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Bygg Din Egen Högpresterande Luftrenare
Energy Star 2025 Certifierade Komponenter - Spara 60-70% vs Kommersiella Enheter
Testad av Intertek - Energy Star 2025 Certifierad
Complete Air Purifier Kit - Everything You Need
Professional-Grade Components
- High-Performance Fans - 5-7 Sickleflow 120 fans delivering CADR 369-550 m³/hr
- Precision-Cut Panels - Pre-cut MDF panels for perfect assembly
- Complete Hardware - All screws, cable ties, and fan grills included
- Power Supply Included - Energy-efficient and reliable
- Easy Assembly - Build your purifier in under 30 minutes
What Independent Experts Say
Unbiased reviews from HouseFresh — trusted air purifier testers with lab-grade equipment
Key Findings from Lab Testing
✓
2.4x More Efficient than any commercial competitor
✓
Whisper-Quiet at 39dB
✓
Cheapest Filters (£15/filter replacement)
✓
Energy Star 2025 Certified
Varför Välja DIY Luftrenare?
Kostnadseffektivt
Spara hundratals jämfört med kommersiella luftrenare
Hög Prestanda
300-600 CFM CADR jämförbar med premium enheter
Lätt att Bygga
Montering på under 30 minuter med enkla verktyg
Vetenskapligt Bevisat
Corsi-Rosenthal design validerad av experter världen över
🏙️ Stockholm Luftkvalitet Special
Upptäck hur DIY-luftrenare kan förbättra Stockholms luftkvalitet. Med PM2.5-nivåer på ~3.5-5 µg/m³ (bland Europas renaste) är ren inomhusluft viktigt för stockholmare.
Vad Våra Europeiska Kunder Säger
Verkliga erfarenheter från kunder i Storbritannien och Europa
✓ Verifierat Köp
"Snabb leverans till Sverige! Enkel att montera. Jag märkte skillnad redan efter första dagen - mindre damm, bättre luft. Mycket billigare än Blueair!"
Utforska Luftrenings Ämnen
Luftrenare DIY Bäst i Test 2025 - Astma Allergiförbundet Sverige
Skapa en kraftfull luftrenare hemma - Astma Allergiförbundet kvalitet till rätt pris. Populär i Sverige (Stockholm, Göte...
Lär Dig Mer →Corsi-Rosenthal Box Kit Sverige - Premium Kit från 1800 kr | Fri Frakt
Letar du efter en Corsi-Rosenthal Box? Clean Air Kits erbjuder premium CR Box varianter - professionella kit inspirerade...
Lär Dig Mer →CR Box Kit Sverige - Premium Kit från 1800 kr | Fri Frakt
Letar du efter en CR Box? Clean Air Kits erbjuder premium CR Box varianter - professionellt designade kit med överlägsen...
Lär Dig Mer →Box Fan Air Purifier
Convert any 20-inch box fan into an effective air purification system....
Lär Dig Mer →HEPA Filter DIY UK
HEPA filters capture 99.97% of particles down to 0.3 microns. DIY solutions popular across UK provide same performance a...
Lär Dig Mer →MERV 13 Filter
MERV 13 rated filters provide excellent particle capture for residential air purification....
Lär Dig Mer →Förstå Tekniska Termer
CADR (Clean Air Delivery Rate - Ren Luftleveranshastighet)
CADR (Clean Air Delivery Rate) är branschstandarden för att mäta luftrenares effektivitet. Det anger volymen av ren luft...
Lär Dig Mer →CFM (Kubikfot per Minut)
CFM (Cubic Feet per Minute) mäter volymen av luft som strömmar genom en luftrenare eller ventilationssystem. Det är en k...
Lär Dig Mer →MERV-Betyg (Minimum Efficiency Reporting Value)
MERV (Minimum Efficiency Reporting Value) är ett betygssystem från 1-20 som mäter luftfiltereffektivitet. Högre MERV-bet...
Lär Dig Mer →Vad Experter Säger
Danny Ashton
HouseFresh (UK)
"The Corsi-Rosenthal Box is not just a budget alternative - it's a genuinely high-performance air purifier that happens to be incredibly affordable. Our testing confirms what scientists have been saying: this DIY design works exceptionally well."
Läs Mer →Alex Kessler
Alex Kessler - Healthy Home Guide (USA)
"As an indoor air quality professional, I'm impressed by how effective these DIY solutions are. The Corsi-Rosenthal Box isn't just cost-effective - it's genuinely high-performing air purification that I recommend to my clients."
Läs Mer →Independent Tester
YouTube Comparison Test
"The results speak for themselves - these DIY air purifiers are not compromising on performance. If anything, they're overperforming relative to their cost."
Läs Mer →Latest Air Quality Insights
Expert guides and seasonal tips for cleaner indoor air
Preparing Your Home for Allergy Season
Don't wait for symptoms to start. Prepare your home now for a comfortable allergy season.
Read Article →Complete Filter Maintenance and Replacement Guide
Maximize your air purifier's performance and lifespan with proper filter maintenance and replacement timing.
Read Article →Kontakta Oss
Har du frågor om våra DIY luftrenare-kit? Vi hjälper dig gärna!
Typisk svarstid: 24 timmar
Frequently Asked Questions
What is a CR Box or Corsi-Rosenthal Box?
A CR Box (Corsi-Rosenthal Box) is a DIY air purifier design invented by professors Richard Corsi and Jim Rosenthal. Clean Air Kits offers premium CR Box variant kits with pre-cut panels and professional components that deliver superior performance - removing 99.95% of airborne particles including dust, pollen, and viruses.
How much do Clean Air Kits CR Box kits cost?
Our premium CR Box variant kits start at £144 for fanless kits (you supply your own fans) and £204 for complete kits with high-quality fans included. This is significantly cheaper than commercial air purifiers like Dyson (£300+) while providing superior HEPA H13 filtration.
What's included in your CR Box kits?
Our kits include pre-cut MDF panels, all mounting hardware, cable ties, and detailed instructions. Complete kits (£204+) also include 5-7 high-performance Sickleflow 120 fans and power supply. Everything you need - just add your choice of HEPA filters.
Why choose Clean Air Kits over building my own CR Box?
Our premium kits use precision-cut panels and professional components for superior build quality and performance. No cutting, measuring, or sourcing parts - just simple assembly in about 30 minutes. Our kits outperform traditional DIY builds with better airflow and filtration efficiency.
Do you offer free shipping to the UK?
Yes, we offer free shipping across the UK with delivery in 2-3 business days. We also ship to all EU countries including Germany, France, Netherlands, Sweden, and more with competitive shipping rates.
How often do I need to replace the filters?
HEPA filters typically last 6-12 months depending on usage and air quality. We recommend checking filters monthly and replacing when visibly dirty. Compatible replacement filters are widely available.
Kom Igång
Bygg din egen högpresterande luftrenare med våra Energy Star 2025 certifierade DIY-kit. Spara 60-70% vs kommersiella enheter med beprövad Corsi-Rosenthal Box design.