Air conditioning in
Langenthal

ASAG Air System AG

Since 1996 · 1–10 empl.·5.0(10)

ASAG Air System AG is a specialist provider of ventilation, air-conditioning and refrigeration systems, as well as energy technology. Its services include consulting, planning and installation of air-conditioning systems, along with maintenance and servicing of ventilation, refrigeration and air-conditioning systems.

Hesab AG

Since 1994 · 11–20 empl.·5.0(9)

Hesab AG provides building services and heating technology. Its activities include consulting, planning, installation, maintenance and repair of heating and cooling systems, ventilation systems and renewable energy installations.

Lang Heizungen AG

Since 2016 · 1–10 empl.

Lang Heizungen AG advises on, plans, installs and maintains heating and cooling systems for new and renovated buildings, refurbishments and repairs. Its systems include heat pumps, wood-fired heating, solar installations, oil and gas heating, and cooling solutions.

Level 14 AG

Since 2014 · 11–20 empl.·5.0(1)

Level 14 AG plans and installs residential ventilation systems, supporting projects from the planning stage through implementation. Its services also include hygiene inspections, maintenance and servicing of ventilation systems.

b:air AG

Since 2025 · 1–10 empl.

b:air AG plans and installs ventilation and air-conditioning systems for residential, office, commercial and industrial buildings. Its services also include maintenance, repairs and system optimisation, as well as work in energy technology.

Rs4you Schuster

Since 2025 · 1–10 empl.