Testet af Intertek - Energy Star 2025 Certificeret
Luftrensere Under Forkølelse- og Influenzasæsonen: Dit Forsvar Mod Luftbårne Vira
Forkølelse- og influenzasæsonen er her. Opdag hvordan HEPA-luftrensere kan reducere transmission af luftbårne vira.
Read Article →
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
Hvorfor Vælge DIY Luftrensere?
Omkostningseffektivt
Spar hundreder sammenlignet med kommercielle luftrensere
Høj Ydeevne
300-600 CFM CADR sammenlignelig med premium enheder
Let at Bygge
Montering på under 30 minutter med simple værktøjer
Videnskabeligt Bevist
Corsi-Rosenthal design valideret af eksperter verden over
🏙️ København Luftkvalitet Special
Opdag hvordan DIY-luftrensere kan forbedre Københavns luftkvalitet. Med PM2.5-niveauer på ~6-9 µg/m³ er ren indendørsluft vigtig for københavnere.
Hvad Vores Europæiske Kunder Siger
Ægte oplevelser fra kunder i UK og Europa
✓ Verificeret Køb
"Hurtig levering til Danmark på kun 3 dage! Nem at samle. Min astma er meget bedre nu. Sover bedre om natten. Anbefaler stærkt!"
✓ Verificeret Køb
"Fantastisk hurtig levering! Bygget på 30 minutter. Mit barn med astma har det meget bedre nu. Luften er renere. Perfekt!"
Udforsk Luftrensning Emner
DIY Air Purifier Kit UK
Create a powerful, cost-effective air purifier at home. Popular across UK homes - save 60-70% vs. commercial brands....
Lær Mere →Corsi-Rosenthal Box Kit UK - Premium CR Box from £144 | Free Shipping
Looking for a Corsi-Rosenthal Box? Clean Air Kits offers premium CR Box variants - professionally engineered kits inspir...
Lær Mere →CR Box Kit UK - Premium Kits from £144 | Free UK Shipping
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HEPA filters capture 99.97% of particles down to 0.3 microns. DIY solutions popular across UK provide same performance a...
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MERV 13 rated filters provide excellent particle capture for residential air purification....
Lær Mere →Forstå Tekniske Termer
CADR (Clean Air Delivery Rate)
CADR (Clean Air Delivery Rate) is the industry-standard metric for measuring air purifier effectiveness. It indicates th...
Lær Mere →CFM (Cubic Feet per Minute)
CFM (Cubic Feet per Minute) measures the volume of air that flows through an air purifier or ventilation system. It's a ...
Lær Mere →MERV Rating (Minimum Efficiency Reporting Value)
MERV (Minimum Efficiency Reporting Value) is a rating system from 1-20 that measures air filter efficiency. Higher MERV ...
Lær Mere →Hvad Eksperter Siger
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."
Læs Mere →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."
Læs Mere →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."
Læs Mere →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 →Kom I Kontakt
Har du spørgsmål om vores DIY luftrenser-sæt? Vi er her for at hjælpe!
Typisk svartid: 24 timer
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 I Gang
Byg din egen højtydende luftrenser med vores Energy Star 2025 certificerede DIY-sæt. Spar 60-70% vs kommercielle enheder med bevist Corsi-Rosenthal Box design.