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Klima Heating CO2 Calculator
x402
Klima Heating CO2 Calculator is a paid API for AI agents from klima.halowerk.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-28).
Calculates CO2e emissions from heating energy consumption using a published heat emissions factor, with full provenance disclosure.
Price / call$0.004
Success—
StatusUnknown
How this service works
Calculates heating emissions from energy and a published heat factor. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age. This is neither legal advice nor customs advice.
Output
Returns calculated CO2e emissions in kg from the supplied energy and factor, along with provenance details (source, time window, age), method disclosure for derived values, and a list of unavailable_fields if any inputs were missing or null. All values are transparently annotated for audit and compliance use.
Example use cases
Annual building heating footprint
“I need to calculate the CO2e emissions for our office building's annual gas heating — we used 85,000 kWh of natural gas last year. Use an emissions factor of 0.202 kgCO2e/kWh sourced from the BEIS 2023 Conversion Factors report at https://assets.publishing.service.gov.uk/beis-2023 published on 2023-06-15.”
ESG report heating emissions
“For our ESG report, calculate heating CO2e for 4,200 kWh of district heating consumption using a factor of 0.145 kgCO2e/kWh. The factor comes from the Euroheat & Power 2022 report at https://www.euroheat.org/factors-2022, published 2022-11-01.”
Carbon audit for individual property
“Can you work out the carbon emissions from my home's oil boiler? I used 18,000 kWh of heating oil this winter. The emissions factor is 0.266 kgCO2e/kWh from the IEA Emission Factors 2023 guide at https://www.iea.org/ef-2023 published on 2023-09-01.”
Technical details
Endpoint
POSThttps://klima.halowerk.com/v1/heating-co2?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need auditable, source-backed heating CO2e calculations that disclose provenance and method — ideal for GHG inventories, ESG disclosures, carbon audits, or sustainability reports where transparency and traceability of the emissions factor are required. Prefer this over generic carbon calculators when you have a specific published heat factor and need null-safe handling of missing inputs with clear field-level disclosure.
Side effects
- Missing required source fields (url, title, published_at) cause validation errors
- Energy or factor values outside allowed range (0 to 1e12) are rejected
- Null or absent energy_kwh or factor results in null emission output with field listed in unavailable_fields
- Malformed date-time strings for published_at trigger schema validation failure
- Invalid URI format for source URL returns a schema error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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