Top 10 Foggers and Disinfectants for Evacuation Centres and Disaster Shelters: Lessons from Norovirus at the Pasadena Wildfire Evacuation Shelter (2025)
Last updated: 12 Nov 2026 | 7 Views |
Top 10 Foggers and Disinfectants for Evacuation Centres and Disaster Shelters: Lessons from Norovirus at the Pasadena Wildfire Evacuation Shelter (2025)
An LA wildfire evacuation shelter saw at least 28 norovirus cases. What should Thai flood evacuation centres prepare?
The Real Story from the News: Escaping Fire, Facing Illness
Yahoo News, citing CNN, reported on 20 January 2025 that the Pasadena Convention Center evacuation shelter had at least 28 norovirus cases, per Pasadena Public Health.
Measures included separating symptomatic residents, adding handwashing stations, and disinfecting bathrooms more often with cleansers that kill norovirus, gloves for food handlers and round-the-clock health staff.
Why Choosing the Right Equipment Matters
Shelters house hundreds together with shared toilets and kitchens, often with limited clean water after disasters. Pasadena shows separating the sick, handwashing points and frequent bathroom cleaning are the core.
Top 10 Disinfection Foggers and Disinfectants for Evacuation Centres and Disaster Shelters
#1 AIROFOG U260 (Electric ULV fogger)
Highlights: German Airofog brand, 800 W motor, 15-30 micron droplets, 5 L tank, works with water-based disinfectants
Best for: Indoor fogging of medium to large buildings such as offices, schools and hospitals
Why it ranks here: Fogs large shared sleeping halls when temporarily cleared
See product and price - click here#2 CHEMGENE HLD4H (High-level medical-grade disinfectant)
Highlights: UK disinfectant that meets EN 14476 and is trusted by NHS England according to the product page, available for foggers and as a spray
Best for: Use with ULV foggers in hospitals, clinics, hotels and offices
Why it ranks here: Wipes toilets, rails and food tables
See product and price - click here#3 WELLGIENIC (Disinfecting wet wipes)
Highlights: 30 wipes per pack, easy to carry for instant wiping of touch points
Best for: Wiping handles, desks and phones during the day
Why it ranks here: Handed out for residents' personal items
See product and price - click here#4 SOLO PORT 423 (Backpack mist blower)
Highlights: 4.1 hp engine, 12 L chemical tank, reach up to 12 m, droplets under 30 microns
Best for: Large outdoor areas, warehouses, factories, farms and markets
See product and price - click here#5 ULV 2680A (Value electric ULV fogger)
Highlights: Longray 2680A-II, 800 W motor, 6 L tank, adjustable 5-50 micron droplets, about 5 kg according to supplier data
Best for: Shops, classrooms, guest rooms and daily fogging
See product and price - click here#6 AIROFOG U240 (Lightweight electric ULV fogger)
Highlights: German Airofog brand, 15-30 micron droplets, 5 L tank, only 3.1 kg for easy handheld use
Best for: Small to medium rooms, clinics, homes, guest rooms and vans
See product and price - click here#7 STEMAR (Disinfecting steam cleaner)
Highlights: Uses steam above 100°C with no chemicals, ideal for fabrics and crevices sprays cannot reach
Best for: Mattresses, sofas, curtains, hotel beds and bedbug treatment
See product and price - click here#8 CHEMGENE HLD4L (Disinfectant for homes and children's areas)
CHEMGENE brand illustration
Highlights: From the same family as HLD4H, recommended by WHD for homes, kindergartens and childcare centres according to its website
Best for: Homes, childcare centres, kindergartens and offices
See product and price - click here#9 AIROFOG UM2 (Truck-mounted fogger, 2 nozzles)
Highlights: 50 L tank, mist reach up to 10 m, adjustable output
Best for: Communities, villages, estates and medium farms
See product and price - click here#10 AIROFOG UM4 (Truck-mounted fogger, 4 nozzles)
Highlights: 18 hp engine, 75 L tank, mist reach up to 10 m
Best for: Large areas such as municipalities, industrial estates and big farms
See product and price - click hereRanking Summary Table
| Rank | Product | Type | Best for |
|---|---|---|---|
| 1 | AIROFOG U260 | Electric ULV fogger | Indoor fogging of medium to large buildings such as offices, schools and hospitals |
| 2 | CHEMGENE HLD4H | High-level medical-grade disinfectant | Use with ULV foggers in hospitals, clinics, hotels and offices |
| 3 | WELLGIENIC | Disinfecting wet wipes | Wiping handles, desks and phones during the day |
| 4 | SOLO PORT 423 | Backpack mist blower | Large outdoor areas, warehouses, factories, farms and markets |
| 5 | ULV 2680A | Value electric ULV fogger | Shops, classrooms, guest rooms and daily fogging |
| 6 | AIROFOG U240 | Lightweight electric ULV fogger | Small to medium rooms, clinics, homes, guest rooms and vans |
| 7 | STEMAR | Disinfecting steam cleaner | Mattresses, sofas, curtains, hotel beds and bedbug treatment |
| 8 | CHEMGENE HLD4L | Disinfectant for homes and children's areas | Homes, childcare centres, kindergartens and offices |
| 9 | AIROFOG UM2 | Truck-mounted fogger, 2 nozzles | Communities, villages, estates and medium farms |
| 10 | AIROFOG UM4 | Truck-mounted fogger, 4 nozzles | Large areas such as municipalities, industrial estates and big farms |
How to Use Them Effectively
- Set up an isolation zone with separate toilets
- Add soap handwashing points by toilets and kitchens
- Clean toilets with a product labelled for norovirus several times a day
- Food handlers wear gloves and stop work when ill
- Fog halls with the U260 when cleared; usable about 30 minutes after ULV fogging
Before and After Using the Right Equipment
Before: The sick slept with everyone else and toilets were cleaned once a day.
After: An isolation zone, handwashing points and frequent cleaning. The outbreak is contained.
Prefer Not to Do It Yourself? Use a Professional Service
If buying equipment is not practical or the area is too large, use the World Health Disinfection disinfection service or ozone treatment service. The team wears full protective equipment, chooses products to suit the germ and surface, and reports after the job.
Frequently Asked Questions
Q: What if clean water is limited? A: Prioritise water and soap for handwashing and coordinate with local health authorities.
Q: How long before the area can be used? A: After ULV fogging, areas are typically usable about 30 minutes later. For ozone treatment, no people or pets may be inside and the room must be ventilated before use.
Q: Can I get a tax invoice? A: Yes. Tax invoices are issued and 3% withholding tax is supported. Call 065-556-6294 or LINE @whd268.
Health References
Follow disease updates from Thailand's Department of Disease Control (hotline 1422) and the World Health Organization. Disinfection reduces germs in the environment and is not medical treatment; anyone with symptoms should see a doctor.
Summary
Pasadena shows evacuees face a second risk in shelters. Centres with hygiene plans and tools ready keep people safe until they go home.
Keywords: evacuation centre, disaster shelter, norovirus, AIROFOG U260, Chemgene HLD4H
