4322Plumbing, heat and air-conditioning installation

2,320 companies

This activity has special requirements (e.g. a licence or notice).

Sub-industries

43221Installation, maintenance and repair of heating, ventilation and air conditioning equipment1,100
43222Installation, maintenance and repair of plumbing and sanitary equipment683
43223Construction or installation of masonry stoves, ovens and fireplaces158

Largest companies by revenue

1.Aktsiaselts Magma
10168672, Põhja-Tallinna linnaosa
Revenue 2025
€15.3M
+34%
Net profit
€1.2M
+118%
Employees
45
2.Aktsiaselts COMFORT AE
10170826, Paide linn
Revenue 2025
€13.5M
+2.8%
Net profit
€708.3K
+24%
Employees
49
3.aktsiaselts Pristis
10004826, Lasnamäe linnaosa
Revenue 2025
€13.5M
+6.6%
Net profit
€163.8K
−65%
Employees
123
4.Aktsiaselts Clik
10222262, Assaku alevik
Revenue 2025
€12.4M
−29%
Net profit
€849.2K
−16%
Employees
82
5.City Kliima OÜ
11471205, Lasnamäe linnaosa
Revenue 2025
€9.1M
+4.8%
Net profit
€14.9K
−97%
Employees
27
6.Zehnder Baltics OÜ
11892250, Haabersti linnaosa
Revenue 2025
€8.9M
+39%
Net profit
€265.6K
+170%
Employees
14
7.aktsiaselts HIIEKO
10048539, Lasnamäe linnaosa
Revenue 2025
€7.8M
−2%
Net profit
€440.8K
+1,577%
Employees
47
8.Fresh-Est OÜ
11310436, Kristiine linnaosa
Revenue 2025
€7.5M
+1.4%
Net profit
€372.1K
+41%
Employees
22
9.Osaühing FIRETEK
10642260, Lasnamäe linnaosa
Revenue 2025
€7M
−12%
Net profit
€89.1K
−51%
Employees
50
10.AS SKAT-KESKUS
10611957, Narva linn
Revenue 2025
€6.4M
+83%
Net profit
€650.3K
+64%
Employees
36

#	Company	Reg.	Revenue	Change	Net profit	Change	Employees
1	Aktsiaselts Magma 10168672, Põhja-Tallinna linnaosa	1996	€15,330,416 2025	+34%	€1,230,700	+118%	45 annual average (FTE)
2	Aktsiaselts COMFORT AE 10170826, Paide linn	1997	€13,515,060 2025	+2.8%	€708,250	+24%	49 annual average (FTE)
3	aktsiaselts Pristis 10004826, Lasnamäe linnaosa	1995	€13,485,376 2025	+6.6%	€163,834	−65%	123 at quarter end
4	Aktsiaselts Clik 10222262, Assaku alevik	1997	€12,434,928 2025	−29%	€849,176	−16%	82 annual average (FTE)
5	City Kliima OÜ 11471205, Lasnamäe linnaosa	2008	€9,097,242 2025	+4.8%	€14,906	−97%	27 annual average (FTE)
6	Zehnder Baltics OÜ 11892250, Haabersti linnaosa	2010	€8,910,546 2025	+39%	€265,574	+170%	14 annual average (FTE)
7	aktsiaselts HIIEKO 10048539, Lasnamäe linnaosa	1996	€7,756,284 2025	−2%	€440,807	+1,577%	47 annual average (FTE)
8	Fresh-Est OÜ 11310436, Kristiine linnaosa	2006	€7,469,258 2025	+1.4%	€372,080	+41%	22 annual average (FTE)
9	Osaühing FIRETEK 10642260, Lasnamäe linnaosa	2000	€7,009,124 2025	−12%	€89,062	−51%	50 annual average (FTE)
10	AS SKAT-KESKUS 10611957, Narva linn	1999	€6,359,362 2025	+83%	€650,317	+64%	36 annual average (FTE)

Includes

This class includes the installation, repair and maintenance of plumbing, heating and air-conditioning systems, including additions and alterations. This class includes: - installation, maintenance and repair of: • heating systems (e.g. heat pumps, solar thermal collectors) • furnaces, cooling towers • plumbing and sanitary equipment • ventilation and air-conditioning equipment and ducts • gas fittings • steam piping • sprinkler systems (e.g. fire and lawn sprinkler systems) - construction or installation of masonry heater stoves - ductwork installation This class also includes: - installation of medical gas distribution systems in hospitals

Excludes

installation of electric baseboard heating, see 4321 camera inspections in air ducts, water and gas pipes, and other liquids without repair or installation, see 7120