As sustainable energy solutions become increasingly important, more installation companies are adopting software solutions to streamline workflows and improve project outcomes.
These tools offer valuable support for project management, planning, and day-to-day operations, making businesses more efficient. With so many options available, however, selecting the right software for your business can be challenging. To help make the decision easier, we’ve researched the top 5 software solutions available in Germany for sustainable installers. This includes insights on features, pricing, and key benefits to help you find the best fit for your needs.
Valentin Software the planning and simulation software for photovoltaic, solar thermal and heat pump systems
What are the core features of the software solution Valentin Software?
PV*SOL: Photovoltaic system design and simulation (2D)
PV*SOL provides the ability to design and simulate all types of PV (photovoltaic) installations in 2D. This software enables you to:
- Create and design PV systems
- Calculate customer self-consumption
- Access an extensive product database
- Incorporate current feed- in tariffs for calculating economic efficiency
PV*SOL Premium: 3D PV planning and shading analysis
This software offers the same design and simulation capabilities as PV*SOL, but with additional features, including the ability to create 3D designs for PV installations. This software allows you to:
- Create and design PV systems
- Calculate customer self-consumption
- Access an extensive product database
- Incorporate current feed-in tariffs for calculating economic efficiency
- Utilize 3D visualization to calculate shading
- Generate high-quality project reports that can be edited
- Create circuit diagrams with necessary safety devices
T*SOL: Solar thermal system simulation and performance analysis
This software is a dynamic tool for the design, optimization, and calculation of solar thermal systems. Its key features include:
- Graphical representation of simulation results for better visualization
- Simulation of solar yield and the coverage of domestic hot water and heating
- Comprehensive databases of solar collectors
- Access to global climate data for accurate assessment
- Parameter variation for fine-tuning system designs
- Variant comparison to evaluate different configurations
- Configurable project reports for tailored documentation
- In-depth profitability analysis to assess financial viability
GeoT*SOL: Heat pump system design and simulation
Geo T*SOL is a software tool designed for the design and simulation of heat pump systems. Key features include:
- Choice between different heat sources for flexible system configurations
- Precise heat pump simulation with accurate forecasts, including integration of additional heat generators and PV system
- Comprehensive databases of heat pumps, collectors, boilers and storage tanks
- Dynamic, configurable diagrams for visualizing system performance
- In-depth profitability analysis to evaluate financial feasibility
- Configurable project reports for tailored documentation
What is the pricing of the software solution Valentin Software?
Valentin Software uses a license-based pricing model, where each software product is purchased separately. The prices listed below include six months of software updates, which provide access to the latest software improvements and database updates during this period. After the included update period, optional maintenance fees apply if continued updates are required. This structure allows users to choose only the specific tools relevant to their planning needs.
PV*SOL
PV*SOL Premium
T*SOL
GeoT*SOL
€895,00 incl. 6 months of software updates
€595,00 incl. 6 months of software updates
€233,10 Maintenance*
* The products of Valentin Software require software maintenance every once in a while with additional costs.
OpusFlow the all-in-one ERP software for solar and sustainable installation companies
OpusFlow offers a comprehensive all-in-one ERP solution tailored for sustainable installers, covering sectors such as solar energy, wind farms, heat pumps, air conditioning, climate control and general installation companies. As OpusFlow begins to expand its footprint in the German market, it brings with it a strong reputation and proven success from its solid market share in the Netherlands. Additionally OpusFlow is also available in Belgium, and Spain, showcasing its adaptability across different regions. With a focus on serving small businesses, mid-sized companies, and large enterprises, Opusflow stands out as a versatile and innovative choice for installation needs, poised to make a significant impact in Germany.
What are the core features of the software solution OpusFlow?
OpusFlow provides a comprehensive all-in-one ERP solution for sustainable installers, which includes solar, wind farms, heat-pumps, air-conditions, climate control and general installation companies. OpusFlow has a growing market presence in The Netherlands, who serves small businesses, mid-size businesses and large enterprises.
CRM: Lead and customer relationship management
OpusFlow’s CRM module offers powerful capabilities that enable you to:
- Centralize contacts: Keep all your contacts in one place for easier management and access
- Automated follow-up system: Utilize automated sales, templates and task management to create more sales opportunities
- Automatic lead integration: Automatically import leads generated from your website or lead generation tools into your CRM, ensuring seamless tracking and management
Calculation and Quotation: Cost calculation and quote generation
OpusFlow simplifies the calculation and quotation process, enabling you to create accurate and professional quotes quickly. Key features include:
- Automated Bill of Materials: OpusFlow automatically includes the bill of materials in your quotes for streamlined calculations
Purchasing and Inventory: Procurement and stock management
Manage magazines as well as digitally save all of your articles within the platform.
- Keep track of inventory: Always have an an overview of running, expected and reserved stock at all times
- Manage purchases: the module helps prepare multiple purchase orders from different suppliers.
- Stock scheduling includes notifications and reservation capabilities, ensuring sufficient inventory for upcoming tasks.
Forms: Digital forms and on-site data capture
Create any kind of form your team needs. It provides:
- Conditional logic for digital forms, allowing subsequent questions to change dynamically based on the answers provided by the user
- Custom forms: create a unique template for each project, easily add photos or assign locations to your form
Workflow Automation: Process automation and task management
This module supports the automating of recurring operational tasks to reduce manual effort and improve workflow consistency across the platform.
- Automation of routine actions such as sending emails, creating tickets and capturing leads in the CRM
- Automatic task creation based on defined triggers and events
- Updating project or ticket statuses based on specific actions or workflow steps
- Central overview of automated and open tasks across projects
Customer Portal: Customer communication and document access
Interact with your clients, via the customer portal, providing access to project updates, documents and relevant information.
- Customers can view quotes and documents in the customer portal and accept or sign quotations digitally. Any response or signature is reflected immediately in your environment, ensuring up-to-date visibility
- E-signature: customers are able to digitally sign quotations as well, which helps to streamline the approval process
Invoicing: Billing and financial processing
Quickly and simply create and send invoices using this module, which includes:
- OpusFlow offers standardized integrations with Exact Globe and Exact Online, as well as e-invoicing connections (e.g. Peppol). Additional accounting systems can be integrated individually via the open API or through middleware solutions.
- Custom invoices: to showcase your company's identity, branding, and in-house designs
- Send out customer invoices in minutes and gain insight about your financial data
Planning: Scheduling and resource allocation
Efficiently arrange installations, inspections, and appointments, with the following planning features:
- Smart planning: Learn which installation teams are most suitable based on availability and lower travel distance, and the optimum times to schedule your work
- Integration: integrate your calendars from Office365 and G Suite and notifications can be sent to the installer and customer
Project Management: Task tracking and project coordination
With the project management tool every task, document, and conversation is in one location.
- Kanban boards offer a visual overview of projects and their statuses, with drag-and-drop updates for easy status changes
- Everything in one overview: by tracking projects, assigning tasks, and creating tickets for employees, it streamlines project management, making it faster and more efficient
Solar Design and Proposal: Solar installation plan and proposal creation
This feature enables the creation of a solar installation plan including a full bill of materials.
- System design using cadastral data and high-resolution satellite imagery
- Shadow analysis to assess shading impacts on system performance
- Automatic calculations supporting system sizing and material planning
- Generation of quotations that can be reviewed and edited before being sent to customers
What is the Pricing of the software solution OpusFlow?
Pice paid annually
Price paid monthly
€99/per month, per user
Reonic the software for 3D PV planning, quotation and project execution
What are the core features of the software solution Reonic?
Lead Management: Lead capture and qualification
This feature area focuses on the initial handling and qualification of incoming leads:
- Lead import via integrations, CSV upload or API
- Checklists for lead qualification
PV Designer: 2D and 3D photovoltaic system planning
A central component of Reonic is its PV Designer, which places a strong focus on 3D-based planning of photovoltaic systems.
- Roof and string planning, including inverter sizing and automatically generated circuit diagrams
- PV planning with roof areas and restricted zones using high-resolution aerial images or customer photos
- 3D planning based on 3D models, satellite images or orthophotos
- 3D model creation from drone photos and integration into planning (photogrammetry workflow described in Reonic resources)
If you want to better understand the different approaches to solar design software and which criteria installers typically consider when selecting a planning tool, you can find a more detailed overview in our blog on how to choose solar design software.
Quotes & Digital Signature: Quote creation and digital signing
This section covers the creation, presentation and signing of sales quotations.
- Quote creation as PDF or with digital signature
- Quotes can include parts lists, datasheets, profitability calculations and energy simulations
- Quote presentation via customer-facing online view for signing
Calendar, Email and Customer History: Communication and scheduling
These features support appointment coordination and basic customer communication.
- Appointment and email management
- Integrations for Microsoft and Google Workspace
- Email history per customer
Tasks, Checklists and File Handling: Task and document management
- Notes, tasks and checklists
- File and image management for planning
- Project reports and documentation generation
What is the pricing of the software solution of Reonic?
HERO is the ERP software for craft and installation businesses with project and order management
What are the core features of the software solution Hero Software?
Hero Software provides a suite of tools focused on operational and administrative workflows for installation and craft businesses. The platform integrates with the Hero app, enabling task management, document handling and mobile field operations.
For photovoltaic system design and quotation, Hero relies on an integration with the external software SolarMonkey, allowing solar installers to combine operational workflows with dedicated solar planning and proposal tools.
Your craft: Order Management and invoicing
This feature area covers day-to-day order processing and billing activities for installation and service businesses.
- Order management including invoicing
- Cloud-based access to projects and data
- Templates for quotes, invoices and documents
- Customisation of the interface to match corporate branding
- Digital measurement capture
Your office: Accounting and Document Management
- Invoice and receipt management
- Digital signatures via mobile devices
- Document management with search functionality
- Interfaces to reduce manual data transfer
Your team: Workforce and Resource Management
- Employee, absence and time management
- Task managements
- Job site and resource planning for staff, vehicles and equipment
- Service and maintenance coordination
Working on the go: Mobile App and Field operations
- Mobile access to projects and orders
- Mobile time tracking
- Construction documentation with photo uploads
What is the pricing of the software solution HERO?
Recommended package
Enterprise
Price per month
On Request
Additional package: HERO Prime for €29. Secure a package of benefits inside and outside of the software and receive exclusive telephone support and much more.
Autarc the software for energy planning, heat pump and pv system design
Autarc is a Berlin-based software provider that supports installers and energy consultants in planning, designing, and documenting sustainable energy systems, including heat pumps, photovoltaic installations, storage solutions, and charging infrastructure. Founded with the goal of simplifying the energy transition, Autarc integrates modern technology such as LiDAR scanning and automated system calculations to streamline workflows and reduce manual planning time.
What are the core features of the software solution autarc?
Autarc offers a range of tools designed to support installation and planning companies throughout their entire workflow. Below is an overview of the key features Autarc provides:
LiDAR Building Capture: Digital building data acquisition
- Create precise 3D models of buildings
- Automatically generate room-by-room heat load calculations
- Reduce manual measurement efforts significantly
Heat Pump System Design: System sizing and hydraulic balancing
- Automated hydraulic balancing
- Radiator and heating circuit analysis
- System simulations for improved accuracy and efficiency
PV and Storage Planning: Photovoltaic and battery system design
- Create PV layouts with roof geometry recognition
- Assess shading and calculate system performance
- Simulate combined PV and battery storage setups
Workflow and Project Management: Project coordination and documentation
- Centralised project management
- Customer documentation and digital records
- Mobile field app for on-site data capture and project handling
What is the pricing of the software solution autarc?
Autarc offers several subscription packages tailored to different business needs. The pricing varies depending on the chosen plan and is based on annual billing. Below is an overview of the available packages and their included features.
Pice per month
Description
Core package €39
Basic package €99
Premium package €199
Conclusion
In summary, while each software solution offers valuable capabilities, long-term efficiency comes from how well tools work together across your entire operation. Choosing the right system means aligning planning, sales, execution, and administration with your business goals, processes, and budget.
OpusFlow is designed specifically for solar and sustainable installation companies that want to replace disconnected tools with one integrated platform. By combining CRM, automated quoting, purchasing and inventory, project management, invoicing, and built-in solar design, OpusFlow helps reduce administrative overhead, improve execution quality, and support scalable growth.
If you’d like to see how an all-in-one ERP can simplify your daily operations and support long-term success, you can book a demo to explore OpusFlow in action and evaluate whether it fits your requirements.
One Platform to Run Your Entire Installation Business
Manage leads, projects, stock, and invoicing — everything in one smart system built for sustainable installers.
