Härmä Air Oy

Härmä Air is a family-owned company established in 1997 and located in Alahärmä, South Ostrobothnia, Finland.

Wholesale Building Materials

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Headquarters: Voltti, FinlandSource: RevenueBaseRetrieved October 13, 2026
Employee range: 11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded: 1992Source: RevenueBaseRetrieved October 13, 2026
Published list appearances: 1 supported appearance ↗Source: RevenueBase lists

The company at a glance

What does Härmä Air Oy do?

The company designs and manufactures steel chimney solutions. The company has played a role in shaping testing standards for modern steel chimneys.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

System chimneys

The company offers system chimneys for the fireplace market, designed to meet energy-efficient building standards.

Source: LinkedIn company description · Retrieved October 13, 2026

Make-up air chimneys

The company offers chimneys that preheat supply air.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

#20OF 25

Worldwide

Chimney cap manufacturers

Snapshot: September 29, 2026

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Positions describe ordering within each source list. See how lists are built ↗

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Härmä Air Oy

#20 Chimney cap manufacturers

Snapshot: September 29, 2026

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<a href="https://revenuebase.ai/companies/browse/chimney-cap-manufacturers" target="_blank" rel="nofollow noopener">
  <img src="https://revenuebase.ai/companies/profiles/harmaair/recognition-companies-browse-chimney-cap-manufacturers-20260930-3bd07ea4b0432f0180d4895de2f884a5592696055381b889b2a8075a2d7165ce.svg" alt="Härmä Air Oy listed #20 on Chimney cap manufacturers, September 29, 2026" width="220" height="319" style="max-width:100%;height:auto;" />
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Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 29, 2026. How the company lists are built.

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