{"citations":{"source_mix":{"company_owned":31,"independent":26,"unclear":1},"sources_referenced_by_questions":0,"support_mix":{"direct":43,"partial":13},"total_sources":58,"unique_domain_count":31},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-10-02","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Window Companies for Noise Reduction and Soundproofing","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-10-02","platform_support":["deepseek","openai"],"predicate":"final_consensus_rank","qualifier":"soundproof window replacement","subject":"Marvin","unit":"rank","value":9},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-10-02","platform_support":["deepseek","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Marvin","unit":"platforms","value":2},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-10-02","platform_support":["openai","anthropic","deepseek","perplexity","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"Marvin","unit":"platforms","value":5},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-10-02","platform_support":["grok"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Marvin","unit":"platforms","value":1},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-10-02","platform_support":["kimi"],"predicate":"fit_rating_count","qualifier":"uncertain","subject":"Marvin","unit":"platforms","value":1}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":3,"best_rank":3,"entity_id":"entity-001","entity_type":"company","final_rank":9,"name":"Marvin","platform_mentions":2,"platform_share":0.2857142857142857}],"identity":{"dataset_url":"https://homeimprovementconsensusindex.com/datasets/window-and-door-replacement/soundproof-window-replacement/marvin.json","page_url":"https://homeimprovementconsensusindex.com/window-and-door-replacement/soundproof-window-replacement/marvin","report_type":"fit_review","study_id":"HICI-STUDY-81302E1E9D5D","title":"Marvin Review for Noise Reduction and Soundproofing"},"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.","The deterministic identity audit contains qualification notes that must be disclosed where relevant.","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 Improvement 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":"2026-10-03 00:36:41.638912+00","research_date":"2026-10-02","source_snapshot_sha256":"ea674d184d1a0a4345f17783ebd3aed5a87a68bf4073984df7a899eaaeedb687","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":31,"qualified_finalists":9,"ranking_unit":"Window and door manufacturer, dealer, or installation company"},"schema_version":4,"summary":"Marvin is a good, but not automatically strong, fit for soundproof window replacement. Two of the seven platforms in this study named Marvin during the ranking stage, and both placed it third. The strongest reason to consider Marvin is its documented sound-abatement glazing program: Marvin publishes STC/OITC data for specified glass configurations, catalogs laminated and specialty sound-abatement glass, and supports full-frame replacement through authorized dealers . The main limitation is verification: the ranking-stage claim of STC 35–40 was not confirmed as a standard result across the…","target_buyer":"A homeowner near a motorway, flight path or busy street choosing glazing specifically to cut external noise.","topic":{"base_category":"Window and Door Replacement","category_criteria":["sound transmission ratings","laminated and dissimilar glazing","frame sealing","product range and frame materials","energy performance ratings","installation quality","lead time","price transparency","product and labor warranty","customer review strength"],"geography":"United States","slug":"best-window-companies-for-noise-reduction-and-soundproofing","title":"Best Window Companies for Noise Reduction and Soundproofing","use_case":"soundproof window replacement"}}