# Thermondo

**Canonical:** https://apis.io/providers/thermondo/  
**Website:** https://www.thermondo.de/  
**APIs profiled:** 0

Thermondo is Germany's largest residential heating installer, focused on heat pumps, photovoltaic (solar) systems, home energy management (thermondo smart), dynamic electricity tariffs, financing and subsidy assistance, and maintenance and repair services for homeowners. Founded in 2013 and headquartered in Berlin, the company employs over 1,200 staff and has completed installations for more than 55,000 customers. Thermondo is a consumer-facing climate-energy provider and a portfolio company of HV Capital. It publishes no public developer API or documentation surface; it does operate a security.txt vulnerability-disclosure program and a GitHub organization. This profile was added to the API Evangelist network from HV Capital's portfolio and enriched with the public security surface that could be verified.

## Kin Score — 7.3 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+1.1 from 6.2).

| Facet | Score |
|---|---|
| Discoverability | 61.1 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Energy & Utilities**: 16.2 (matched via tags).

## Agent readiness — 2.6 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | yes |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (2)

- **Thermondo Domain Security** — TLSv1.3 · HSTS · DMARC
- **Thermondo Vulnerability Disclosure** — security.txt · contact published

## Tags

Company, Consumer; Climate Energy, Heat Pumps, Solar, Home Energy, Energy Management, Climate Tech

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/thermondo/). Scores are computed from the provider's own public artifacts under a published rubric.