{"citations":{"source_mix":{"company_owned":20,"independent":16,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":29,"partial":7},"total_sources":36,"unique_domain_count":19},"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 Full System Replacement","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-30","platform_support":["anthropic","deepseek"],"predicate":"final_consensus_rank","qualifier":"full central system replacement","subject":"American Standard","unit":"rank","value":9},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-30","platform_support":["anthropic","deepseek"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"American Standard","unit":"platforms","value":2},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-30","platform_support":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"American Standard","unit":"platforms","value":7}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":5.5,"best_rank":4,"entity_id":"entity-001","entity_type":"company","final_rank":9,"name":"American Standard","platform_mentions":2,"platform_share":0.2857142857142857}],"identity":{"dataset_url":"https://homeservicesconsensusindex.com/datasets/hvac-installation-and-repair/full-system-replacement/american-standard.json","page_url":"https://homeservicesconsensusindex.com/hvac-installation-and-repair/full-system-replacement/american-standard","report_type":"fit_review","study_id":"HSCI-STUDY-4E3B99C990F2","title":"American Standard Review for Full System Replacement"},"limitations":["Use the run researchdate as the study date. Platform-reported dates are provenance metadata and do not independently prove freshness.","All included platforms evaluated fit, but platformmentions counts only platforms that named the entity during ranking discovery.","Do not resolve conflicting product names, pricing, or capabilities by guessing; describe the conflict and tell buyers what to verify.","The supplied URLs were collected from platform responses and were not independently validated by the writer stage.","Company-owned citations materially outnumber independent citations; do not describe company claims as independently verified.","Platform-reported research dates differ from the authoritative run date; disclose this as a methodology limitation.","Citations are platform-reported evidence, not independently verified facts. No-search model claims require explicit verification before being described as current facts."],"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 13:11:15.423802+00","research_date":"2026-09-30","source_snapshot_sha256":"d90deaadceb2938c350b135692471c3959cf54b6431f8d39e595cf3f95fca44a","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":31,"qualified_finalists":9,"ranking_unit":"HVAC contractor or company brand"},"schema_version":4,"summary":"American Standard is a good, but dealer-dependent, fit for full central system replacement. Two of the seven platforms in this study named American Standard during the ranking stage, at an average listed rank of 5.5 and a best rank of 4 (anthropic, deepseek). The strongest reason to consider it is the Platinum and Gold equipment tiers: Platinum uses variable-speed AccuComfort technology, Gold uses two-stage operation, and registered systems can carry 10-year parts coverage when registered within 60 days . The main limitation is that American Standard does not install anything itself. Sizing,…","target_buyer":"A homeowner whose central heating and cooling system is over 10 years old and failing or nearing end of life and needs a complete new system installed.","topic":{"base_category":"HVAC Installation and Repair","category_criteria":["installation quality","system sizing accuracy","warranty coverage","pricing transparency","brand equipment options"],"geography":"United States","slug":"best-hvac-companies-for-full-system-replacement","title":"Best HVAC Companies for Full System Replacement","use_case":"full central system replacement"}}