Energy consulting in
Winterthur

28 companies in Energy consulting based in Winterthur — name and year of registration from the commercial register. The list below shows them all.

Companies

All 28 companies in Winterthur

3-Plan AG Logo

3-Plan AG

Since 1993 · 51–100 empl.4.5(27)

3-Plan AG is an engineering and consulting firm focused on building services and energy for the built environment. It delivers project development, technical building services planning (electrical, heating, ventilation, cooling, sanitary), specialist coordination, BIM/VDC services, prefabrication (Planer Plus), and support for operation and project management.

Building services engineerBuilding Services EngineeringTechnical CoordinationEnergy and Power Systems
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
Wärmetec GmbH Logo

Wärmetec GmbH

Since 2014 · 1–10 empl.4.8(24)

Wärmetec GmbH provides heating and plumbing services. Its work includes planning, installing, maintaining and repairing heating systems and heat pumps, as well as plumbing installations and bathroom renovations.

Heating installerHeating system renovationsHeat pumpsPlumbing
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
Denkgebäude AG Logo

Denkgebäude AG

Since 2013 · 21–50 empl.5.0(5)

Denkgebäude AG provides consulting and planning services for real estate. Its work covers sustainability and building life cycles, energy and ecology, building services and infrastructure, and construction project management.

Building services engineerSustainability & Life CycleEnergy & EcologyBuilding Services & Infrastructure
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #3
PUK GmbH Logo

PUK GmbH

Since 1999 · 1–10 empl.

PUK GmbH is an electrical engineering consultancy offering electrical planning and energy consulting. Its work includes planning power and low-voltage systems and building automation, as well as advising on renewable energy, energy management and energy efficiency.

Electrical design engineerElectrical designEnergy consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
InstaControl AG Logo

InstaControl AG

Since 2004 · 1–10 empl.

InstaControl AG is an independent inspection company for electrical installations. Its services include periodic, independent and acceptance inspections, safety testing of electrical equipment, advice on energy efficiency and power quality, and training courses.

Testing and inspection bodyElectrical inspectionsAcceptance and quality inspectionsDevice testing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
PF Architektur GmbH Logo

PF Architektur GmbH

Since 2004 · 1–10 empl.

PF Architektur GmbH plans, builds and renovates single-family homes, apartment buildings, public buildings and commercial properties. Its services include client-side construction advisory and advice on energy-efficient building, energy-related renovations and Minergie standards.

ArchitectArchitectural planningBuilding owner advisoryEnergy consulting and energy-efficient renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Mäder Bauphysik GmbH Ingenieurbüro für Bauphysik+Akustik Logo

Mäder Bauphysik GmbH Ingenieurbüro für Bauphysik+Akustik

Since 2007 · 1–10 empl.

Mäder Bauphysik GmbH Ingenieurbüro für Bauphysik+Akustik is an engineering firm specialising in building physics and acoustics. Its services include consulting, expert assessments and measurements relating to sound insulation, noise, thermal and moisture protection, and energy efficiency.

EngineerBuilding PhysicsAcousticsEnergy Consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
BWS Bauphysik AG Logo

BWS Bauphysik AG

Since 2008 · 11–20 empl.

BWS Bauphysik AG provides building physics and energy consulting for new construction and renovation projects. Its services include thermal, moisture and sound insulation, energy efficiency, room acoustics and noise protection, as well as assessments of moisture problems and mould in buildings.

EngineerBuilding physics consultingThermal insulation and protection against summer heatEnergy efficiency and sustainable construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
abp Architekten GmbH Logo

abp Architekten GmbH

Since 2011 · 1–10 empl.

abp Architekten GmbH provides architectural services, from feasibility and project development to execution and detailed planning. Its services also include construction supervision, construction and cost management, general planning, client consulting, energy advice and Minergie certifications.

ArchitectArchitectural servicesConstruction supervisionProject management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
sinndrin genossenschaft Logo

sinndrin genossenschaft

Since 2013 · 11–20 empl.

sinndrin genossenschaft is a platform for members to pursue independent projects through a cooperative structure. It handles administrative tasks such as bookkeeping and invoicing and provides members with shared infrastructure.

Administrative servicesPlatform for independent project workCoaching, mediation and couples counsellingEnergy consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Waibel Architektin GmbH Logo

Waibel Architektin GmbH

Since 2019 · 1–10 empl.

Waibel Architektin GmbH is an architecture practice focused on planning and managing projects involving existing buildings. Its work includes conversions, changes of use and energy renovations, as well as circular construction, energy advice and services in building biology, building ecology and solar architecture.

ArchitectArchitectural services for conversions, renovations and change of useCircular buildingEnergy consulting and energy certificates
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #11
RMB Engineering AG - Niederlassung Winterthur Logo

RMB Engineering AG - Niederlassung Winterthur

Since 2024 · 11–20 empl.

RMB Engineering AG - Niederlassung Winterthur is an engineering company specialising in building technology and energy systems. Its services include integrated planning for heating, ventilation, air conditioning, cooling, plumbing and electrical systems, as well as energy consulting and facility management.

Building services engineerHVACR & building servicesBuilding automationEnergy solutions and site development
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #12
Artischock.eco GmbH Logo

Artischock.eco GmbH

Since 2021 · 1–10 empl.

Artischock.eco GmbH provides construction, project and sustainability management for buildings and property. Its services include condition assessments, renovation and property strategies, client advisory and representation, as well as sustainability strategies, energy monitoring and advice for the real estate sector.

Owner's representationAdvisory and representation for buildings, real estate and ownersSustainability consulting for real-estate portfolios
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #13
mühlebach partner ag Logo

mühlebach partner ag

Since 2008 · 21–50 empl.4.5(2)

mühlebach partner ag is a consulting engineering firm working in acoustics, noise protection, building physics and building technology. Its services also cover energy and sustainability, fire safety planning and consulting, and fire safety quality assurance.

Fire protectionAcoustics + Noise ProtectionBuilding Physics + Building TechnologyEnergy + Sustainability
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #14
Märki Energie und Technik Logo

Märki Energie und Technik

Since 2019 · 1–10 empl.

Märki Energie und Technik develops, advises on and delivers projects involving renewable energy, energy efficiency and control systems. Its activities include autonomous energy supplies, solar and wind energy, and technical installations for exhibition objects.

Energy consultingConsultingPlanningImplementation
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #15
M. Pletscher GmbH Logo

M. Pletscher GmbH

Since 2014 · 1–10 empl.5.0(1)

M. Pletscher GmbH is a building-services engineering firm specialising in ventilation, air conditioning and refrigeration. It plans and supports HVAC projects, including condition assessments, energy and refurbishment consulting, and construction supervision.

Building services engineerHVAC system planningEnergy and refurbishment consultingTender and approval documents
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #16
Masciali Engineering GmbH Logo

Masciali Engineering GmbH

Since 2021 · 1–10 empl.5.0(1)

Masciali Engineering GmbH plans building services systems for renovations and new builds, including heating, ventilation, sanitary and drainage systems. Its services also include bathroom design, BIM and CAD planning, energy consulting, GEAK reports, heating-system replacement and operational optimisation.

Building services engineerBuilding services planning (HVAC&S)Energy consultingBathroom renovation / bathroom design
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #17
Soundtherm AG Logo

Soundtherm AG

Since 2025 · 1–10 empl.

Soundtherm AG is a consulting engineering firm specialising in building physics, acoustics and energy. Its services include building and room acoustics measurements, technical assessments, energy and sound insulation documentation, and advice on building assemblies, thermal bridges and noise propagation.

EngineerMeasurementsExpert reportsVerification documents
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #18
WINTEC Engineering AG Logo

WINTEC Engineering AG

Since 2018 · 1–10 empl.5.0(1)

WINTEC Engineering AG is a building-services engineering and planning firm offering consulting, energy advice, and planning and implementation for heating, ventilation, air conditioning, cooling, and sanitary systems. It also provides project management and coordination for new builds, conversions, and renovations.

Building services engineerBuilding services engineering designEnergy consultingPlanning and implementation
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #19
Thervia AG Logo

Thervia AG

Since 2025 · 1–10 empl.

Thervia AG provides consulting and services for improving energy performance and reducing emissions in property portfolios. Its work includes real-time energy monitoring, heating-system optimisation and support for replacing heating systems with renewable solutions, from planning through operation.

Building services engineerPortfolio AnalysisReal-Time Consumption MeasurementOperational Optimisation
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #20
Simreal GmbH Logo

Simreal GmbH

Since 2026 · 1–10 empl.

Simreal GmbH manages apartment buildings, commercial properties and mixed-use properties. Its services include financial, technical and administrative management, including leasing, tenant support, property maintenance and coordination of renovation projects.

ArchitectProperty ManagementSustainability and Energy ConsultingArchitecture and Project Development
ranQ Trust Score 3.5 out of 5.0, rated Solid, Rank #21
CT

Convergence Trading & Consulting GmbH

Since 2002 · 1–10 empl.

Energy consulting
No score yet
EH

EtaEnergie Herzog

Since 2022 · 1–10 empl.

Energy consulting
No score yet
SS

SC+P Sieber, Cassina + Partner AG

Since 2023 · 1–10 empl.

Civil engineer
No score yet
BG

BeXda GmbH

Since 2024 · 1–10 empl.

Construction manager
No score yet
EG

e-futura GmbH

Since 2024 · 1–10 empl.

Energy consulting
No score yet
FH

Ferraro Haustechnik Assistance

Since 2024 · 1–10 empl.

Energy consulting
No score yet
AB

Amstutz Beratungen GmbH

Since 2026 · 1–10 empl.

Energy consulting
No score yet

Energy consulting in Winterthur

28Energy consultingCommercial register (Zefix) · as of November 15, 2026
2019Median year of registrationCommercial register (Zefix) · as of November 15, 2026
289in the Canton of ZurichCommercial register (Zefix) · as of November 15, 2026
2,206in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Energy consulting in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026