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Specification comes down to four factors: duct size, room type, mounting position, and whether the fitting sits in a bathroom zone that restricts the supply voltage or the ingress protection rating. The wider Exhaust Fan range sits alongside the Fantech models, and the Fantech Wall & Window Mount category holds the surface-mounted units.
| Duct Size | Typical Application |
|---|---|
| 100mm | Small bathrooms, ensuites, powder rooms |
| 125mm | Medium bathrooms, laundries, combined spaces |
| 150mm | Large bathrooms, kitchens, commercial applications |
As a general rule, a standard Australian bathroom up to 10m² suits a 100mm fan. A 125mm model steps up for larger wet areas or spaces carrying higher moisture loads. The 150mm models are the right call for kitchens, open-plan wet areas, or anywhere the installing electrician calculates a higher air change rate. Dedicated Bathroom Exhaust Fans and Exhaust Fans with Light categories cover the same duct sizes across other brands.
All Fantech DOM-C and EDM series exhaust fans install in either a ceiling or a wall position. Mounting direction does not change the model number; it follows the duct run and the structural layout of the space. Ducting, grilles and backdraught components sit in the Exhaust Fan Accessories category.
AS/NZS 3000 divides a bathroom into zones measured from the bath or shower, and each zone sets limits on what may be installed within it. Zone 0 is the interior of the bath or shower enclosure itself, and equipment installed there must run on extra-low voltage. Zones 1 and 2 extend outward and upward from that point, with a minimum ingress protection rating applying to equipment in each.
The Fantech EDM-100S/12V AC runs at extra-low voltage and carries an IPX7 rating, which suits positions closest to the bath or shower where a 240V fitting is not permitted. The remaining Fantech models are 240V units for positions outside those zones. The zone classification for any given room, and the rating required at each position, is determined on site by the installing licensed electrician.
The Fantech range at Sparky Direct splits into two product families. The distinction between them decides the model on the first pass rather than the second.
| Fantech Series | DOM-C Series | EDM Series |
|---|---|---|
| Type | Ducted extract fan | Surface-mounted extract fan |
| Duct sizes | 100mm, 125mm, 150mm | 100mm, 125mm, 150mm |
| Models stocked | DOM-100C, DOM-125C, DOM-150C | EDM-100S, EDM-100S/12V, EDM-200S, EDM-300S, EDM-300C |
| Shutter option | No | Yes (EDM-300C) |
| 12V IPX7 option | No | Yes (EDM-100S/12V) |
| Best for | Standard residential installs | Higher-spec or wet-area installs |
The DOM-C series is the straightforward ducted choice for most bathroom and laundry installations. It is compact and available across all three duct sizes.
The EDM series covers installations calling for a shuttered model to prevent backdraught when the fan is off, an extra-low-voltage wet-area unit, or a higher-spec fan for commercial or demanding residential work.
A run-on timer holds an exhaust fan running for a set period after the light switch is turned off. It is the most effective way to clear residual moisture from a bathroom after a shower, which reduces condensation on surfaces and lowers the risk of mould damage over time.
The Fantech VZ24C provides a 24-minute delay and wires in line with the fan circuit. It is the correct accessory where a bathroom exhaust fan is switched from the room light and the installation calls for ventilation to continue after the room is vacated. Comparable units across other brands sit in the Electrical Timers category, and speed control for larger installations is covered under Fan Speed Controllers.
Specification note: Where an existing bathroom fan stops the moment the light is switched off, a run-on timer is a practical retrofit. The VZ24C uses the existing switch wiring, so no additional switch position is required.
Fantech was founded in 1973 by Jack Pirie and Glen Harries, trading initially as Air and Noise Equipment and then as Air and Noise Engineering Pty Ltd, operating out of a family home in Melbourne. The business moved from representing other manufacturers to introducing its own products, starting with the Gamma and Minivent roof units and the Minitube in-line fans.
An alliance with Elta Fans UK during the mid-1980s brought adjustable pitch axial fan manufacture to Australia and New Zealand. The Spanish-made Soler and Palau range of wall, ceiling and in-line fans for the light commercial and residential markets followed in the new millennium.
Fantech was the first fan manufacturing and distribution company in Australia to achieve quality assurance accreditation. Its Victorian and New South Wales manufacturing sites hold ISO 9001:2015 certification, and its in-house air flow and noise testing facility uses calibrated equipment conforming to ISO 5801 for fan performance testing. The company is a founding member of the Fan Manufacturers Association of Australia and New Zealand, established in 2010, which works with government agencies on energy performance regulation for ventilation equipment. The full Fans department covers the broader ventilation range held at Sparky Direct.
Watch FANTECH DOM-150C | Extract Fan Ducted Wall Ceiling Mount 150mm | White video
Watch Fantech EDM-300C | 150mm Wall / Ceiling Mounted Exhaust Fan with Shutters video
Watch Fantech VZ24C | Run On Timer 24 minute | Time Delay video
Tough little fan is surprisingly quiet and moves a good volume of air. It has a simple, but effective non-return mechanism in the form of a fitted sheet of heavy plastic sheet.
Purchased Fantech EDM 12vac fan for kitchen exhaust in a domestic installation where standard Rangehood couldn’t be fitted. It fulfilled the job very well
Very compact and easy to install product. It simplifies wiring and utilises existing switch to delay fan and Time its running time as required.
Genuine Fantech stock • Expert advice • Fast Australia-wide delivery • Trade accounts welcome
Browse Fantech → Get Expert Advice →For most Australian bathrooms up to 10m², a 100mm Fantech exhaust fan (such as the DOM-100C or EDM-100S) is sufficient. Bathrooms larger than 10m², or those with a separate shower enclosure and high moisture load, typically suit a 125mm model. A 150mm fan is specified for large bathrooms, kitchens, or commercial spaces. If in doubt, your licensed electrician can calculate the required air change rate for the room.
Yes. All Fantech DOM-C and EDM series exhaust fans support both ceiling and wall mounting. The installation position is determined by your duct run and the structural layout of the space, not by the fan model itself.
Not for all bathroom locations. Australian wiring rules define bathroom zones based on proximity to water sources. For Zone 1 and Zone 2 locations (directly above or immediately adjacent to a shower or bath), a 12V extra-low-voltage fitting is typically required. The Fantech EDM-100S/12V AC (IPX7) is rated for these applications. For fans installed outside these zones, a standard 240V model is suitable. Always confirm zone requirements with a licensed electrician.
A run-on timer keeps the exhaust fan operating for a fixed period after the wall switch is turned off. The Fantech VZ24C runs the fan for 24 minutes after switch-off, allowing residual moisture and humidity to be cleared from the room. This reduces condensation on surfaces and lowers the risk of mould growth, particularly in bathrooms with poor natural ventilation.
One model in the Sparky Direct Fantech range includes shutters: the Fantech EDM-300C (150mm). Shutters close automatically when the fan is not running, preventing backdraught, insect entry, and heat or cold loss through the duct. If a shuttered model is a specification requirement, the EDM-300C is the correct choice from the current range.
The DOM-C is a ducted extract fan suited to standard residential bathroom and laundry installations, available from $83. The EDM series is a surface-mounted extract fan designed for higher-spec applications, including wet-area-rated 12V/IPX7 installations and shuttered models. Both series are available in 100mm, 125mm and 150mm. Choose DOM-C for straightforward installs; choose EDM where compliance, shutters or wet-area proximity is a requirement.
Sparky Direct stocks the full Fantech exhaust fan range and ships Australia-wide with flat-rate delivery. Orders are dispatched from Caboolture, Queensland, typically within 24 hours. No need to visit a trade counter; all models are available online with a 100-day money-back guarantee. Click-and-collect is also available for local customers near the Caboolture warehouse.
