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Air & humidity

Too dry or too wet, rarely just right.

Minneapolis winter air is so dry it cracks skin and hardwood. Add too much humidity back and it freezes on the windows. The answer is controlling it, not maximizing it.

Lindqvist / Air & humidity
Frost on a window looking out to a neighboring house

Three problems.

Too dry

Static, cracked floors, nosebleeds

A whole-house humidifier on the furnace, with a humidistat that lowers the setting as it gets colder outside.

Too wet

Frost and water on windows

Usually a ventilation problem. A balanced ventilator brings in fresh air without dumping your heat.

Stuffy

Dust and stale air

A better filter cabinet, and a ventilation check on tight newer houses.

Air prices.

01
Bypass humidifier

On the furnace, with an outdoor-reset humidistat.

installed
$895
02
Steam humidifier

For larger homes or boiler houses with ducts.

installed
from $1,850
03
Energy recovery ventilator

Balanced fresh air for tight homes.

installed
from $3,200
04
Media filter cabinet

A 4- or 5-inch filter instead of a 1-inch.

installed
$495

More from the journal.

JournalFrost on the windowsWhat it’s telling you.FurnacesFurnacesWhere the humidifier goes.BookBook a visitWe’ll measure it.

Static shocks in January? We can fix that.

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A Yeti Trades Co. portfolio site

The cold-climate heating site, built in seven days.

Sixteen pages: a live outdoor-temperature ladder, an honest cold-climate heat pump page that says when to keep the furnace, and a no-heat line that leads every page from November to March.

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