Spring cleaning for allergy season in Minnesota
A Minnesota house spends five months sealed shut. By March the indoor air carries a winter’s worth of dust, dander and combustion residue, and then tree pollen arrives on top of it. The order you work in decides whether you remove allergens or redistribute them.
- Time
- A weekend, done properly
- Difficulty
- Moderate
What you need
- A vacuum with a HEPA filter, genuinely sealed
- Damp microfibre cloths — dry dusting moves allergens into the air
- Replacement furnace filter, MERV 11 or better
- Plant-based, fragrance-free cleaner
- A washing machine that can run at 60°C for bedding
What to keep out of the house
Feather dusters and dry cloths
They lift dust into the air, where it stays for hours and then resettles. Damp cloths capture it instead.
Fragranced sprays and plug-ins
They add volatile organic compounds to air you are trying to clean, and are a common trigger for the exact symptoms people are trying to reduce.
Opening every window on a high pollen day
Ventilation is good, but airing the house out at the peak of the morning tree-pollen count brings in more than it removes. Late afternoon and after rain are better.
Step by step
- 1
Change the furnace filter before anything else
Everything you disturb over the next two days will pass through it. A clean MERV 11 or higher filter, fitted first, is the highest-value ten minutes of the whole job.
- 2
Work top-down, damp, room by room
Ceiling fans, light fittings, tops of wardrobes, picture rails, then shelves and surfaces, then floors. Damp cloth every time. Anything you dislodge falls to a surface you have not yet cleaned.
Ceiling fan blades hold a remarkable amount of winter dust, and switching one on before cleaning it distributes that across the entire room.
- 3
Wash all bedding hot
60°C is the temperature that kills dust mites; cooler washes move them around. Pillows and duvets too, not just covers. This is the single biggest lever for anyone whose symptoms are worst overnight.
- 4
Vacuum thoroughly, including upholstery and mattresses
Slow passes, HEPA filter, and do the soft furnishings — sofas and mattresses hold more dander than carpet does.
- 5
Clean the window tracks and screens
This is where pollen and winter grit accumulate, and it is directly in the path of the air you let in when you finally open the windows.
- 6
Wipe the entryway hard
Pollen arrives on shoes, coats and pets. A shoes-off entry and a wiped mudroom keeps a surprising amount of it out of the rest of the house.
Common mistakes
- Cleaning before changing the furnace filter
- Dry dusting, which aerosolises exactly what you are trying to remove
- Washing bedding at 30°C and assuming it dealt with mites
- Ignoring upholstery and mattresses
- Adding fragrance to freshly cleaned air
Where this matters most in Minnesota
Heaviest in the wooded west metro — Chanhassen sits beside the Landscape Arboretum and runs a noticeably worse pollen season than the metro average, with Minnetonka, Mendota Heights and Golden Valley close behind.
We serve all of these areas — tap through for local detail.
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