- Credit score:
- Reliable
- Reputation score:
- 14,990
- Employees:
- 38
- Forecast turnover (2026):
- 18,909,608 €
Water supply and sewage works
We have built outdoor networks both within the boundaries of a private owner's property and on city streets and other public lands. We also offer external network design services.
-
heating
-
heating solutions
-
installation
-
heating systems construction
-
water pipeline installation
-
construction and real estate
-
construction and real estate services
-
building construction firms
-
energy and mineral resources
-
mineral resources and natural resources
-
equipment and machinery
-
general and home services
-
construction
-
construction
-
sewer accessories
-
trackwork
-
logistics
-
internal networks
-
customers
-
sanitation
-
solutions
-
buildings
-
apartment buildings
-
shopping centres
-
private houses
-
office buildings
-
objects
-
hotels
-
public buildings
-
high-quality construction
- Credit score:
- Reliable
- Reputation score:
- 5,460
- Employees:
- 24
- Forecast turnover (2026):
- 4,719,819 €
Comprehensive solutions for technical systems
HEARUM offers energy-efficient and coordinated technical system solutions for buildings. We help bring together heating, ventilation, cooling, water supply and electrical systems.
- Credit score:
- Reliable
- Reputation score:
- 4,960
- Employees:
- 7
- Forecast turnover (2026):
- 4,023,640 €
Pipeline and heating installation
ventilation, bosch climate engineering, City Climate, heating solution, balancing the heating system, ground heat, ground source heat pump, Smart Management, solar heating, underfloor heating
-
sewerage
-
installation
-
excavation work
-
heating system installation
-
easy installation
-
oils
-
installation of radiant floor heating
-
pipeline and heating installation
-
ventilation
-
bosch climate engineering
-
city climate
-
heating solution
-
balancing the heating system
-
ground heat
-
ground source heat pump
-
smart management
-
solar heating
-
underfloor heating
-
the heat center
-
heat pump maintenance
-
thermia
-
air to air heat pump
-
heat pumps
-
air to water heat pump
-
floor pouring
-
question
-
ground source heat pumps
-
radiator heating
-
cooling
-
indoor climate
- Credit score:
- Reliable
- Reputation score:
- 4,200
- Employees:
- 12
- Forecast turnover (2026):
- 1,208,451 €
Warmth and Comfort, Engineered to Last.
We specialize in the design, construction, and maintenance of heating systems, boiler houses, and water supply networks, ensuring efficient energy use and comfort for our clients.
-
heating
-
equipment and machinery
-
water pipeline installation
-
installation of water pipeline
-
water and sewerage
-
energy and mineral resources
-
heating solutions
-
construction
-
construction
-
boiler houses
-
central heating systems
-
thermal equipment
-
boiler house construction
-
ground heating
-
heat node solution
-
sewer
-
water supply
-
diamond drilling
-
heat nodes
-
sewerage
-
eco-friendly ground heating
-
ground source heat pump installation
-
renewable heating
-
sewer construction and maintenance
-
environmentally friendly water solutions
-
industrial water services
-
thermal equipment installation
-
custom machine solutions
-
construction services
-
construction of boiler house
- Credit score:
- Reliable
- Reputation score:
- 3,900
- Employees:
- 7
- Forecast turnover (2026):
- 577,991 €
Installation of sanitary equipment
balancing heating systems, heating solutions, Plumbing and fittings, Water Systems, Washing of heating systems, Construction, Construction, plumbing services, Water floor heating, Replacement of shutters
-
plumbing and fittings
-
sewerage
-
installation
-
heating system installation
-
plumbing
-
pipework and heating systems
-
installation of water floor heating
-
construction and real estate
-
heating solutions
-
water systems
-
general and home services
-
construction
-
construction
-
plumbing services
-
water floor heating
-
replacement of shutters
-
sewer construction
-
washing of heating systems
-
balancing the heating system
-
sanitary equipment installation
-
tube replacement
-
repair and cleaning
-
elimination of blockages
-
heating system construction
-
renovation and maintenance
-
shift of trousers
-
floor
-
renovation
-
sewer system
-
repair
- Credit score:
- Reliable
- Reputation score:
- 3,830
- Employees:
- 21
- Forecast turnover (2026):
- 1,250,443 €
Building Your Future, Constructing Excellence!
We specialize in general construction and repair works, offering comprehensive 'keys to the hands' construction solutions.
-
installation of bulk wool
-
lifting and excavation
-
heating solutions
-
transport and logistics
-
question
-
a
-
installation
-
general construction and repair works
-
keys to the hands of construction
-
transport work
-
lifting work
-
excavation work
-
finishing works
-
indoor building work
-
exterior construction works
-
keys to construction
-
upgrading works
-
insulation solutions
-
project management
-
residential building
-
commercial construction
-
industrial projects
-
renovation and restoration
-
building
-
more information
-
industrial buildings
-
the keys
-
the general contractor
-
island land
-
technique
- Credit score:
- Reliable
- Reputation score:
- 3,680
- Employees:
- 3
- Forecast turnover (2026):
- 511,450 €
Warmth and Comfort, Expertly Delivered!
We provide expert installation, maintenance, and repair services for WOLF devices, ensuring their optimal performance and energy efficiency.
-
wolf product sales and installation
-
heating solutions
-
installation and maintenance
-
sales and installation
-
sale and installation of equipment
-
pipeline and heating installation
-
construction
-
construction
-
energy-saving heating solutions
-
heating systems maintenance
-
climate control maintenance
-
wolf equipment maintenance
-
wolf device installation
-
wolf systems repair services
-
professional equipment servicing
-
solar heating systems integration
-
heating control units
-
gas installation a-category
-
certified gas repair services
-
hvac maintenance and repair
-
cooling systems technician level 3
-
energy efficiency
-
technological development
-
use of renewable energy
-
installation and repair of equipment
-
repair
-
maintenance
-
installation
-
regular checks
-
set up efficiency
- Credit score:
- Reliable
- Reputation score:
- 3,510
- Employees:
- 6
- Forecast turnover (2026):
- 1,166,451 €
Installation of air conditioning systems
Industrial ventilation, Construction, Construction, fire-barrier mixture, fire protection silicone, Diamond Drilling, air-to-air heat pumps, air conditioning units, ventilation of large kitchens, ventilation of commercial and industrial buildings
-
repair and maintenance of air heating and cooling
-
construction and maintenance of air heating and cooling
-
installation
-
question
-
heating and cooling
-
plumbing
-
air heating
-
construction and real estate
-
construction
-
construction
-
fire-barrier mixture
-
fire protection silicone
-
diamond drilling
-
air-to-air heat pumps
-
air conditioning units
-
ventilation of large kitchens
-
ventilation of commercial and industrial buildings
-
ventilation of office and warehouse buildings
-
ventilation of private houses
-
exhaust site extraction
-
construction and maintenance of ventilation
-
fire protection works
-
installation of fire-retardant seal
-
passages
-
fire-barrier partitions and floors
-
plumbing and cables
-
fire protection windows
-
maintenance
-
repair
-
commercial and industrial ventilation
- Credit score:
- Reliable
- Reputation score:
- 3,500
- Employees:
- 14
- Forecast turnover (2026):
- 1,279,636 €
Construction of wells
wells, Construction, Construction, hydrogeological works, drilling wells, ground heating wells, cleaning wells, water and sanitation solutions, registration and liquidation of wells, water and sewerage works
-
construction and real estate
-
ground heating wells
-
sewer line installation
-
installation of cleaners and containers
-
sewerage
-
installation
-
ground heating
-
construction
-
construction
-
hydrogeological works
-
drilling wells
-
cleaning wells
-
water and sanitation solutions
-
registration and liquidation of wells
-
water and sewerage works
-
drafting
-
formalisation of documentation
-
drilling
-
analysis of water samples
-
design
-
measurements of performance
-
water systems installation
-
establishment of infiltration pitches
-
drilling wells
-
drilling well
-
depth
-
sanitation
-
construction of wells
-
frequently asked questions
-
documentation
- Credit score:
- Reliable
- Reputation score:
- 3,340
- Employees:
- 6
- Forecast turnover (2026):
- 1,022,216 €
Energizing Progress, Constructing Reliability.
We specialize in the construction and maintenance of gas and heating systems, utilizing certified welding processes and offering expert insulation services for a variety of equipment and pipelines.
-
district heating pipelines
-
construction of gas and heating systems
-
district heating pipelines
-
water pipeline installation
-
pipeline and heating installation
-
construction and real estate
-
building and finishing materials
-
energy
-
energy and mineral resources
-
construction and maintenance of energy systems
-
heating solutions
-
fuels
-
mineral resources and natural resources
-
mineral resources and raw materials
-
equipment and machinery
-
construction
-
construction
-
gas works
-
pressure equipment works
-
construction of heating systems
-
steam piping
-
warmth nodes
-
water supply pipelines
-
boiler houses
-
gas systems
-
sound insulation of equipment
-
pressure pipelines
-
process pipelines
-
natural gas and liquefied gas installations
-
gas trails of plastic and steel
- Credit score:
- Borderline
- Reputation score:
- 3,200
- Employees:
- 4
- Forecast turnover (2026):
- 332,551 €
Pipeline and heating installation
Installation of heating piping, Installation of water supply line, Installation of tanks and septic tanks, Dishwasher installation, Boiler Installation, Radiator Installation, Installation of air-water heat pumps, San Technical Works, Waterworks works, Sewer pipe replacement
-
installation of heating piping
-
installation of piping, heating and air conditioning systems
-
installation and repair of heating equipment
-
heating equipment installation
-
pipeline and heating installation
-
installation of water supply line
-
installation of tanks and septic tanks
-
dishwasher installation
-
boiler installation
-
radiator installation
-
installation of air-water heat pumps
-
san technical works
-
waterworks works
-
sewer pipe replacement
-
water pipe replacement
-
private house construction
-
building and renovation
-
sewerage pipelines installation
-
climate control installations
-
heating solutions
-
installation of tanks
-
installation of hot water boilers
-
warm-up work
-
water supply and sewerage
-
plumbing services
-
installation of boilers
-
general construction
-
electrical works
-
construction preparation
-
air conditioner installation
- Credit score:
- Reliable
- Reputation score:
- 3,190
- Employees:
- 1
- Forecast turnover (2026):
- 332,960 €
Construction of sewer lines
renewal of sewer pipes, energy and mineral resources, heating solutions, Construction, energy production, energy supply, energy sources, energy law, energy policy, design of heating systems
-
construction and real estate
-
energy and mineral resources
-
installation of heating pipes
-
installation of pipes
-
leak tracking and maintenance
-
installation of pipelines
-
heating solutions
-
construction
-
energy production
-
energy supply
-
energy sources
-
energy law
-
energy policy
-
design of heating systems
-
construction of heating systems
-
heating systems maintenance
-
repair of heating systems
-
modernisation of heating systems
-
heating pipe assembly
-
heating of heating pipes
-
repair of heating pipes
-
water temperature control of heating pipes
-
construction of sewerage pipes
-
installation of sewerage pipes
-
repair of sewage pipes
-
upgrading of sewerage pipes
-
construction of sewerage lines
-
waterways
-
gas trails
-
construction of pumping stations
- Credit score:
- Reliable
- Reputation score:
- 3,160
- Employees:
- 5
- Forecast turnover (2026):
- 987,289 €
Pipeline and heating installation
Service, Construction, Construction, cooling and air conditioning systems, heat pumps, air conditioning systems, climate control maintenance, climate control equipment sale, climate control installations, air conditioning units, ground source heat pumps
-
heating systems
-
installation and repair
-
installation and maintenance
-
design and installation
-
pipeline and heating installation
-
construction and real estate
-
construction
-
construction
-
cooling and air conditioning systems, heat pumps
-
air conditioning systems
-
climate control maintenance
-
climate control equipment sale
-
climate control installations
-
air conditioning units
-
ground source heat pumps
-
sale and installation of ground heat pumps
-
ventilation equipment sales
-
installation of ventilation equipment
-
repair of ventilation equipment
-
ventilation work
-
air to water heat pumps
-
air-to-air heat pumps
-
air heating systems
-
air source heat pumps
-
sale and consultation of recombinant pumps
-
service and care of software papers
-
protection and care of ventilation-systems
-
precision and care of question systems
-
cleaning of ventilation
-
protection of characteristics
- Credit score:
- Reliable
- Reputation score:
- 3,120
- Employees:
- 2
- Forecast turnover (2026):
- 665,203 €
Warmth Reimagined, Energy Conserved!
We specialize in the design and manufacture of advanced air conditioning and renewable heating systems, providing energy efficiency consultancy and building reconstruction services.
-
renewable heating
-
renewable heating solutions
-
renewable heating
-
renovation
-
pipeline and heating installation
-
design
-
manufacture of air conditioners
-
energy efficiency consultancy services
-
reconstruction of apartment buildings
-
technological ventilation systems
-
innovative heatcatcher
-
energy efficiency consulting
-
apartment building reconstruction
-
passive cooling system
-
ventilation heat recovery
-
radiator system with intermediate heat carrier
-
energy-efficient ventilation
-
manual control ventilation valve
-
heatline ventilation
-
heatway system
-
vg-system ventilation
-
airflow control technology
-
solar energy panels
-
manufacture of air conditioners
-
energy efficiency consulting services
-
reconstruction of apartment buildings
-
building
-
special works
-
energy conservation
-
maintenance
- Credit score:
- Reliable
- Reputation score:
- 3,040
- Employees:
- 4
- Forecast turnover (2026):
- 1,056,714 €
Construction of sewer lines
plumbing installation, water infrastructure installation, plumbing maintenance services, custom plumbing solutions, advanced pipework systems, installation of heating system, installation of sewage systems, system maintenance, installation of equipment, repair of leaks
-
plumbing installation
-
full solutions for water and duct systems
-
heating system installation
-
pipeline installation services
-
installation of heating system
-
plumbing installation
-
full solutions for water and air systems
-
santehnical works
-
pipework
-
duct system installations
-
industrial pipework services
-
residential plumbing services
-
professional santehnical works
-
water system full solutions
-
pipework specialists
-
commercial plumbing solutions
-
plumbing system design
-
water infrastructure installation
-
plumbing maintenance services
-
custom plumbing solutions
-
advanced pipework systems
-
installation of sewage systems
-
sanitary works
-
repair of leaks
-
installation of equipment
-
system maintenance
-
emergency services
-
construction of sewer lines
- Credit score:
- Borderline
- Reputation score:
- 3,030
- Employees:
- 2
- Forecast turnover (2026):
- 185,485 €
Construction of sewer lines
Construction, Construction, Solutions, sanitation, new developments, excavation work, Multilift, heating solutions, Construction of roads, construction of sewer trails
-
installation of water pipelines
-
installation of sewer and water pumps
-
repair and maintenance of pipelines
-
preparation and installation of routes
-
installation of central heating and underfloor heating
-
floor heating installation
-
construction
-
construction
-
solutions
-
sanitation
-
new developments
-
excavation work
-
multilift
-
heating solutions
-
construction of roads
-
construction of sewer trails
-
construction of water and sewer lines
-
sanitary work
-
excavation
-
design of routes
-
complete solutions for private homes
-
new development solutions
-
heating solutions
-
tipper services
-
installation of sewage systems
-
eradication of blockages
-
soil work
-
sanitation services
-
multilift and tipper services
-
construction of water and sanitation lines
- Credit score:
- Reliable
- Reputation score:
- 2,990
- Employees:
- 9
- Forecast turnover (2026):
- 1,054,416 €
Pipeline and heating installation
septic systems installation, energy and mineral resources, central heating systems, heating, heating solutions, Equipment and machinery, Construction, Construction, climate control installations, Repair of heating systems
-
construction and real estate
-
equipment and machinery
-
tubes
-
installation
-
sewerage
-
water and sewerage
-
septic systems installation
-
pipeline and heating installation
-
energy and mineral resources
-
central heating systems
-
heating
-
heating solutions
-
construction
-
construction
-
climate control installations
-
repair of heating systems
-
ground source heat pumps
-
underfloor heating
-
radiant floor heating systems
-
radiator heating
-
air to water heat pumps
-
heating system
-
maintenance
-
radiant floor heating
-
heating solution
-
economical
-
repair
-
tartu
-
heat pumps
-
tallinn
- Credit score:
- Neutral
- Reputation score:
- 2,970
- Employees:
- 7
- Forecast turnover (2026):
- 1,040,466 €
Warmth for Today, Sustainability for Tomorrow!
We specialize in offering high-quality air-to-water and geothermal heat pumps.
-
air source heat pumps
-
heating solutions
-
heat pump installation
-
heating systems
-
planning
-
central heating
-
pipeline and heating installation
-
air water heat pump
-
heat pumps
-
geothermal pumps
-
heat pump maintenance
-
air to water heat pumps
-
ground source heat pumps
-
inverter heat pumps
-
climate solutions
-
energy efficient heating
-
lhv financing options
-
alpha innotec heat pumps
-
daikin altherma heat pumps
-
cop efficiency rating
-
residential heat pumps
-
low temperature operation heat pumps
-
green technology
-
energy efficient options
-
air to water heat pump
-
heat pump
-
air water heat pumps
-
climate control equipment
-
insulation work
-
maintenance
- Credit score:
- Reliable
- Reputation score:
- 2,920
- Employees:
- 5
- Forecast turnover (2026):
- 305,014 €
Installation of sanitary equipment
replacement of mixers, pipeline upgrades, pipeline repair work, repair of water leaks, crane, toilet pots and repair of flushing systems, regular maintenance of sanitary equipment, control and maintenance, maintenance of water softening systems, installation of kitchen furnishings
-
pipework maintenance
-
plumbing and heating
-
sanitary installation
-
bathroom installation work
-
pipeline upgrades
-
pipeline repair work
-
professional pipework services
-
general home services
-
residential plumbing services
-
repair and maintenance
-
pipework
-
sanitary equipment
-
performance of internal work
-
installation of kitchen furnishings
-
repair of water leaks
-
crane
-
toilet pots and repair of flushing systems
-
replacement of mixers
-
cleaning and maintenance of pipes
-
regular maintenance of sanitary equipment
-
maintenance of water softening systems
-
control and maintenance
-
installation of sanitary equipment
- Credit score:
- Borderline
- Reputation score:
- 2,860
- Employees:
- 13
- Forecast turnover (2026):
- 1,578,722 €
A&O HOLDING AVALEHT | A&O Holding
Construction, Construction, heating solutions, administrative service, data security, Maintenance service, emergency repair, sanitary technical works, bucket and excavation work, cleaning service
-
heating solutions
-
elimination of sewerage blockages
-
fast and high-quality installation
-
sewerage and household water installation work
-
installation of septic tanks and tanks
-
installation of tanks and septic tanks
-
construction
-
construction
-
administrative service
-
data security
-
maintenance service
-
emergency repair
-
sanitary technical works
-
bucket and excavation work
-
cleaning service
-
repair service
-
security service
-
energy management
-
accounting
-
technosystem emergency repairs
-
milling work for in-house ducts
-
detection of leaks in various pipelines
-
elimination of blockages
-
milling works for ducts
-
detection of pipe leaks
-
radiators
-
air to water heat pumps
-
septics and tanks
-
consulting service
-
design of the apartment