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How Many Subfloor Ventilation Fans Do I Need?

How many subfloor ventilation fans does a house need? There is no reliable answer based on the number of bedrooms or floor area alone. A small, open subfloor may work well with one correctly positioned fan. A similar-sized home with internal walls dividing the space may need several extraction points or more than one fan. The key is to move air through the damp areas beneath the house, rather than simply moving a large volume of air near a vent. Why floor area does not tell the whole story Fan specifications show how much air a fan can move under […]

Subfloor Fans Versus Vents for Damp Homes

Subfloor Fans Versus Vents for Damp Homes

Subfloor fans versus vents: learn which option suits damp Melbourne homes, how each controls moisture, and when tailored mechanical ventilation is needed.

Negative vs Positive Pressure Subfloor Ventilation 2

Negative vs Positive Pressure Subfloor Ventilation

Negative vs Positive Pressure Subfloor Ventilation Not all subfloor ventilation systems work the same way. Two houses can both have mechanical ventilation fans underneath them, but the direction in which those fans move air can make the systems behave very differently. Mechanical subfloor ventilation can generally be designed using three airflow strategies: Negative-pressure ventilation – extracting more air than is mechanically supplied Positive-pressure ventilation – mechanically supplying air into the subfloor Balanced-pressure ventilation – mechanically supplying and extracting approximately equal amounts of air Each approach has advantages and disadvantages. At Ecoflow Ventilation, we most commonly favour negative-pressure extraction systems for […]

A Practical Guide to Bathroom Ventilation

A Practical Guide to Bathroom Ventilation

This guide to bathroom ventilation explains how to control steam, reduce mould and choose an efficient fan for a healthier, drier Melbourne home year-round.

Can Subfloor Ventilation Help Prevent Mould

Can Subfloor Ventilation Help Prevent Mould?

Subfloor ventilation may help reduce the risk of mould when poor airflow and excessive moisture beneath a house are contributing to damp conditions. However, ventilation should not be presented as a guaranteed mould cure. Mould is a moisture problem. If water continues entering beneath the home through leaking pipes, poor drainage or stormwater, installing a fan without addressing those issues may provide limited improvement. The most successful approach is usually to identify the moisture source, repair active water problems and then provide enough ventilation for the area to dry. Why Does Mould Grow Beneath a House? Mould spores are naturally […]

Home Ventilation System Costs in Melbourne

Home Ventilation System Costs in Melbourne

Understand home ventilation system costs in Melbourne, from simple moisture control to heat recovery, and choose a healthier solution for your home today.

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