Beat Hay Fever with Air PurifiersUK 2026 Guide
15-20% of UK residents suffer from hay fever. HEPA air purifiers remove 99.97% of pollen particles, providing significant relief during peak season (March-September).
Proven Effective
Clinical studies show 60-95% reduction in indoor pollen exposure with HEPA air purifiers
Affordable DIY
Build a Corsi-Rosenthal box for £50-100 or PC fan purifier for £150-200
24/7 Relief
Run continuously during pollen season (March-Sept) for best results. Energy cost £10-30/year
Are You Prepared for the Coming Allergy Emergency?
Prepare now while you still have time. Most hay fever sufferers wait until symptoms are unbearable. Don't be one of them.
Step 1: Get Early Warnings
Know when bad days are coming before your symptoms tell you. Free alerts direct to your phone.
Step 2: Create a Safe Zone
Your bedroom should be your allergy sanctuary. MERV-13 filters capture 85%+ of pollen while you sleep.
The pattern: People search for solutions, read about them, then leave without acting. Symptoms return. They search again. Break the cycle today. Make your home air SAFE today.
UK Pollen Season Calendar
March-April
Tree pollen (birch, oak, ash)
May-July
Grass pollen (peak season)
August-September
Weed pollen (nettle, dock)
Best Air Purifiers for Hay Fever
DIY Corsi-Rosenthal Box
Best Value£50-100 | CADR: 600-850 CFM (1,020-1,445 m³/h)
- Captures 90%+ of pollen particles (10-100 microns)
- 15-45 minute build with UK-available parts
- Covers up to 100m² at 5 ACH
- Filter replacement every 3-6 months: £60-80
PC Fan Build (CleanAirKits)
Quietest£150-200 | CADR: 525+ m³/h
- Ultra-quiet 30-37dB (ideal for bedroom use)
- Energy efficient: 11W = £23/year @ £0.24/kWh
- MERV-13 filtration (captures 99%+ pollen)
- Free UK shipping on orders over £100
Tips for Maximum Hay Fever Relief
Placement Strategy
- • Run in bedroom overnight (8 hours clean air)
- • Keep windows closed 5am-10am (peak pollen)
- • Position 1-2m from bed
- • Run continuously March-September
Maintenance Schedule
- • Vacuum pre-filter weekly
- • Replace HEPA filter every 6-12 months
- • Start 2 weeks before symptoms begin
- • Clean or replace when airflow decreases
Running Costs (UK Energy Prices)
| Usage Pattern | Power | Cost/Year |
|---|---|---|
| PC Fan (24/7, year-round) | 11W | £23 |
| CR Box (24/7, March-Sept only) | 80W | £98 |
| Commercial HEPA (24/7, seasonal) | 40W | £49 |
Based on £0.24/kWh average UK electricity price (late 2025)
Calculate Your Room's Air Changes Per Hour (ACH)
For hay fever relief, aim for 5-6 ACH minimum. Use our free calculator to determine the right purifier size for your room.
Free ACH CalculatorReady to Beat Hay Fever?
Start with our DIY guide or shop pre-built units with the STAROFFER promo code for 10% off