{"uid":"cap_zKI21vDXBNn8yBYNYjQQ4","slug":"home-energy-household-load-calculator-bb4ba46d","name":"Home Energy Household Load Calculator","description":"Total a list of appliances (watts, hours a day, quantity) into kWh and cost per day, month and year, with each one's share.","url":"https://home-energy-calc.x402tookit.com/household-load?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":["appliances","pricePerKwh"],"properties":{"appliances":{"type":"string","description":"Lines name:watts:hoursPerDay[:quantity[:daysPerYear]] separated by semicolons, for example 'fridge:150:8; led bulb:9:5:12; tv:100:4'"},"pricePerKwh":{"type":"number","description":"Electricity price per kWh, above 0 (any currency)"},"standbyWatts":{"type":"number","description":"Always-on standby load in watts for the whole home, 0 to 2000 (default 0)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"appliances":{"type":["array","null"],"items":{"type":"object","properties":{"name":{"type":["null","string"]},"watts":{"type":["null","number"]},"quantity":{"type":["null","number"]},"kwhPerYear":{"type":["null","number"]},"costPerYear":{"type":["null","number"]},"daysPerYear":{"type":["null","number"]},"hoursPerDay":{"type":["null","number"]},"kwhPerMonth":{"type":["null","number"]},"sharePercent":{"type":["null","number"]}}}},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"averageWatts":{"type":["null","number"]},"totalKwhPerDay":{"type":["null","number"]},"totalKwhPerYear":{"type":["null","number"]},"totalCostPerYear":{"type":["null","number"]},"totalKwhPerMonth":{"type":["null","number"]},"totalCostPerMonth":{"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_4nwnST4-H5XPlF3Zra-PB","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":"Totals a list of home appliances (by watts, hours/day, and quantity) into kWh and cost breakdowns per day, month, and year, with each appliance's share of total consumption.","exampleAgentPrompt":"Can you calculate my total home electricity cost? I have a fridge at 150W running 24h/day, a TV at 100W for 4h/day, and 10 LED bulbs at 9W each for 5h/day — electricity costs me $0.13 per kWh.","exampleUseCases":[{"title":"Monthly bill estimate before moving","prompt":"I'm about to move into a new apartment and want to know what my electricity bill will look like. I'll have a fridge at 150W running all day, a washing machine at 500W for 1 hour daily, a laptop at 65W for 8 hours, and 8 LED bulbs at 9W for 6 hours. Electricity there is $0.15 per kWh — what will I pay per month?"},{"title":"Identifying biggest energy hogs at home","prompt":"Which of my appliances is costing me the most? I run a central AC at 3500W for 8h/day, a water heater at 4000W for 2h/day, a fridge at 200W all day, and a TV at 120W for 5h/day. My electricity rate is $0.18 per kWh — give me the breakdown with each device's share of my total bill."},{"title":"Annual cost projection for home office setup","prompt":"I'm setting up a home office and want to know the yearly electricity cost. I'll have a desktop PC at 300W for 8h/day, two monitors at 40W each for 8h/day, a desk lamp at 12W for 8h/day, and a small space heater at 1500W for 3h/day on 120 days per year. Rate is $0.12 per kWh."}],"resultDescription":"Returns a structured object with total kWh and cost per day, month, and year for the entire household load, plus a per-appliance array showing each item's name, watts, hours/day, quantity, days/year, kWh per month, kWh per year, cost per year, and share percentage of total consumption. Also includes average watts and optional summary/disclaimer text.","failureModes":["Missing required 'appliances' query parameter returns an error","Missing or zero 'pricePerKwh' returns an error (must be above 0)","Malformed appliance string format (wrong delimiter or missing required fields) causes parse failure","standbyWatts outside 0–2000 range may be rejected","Appliance entries with zero or negative wattage may be flagged or ignored"],"whenToPreferThis":"Choose this endpoint when you need to aggregate multiple appliances into a single household energy and cost summary with per-device breakdowns and share percentages. It is ideal for home energy audits, budget estimation, and consumption analysis across a full list of devices. Prefer it over a simple bill estimator when you have individual appliance data and want itemized attribution, not just a total kWh input.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:12:37.458Z","isFirstParty":false,"canonicalSlug":"home-energy-household-load-calculator-bb4ba46d"}