March 18 2024

autarc GmbH introduces innovative LiDAR scan and AR simulation for modern heating planning.

Berlin, March 31, 2025 – autarc, provider of innovative software solutions for heating and energy planning, is expanding its collaboration with the Stiebel Eltron Group: Following the successful integration into the tecalor Toolbox, autarc’s software is now also being embedded into the Stiebel Eltron Toolbox. This partnership enables installers and planners to benefit from a seamless connection and creates a unified platform for more efficient heating system planning.According to Thies Hansen, co-founder and COO of autarc, the integration of the software into Stiebel Eltron’s Toolbox represents another step toward a digital and resource-efficient heating industry.

“Our customers benefit from an optimized workflow, as they no longer need to use multiple tools in parallel, avoid redundant data entry, and save time in the planning process,” says Hansen.
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Optimized planning across multiple countries
The new integration allows direct synchronization of projects, so that all relevant data from both tools is merged. Trade professionals gain access to autarc’s intelligent planning tools, including 3D simulations, heating load calculations, and hydraulic balancing. At the same time, they can continue using proven Stiebel Eltron features such as heat pump planning, sound level calculations, and material lists.“Through our partnership with autarc, we’re offering our customers a practical and powerful solution that makes their daily work easier,” says Marcus Haferkamp, Managing Director of Stiebel Eltron. “Digital heating planning becomes simpler, faster, and more efficient.”
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Integration available now
The toolbox integration is available starting today. More information on using and connecting the two tools can be found in autarc’s help articles:
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🔗 What is the Toolbox and how is it connected to autarc?
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🔗 How to connect autarc to the Toolbox.


About autarc
Founded in 2023, autarc GmbH is developing a SaaS platform for digital heating system planning. The software combines intelligent calculations, modern technologies such as AI and LiDAR scans, and practical functions for the HVAC trade. By integrating with existing tools, autarc simplifies the transition to fossil-free heating and supports professionals with hydraulic balancing, heating load calculations, and efficient system design.

März 12 2025

Revolution in Heating System Planning: autarc Launches Automatic Radiator Detection

Berlin, March 12, 2025 – autarc GmbH is setting new standards in heating system planning: With its innovative radiator detection via LiDAR scan, the time-consuming manual measurement of radiators becomes a thing of the past. This technology enables automatic detection of radiator dimensions and integrates them directly into heating load calculations and hydraulic balancing. autarc is the first company to bring this technology to market—setting a new industry benchmark.
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Gamechanger for Installers and Energy Consultants
Until now, heating installers and energy consultants had to painstakingly measure and document each radiator by hand. autarc's new feature eliminates this step entirely. A single scan is enough to automatically capture the radiator’s length, width, and depth—even if partially obstructed. The captured data flows directly into the system calculations, increasing accuracy and efficiency.

Automatic Detection Powered by LiDAR
The radiator detection feature is based on advanced LiDAR technology, enabling precise 3D scans. Installers simply open the app, point the camera at the radiator, and wait a few seconds—the system detects and measures it automatically. This allows heating system projects to be completed faster and more efficiently.
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Product Launch at ISH Frankfurt 2025
‍‍‍autarc will unveil its new radiator detection feature for the first time at ISH Frankfurt on March 17, 2025. As the leading trade fair for water, heating, and air, ISH provides the ideal platform to introduce this innovation to the industry. All Premium and Enterprise customers will receive the feature free of charge for six months after launch. If you can't attend ISH, you can activate the add-on yourself in just a few clicks:
Go to Settings → Subscriptions → Add-Ons and enable the radiator detection feature.
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Maximum Time Savings and Planning Precision
Thanks to this new feature, professionals save valuable time and avoid measurement errors. This not only simplifies daily work but also boosts efficiency in heating system retrofits.“With this innovation, we’re providing a solution that delivers real value to installers and energy consultants. Radiator detection makes planning faster, more precise, and more intuitive,”
says Etienne Krause, Founder and CEO of autarc.

Scan – Plan – Done: Try It Now
The new radiator detection feature will be available starting March 17, 2025. Interested professionals can try the technology firsthand and benefit from its advantages. Premium and Enterprise users can access it for free for six months. More information is available at:
🔗 www.autarc.energy/products/radiator-detection

About autarc
With smart tools and intelligent technology, autarc simplifies the daily work of professionals, drives the digitalization of building technology, and accelerates the energy transition.

Founded in 2023, autarc aims to empower installers to integrate more sustainable energy solutions efficiently and economically into buildings.

Today, over 800 customers already use autarc's software solutions to optimize the planning and implementation of heating systems. With a team of around 25 employees, autarc continues to develop innovative features that help skilled trades streamline processes, save time, and unlock their full potential.

Januar 28 2025

autarc and tecalor Announce Partnership: New Software Integration Simplifies Heating System Planning

Berlin, January 28, 2025 – autarc GmbH, provider of innovative software solutions for heating and energy system planning, is pleased to announce a new partnership with heat pump manufacturer tecalor. Thanks to the integration of autarc’s software into the tecalor Toolbox, customers can now link both tools and synchronize their projects. This collaboration sets a new standard in digital heating planning and offers significant benefits for installers and planners alike.
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Optimized Workflows and Maximum Efficiency for the Skilled Trades
By connecting the two software tools, customers benefit from a seamless integration that allows them to use the strengths of both systems simultaneously. Synchronization between autarc and the tecalor Toolbox eliminates the need for duplicate data entry. Users can now take advantage of autarc’s powerful features such as 3D simulation, hydraulic balancing, and heating load calculation in combination with tecalor’s proven planning tools, including the heat pump configurator, sound calculator, and materials list. This not only saves valuable time through automated processes but also optimizes day-to-day workflows—freeing up capacity for additional projects.
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A Partnership That Delivers Value
‍“Integrating our software into the tecalor Toolbox is a major milestone,”
says Etienne-Noel Krause, Founder and CEO of autarc.
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“This partnership makes a valuable contribution to the advancement of the digital heating industry and creates real value for installers and planners seeking efficient and sustainable solutions. We are especially proud that the idea for this integration came from our existing customers, who already use both tools successfully and wanted a connection to streamline their processes.” tecalor also highlights the significance of this collaboration:“With the integration of autarc’s software into our Toolbox, we are creating a future-oriented platform that combines the best of both worlds,”
says Julian Höner, Managing Director of tecalor.
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“Our customers benefit from a practical and comprehensive solution that offers the best possible support in overcoming the bureaucratic challenges of the energy transition.”
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A Step Toward the Future of Heating Planning
‍‍‍For autarc, the partnership with tecalor marks another key step toward fully digitalizing heating system planning. The shared goal of making installers' work easier and improving planning efficiency is sustainably advanced by this cooperation. The new integration is now available to customers of both autarc and tecalor. More information on the partnership and integration options can be found in the autarc Help Center or on the tecalor website.
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‍About autarc
Founded in 2023, autarc GmbH is developing an operating system (OS) for heating installers to accelerate the transition to fossil-free heating in Europe. The SaaS solution is designed specifically for trade businesses and provides user-friendly support for heating system planning. Core features include heating load calculation and hydraulic balancing, complemented by modern technologies like artificial intelligence and LiDAR scanning to make daily work for installers more efficient.
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About tecalor
tecalor is a system provider of sustainable home technology. Founded in 2001 and based in Holzminden, Lower Saxony, the company specializes in heat pump and ventilation technologies. As one of the few companies in the industry, tecalor operates via a two-tier sales model. With a clear focus on heat pump and ventilation systems, tecalor makes a substantial contribution to the energy transition in single-family homes, multi-family residences, and commercial buildings. With the tecalor Toolbox, the company offers digital tools that make heating system planning easier and more efficient for installers and planners.

März 18 2024

autarc GmbH Introduces Innovative LiDAR Scanning and AR Simulation for Modern Heating System Planning4o

Berlin, March 18, 2024 – autarc Unveils Floor-Scanning and AR Heat Pump Simulation to Revolutionize Building Analysis and System PlanningIn a major step forward for the analysis of existing buildings and the planning of heating systems, Berlin-based energy startup autarc is presenting its latest innovations. Building on the LiDAR scanner released six months ago—designed for calculating room-level heating loads and performing hydraulic balancing—autarc is now launching floor-level scanning as well as an AR simulation for heat pumps.The new technologies aim to significantly improve the planning and installation process for heat pump systems through visualizations, while simplifying day-to-day work for skilled tradespeople, energy consultants, and planners.
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‍More Precise Building Analysis with LiDAR Technology
autarc’s LiDAR scanner enables users to capture precise room geometries and building structures. Already in use for several months, the tool has helped scan over 10,000 single-family homes in Germany to date. At this year’s SHK+E trade fair in Essen (March 19–22), autarc is introducing new features: the ability to scan entire floors, view floorplans, and automatically generate 2D layouts. The expansion to detect roof slopes via scan further highlights autarc’s commitment to continuous innovation in the heating industry.

Interactive AR Simulation Brings Heat Pumps to Life
Among other features, the new AR simulation allows for simplified visualization and planning of heat pump installations. This is especially useful for end customers who want to see what a system would look like in their real environment. Once the installer has calculated the building's heating load, they can select a suitable heat pump from a range of models and place it directly into the 3D model. This creates an interactive and realistic experience, making it easier for homeowners to understand the proposal. Installers and advisors can also capture photos of the simulation—making their proposals more visually compelling and easier for end users to grasp.
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‍Time Savings and Maximum Usability
One of the main goals behind these technologies is to save time and make the user experience as smooth as possible. Compared to traditional energy consulting software, autarc customers already save over 20 hours per project. Thanks to its intuitive design, even less experienced users can confidently perform tasks such as:
- Heating load calculations according to DIN 12831
- Hydraulic balancing (Procedure B)
- Heat pump sizing according to VDI 4645

From room-by-room heat load and full system planning to subsidy applications, autarc software supports users through the entire heating planning process

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‍About autarc
Founded in 2023, autarc is building an operating system (OS) for heating installers to accelerate the transition to fossil-free heating in Europe. The company’s SaaS solution is designed to guide both new and established heating contractors in adopting heat pump technology. As a true partner to the skilled trades, autarc combines features like heating load calculation, hydraulic balancing, and system sizing with cutting-edge technologies such as artificial intelligence, LiDAR scanning, and AR simulation.The startup has already raised multi-million euro funding from leading investors, including the founder of Lieferando and PropTech1 Ventures.

December 11 2023

Berlin-based energy startup autarc receives millions in financing from PT1, better ventures and Lieferando founder Kai Hansen to enable heating engineers to install one million heat pumps by 2030

Berlin, 11.12.2023. The energy startup autarc has successfully completed its pre-seed financing and raised a single-digit million sum. In addition to better ventures and lead investor PT1 - PropTech1 Ventures, investors include many other well-known business angels such as C1 founder Christian Vollmann, Lieferando founder Kai Hansen, GridX founders David Balensiefen and Andreas Booke, RealXData founder Titus Albrecht, ZenHomes founder Jannes Fischer and Reachbird founder Philipp Martin. autarc wants to decarbonize the building with its planning software Speed up the sector, install one million heat pumps by 2030 and expand its team and reach in Europe.

‍Heating systems in Europe are currently facing a double challenge: On the one hand, they are significant sources of CO2 emissions, and on the other hand, there is a lack of sufficiently qualified craftsmen to promptly change this situation. This is exactly where autarc comes in and sees a great opportunity for people and the environment: The software enables heating engineers to work more efficiently and productively. The start-up thus makes it easier to switch from traditional oil and gas heating systems to modern heat pumps, thus promoting sustainable energy sources and supporting the development of new businesses in this area.

‍The vision: Planning one million heat pumps by 2030
‍“Our vision is ambitious but clearly defined: By 2030, we want to use our software to plan over one million plants and thus become a key player in accelerated decarbonization. We are convinced that this approach not only significantly reduces environmental impact, but also raises energy efficiency to a new level,” explains Etienne-Noel Krause, co-founder and CEO of autarc.

‍autarc revolutionizes heating market by halving planning time with the help of artificial intelligence and LiDAR scanners
‍The autarc software simplifies the planning process and installation of heat pumps and enables time savings of up to 50 percent. Installers currently need three to four times more time to make an initial offer for heat pump installations than for gas or oil heating systems. They also need 30 times more data to plan a heat pump system efficiently and legally compliant, and spend almost half of their valuable working time on administrative tasks. With features such as LiDAR scanners and artificial intelligence, the startup is shortening the calculations for installations.

“The heat supply in Europe will be completely decarbonized over the next two decades. In this context, the optimization of installation companies is an extremely important lever for rapid and large-scale conversion to sustainable systems. The team has already generated impressive traction in this context and we are looking forward to working with them to address this profoundly important challenge of the energy transition,” says Fabian König, investment manager of lead investor PT1 - PropTech1 Ventures.

‍Sales of up to 29 billion euros in the heat pump market are possible by 2030
‍“autarc plays a key role in accelerating the rollout of heat pumps, particularly in view of 59 percent growth in 2022 and the expected market potential of 29 billion euros by 2030 in Germany. With an operating system for everyone that offers clear installation steps and rapid data collection, is DIN-compliant and includes a customer portal to increase the efficiency of all parties involved, the autarc team combines technical expertise and market understanding to develop effective and user-friendly solutions. We are proud to support autarc in this growing market,” says Tina Dreimann, founder and managing director of better ventures.

The Berlin-based startup autarc was founded in January 2023 by Etienne-Noel Krause and Thies Hansen. Krause (CEO) brings extensive expertise from his part-time studies in heating engineering, while Hansen (COO) draws on extensive experience in operations, finance and tech from his time at Trade Republic, Partech and Hamburg Süd. Together with autarc, they are pursuing the mission of accelerating the transition to climate-neutral apartments and houses by setting up the leading heat pump operating system for HVAC installers. The business model is based on a SaaS subscription for installers.

‍About autarc
‍Founded in 2023, the startup autarc is developing an operating system (OS) for heating manufacturers to accelerate the transition to fossil-free heating in Europe. The autarc SaaS solution offers user-guided software to help new and old heating companies switch to the heat pump. As a partner of the trade sector, autarc offers users further simplifications through artificial intelligence or LiDAR scanners in addition to heating load, hydraulic balancing and sizing.

‍About PT1 - PropTech1 Ventures
‍PT1 - PropTech1 Ventures invests in and promotes Futurebuilders: innovative entrepreneurs from across Europe who are facing the major challenges of our time caused by the increasing scarcity of natural resources, affordable housing and qualified workers. PT1 is an independent early-stage venture capital platform that supports these future builders in their mission to implement transformative real estate technologies while generating double returns for both their investors and society.

‍About Better Ventures
‍better ventures is an angel club for impact-driven startups, which was initiated by Tina Dreimann, Cedric Duvinage and Christoph Behn. More than 70 successful entrepreneurs have already joined forces in the Angel Club to use capital, network and know-how to support ambitious founders in sustainably improving the world with their business models. The vision: to build a European ecosystem for sustainable investments that helps founders improve the world.