{"uid":"cap_o3E2-hKvmTLNul7fEmhxH","slug":"hvac-efficiency-unit-converter-5ad5c52f","name":"HVAC Efficiency Unit Converter","description":"Convert EER, COP and kW per ton, and tons, BTU/h and kW of cooling capacity.","url":"https://hvac-calc.x402tookit.com/efficiency-convert?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"kw":{"type":"number","description":"Capacity in kW (thermal)"},"cop":{"type":"number","description":"Coefficient of performance"},"eer":{"type":"number","description":"Energy efficiency ratio (BTU/h per watt); send exactly one of eer, cop or kwPerTon"},"btuh":{"type":"number","description":"Capacity in BTU/h"},"tons":{"type":"number","description":"Capacity in tons; optional, send exactly one of tons, btuh or kw for capacity"},"kwPerTon":{"type":"number","description":"Electrical kW per ton of cooling"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"kw":{"type":["null","number"]},"cop":{"type":["null","number"]},"eer":{"type":["null","number"]},"asOf":{"type":["null","string"]},"btuh":{"type":["null","number"]},"tons":{"type":["null","number"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"kwPerTon":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"electricalKw":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_v_CSOSYXKuiGT_Kn3uLJu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts between HVAC efficiency ratings (EER, COP, kW/ton) and cooling capacity units (tons, BTU/h, kW).","exampleAgentPrompt":"Can you convert a COP of 3.8 to EER and kW per ton? The cooling capacity is 5 tons — what's that in BTU/h and kW as well?","exampleUseCases":[{"title":"Comparing AC efficiency across rating systems","prompt":"I'm comparing two air conditioners — one is rated at 14 EER and the other at COP 4.1. Can you convert both to the same units so I can see which is more efficient?"},{"title":"Cooling capacity unit conversion for equipment spec","prompt":"Our chiller is rated at 150 kW of cooling. Can you convert that to tons of refrigeration and BTU/h for the equipment schedule?"},{"title":"Energy audit efficiency metric normalization","prompt":"I have a unit rated at 0.65 kW per ton — what is that in EER and COP so I can compare it to international efficiency standards?"}],"resultDescription":"Returns all three efficiency metrics (EER, COP, kW/ton) and all three capacity units (tons, BTU/h, kW thermal) derived from the inputs provided, along with electrical kW, a human-readable summary, a verdict, and a disclaimer. Null values appear for fields that cannot be derived without additional input.","failureModes":["Missing required input: neither an efficiency metric nor a capacity value provided — returns error or nulls","Ambiguous input: sending more than one efficiency metric (e.g. both EER and COP) may cause conflict","Invalid numeric values (negative or zero) may produce nonsensical results","Capacity-only input without efficiency metric yields capacity conversions but null efficiency fields","Network or payment failure returns HTTP 402 or 5xx with no conversion data"],"whenToPreferThis":"Use this endpoint when you need to interconvert HVAC efficiency ratings (EER, COP, kW/ton) or cooling capacity units (tons, BTU/h, kW) in a single call. Ideal for engineering tools, energy audits, equipment comparisons, and building system specifications where multiple unit systems are in use. Prefer this over manual formulas when you need a validated, structured response with a summary and disclaimer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T00:35:01.471Z","isFirstParty":false,"canonicalSlug":"hvac-efficiency-unit-converter-5ad5c52f"}