Energy consulting in
Frauenfeld

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

Companies

All 8 companies in Frauenfeld

Schäfli & Dieterich AG Logo

Schäfli & Dieterich AG

Since 2016 · 1–10 empl.4.5(30)

Schäfli & Dieterich AG plans and installs building-services systems for plumbing, heating and energy. Its services include bathroom and heating renovations, energy consulting, sustainable energy systems, and maintenance and repair.

Heating installerSanitary installationsHeating installationsEnergy consulting and energy systems
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Hans Keller Energietechnik AG Logo

Hans Keller Energietechnik AG

Since 2000 · 11–20 empl.

Hans Keller Energietechnik AG provides heating, plumbing, ventilation and energy-system services. Its activities include planning, installation, maintenance, repairs and modernisation of systems, as well as energy consultations.

Heating installerHeatingSanitary installationsVentilation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
novus engineering gmbh Logo

novus engineering gmbh

Since 2011 · 11–20 empl.4.8(4)

novus engineering gmbh is an engineering consultancy for energy, environmental and building services. It plans heating, ventilation, air conditioning, refrigeration and plumbing systems, and prepares energy certificates as well as GEAK and Minergie assessments. Its services also include energy advice and operational optimisation.

Building services engineerBuilding services designVerifications and energy performance certificatesEnergy consulting
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #3
Meier Architektur Logo

Meier Architektur

Since 2011 · 1–10 empl.5.0(3)

Meier Architektur is an architecture practice providing architectural planning and construction management. Its services include renovations, conversions, extensions and new builds, as well as energy advice and building energy certificates (GEAK).

ArchitectArchitectureConstruction ManagementEnergy Consulting
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #4
Enumplan Ingenieurbüro GmbH Logo

Enumplan Ingenieurbüro GmbH

Since 1999 · 1–10 empl.3.7(3)

Enumplan Ingenieurbüro GmbH is a planning consultancy specialising in energy performance certificates, including certificates for Minergie standards. Its services also include GEAK building energy assessments, advice on the Buildings Programme, noise reports, building services planning and private energy inspections.

Building services engineerEnergy technical assessmentsGEAKBuilding Programme
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #5
PLANSTUDIO SCHWEIZ GmbH Logo

PLANSTUDIO SCHWEIZ GmbH

Since 2017 · 1–10 empl.

PLANSTUDIO SCHWEIZ GmbH provides architectural services for new buildings, renovations and extensions. Its work includes design, project studies, energy consultancy, energy-efficient construction, detailed planning, construction management, client support, tendering and construction cost control.

ArchitectArchitectural servicesEnergy consulting and energy-efficient buildingClient project support
No score yet
EA

Euronergy AG

Since 2014 · 1–10 empl.

Energy consulting
No score yet
SE

Swiss Energy & Water Developers AG

Since 2014 · 1–10 empl.

Energy consulting
No score yet

Energy consulting in Frauenfeld

8Energy consultingCommercial register (Zefix) · as of November 15, 2026
2014Median year of registrationCommercial register (Zefix) · as of November 15, 2026
76in the Canton of ThurgauCommercial 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