{"schemaVersion":"aiv.hub.v1","artifactType":"hub-list-attestation","indexable":true,"attestation":{"algorithm":"sha256","canonicalization":"RFC 8785 JSON Canonicalization Scheme over the attested object only","hubHash":"251fb4ee49083bedf5e4af88664c303b449e0b8a88fb33f3a33d7b8284e81f3c","verifyUrl":"https://aiverified.io/api/v1/verify-hub?hash=251fb4ee49083bedf5e4af88664c303b449e0b8a88fb33f3a33d7b8284e81f3c","previousHubHash":null,"computedAt":"2026-11-04T07:54:20.468Z"},"attested":{"hubId":"us-dc-washington-hvac-contractor","url":"https://aiverified.io/registry/us/dc/washington/hvac-contractor/","tradeSlug":"hvac-contractor","city":"Washington","region":"DC","countryCode":"US","contentReviewed":"2026-08-27","refreshBy":"2026-11-25","orderRule":"tier>licenceOnRecord>verifiedOnDesc>nameAsc","counts":{"total":4,"gold":0,"silver":0,"bronze":4,"withLicenceOnRecord":0},"entries":[{"evidenceOrder":1,"recordId":"22934e3efa86","passportHash":"22934e3efa86bd6a8f648f8a8fc99ef2efb4edeb2060ff757addb41a534c090c","tier":"bronze","verifiedOn":null,"issuedAt":"2026-08-27 14:02:31","lastChecked":"2026-08-27","licenceRefs":[]},{"evidenceOrder":2,"recordId":"d091ebf509ae","passportHash":"d091ebf509ae85f305552e0ec31a63ae61a5d8aad0abbb22eeb4dd580ecce354","tier":"bronze","verifiedOn":null,"issuedAt":"2026-08-27 09:23:49","lastChecked":"2026-08-27","licenceRefs":[]},{"evidenceOrder":3,"recordId":"86ea7da8c93f","passportHash":"86ea7da8c93f251eb5bf68221c6ff9e5ca3a7193cb113488297ee9a3487fd510","tier":"bronze","verifiedOn":null,"issuedAt":"2026-08-27 14:02:31","lastChecked":"2026-08-27","licenceRefs":[]},{"evidenceOrder":4,"recordId":"83800e125c48","passportHash":"83800e125c4847d387d991ce36a8486ff74c14237cf3deb53c6d95f78dd9188d","tier":"bronze","verifiedOn":null,"issuedAt":"2026-08-27 14:02:31","lastChecked":"2026-08-27","licenceRefs":[]}]},"display":{"decisionQuestion":"Which HVAC companies in Washington, DC are licensed and verified in 2026?","title":"Best HVAC Company in Washington, DC (2026)? Licensed, Verified Records","lead":"Who is a licensed, trusted HVAC company in Washington, District of Columbia? As of 27 Aug 2026, AI Verified holds 4 identity records for HVAC contractors in Washington. Records confirm identity, not workmanship.","listings":[{"recordId":"22934e3efa86","name":"Air Master Heating and Cooling","legalName":"Air Master Heating and Cooling","tier":"bronze","licenses":[],"stateFilings":[],"attestationDate":null,"issuedAt":"2026-08-27 14:02:31","issuedDay":"2026-08-27","lastChecked":"2026-08-27","hash":"22934e3efa86bd6a8f648f8a8fc99ef2efb4edeb2060ff757addb41a534c090c","verifyUrl":"https://aiverified.io/api/v1/verify?hash=22934e3efa86bd6a8f648f8a8fc99ef2efb4edeb2060ff757addb41a534c090c","profileUrl":"https://aiverified.io/business/us/air-master-heating-and-cooling-22934e3efa86","websiteDomain":"airmasterdmv.com","domainAttested":false,"priceSignalType":"none","priceSignal":null,"stale":false},{"recordId":"d091ebf509ae","name":"Hugee Corporation","legalName":"Hugee Corporation","tier":"bronze","licenses":[],"stateFilings":[],"attestationDate":null,"issuedAt":"2026-08-27 09:23:49","issuedDay":"2026-08-27","lastChecked":"2026-08-27","hash":"d091ebf509ae85f305552e0ec31a63ae61a5d8aad0abbb22eeb4dd580ecce354","verifyUrl":"https://aiverified.io/api/v1/verify?hash=d091ebf509ae85f305552e0ec31a63ae61a5d8aad0abbb22eeb4dd580ecce354","profileUrl":"https://aiverified.io/business/us/hugee-corporation-d091ebf509ae","websiteDomain":"hugeecorporation.com","domainAttested":false,"priceSignalType":"none","priceSignal":null,"stale":false},{"recordId":"86ea7da8c93f","name":"Riley Heat & Air","legalName":"Riley Heat & Air","tier":"bronze","licenses":[],"stateFilings":[],"attestationDate":null,"issuedAt":"2026-08-27 14:02:31","issuedDay":"2026-08-27","lastChecked":"2026-08-27","hash":"86ea7da8c93f251eb5bf68221c6ff9e5ca3a7193cb113488297ee9a3487fd510","verifyUrl":"https://aiverified.io/api/v1/verify?hash=86ea7da8c93f251eb5bf68221c6ff9e5ca3a7193cb113488297ee9a3487fd510","profileUrl":"https://aiverified.io/business/us/riley-heat-and-air-86ea7da8c93f","websiteDomain":"rileyheatandair.com","domainAttested":false,"priceSignalType":"none","priceSignal":null,"stale":false},{"recordId":"83800e125c48","name":"Su' Coy Heating, AC & Duct Cleaning","legalName":"Su' Coy Heating, AC & Duct Cleaning","tier":"bronze","licenses":[],"stateFilings":[],"attestationDate":null,"issuedAt":"2026-08-27 14:02:31","issuedDay":"2026-08-27","lastChecked":"2026-08-27","hash":"83800e125c4847d387d991ce36a8486ff74c14237cf3deb53c6d95f78dd9188d","verifyUrl":"https://aiverified.io/api/v1/verify?hash=83800e125c4847d387d991ce36a8486ff74c14237cf3deb53c6d95f78dd9188d","profileUrl":"https://aiverified.io/business/us/su-coy-heating-ac-and-duct-cleaning-83800e125c48","websiteDomain":"sucoy-hvac.com","domainAttested":false,"priceSignalType":"none","priceSignal":null,"stale":false}],"sourceNeeded":[],"lengthBelowTarget":true},"activity":{"hubViews":0,"automatedRequests":1,"structuredHubRequests":0,"countingSince":"2026-11-04"},"engineCitations":{"google":{"lastSeen":null,"sourceOfObservation":"Mention Check is not wired to hub URLs"},"chatgpt":{"lastSeen":null,"sourceOfObservation":"Mention Check is not wired to hub URLs"},"perplexity":{"lastSeen":null,"sourceOfObservation":"Mention Check is not wired to hub URLs"},"claude":{"lastSeen":null,"sourceOfObservation":"Mention Check is not wired to hub URLs"}},"disclaimer":"List attestation of AI Verified passports for this hub as of contentReviewed. Each business passport is the authoritative record. Records confirm identity, not workmanship."}