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Ranking50 chainsVentilation contractorUpdated November 9, 2026

Ventilation contractors: the largest chains in Switzerland

The largest chains in the “Ventilation contractor” category in Switzerland by number of active locations in the category. In total 1,361 ventilation contractors, 18% of them belong to chains; number one is Equans with 12 locations (1% of the category). The ranking lists all 50 chains with two or more locations in the category.

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50 chains in the ranking·Switzerland · Ventilation contractor·Chain — two or more active locations in the category
1–50 of 50
RankChainLocationsCantonsMarket shareAddresses
01
EquansAargau, Zurich and others
12 8
0.9%
02
SchecoZurich, Bern and others
8 7
0.6%
03 4 4
0.3%
04
MS
Maintair SATicino, Valais and others
4 4
0.3%
05
CGC Energie SAZurich, Basel-Stadt and others
4 4
0.3%
06
Bouygues E&S InTecAargau, Grisons
3 2
0.2%
07
LA
3 1
0.2%
08
CL
ClimagelVaud, Neuchâtel and others
3 3
0.2%
09
HälgBern, St. Gallen
2 2
0.1%
10
ElcothermZurich, Vaud
2 2
0.1%
11
ZengaffinenZurich, Thurgau
2 2
0.1%
12 2 1
0.1%
13
AL
AlvazziVaud, Neuchâtel
2 2
0.1%
14
ZERO-CValais, Geneva
2 2
0.1%
15
TCASolothurn, St. Gallen
2 2
0.1%
16
ED
2 2
0.1%
17 2 1
0.1%
18
TR
TraneZurich, Ticino
2 2
0.1%
19
TS
Thermosan SABern, Jura
2 2
0.1%
20 2 1
0.1%
21
AN
AnottaBern
2 1
0.1%
22
EC
Erard ChauffageVaud, Neuchâtel
2 2
0.1%
23
MI
MinoVaud, Geneva
2 2
0.1%
24
CA
CaloritecVaud, Neuchâtel
2 2
0.1%
25
BE
begetecSchwyz, St. Gallen
2 2
0.1%
26
HS
2 1
0.1%
27
MF
2 2
0.1%
28 2 1
0.1%
29 2 1
0.1%
30
PS
2 1
0.1%
31
AA
Ammann AGSt. Gallen
2 1
0.1%
32
AK
Aebli Kaminfeger AGAppenzell Ausserrhoden, St. Gallen
2 2
0.1%
33 2 1
0.1%
34
AA
Aspa AGBasel-Stadt, Basel-Landschaft
2 2
0.1%
35
SG
SerMonTec GmbHNidwalden, Zug
2 2
0.1%
36
RH
2 2
0.1%
37 2 1
0.1%
38
AEKSolothurn, Aargau
2 2
0.1%
39 2 1
0.1%
40 2 1
0.1%
41
GDclimatValais
2 1
0.1%
42 2 1
0.1%
43
KL
klimagBern
2 1
0.1%
44
EH
2 2
0.1%
45 2 1
0.1%
46
GS
Gex SAVaud, Geneva
2 2
0.1%
47 2 1
0.1%
48
KZ
2 2
0.1%
49
gisiger madörin agBasel-Stadt, Basel-Landschaft
2 2
0.1%
50
SB
Solea BautrocknenZug, Basel-Stadt
2 2
0.1%
Share — of all ventilation contractors in Switzerland; under the chain — the cantons with most of its locations in the category1,361 in the category
Chains and independent companies
In chains246 · 18%
Independent1,115 · 82%

The five largest chains account for 2.4% of all ventilation contractors in Switzerland.

The database
Ventilation contractors in one file

1,361 ventilation contractors — chains and independents — with phone, website, opening hours and chain.

How we count

Rank — by number of active locations of the chain in the “Ventilation contractor” category in all of Switzerland; share — of all ventilation contractors. A chain has at least two locations; the chain affiliation comes from the source. Closed locations are not counted.

Chain rankings of other categories

Categories with a high share of chains; number — chains in the ranking.

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