Planeto Blog
Insights, guides and best practices for district heating and cooling network design.

TESSA 6.3: scenario checkpoints, licence quotas and image tile layers
TESSA 6.3 introduces scenario checkpoints, so you can save and restore snapshots of a scenario, plus licence quotas, image tile layers and editable building floors and heights.
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Use your favourite AI assistant with TESSA: introducing the TESSA MCP server
Connect Claude, ChatGPT, Microsoft Copilot, Mistral or any other MCP-compatible assistant to TESSA, and let it run workflows and process results for you.
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TESSA 6.2: reliable background job alerts, configurable demand models and project favourites
TESSA 6.2 adds reliable background job alerts, exposes demand model parameters, introduces parametric Demand Ninja, and adds tool favourites and project pinning.
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Ground Source vs Air Source Heat Pump: An Honest Comparison
Ground source wins almost every technical comparison, so that is not the question worth asking. The question is where the extra money stops being worth it for your building. That crossover point is real, it is calculable, and four things decide where it sits.
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Shallow Geothermal for Homes and Small Apartment Buildings: Heating, Cooling, and What Nobody Tells You
Heating has to be decarbonised and summers have become hot enough that cooling is a habitability question. Shallow geothermal answers both with the same pipes, but it is expensive to get wrong. Here is what it genuinely delivers, where it disappoints, and what decides the outcome before anyone drills.
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TESSA 6.1: borehole regeneration, target-IRR tariffs and powerful filtering
TESSA 6.1 models ground regeneration, solves for the tariff that hits your target IRR, and adds advanced filtering, plus international demand models.
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TESSA 6.0: design anywhere, real meter data and a rebuilt financial workspace
TESSA 6.0 lets you design anywhere in the world, blend metered demand, optimise layouts and rebuilds financial analysis.
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TESSA 5.5: carbon tax on indirect emissions and unified project catalogs
TESSA 5.5 models carbon taxes on indirect emissions and centralises fuel, source, network and pipe catalogs per project.
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TESSA 5.4: CAD export, automated heat source dimensioning and smarter filters
TESSA 5.4 hands designs off to CAD, sizes heat sources automatically and filters buildings with boolean logic.
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Migrating from Comsof Heat: Why District Energy Planners Are Choosing Planeto
Looking for a Comsof alternative? We compare the alternatives planners actually evaluate — THERMOS, Hotmaps, ENEKA and Planeto — so you can choose a replacement that matches Comsof Heat's engineering depth and migrate your data without starting over.
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TESSA 5.3: catalog-driven pipe sizing, aquifer storage and CHP
TESSA 5.3 adds catalog-driven pipe sizing, aquifer thermal energy storage and combined heat and power modeling.
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TESSA 5.0: a modernised interface, phased deployment and a geothermal borehole suite
TESSA 5.0 brings a faster, cleaner interface, multi-year deployment planning and shallow geothermal tools built for 5th-generation networks.
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