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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesOberentfeldenRoman Böni GmbH
Roman Böni GmbH Logo
Verified· 3 sources

Roman Böni GmbH

Summary

About the company

Roman Böni GmbH provides planning and specialist engineering services for building services, covering heating, ventilation, climate/cooling, sanitary systems and sewerage, together with coordination. Services also include energy consulting, building renovation and technical construction management.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered8
Heating
Heating systems for new-build and renovation projects; feasibility studies, preliminary studies of possible heat generators, variant comparisons, project planning, detailed design and specialist site supervision.
Plumbing
Sanitary installations for new-build and renovation projects; hygienic planning, drinking water and wastewater, pressure boosting, treatment, feasibility studies, detailed design and specialist site supervision.
Ventilation
Ventilation systems for residential, office and industrial buildings; concepts, selection and implementation, controlled residential ventilation, smoke and heat extraction, operational optimisation and specialist site supervision.
Air conditioning & refrigeration
Air conditioning and refrigeration systems for new builds and renovations; large-scale air-conditioning systems, individual climate control and split units, refrigeration distribution networks, heat recovery, operational optimisation and specialist site supervision.
Sewerage
Property drainage and sewerage planning; preliminary clarifications with municipalities, submission and execution plans, sizing, infiltration and retention systems.
Coordination
Coordination of construction projects between clients, planners and tradespeople; specialist coordination across building services, including interfaces with building electronics.
Energy consulting
Energy statements and energy consulting for new builds, extensions and renovations; system and individual component verification according to SIA 380/1, Minergie calculations, execution checks and municipal reviews.
Building renovation
Building renovations from preliminary study to handover; renovation concepts, cost estimates, preliminary and construction projects, tendering, detailed design, specialist site supervision and documentation.
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Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.99
★TrustpilotSoon
PProvenExpertSoon

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Location

Aarauerstrasse 20
5036 Oberentfelden
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.427.972
Founded
2005 · 21 years
Last commercial register change
August 7, 2023
Employees
11 to 20

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