Duschl Engineers

What Duschl Engineers does

Duschl Ingenieure (Duschl Engineers) is a family-owned German engineering consultancy founded in 1971 and headquartered in Rosenheim, Bavaria. The firm specializes in technical building equipment (Technische Gebäudeausrüstung, TGA) planning, offering comprehensive HLS-ELT services covering heating, ventilation, sanitation, and electrical systems for commercial, healthcare, educational, industrial, hospitality, and residential projects. Notable technical capabilities include manufacturer-independent planning for large-scale heat pump systems (Großwärmepumpen), Building Information Modeling (BIM) methodology, energy concept consulting, due diligence assessments, energetic inspections, and economic feasibility studies.

The company operates a multi-subsidiary structure including Ingplan Technik GmbH (core operating subsidiary), Duschl Ingenieure Rhein-Main GmbH & Co. KG (regional entity for the Rhein-Main region), Duschl Ingenieure Verwaltung GmbH (holding entity), and Duschl Ingenieure Project GmbH & Co. KG (project management). It maintains offices in Rosenheim, Chemnitz, Gießen, Hamburg, and Friedberg. The firm is led by managing directors Gerhard Duschl and Andreas Duschl, with 51-100 employees.

Duschl Ingenieure generates revenue through project-based professional services fees for engineering consulting and technical planning. The go-to-market is direct B2B enterprise field sales, with personal client engagement from concept through handover. The firm is self-financed, with no external institutional investors or venture capital involvement identified. Marketing channels include LinkedIn, Instagram, Facebook, Xing, Kununu, the company website, and a proprietary lecture series (Vortragsreihe).

Name

Duschl Engineers

Legal name

Duschl Ingenieure GmbH & Co. KG Beratende Ingenieure für Technische Ausrüstung + Energietechnik

Website

https://duschl.de

Company type

Private

Founded year

1971

Operating status

Operating

Headcount range

51–100 employees

Short description

Duschl Ingenieure is a family-owned German engineering consultancy founded in 1971, specializing in technical building equipment (HLS-ELT) planning for commercial, healthcare, educational, and residential projects across multiple regional offices in Germany.

Ownership category

akta.pro rank

Product category

Building Services Engineering Consulting

NAICS

Engineering Services (54133), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711)

akta.pro industry

PRIMARYBPAHAIAI

Systems Engineering & Technical Program Management

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Engineering & Technical Consulting

SECONDARYEUAEAFAJ

Building Management & Facility Control Systems (BMS/BAS, Power Monitoring, EPMS)

Energy, Utilities & Environment/Energy Infrastructure & Services (EPC, O&M, Field Services)/Mechanical, Electrical & Plumbing (MEP) for Energy Facilities

SECONDARYIMAIABAI

Energy Services (Retrofits/Commissioning/Testing & Balancing)

Industrials, Manufacturing & Construction/Industrial Services & Facility Operations/Building Maintenance & Repair (MEP/HVAC/Plumbing/Electrical)

Keywords

• Technical building equipment
• Engineering consulting services
• HVAC system planning
• Building automation design
• Energy consulting services

Headquarters

HQ city

Rosenheim

HQ country

Germany

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Engineering Consulting Services: Fees for technical planning services in building equipment (HLS-ELT), energy concepts, and consulting. Revenue generated through project-based professional services for technical building equipment (TGA) and Energy Solutions.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Duschl Ingenieure is a German consulting engineering firm that plans technical building equipment (TGA – Technische Gebäudeausrüstung) for commercial, healthcare, educational, industrial, and residential building projects. Its core offering is the integrated HLS-ELT service package covering heating, ventilation, sanitary, and electrical systems, delivered manufacturer-independently from concept through project handover with a single point of contact to reduce coordination interfaces. The firm complements this core planning service with specialty disciplines including large heat pump systems, building automation, conveyor technology, energy concept consulting, due diligence, energetic inspections, and economic feasibility studies.

Product overview

Duschl Ingenieure is an engineering and planning consultancy for technical building equipment (TGA - Technische Gebäudeausrüstung). The core offering is the comprehensive HLS-ELT service package covering heating, ventilation, sanitation, and electrical technology. The company specializes in large-scale heat pump systems planned in a manufacturer-independent manner. Additional specialty services include building automation, conveyor technology, energy concept consulting, due diligence, energetic inspections, and economic feasibility calculations. The portfolio spans diverse building types including offices, educational facilities, healthcare, data centers, residential, industrial, cultural buildings, and international projects. The company emphasizes holistic planning, BIM methodology, and sustainable energy solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• HLS – ELT Planning Services (Heating, Ventilation, Sanitary, Electrical)

Quantifiable outcome

• Complete technical building equipment from a single source with reduced interfaces

Named customers1 record

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• AWADO Rechtsanwaltsgesellschaft mbHcoreImplementation/ SI/ Consulting PartnerCollaboration with AWADO Rechtsanwaltsgesellschaft mbH for the whistleblower system 'Hinweisgebersystem 360'. The law firm provides trust lawyers who handle reports confidentially and in accordance with legal requirements. Customers, employees, and third parties can submit reports through this system either named or anonymously.

Scale indicators1 record

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Drees & Sommer: Stuttgart-headquartered engineering, project management and real-estate consultancy with significant TGA/MEP practice. Broader and larger scale than Duschl but overlapping capability set.
• Arup: Global engineering consultancy with German offices covering building services and sustainable design. Competes for premium sustainable-design mandates that intersect with Duschl's heat pump and energy work.
• Tractebel (ENGIE): Belgium-headquartered engineering consultancy with German operations across energy and buildings. Competes for large energy-and-buildings framework mandates where Duschl also bids.
• Sweco: European engineering consultancy with German operations delivering building services and infrastructure design. Larger scale incumbent pursuing the same MEP planning mandates.
• ATP Architekten Ingenieure: Austrian architecture and engineering group with German offices, providing integrated design including building services. Competes for similar large-scale German commercial and public-sector projects.
• Ramboll Group: Denmark-based global engineering consultancy with significant German presence in buildings and MEP design. Competes for the upper end of the same addressable market Duschl serves in Germany.

Direct peers

• GA-tec Gebäude- und Anlagentechnik GmbH: Heidelberg-based MEP and building services engineering firm; directly overlaps Duschl on TGA planning, energy concepts, and building automation services.
• Ingenieurgruppe IVV: German engineering consultancy with strong building services and infrastructure planning practice. Comparable in size and integrated HLS-ELT-style delivery model.
• HPP Architekten Ingenieure: Düsseldorf architecture and engineering firm integrating MEP-equivalent planning into holistic building delivery. Comparable integrated-services model and project types.
• ZWP Ingenieur-AG: Cologne-based MEP/TGA engineering consultancy delivering HLS-ELT planning across commercial, healthcare, and residential building types — direct overlap with Duschl's core services and customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/DuschlIngenieure
• LinkedInlinkedin.com/signup/cold-join?session_redirect=https%3A%2F%2Fwww%2Elinkedin%2Ecom%2Fsearch%2Fresults%2Fall%2F%3FfetchDeterministicClustersOnly%3Dtrue%26heroEntityKey%3Durn%253Ali%253Aorganization%253A6164340%26keywords%3Dduschl%2520ingenieure%26origin%3DRICH_QUERY_SUGGESTION%26position%3D0%26searchId%3D609efcad-fea4-4df9-89ea-b7b5aa32a692%26sid%3Dytq%26spellCorrectionEnabled%3Dfalse&trk=login_reg_redirect
• Instagraminstagram.com/duschlingenieure

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Duschl Engineers