors (EC motors), the running costs are remarkably low. For a standard 24/7 operation, most homeowners find it costs less than $50–$80 per year in electricity, comparable to running a single small LED light bulb.

How long does a typical installation take to complete?

Most residential installations are completed within a single day. For more complex heritage homes or properties requiring extensive ducting through tight crawl spaces, we may require a second day. We always ensure your home is left clean and tidy at the end of the shift.

Do these systems require regular maintenance or servicing?

Our fans are designed with "fit and forget" technology, featuring sealed bearings that do not require lubrication. However, we recommend a visual check of the external vents every 12 months to ensure they haven't been blocked by garden mulch, debris, or insect nests.

Can sub-floor ventilation improve the effectiveness of my indoor AC?

By removing the thermal mass of damp air from beneath your floorboards, your home’s internal temperature becomes easier to regulate. A dry sub-floor acts as a better thermal buffer, meaning your air conditioner doesn't have to work as hard to combat "rising humidity".

Is sub-floor ventilation a requirement for rental property compliance?

Under the Residential Tenancies Act in NSW, landlords are required to provide a property that is "fit for habitation", which includes being free from dampness and mould. Installing a professional system is a proactive way for landlords to meet their duty of care and protect their long-term asset.

Will I need to hire an electrician separately for the fan installation?

We provide a fully coordinated service. If your chosen system requires new power points or hard-wiring, we manage the necessary trade work as part of our installation package, saving you the hassle of managing multiple contractors.

Does a dry sub-floor impact my building insurance?

While it may not directly lower your monthly premium, it helps prevent "uninsurable" events. Most insurance policies do not cover damage caused by "gradual seepage" or "neglect" (like long-term dry rot). A ventilation system is a vital preventative measure to avoid these costly out-of-pocket repairs.

Obligation Free
Measure & Quote

Please just fill out the form, or call us on 1300 884 554 to set up a free in-home consultation.

We service the greater Sydney metropolitan area Sydney, Northern Beaches, Southern Suburbs and the Blue Mountains

sales@naturalhomesolutions.com.au
1300 884 554
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Please note that our showroom is currently open by appointment only.

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