T*SOL

T*SOL

Valentin Software
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About

Solispec is a browser-based solar design and proposal tool for installers, PV designers, homeowners, distributors and mounting manufacturers. It combines site planning, structural checks and customer proposals. Users can model ground-mounted arrays and flat or pitched roofs, assess mounting structures for snow and wind loads, configure PV strings across MPPT inputs, and generate drawings, cutting lists and bills of materials. The software estimates PV generation and payback, shows tree and building shade in 3D, and creates branded proposals with multiple options, PDF export and a shareable acceptance link. Users can select manufacturer equipment or add their own products and prices. Homeowners can prepare preliminary plans, while professionals can manage projects and clients; Business adds team roles and engineer-review workflows. Structural outputs should be reviewed by a qualified professional before installation.

About

T*SOL is the simulation program with which you can calculate the yield of a thermal solar system. No matter whether for domestic water heating, heating support, swimming pools or process heat, with T*SOL you can optimally design your planned solar thermal system, dimension storage and collector arrays (also east / west roofs) and determine the economic efficiency. At the start of the design process, you have a large selection of all relevant systems for domestic hot water heating and heating support, as well as for swimming pools and process heat. During the design, you will be supported with dimensioning suggestions and can use a parameter variation to find the optimal combination, e.g. of storage size and collector area. The parameters of the simulation results such as energies, temperatures or volumes can be displayed graphically. You can choose between different display formats such as bar charts and line graphs. The time axis can be varied between a day and up to a year.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Solar installers, PV design engineers, solar distributors, and mounting manufacturers.

Audience

Engineers searching for a design and simulation software for solar thermal systems

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

€9/month
Paid plans start at €9/month. Pro is €29/month or €290/year; Business is €85/month or €850/year, with three seats included and extra seats at €21/month (€210/year). White Label starts at €199/month, plus a €500 setup fee and €9/month per partner installer. Annual billing saves 16%; subscriptions renew automatically and can be canceled anytime. Pro includes a seven-day free trial; a card is required.
Free Version Supported
Free Trial Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Supported
Live Online Not Supported
In Person Not Supported

Company Information

Solispec
Founded: 2026
Ukraine
solispec.com/en

Company Information

Valentin Software
Founded: 1988
Germany
valentin-software.com/en/products/tsol/

Alternatives

Alternatives

GeoT*SOL

GeoT*SOL

Valentin Software
Solar Labs

Solar Labs

The Solar Labs
PV*SOL

PV*SOL

Valentin Software

Categories

Solar Supported
Solar Design Supported

Categories

Solar Supported
Solar Design Supported

Integrations

OpenStreetMap Supported
Stripe Supported

Integrations

OpenStreetMap Not Supported
Stripe Not Supported
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Claim Solispec and update features and information
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