How to remove dust mites from a mattress? - briefly
Vacuum the mattress using a HEPA‑rated attachment and follow with low‑heat steam cleaning to eliminate surviving mites. Encase the mattress in an allergen‑tight cover, wash all bedding weekly in water above 130 °F, and keep indoor humidity under 50 %.
How to remove dust mites from a mattress? - in detail
Dust mites thrive in the warm, humid environment of a sleeping surface. Effective eradication requires a combination of physical removal, environmental control, and periodic maintenance.
First, isolate the sleeping surface. Install a zippered mattress encasement that is certified allergen‑proof; this barrier prevents mites from entering or escaping. Choose a material with a pore size of 10 µm or smaller.
Next, eliminate existing populations:
- Heat treatment – Vacuum the mattress with a HEPA‑rated attachment, then apply steam at 130 °F (54 °C) for at least 30 seconds per area. Heat kills mites and their eggs.
- Cold shock – If a steam device is unavailable, place the mattress in a freezer‑grade environment (0 °F / –18 °C) for 24 hours. Extreme cold also destroys the organisms.
- Chemical control – Apply an EPA‑registered acaricide according to the label, focusing on seams and crevices. Allow the recommended drying period before bedding is replaced.
- Natural agents – Sprinkle diatomaceous earth (food grade) evenly over the surface, leave for 12 hours, then vacuum. The abrasive particles desiccate mites.
Control humidity to deter re‑infestation. Maintain indoor relative humidity below 50 % by using a dehumidifier or air conditioner. Monitor with a hygrometer and adjust settings seasonally.
Regular laundering removes residual allergens:
- Strip all bedding, pillowcases, and mattress pads.
- Wash at a minimum of 130 °F (54 °C) for 30 minutes.
- Dry on high heat for at least 20 minutes.
Implement a cleaning schedule:
- Vacuum weekly with a HEPA filter.
- Rotate the mattress 180° every three months.
- Replace the encasement every five years or sooner if damaged.
By integrating barrier protection, thermal or chemical eradication, humidity management, and disciplined upkeep, dust mite populations can be reduced to negligible levels, improving sleep hygiene and reducing allergen exposure.