PurAire Singapore: Bipolar Ionisers for Odour Removal, Mould Elimination & Indoor Air Purification
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PurAire FCU-2 & FCU-3: Professional Fan Coil Bipolar Ionisers for Hotel Room Remediation

PurAire FCU/2 installs in hotel room fan coil unit for mould & odour removal Singapore
PurAire's FCU/2 Silently Deodorizes and Sanitizes your guest room
PurAire FCU/3 installs in hotel room fan coil unit for mould and odour removal Singapore
PurAire FCU/3 Silently deodorizes and removes mould from large rooms

Recover Your Room Inventory: Eliminate Mould, Mildew, and Tobacco Odours Permanently

In Singapore’s high-humidity environment, luxury hotels often face the challenge of "problem rooms." Persistent mouldy smells, lingering tobacco odours, or VOCs from recent renovations lead to immediate guest complaints, forced room changes, and lost revenue. When a room is blocked from inventory, it’s a direct hit to your bottom line.
Proven 24-hour remediation for cigarette, cigar and tobacco odours, mouldy-mildewy smells
Get a Free Revenue Recovery Consultation
Stop losing revenue on blocked rooms today.

                      The Solution: Active Bipolar Ionisation for FCU Systems

The PurAire FCU series is specifically engineered for Singapore's hi-humidity tropical climate, meeting the rigorous demands of 5-star hospitality standards for indoor air quality (IAQ) and infectious aerosol control.​

The PurAire FCU-2 (up to 70 SqM) and FCU-3 (100+ SqM) are professional-grade remediation tools designed to install discreetly inside the ceiling Fan Coil Unit (FCU) or supply duct.

Using our proprietary Glass DBD Bipolar Ionisation, these units saturate the guest suite with a continuous flow of positive and negative Oxygen ions. Unlike passive filters or ozone "shock" treatments, this system works safely and silently while the room is occupied to:
​
  • Destroy Odours at their source: Neutralises and destroys the chemical bonds of tobacco odours and smoke, body odours, and food smells. Odours are gone. Mould and mildew spores are killed, that mouldy, musty smell is gone.
  • Active Mould Suppression: By saturating the air with ions, the FCU-2/3 deactivates airborne mould spores before they can colonise on carpets, curtains, and furnishings.
  • Deactivate Pathogens: Proactively kills airborne viruses, bacteria, and mould spores before they settle on carpets or upholstery.
  • Agglomerate Particulates: Causes PM2.5 and allergens to clump together and fall out of the breathing zone.
  • Silent & Invisible: Guests will never see or hear the unit, but they will instantly notice the "Swiss Mountain Top" freshness of the air.

      Fast Results, Rapid ROI - your "problem rooms" get put back into inventory

The transformation is often achieved within hours. By restoring "Swiss Mountain Top" freshness to rooms that were previously unsellable, the PurAire FCU Series pays for itself in just a few days of recovered room revenue. Rooms that you had touble selling and were blocked, now smell fresh and clean. You can put them back into inventory, and your ROI on this investment is less than several days! 
 

Stop masking odours with chemicals. Deliver the pristine air quality your guests expect. With our FCU/2 or FCU/3 your guests will notice and enjoy how nice and fresh the air is in their guest room.

Technical Specifications & Coverage

Feature PurAire FCU-2 PurAire FCU-3
Primary Application Standard Hotel Rooms / Suites Large Suites / Presidential Rooms
Coverage Area 50 - 70 SqM 100+ SqM
Technology Proprietary Glass DBD Bipolar Ionisation
Ozone Output 0.00 ppm (Environmentally Safe & Non-Toxic)
Maintenance Filter-Free / Simple Annual Inspection
Tube Lifespan ~17,000 Hours (Approx. 2 Years)
ROI Target Less than 5 days (via Recovered Room Revenue)
Download FCU/2 Technical Data (PDF)
How it works

Frequently asked questions about the PurAire FCU Series

Why do hotel rooms in Singapore develop a persistent "musty" or "mouldy" smell?

  • Singapore’s high humidity often leads to moisture being trapped within the FCU (Fan Coil) system, carpeting and soft furnishings. Traditional cleaning, even rigorous carpet cleaning can't eliminate these odours.. The PurAire FCU series uses Bipolar Ionisation to destroy mould spores and organic odours at their source, rather than just covering them up like a fragrance.

Can these units remove old tobacco and "stale smoke" smells from guest suites?

  • Yes. The FCU-2 and FCU-3 are highly effective at neutralizing tobacco odours. The ions break down the chemical compounds of nicotine and tar trapped in curtains and carpets, allowing "smoking rooms" to be converted back to non-smoking inventory or quickly refreshed after a violation.

How long does it take to see results after installing the FCU-2 or FCU-3?

  • Most hotels report a noticeable difference in air "crispness" within the first hour. Complete remediation of deep-seated odours typically occurs within 12 to 24 hours, allowing you to put the room back into your sellable inventory almost immediately.

Is the installation of the ionizer complicated, and is it noisy for the guest?

  • Not at all. Installation is simple and quick. The unit is installed inside the ceiling's fan coil space. It is completely silent and invisible to the guest. Once installed, it provides 24/7 protection without any moving parts or guest-facing equipment.

What is the maintenance schedule for the FCU series?

  • The PurAire FCU series is designed for "set and forget" industrial use. There are no filters to change. We recommend a simple annual inspection and cleaning of the Glass DBD tubes, which are rated for approximately 17,000 hours of continuous operation (roughly 2 years).

Need a portable solution for rapid room turnover? Check out our
​ AirPro-MAX Professional Bipolar Ioniser."
Ready to eliminate "Problem Room" complaints for good?
Don't let another night of lost revenue pass by. Whether you need to remediate five rooms or five hundred,
​PurAire has the hospitality-grade solution for Singapore's climate.
REQUEST A QUOTE FOR YOUR PROPERTY
Singapore-wide installation and support available.
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PurAire Singapore (Division of ProMedUSA Pte Ltd)
111 North Bridge Road, #08-27, Peninsula Plaza
Singapore 179098

Tel: +65 6836 9665 | WhatsApp: +65 9456 8313
Email: [email protected]
AFFORDABLE DBD TUBE TYPE BIPOLAR IONISATION
  • Home
  • WHY CHOOSE PURAIRE?
  • About Us
  • Products
    • PurAire DUO Portable Ioniser
    • ProMedUSA AirPro-MAX Portable Ioniser
    • PurAire ULTRA Series Ionisers for Larger Spaces
    • FIXED or IN-DUCT IONISATION UNITS
    • MiniPro Bipolar Ionisers for Toilets, Guest Rooms, Clinics
    • PurAire LiftPro for Lifts or Small Rooms
    • PurAire FCU/2 and FCU/3 for Fan Coil Installation
    • Powerful Wall Mounted SG-BPI-MAX
    • PurAire Pyramid for Home, Hotel, Desk or Clinic
    • SG-Mini-5 Cassette or Split Aircon Ionisers
    • UNIVERSAL REPLACEMENT IONISATION TUBES
    • Atmocube IAQ Monitor
  • How it works
  • TESTS & CERTIFICATIONS
  • PurAire DUO Support Page
  • iaq-bipolar-ionisation-blog
  • SINGAPORE DEALER
  • Malaysia Dealer
  • Philippines Dealer
  • Indonesian Dealer
  • Macedonia Dealer