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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringRoot D4Plantec HLKS GmbH
Plantec HLKS GmbH Logo
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Plantec HLKS GmbH

Summary

About the company

The core activity of Plantec HLKS GmbH is the planning and technical management of building technology systems, particularly in the areas of heating, ventilation, air conditioning and sanitation, as well as energy consulting for new construction and renovation projects.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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Construction & Project Management
✓ Offered10
Building services engineering design
Building services engineering design for heating, ventilation, air conditioning, sanitary and electrical systems; consulting, planning and implementation for new builds and renovations, including specialist construction-site management and HLKSE coordination.
Specialist construction-site management
Specialist construction-site management for HLKSE projects, including coordination of trades, scheduling coordination, acceptance inspections according to SIA, and support during execution, commissioning and completion.
Energy consulting
Energy consulting for new builds and conversions with analysis of energy consumption, building services and building envelope; advice on efficiency, replacing heat generation, subsidies and renewable energies.
Minergie certification
Minergie certification for buildings with Minergie Standard, Minergie-P, Minergie-A, ECO, MQS Bau, airtightness concept and building services concept.
Energy performance documents according to SIA 380/1
Energy performance documents according to SIA 380/1, including system documentation, component-by-component documentation, U-value calculation, thermal bridges, official EN forms, and building plans with components.
GEAK+
GEAK+ energy certificate with energetic building analysis, comparison of options, thermal properties, energy and maintenance costs, investment costs and energy-efficiency class.
Impact consulting «erneuerbar heizen»
Free impact consulting for replacing heating systems in single- and multi-family houses up to six residential units; heating system comparison, subsidies, checklist and cost-effectiveness assessment.
Subsidy consulting and administration
Consulting on subsidies for renovations as well as application and administration of cantonal funding contributions, in particular for thermal insulation, heat pumps, wood-fired heating systems, district heating and solar thermal collectors.
Energy planning
Energy planning for the building envelope and building services, including strategic planning, investment costs, tender submission, scheduling coordination and support during execution.
Specialist planning
Specialist planning for central vacuum systems, thermal solar systems, photovoltaic systems and fire protection specialist design.
Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle4.516
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Platz 3
6039 Root D4
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
08:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-195.452.915
Founded
2021 · 5 years
Last commercial register change
December 15, 2025
Employees
1 to 10

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