Company lists · Data refreshed September 2026

Top 25 Geothermal heating installers based in Italy

Name: Geothermal heating installers based in Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 264 companies tracked

RevenueBase identified 264 geothermal heating installers headquartered in Italy as of September 2026 and tracks 1,212 professional contacts across them, including 170 with verified work emails. Roma is the largest hub.

This list covers geothermal heating installers headquartered in Italy, 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 19, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

264Companies

1,212Contacts tracked

170Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest geothermal heating installers based in Italy

Ranked by team size

Top 25 of 264 geothermal heating installers based in Italy, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to geothermal heating installers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Unoenergy Green Solutions SPA	Indirect evidence	Cascina, ItalyHQ checked Sep 19, 2026	201-500	63 contacts →
	Indirect evidence “Unoenergy Green Solutions è una società del Gruppo Unoenergy che opera su tutto il territorio nazionale attraverso la vendita e l’installazione di sistemi per l’efficientamento…” Source: RevenueBase Database · checked Sep 19, 2026
2	Rossato SPA	Partial evidence	Sermoneta, ItalyHQ checked Sep 19, 2026	11-50	39 contacts →
	Partial evidence “For 50 years, we have been designing and manufacturing integrated systems powered by renewable energy sources for energy generation and storage, heating, air conditioning…” Source: RevenueBase Database · checked Sep 19, 2026
3	Greensun SRL	Indirect evidence	Bagnolo In Piano, ItalyHQ checked Sep 19, 2026	11-50	22 contacts →
	Indirect evidence “Greensun srl ha iniziato la sua attivita’ nel 2008, come impresa distributrice di materiali per gli impianti nel settore delle energie rinnovabili e risparmio energetico in…” Source: RevenueBase Database · checked Sep 19, 2026
4	Custom Sales SRL	Indirect evidence	Ivrea, ItalyHQ checked Sep 19, 2026	11-50	17 contacts →
	Indirect evidence “Custom Sales progetta e installa soluzioni avanzate di climatizzazione e riscaldamento, tra cui caldaie di ultima generazione, climatizzatori e pompe di calore, per garantire il…” Source: RevenueBase Database · checked Sep 19, 2026
5	Ennovia S.R.L	Indirect evidence	Treviglio, ItalyHQ checked Sep 19, 2026	11-50	16 contacts →
	Indirect evidence “Siamo la società del Gruppo Veos che ha l'obiettivo di semplificare, mettendo a fattor comune le proprie competenze, i processi di miglioramento e di sviluppo intrapresi dai…” Source: RevenueBase Database · checked Sep 19, 2026
6	Desamo SRL	Indirect evidence	Padova, ItalyHQ checked Sep 19, 2026	11-50	14 contacts →
	Indirect evidence “Desamo azienda nasce nel 2014 a Padova dall’unione di due professionisti del marketing e della green economy.” Source: RevenueBase Database · checked Sep 19, 2026
7	Sarden	Indirect evidence	Selargius, ItalyHQ checked Sep 19, 2026	1-10	13 contacts →
	Indirect evidence “Punto di riferimento in Sardegna, Sarden srl è una società specializzata nel fornire soluzioni per la casa.” Source: RevenueBase Database · checked Sep 19, 2026
8	woltair.it	Indirect evidence	Milan, ItalyHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “Siamo il primo marketplace per soluzioni di energia pulita.” Source: RevenueBase Database · checked Sep 19, 2026
9	Gemini Project S.R.L.	Indirect evidence	Bra, ItalyHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence “Dᴀʟ 1989 ᴄɪ ᴏᴄᴄᴜᴘɪᴀᴍᴏ ᴅɪ ᴇɴᴇʀɢɪᴇ ʀɪɴɴᴏᴠᴀʙɪʟɪ, ᴏᴛᴏᴠᴏʟᴛᴀɪᴄᴏ ᴇ ᴄʟɪᴍᴀᴛɪᴢᴢᴀᴢɪᴏɴᴇ.” Source: RevenueBase Database · checked Sep 19, 2026
10	Copernico Sistemi S.R.L	Indirect evidence	Oleggio, ItalyHQ checked Sep 19, 2026	11-50	11 contacts →
	Indirect evidence “Da oltre 10 anni, progettiamo e realizziamo, soluzioni personalizzate per il Risparmio Energetico in abitazioni ad aziende.” Source: RevenueBase Database · checked Sep 19, 2026
11	Prosapio Patrick Service S.R.L	Indirect evidence	Bologna, ItalyHQ checked Sep 19, 2026	51-200	11 contacts →
	Indirect evidence “Ristrutturazioni chiavi in mano, condizionamento e riscaldamento, energie rinnovabili” Source: RevenueBase Database · checked Sep 19, 2026
12	Stiebel Eltron Italia	Indirect evidence	Brescia, ItalyHQ checked Sep 19, 2026	n/a	10 contacts →
	Indirect evidence “STIEBEL ELTRON è un'azienda leader dei servizi per l'edilizia e delle energie rinnovabili.” Source: RevenueBase Database · checked Sep 19, 2026
13	Sguazza Impianti SRL	Indirect evidence	Lurago Marinone, ItalyHQ checked Sep 19, 2026	1-10	9 contacts →
	Indirect evidence “Sguazza Impianti, forte dell’esperienza decennale del fondatore nel campo della progettazione, installazione e manutenzione di impianti idrico-sanitari, di riscaldamento e di…” Source: RevenueBase Database · checked Sep 19, 2026
14	Pisati Impianti SRL	Indirect evidence	Trezzano Sul Naviglio, ItalyHQ checked Sep 19, 2026	11-50	9 contacts →
	Indirect evidence “La nostra Società opera con successo dal 1970 nel settore degli impianti di riscaldamento e condizionamento civili e industriali, impianti antincendio, impianti idrosanitari ed…” Source: RevenueBase Database · checked Sep 19, 2026
15	Consulenza Energetica SRL	Indirect evidence	Verona, ItalyHQ checked Sep 19, 2026	11-50	9 contacts →
	Indirect evidence “Siamo specializzati in efficienza energetica in grado di realizzare impianti ad alta tecnologia capaci di aumentare il rendimento energetico consentendo una riduzione dei costi di…” Source: RevenueBase Database · checked Sep 19, 2026
16	Cotti Impianti S.R.L	Indirect evidence	Beinasco, ItalyHQ checked Sep 19, 2026	11-50	9 contacts →
	Indirect evidence “L'azienda opera nei seguenti principali ambiti- Risparmio energetico negli edifici del settore civile e terziario (impianti di climatizzazione a pompa di calore ad acqua di…” Source: RevenueBase Database · checked Sep 19, 2026
17	Castelli SRL	Indirect evidence	Treviolo, ItalyHQ checked Sep 19, 2026	11-50	8 contacts →
	Indirect evidence “Perchè scegliere noi?” Source: RevenueBase Database · checked Sep 19, 2026
18	Atena Soluzioni S.R.L	Indirect evidence	Stradella, ItalyHQ checked Sep 19, 2026	11-50	8 contacts →
	Indirect evidence “Atena Soluzioni installatore qualificato Enel Energia per l'efficienza energetica si occupa di energie rinnovabili e di risparmio energetico.” Source: RevenueBase Database · checked Sep 19, 2026
19	Biotech Energia	Indirect evidence	Castagnole Delle Lanze, ItalyHQ checked Sep 19, 2026	11-50	7 contacts →
	Indirect evidence “Siamo un team altamente qualificato e dinamico che ha sposato la filosofia del rispetto dell’ambiente e del risparmio energetico.” Source: RevenueBase Database · checked Sep 19, 2026
20	Emmegi SRL Tecnologie E Servizi	Indirect evidence	Torino, ItalyHQ checked Sep 19, 2026	1-10	6 contacts →
	Indirect evidence “Benvenuto in Emmegi srl!” Source: RevenueBase Database · checked Sep 19, 2026
21	Ecoenergia Futura	Indirect evidence	Lucca, ItalyHQ checked Sep 19, 2026	11-50	5 contacts →
	Indirect evidence “Dal 2006 sviluppiamo sistemi energetici efficienti e sostenibili che si ripagano da soli nel tempo.” Source: RevenueBase Database · checked Sep 19, 2026
22	Fourwinds-The Energy Of The Future	Indirect evidence	Latina, ItalyHQ checked Sep 19, 2026	11-50	5 contacts →
	Indirect evidence “La Fourwinds nasce da oltre 10 anni di esperienza nel campo delle energie rinnovabili come specialista nel settore delle installazioni di sistemi fotovoltaici, pompe di calore…” Source: RevenueBase Database · checked Sep 19, 2026
23	Becoming SRL	Indirect evidence	Rome, ItalyHQ checked Sep 19, 2026	1-10	4 contacts →
	Indirect evidence “Il progetto Becoming parte dall’esperienza acquisita in anni di lavoro nel settore delle energie rinnovabili e sfocia nella volontà di creare un riferimento nel mondo…” Source: RevenueBase Database · checked Sep 19, 2026
24	Cappello Climatermica	Indirect evidence	Venezia, ItalyHQ checked Sep 19, 2026	11-50	4 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
25	Climagea	Indirect evidence	Pomezia, ItalyHQ checked Sep 19, 2026	11-50	3 contacts →
	Indirect evidence “Climagea è un marchio DEK ITALIA SRL che dal 2008 opera nell’innovazione tecnologica per le energie rinnovabili e l’efficienza energetica.” Source: RevenueBase Database · checked Sep 19, 2026

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: geothermal heating installers. 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 geothermal heating installers.
Partial evidence: Its own public description names part of geothermal heating installers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name geothermal heating installers. 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 264 geothermal heating installers based in Italy

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 170 reachable decision-makers.

Free signup · no credit card

View the full list →

Geothermal heating installers based in Italy at a glance

As of Sep 19, 2026

14.0%Verified-email coverage

4.6Average contacts per company

1-10Median size (employees)

4.2%Largest-city concentration · Roma

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

153

11-50

51-200

201-500

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 264 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 geothermal heating installers, 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 Italy whose own description of what they do matches “geothermal heating installers”. 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 geothermal heating installers), 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 geothermal heating installers, and records with no verified work email. Companies headquartered outside Italy 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, 170 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 19, 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.

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 geothermal heating installers, 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 geothermal heating installers are there based in Italy?

RevenueBase identified 264 geothermal heating installers headquartered in Italy 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?

Unoenergy Green Solutions SPA, headquartered in Cascina, tops this list with the largest team on record.

Which city has the most geothermal heating installers?

Roma leads with 11 headquartered companies, followed by Torino (8) and Milano (5).

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 170 verified decision-maker contacts tracked across these 264 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 264 geothermal heating installers based in Italy. Start with a free account, no credit card.

Download this list →

Related lists

Geothermal heating installers by geography

Browse the directory

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.