Is carpet bad for allergies?
More contested than most people assume. Carpet traps particulate and holds it until it is vacuumed or extracted; hard floors let the same particulate stay airborne and redistribute with every footstep. Neither surface is automatically better — what decides it is whether it is actually maintained. In most homes the mattress and the upholstery hold more of the load than the floor does.
Why the question does not have a one-word answer
Carpet acts as a reservoir. It holds dust mite allergen, pet dander and pollen in the pile rather than in the air, and it keeps holding it until something removes it.
A hard floor holds nothing. The same particulate stays mobile, settles, and lifts again with every footstep and every door.
Which of those is preferable depends entirely on maintenance. An unmaintained carpet is worse than a swept hard floor. A carpet on a real vacuuming and extraction cycle is arguably better, because it takes the reservoir out of the house instead of circulating it.
Where the load actually sits
More of the allergen burden in a house sits in the mattresses and the soft furniture than in the floor. The mechanism is dust mites: they live on the dead skin we shed, and it is their microscopic waste that becomes airborne.
The shedding is concentrated exactly where you would expect — eight hours a night in a bed, four or five hours in the same seat on the couch. Somebody reacting at night and feeling better during the day is often reacting to where they sleep rather than to the floor.
What actually reduces it
Take the food supply away rather than chasing what it produces. Vacuum the bare mattress every time you strip the sheets — a minute, and the only moment the surface is accessible. Vacuum the couch and your usual chair weekly. Vacuum the floor slowly and often.
Then have the oils and trapped debris extracted out of carpet, upholstery and mattresses on a cycle, because vacuuming reaches the dry portion and extraction reaches what vacuuming cannot.
What we will not tell you
Nobody should promise a cure, and we do not. What is true and checkable is narrower: reducing the reservoir reduces exposure. Spiker makes no health-outcome claims about any of this, because those are not measurements anyone takes on a residential job.
If someone in the house has a specific sensitivity, say so when you book and the chemistry is adjusted.
The follow-up
questions.
Not on that basis alone. Neither surface is automatically better — carpet holds particulate until it is removed, hard floors let it stay mobile. Maintenance decides the outcome more than the material does.
It can help meaningfully, because extraction removes a substantial share of the reservoir that vacuuming cannot reach. The mattress usually matters more than the carpet for somebody reacting at night.
In the mattresses and the upholstery more than in the carpet — the surfaces a person spends the most uninterrupted hours pressed against. That is a function of hours, not of the material.
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