{"citations":{"source_mix":{"company_owned":118,"independent":50,"unclear":1},"sources_referenced_by_questions":0,"support_mix":{"direct":137,"partial":24},"total_sources":169,"unique_domain_count":59},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-09-30","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best HVAC Companies for Annual Maintenance Plans and Service Contracts","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-30","platform_support":["deepseek","google","openai"],"predicate":"final_consensus_rank","qualifier":"annual maintenance plans and service contracts","subject":"Service Experts","unit":"rank","value":1},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-30","platform_support":["deepseek","google","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Service Experts","unit":"platforms","value":3},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-30","platform_support":["deepseek","google","openai"],"predicate":"final_consensus_rank","qualifier":"annual maintenance plans and service contracts","subject":"One Hour Heating & Air Conditioning","unit":"rank","value":2},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-30","platform_support":["deepseek","google","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"One Hour Heating & Air Conditioning","unit":"platforms","value":3},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-30","platform_support":["deepseek","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"annual maintenance plans and service contracts","subject":"Trane","unit":"rank","value":3},{"claim_id":"claim-007","confidence":"verified","observed_at":"2026-09-30","platform_support":["deepseek","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Trane","unit":"platforms","value":3},{"claim_id":"claim-008","confidence":"verified","observed_at":"2026-09-30","platform_support":["google","openai"],"predicate":"final_consensus_rank","qualifier":"annual maintenance plans and service contracts","subject":"ARS / Rescue Rooter","unit":"rank","value":4},{"claim_id":"claim-009","confidence":"verified","observed_at":"2026-09-30","platform_support":["google","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"ARS / Rescue Rooter","unit":"platforms","value":2},{"claim_id":"claim-010","confidence":"verified","observed_at":"2026-09-30","platform_support":["deepseek","google"],"predicate":"final_consensus_rank","qualifier":"annual maintenance plans and service contracts","subject":"Aire Serv","unit":"rank","value":5},{"claim_id":"claim-011","confidence":"verified","observed_at":"2026-09-30","platform_support":["deepseek","google"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Aire Serv","unit":"platforms","value":2}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":3.3333333333333335,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":1,"name":"Service Experts","platform_mentions":3,"platform_share":0.42857142857142855},{"average_rank":3.3333333333333335,"best_rank":2,"entity_id":"entity-002","entity_type":"company","final_rank":2,"name":"One Hour Heating & Air Conditioning","platform_mentions":3,"platform_share":0.42857142857142855},{"average_rank":3.6666666666666665,"best_rank":3,"entity_id":"entity-003","entity_type":"company","final_rank":3,"name":"Trane","platform_mentions":3,"platform_share":0.42857142857142855},{"average_rank":3,"best_rank":1,"entity_id":"entity-004","entity_type":"company","final_rank":4,"name":"ARS / Rescue Rooter","platform_mentions":2,"platform_share":0.2857142857142857},{"average_rank":5,"best_rank":4,"entity_id":"entity-005","entity_type":"company","final_rank":5,"name":"Aire Serv","platform_mentions":2,"platform_share":0.2857142857142857}],"identity":{"dataset_url":"https://homeservicesconsensusindex.com/datasets/hvac-installation-and-repair/maintenance-plans-service-contracts.json","page_url":"https://homeservicesconsensusindex.com/hvac-installation-and-repair/maintenance-plans-service-contracts","report_type":"best_of_index","study_id":"HSCI-STUDY-4780A605B179","title":"Best HVAC Companies for Annual Maintenance Plans and Service Contracts (2026)"},"limitations":["Exactly 7 platforms were included in this run: openai, anthropic, deepseek, grok, perplexity, kimi, google. The configured source value 7 is provenance only and must never be described as the number of platforms studied.","The finalrankingtable is the sole authority for rank, platform mentions, platform share, average rank, and best rank. Ignore any conflicting value embedded in a entity evidence bundle.","The Consensus Ranking table must contain exactly one row per finalrankingtable entity, in that order, using that exact entityname. Never split one ranked entity into two product, model, SKU, or product-line rows, and never add another ranking row for a brand already listed. Put recommended products or plans inside that entity's ranked section.","Platform mentions count only ranking-discovery mentions. Do not substitute the number of platforms that later completed a fit assessment.","Citation IDs inside each entity bundle are local to that entity. Consolidate sources by URL using the supplied source catalog.","The URLs were collected from platform responses and were not independently validated by either writer stage.","Each fitreviewurlorplaceholder is the final site-relative CMS path for that entity's review. Link the entity name to that exact path exactly once in its ranked prose section, outside tables and headings. Never replace it with a run ID, report ID, UUID, or local output path.","Use the exact entity-namespaced citation IDs from the source catalog (e.g. e1:); never transfer a citation between entities."],"methodology":{"fit_rating_contract":["strong","good","mixed","weak","uncertain"],"included_valid_platform_count":7,"maximum_finalists":10,"minimum_mentions":2,"name":"Home Services Consensus Index cross-platform AI consensus analysis","platforms_included":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"platforms_queried":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"stages":["ranking_discovery","fit_assessment","normalization","editorial_synthesis"],"version":"alias-table-1"},"provenance":{"generated_at":"2026-09-30 20:09:38.609558+00","research_date":"2026-09-30","source_snapshot_sha256":"c0f52ba2f9be5c53123c9d72e78f8c383ff7fc22e5dc6250330e93394b05e310","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":33,"qualified_finalists":5,"ranking_unit":"HVAC contractor or company brand"},"schema_version":4,"summary":"Service Experts is the consensus leader for homeowners seeking an annual HVAC maintenance plan and service contract, named by 3 of 7 platforms (42.9%) with an average listed position of 3.33 and a best position of 1. One Hour Heating & Air Conditioning and Trane tie on mentions and average position, but serve different buyers: One Hour suits homeowners whose local franchise publishes two seasonal visits and repair discounts, while Trane suits owners of Trane equipment who want a brand-authorized dealer. ARS / Rescue Rooter holds the best single position of any entity (rank 1 on one platform)…","target_buyer":"A homeowner who wants an ongoing maintenance agreement to keep their HVAC system running efficiently and catch problems before they become breakdowns.","topic":{"base_category":"HVAC Installation and Repair","category_criteria":["maintenance plan value","priority scheduling for members","inspection thoroughness","plan pricing structure"],"geography":"United States","slug":"best-hvac-companies-for-annual-maintenance-plans-and-service-contracts","title":"Best HVAC Companies for Annual Maintenance Plans and Service Contracts","use_case":"annual maintenance plans and service contracts"}}