Air IN

Preheating supply air chimney

Air IN – supply air chimney has been developed to convey fresh and preheated combustion air brought from outside, directly for the burning in the fireplace. Thanks to the air circulation, fire safety is improved, which means that only minimal safety distances are required for the chimney.



Safety chimney with top-class insulations

Unique steel chimney is fire safe, CE-marked, soot fire resistant and multiwalled system chimney, tested for the T600 heat category, for vertical and horizontal installation, to be installed at 30°, 45° and 90° angle.



Basic chimney with tongued and grooved insulation

Basic chimney suits best for the smoke ventilation of heat storing fireplaces and heating boilers, and to be used as ventilation flues. Simple and efficient stone wool insulation facilitates more versatile usability and the best possible safety.

Why Härmä?

We know how to make homes safe.

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Planning and instructions

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Are you planning to get yourself a fireplace and chimney?

10 tips to avoid pitfalls

Did you know that there are stricter regulations than before, stipulated for chimneys, that you should take into consideration if you are planning to get a fireplace and chimney for your home or leisure residence?

These tips help you to avoid unpleasant surprises and wrong purchases:

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