Company lists · Data refreshed October 2026

Top 25 Energy efficient heating manufacturers based in Poland

Name: Energy efficient heating manufacturers based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 176 companies tracked

RevenueBase identified 176 company matches for energy efficient heating manufacturers associated with Poland as of October 2026 and tracks 1,412 professional contacts across them, including 278 with verified work emails. Warsaw is the largest hub.

This list covers company matches for energy efficient heating manufacturers associated with Poland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 12, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 12, 2026 How this list was built

176Companies

1,412Contacts tracked

278Verified emails

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The 25 largest energy efficient heating manufacturers based in Poland

Ranked by team size

Top 25 of 176 company matches for energy efficient heating manufacturers based in Poland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	DEFRO	Exact match	Powiatowa 111 A, PolandHQ recorded Oct 12, 2026	501-1,000	96 contacts →
	Exact match “DEFRO – we are specialists in the heating technology industry since 1973.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Nibe-Biawar	Exact match	Białystok, PolandHQ recorded Oct 12, 2026	201-500	77 contacts →
	Exact match “NIBE-BIAWAR to największy w Polsce producent zaawansowanych technologicznie rozwiązań grzewczych do domów jednorodzinnych, budynków wielorodzinnych, obiektów przemysłowych i…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Vaillant Polska	Exact match	Warsaw, PolandHQ recorded Oct 12, 2026	n/a	61 contacts →
	Exact match “Grupa Vaillant jest liderem na rynku międzynarodowym w dziedzinie techniki grzewczej i wentylacyjnej oraz klimatyzacji.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Polonez Plus Sp. Z O.O	Exact match	Warsaw, PolandHQ recorded Oct 12, 2026	51-200	50 contacts →
	Exact match “Polonez Plus – o Firmie.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Grudnik Sp. Z O. O	Exact match	Kraków, PolandHQ recorded Oct 12, 2026	501-1,000	39 contacts →
	Exact match “GRUDNIK SP Z O O is a company based out of Cracow, Małopolskie, Poland.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Termet SA Ferro Group	Exact match	Świebodzice, PolandHQ recorded Oct 12, 2026	201-500	36 contacts →
	Exact match “TERMET S.A, as part of Ferro Group S.A, is a leading manufacturer of heating devices in Poland - gas boilers of various types, heat pumps, water heaters and solutions based on…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Versol Group	Exact match	Warsaw, PolandHQ recorded Oct 12, 2026	51-200	26 contacts →
	Exact match “Water Heating & Cooling solutions, offering Storage Calorifiers, Boilers, Heat Exchangers, Heat Pumps and Solar Panels which are designed and manufactured in in accordance with…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	BDR Thermea Poland	Exact match	Wrocław, PolandHQ recorded Oct 12, 2026	51-200	21 contacts →
	Exact match “BDR Thermea Poland Sp.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Stiebel Eltron Polska	Exact match	Warsaw, PolandHQ recorded Oct 12, 2026	11-50	18 contacts →
	Exact match “STIEBEL ELTRON to rodzinna firma o międzynarodowym zasięgu, z ponad 100-letnią tradycją.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Greenmax	Exact match	Warsaw, PolandHQ recorded Oct 12, 2026	51-200	15 contacts →
	Exact match “Specjalizujemy się w ekologicznych systemach grzewczych oraz odnawialnych źródłach energii.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Schlösser Heiztechnik Gruppe Polska	Exact match	Główna, PolandHQ recorded Oct 12, 2026	51-200	14 contacts →
	Exact match “Wizytówką firmy jest pełna elegancji armatura grzewcza.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Systema Polska Sp. Z O.O	Exact match	Zduńska Wola, PolandHQ recorded Oct 12, 2026	51-200	14 contacts →
	Exact match “Systema Polska Sp.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Sander System	Exact match	Kraków, PolandHQ recorded Oct 12, 2026	11-50	13 contacts →
	Exact match “Wierzymy, że stworzyliśmy rozwiązania w zakresie ogrzewania płaszczyznowego i instalacji, które realnie wpływają na komfort życia naszych Klientów.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Thermoval Polska S.A	Exact match	Piaseczno, PolandHQ recorded Oct 12, 2026	11-50	11 contacts →
	Exact match “Nasza Firma jako THERMOVAL POLSKA funkcjonuje od 1 maja 2003 roku, jednak historia jej wcześniejszej działalności sięga lat osiemdziesiątych dwudziestego wieku.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Qvantum Polska	Exact match	Dojlidy, PolandHQ recorded Oct 12, 2026	1-10	10 contacts →
	Exact match “Qvantum Energy Technology Sp.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Wolf Technika Grzewcza Sp. Z O.O	Exact match	Komorów, PolandHQ recorded Oct 12, 2026	11-50	10 contacts →
	Exact match “WOLF GmbH to niemiecki producent profesjonalnych systemów grzewczych: pomp ciepła, kotłów gazowych i olejowych, systemów wentylacyjnych i klimatyzacyjnych opartych na…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Rakoczy Stal	Exact match	Stalowa Wola, PolandHQ recorded Oct 12, 2026	51-200	9 contacts →
	Exact match “Rakoczy Solidne Ciepło - to jedna z najstarszych marek kotlarskich w Polsce.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Winterwarm Polska	Exact match	Jasin, PolandHQ recorded Oct 12, 2026	11-50	9 contacts →
	Exact match “Winterwarm Polska specjalizuje się w produkcji wysokiej klasy nadmuchowego ogrzewania przemysłowego, opartego o bardzo nowoczesne i zaawansowane technologicznie nagrzewnice gazowe.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Kensol	Exact match	Gliwice, PolandHQ recorded Oct 12, 2026	11-50	9 contacts →
	Exact match “Integrujemy produkowane przez nas urządzenia, abyś mógł w pełni korzystać z Odnawialnych Źródeł Energii.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Kampmann Polska Sp. Z O.O	Exact match	Łęczyca, PolandHQ recorded Oct 12, 2026	1-10	8 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Jaga Polska	Exact match	Warsaw, PolandHQ recorded Oct 12, 2026	11-50	8 contacts →
	Exact match “JAGA ŁAMIE TRADYCYJNE SPOSOBY MYŚLENIA Skupiając się na innowacyjności i kreatywności Jaga stała się wiodącą w Europie fabryką grzejników.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Kaisai	Exact match	Warsaw, PolandHQ recorded Oct 12, 2026	11-50	7 contacts →
	Exact match “KAISAI is a modern solution that takes care of your home comfort all year round.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Unical Polska Sp. Z O.O	Exact match	Łaziska Górne, PolandHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Grupa UNICAL jest liderem w produkcji kotłów oraz urządzeń grzewczych.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	KHT Group	Exact match	Kietrz, PolandHQ recorded Oct 12, 2026	51-200	5 contacts →
	Exact match “Since 1989, as KHT Group, we have been designing and implementing modern solutions for heating and sanitary systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Samurio	Exact match	Swarzędz, PolandHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Idea firmy SAMURIO zakłada tworzenie systemów dla domów, które dzięki nowoczesnym technologiom mogą stać się samowystarczalne, w pełni zautomatyzowane, proste w obsłudze i…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “energy efficient heating manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 176 energy efficient heating manufacturers based in Poland

See the full list, filter by size, metro and specialty, and access 278 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy efficient heating manufacturers based in Poland at a glance

As of Oct 12, 2026

19.7%Verified-email coverage

8.0Average contacts per company

11-50Median size (employees)

9.7%Largest-city concentration · Warsaw

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for Poland, so it is reported there. Company counts and contact totals on this page are exact for Poland, over 176 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Poland whose business descriptions match “energy efficient heating manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 278 professional contacts with verified work emails across the full matched dataset. 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 October 12, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “energy efficient heating manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficient heating manufacturers are there based in Poland?

RevenueBase identified 176 company matches for energy efficient heating manufacturers associated with Poland as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

DEFRO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most energy efficient heating manufacturers?

Warsaw leads with 17 company records, followed by Wroclaw (8) and Krakow (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 278 professional contacts with verified work emails tracked across these 176 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 12, 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 SmartSearch, 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.