{"citations":{"source_mix":{"company_owned":77,"independent":49,"unclear":5},"sources_referenced_by_questions":0,"support_mix":{"direct":96,"partial":14},"total_sources":131,"unique_domain_count":45},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-10-01","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best National HVAC Franchise Brands with Standardized Warranty Backed Installs","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-10-01","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"national franchise warranty backed installs","subject":"One Hour Heating & Air Conditioning","unit":"rank","value":1},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-10-01","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"One Hour Heating & Air Conditioning","unit":"platforms","value":7},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-10-01","platform_support":["anthropic","deepseek","google","grok","kimi"],"predicate":"final_consensus_rank","qualifier":"national franchise warranty backed installs","subject":"Aire Serv","unit":"rank","value":2},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-10-01","platform_support":["anthropic","deepseek","google","grok","kimi"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Aire Serv","unit":"platforms","value":5},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-10-01","platform_support":["anthropic","grok","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"national franchise warranty backed installs","subject":"Service Experts","unit":"rank","value":3},{"claim_id":"claim-007","confidence":"verified","observed_at":"2026-10-01","platform_support":["anthropic","grok","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Service Experts","unit":"platforms","value":4}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":1.5714285714285714,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":1,"name":"One Hour Heating & Air Conditioning","platform_mentions":7,"platform_share":1},{"average_rank":2.2,"best_rank":2,"entity_id":"entity-002","entity_type":"company","final_rank":2,"name":"Aire Serv","platform_mentions":5,"platform_share":0.7142857142857143},{"average_rank":2.25,"best_rank":1,"entity_id":"entity-003","entity_type":"company","final_rank":3,"name":"Service Experts","platform_mentions":4,"platform_share":0.5714285714285714}],"identity":{"dataset_url":"https://homeservicesconsensusindex.com/datasets/hvac-installation-and-repair/national-franchise-warranty-backed-installs.json","page_url":"https://homeservicesconsensusindex.com/hvac-installation-and-repair/national-franchise-warranty-backed-installs","report_type":"best_of_index","study_id":"HSCI-STUDY-006D9D657382","title":"Best National HVAC Franchise Brands with Standardized Warranty Backed Installs (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":"2026-10-01 04:15:36.723343+00","research_date":"2026-10-01","source_snapshot_sha256":"ffb40aebfa376a4c7100dce6f1bde5b46bedebf5f5e4f195a8e3e6f719c050c9","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":28,"qualified_finalists":3,"ranking_unit":"HVAC contractor or company brand"},"schema_version":4,"summary":"One Hour Heating & Air Conditioning is the consensus leader for homeowners who want a recognized national HVAC franchise with written warranty language and a formal satisfaction-accountability path, named by all 7 platforms studied. Aire Serv is the strongest alternative for buyers who want a written workmanship re-performance promise and a Neighborly network affiliation, while Service Experts is the best fit for buyers who want a multi-location provider with a written one-year installation-performance guarantee and optional bundled maintenance or lease-style coverage. The study sent one…","target_buyer":"A homeowner who specifically wants the consistency, accountability, and warranty backing of a recognized national HVAC franchise brand over a local independent.","topic":{"base_category":"HVAC Installation and Repair","category_criteria":["brand consistency across locations","warranty terms and backing","customer service standardization","nationwide availability"],"geography":"United States","slug":"best-national-hvac-franchise-brands-with-standardized-warranty-backed-installs","title":"Best National HVAC Franchise Brands with Standardized Warranty Backed Installs","use_case":"national franchise warranty backed installs"}}