Company lists · Data refreshed September 2026
Top 25 Hvac engineering firms based in Finland
RevenueBase identified 182 hvac engineering firms headquartered in Finland as of September 2026 and tracks 1,175 professional contacts across them, including 624 with verified work emails. Helsinki is the largest hub.
This list covers hvac engineering firms headquartered in Finland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest hvac engineering firms based in Finland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 67 contacts → | ||||
Indirect evidence “Aro Systems Oy on Suomen johtavia talotekniikan asiantuntija- ja palveluyhtiöitä yli 70 vuoden kokemuksella.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 63 contacts → | ||||
Indirect evidence “Olemme lämmitys- ja viilennysalan edelläkävijäyritys, joka toimittaa asiakkailleen energiatehokkaita, ympäristöystävällisiä ja uusinta teknologiaa hyödyntäviä lämmitys, viilennys-…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 60 contacts → | ||||
Indirect evidence “Saipun toiminta kattaa kaiken talotekniikan – suunnittelun, projektoinnin ja ylläpidon sisältäen: lämmitys, ilmanvaihto- ja ilmastointijärjestelmät, käyttö- ja…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 42 contacts → | ||||
Indirect evidence “Äyräväinen Oy on LVIAE- ja sähkötekniikkaan erikoistunut insinööritoimisto, jonka palveluihin kuuluvat niin projektien suunnittelu, rakennuttaminen, kuin valvontakin.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 42 contacts → | ||||
Indirect evidence “Cervi on energiatehokkaaseen ilmanvaihtoon ja jäähdytyksen/ lämmitykseen keskittynyt erikoisasiantuntijaorganisaatio.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 41 contacts → | ||||
Indirect evidence “Our service Modern technical building solutions improve the cost and energy efficiency of new and renovated buildings.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 39 contacts → | ||||
Indirect evidence “Laadukasta sisäilmastoa energiatehokkaasti.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 36 contacts → | ||||
Indirect evidence “Insinööritoimisto Leo Maaskola on partneri-omisteinen vuonna 1956 perustettu talo- ja rakennetekninen suunnittelu, valvonta ja projektinjohtotoimisto.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 26 contacts → | ||||
Indirect evidence “Me olemme Elvak, avulias edelläkävijä ja talotekniikan työparisi.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 20 contacts → | ||||
Indirect evidence “Olemme pääkaupunkiseudun johtavia LVI-huollon ja LVI-palvelu-urakoinnin asiantuntijayrityksiä.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 18 contacts → | ||||
Indirect evidence “ESP on talotekniseen urakointiin, huoltoon ja kunnossapitoon keskittynyt konserni, joka toteuttaa kaikkia LVISAK-palveluja asiakaslähtöisesti ja kustannustehokkaasti.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 contacts → | ||||
Indirect evidence “Hei me muutetaan: Optiplan saa uuden kodin 1.6.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 16 contacts → | ||||
Indirect evidence “Heatco Finland Oy is a Finnish company specializing in heating, ventilation, water and cooling systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 15 contacts → | ||||
Indirect evidence “Oy Insinööri Studio on vuonna 1990 perustettu yli 40 asiantuntijan LVIA, sähkö, rakennus, rakenne- ja arkkitehtisuunnittelutoimisto, jonka palveluihin kuuluvat myös kattavat…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 15 contacts → | ||||
Indirect evidence “Itula on energiaa ja ympäristöä säästäviin lämmitys- ja jäähdytysjärjestelmiin erikoistunut kotimainen yritys, joka myy ja valmistaa lvi-alan tuotteita ja järjestelmiä.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 12 contacts → | ||||
Indirect evidence “Olemme vuosikymmenten kokemuksen ja arvokkaan ammattitaidon omaava LVI-alan yritys, jonka vahva projektinjohto ja omistautunut tiimi takaavat laadukkaan lopputuloksen…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 contacts → | ||||
Partial evidence “TRP Group is a enterprise providing services in the HVAC, Electricity and Refrigeration sectors.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Indirect evidence “Suunnittelutoimisto Rusttet on vuonna 2017 perustettu, 20 ammattilaista työllistävä, kotimainen korjausrakentamisen suunnittelutoimisto.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 12 contacts → | ||||
Partial evidence “Daikin Europe N.V.(DENV) is a multinational and leading manufacturer and supplier of HVAC-R (heating, ventilation, air conditioning and refrigeration) equipment.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 12 contacts → | ||||
Indirect evidence “Kuopion Finteco LVIS Oy on kokonaisvaltainen talotekniikka-alan osaaja.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 11 contacts → | ||||
Indirect evidence “Quattro Mikenti Group provides a wide range of electrical and HVACR services.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “Insinööritoimisto TeknoPlan Oy is the residents friendly pipe renovations consulting company in the capital area of finland.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “Energytech on teollisuuden energiateknisten järjestelmien maahantuontiin, asennuksiin ja huoltoon erikoistunut yritys, joka toteuttaa asiakkailleen räätälöityjä energiaratkaisuja…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 contacts → | ||||
Indirect evidence “Stravent Oy – äänetöntä ja vedotonta ilmastointia!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 10 contacts → | ||||
Indirect evidence “USK Rakennus Oy on asiantunteva LVI- ja rakennuspalveluita tarjoava yritys.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: hvac engineering firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names hvac engineering firms.
- Partial evidence
- Its own public description names part of hvac engineering firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hvac engineering firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 182 hvac engineering firms based in Finland
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Hvac engineering firms based in Finland at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Finland, so it is reported there. Company counts and contact totals on this page are exact for Finland, over 182 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among hvac engineering firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Finland whose own description of what they do matches “hvac engineering firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names hvac engineering firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among hvac engineering firms, and records with no verified work email. Companies headquartered outside Finland are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 624 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Hvac engineering firms by metro
- Hvac engineering firms in Helsinki31
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names hvac engineering firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many hvac engineering firms are there based in Finland?
RevenueBase identified 182 hvac engineering firms headquartered in Finland as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
ARO Systems OY, headquartered in Helsinki, tops this list with the largest team on record.
Which city has the most hvac engineering firms?
Helsinki leads with 31 headquartered companies, followed by Espoo (15) and Vantaa (15).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 624 verified decision-maker contacts tracked across these 182 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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