{"citations":{"source_mix":{"company_owned":14,"independent":21,"unclear":1},"sources_referenced_by_questions":0,"support_mix":{"direct":29,"partial":7},"total_sources":36,"unique_domain_count":21},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-10-02","platform_support":["deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Energy-Efficient Replacement Window Brands","unit":"platforms","value":6},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-10-02","platform_support":["deepseek","google","grok","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"energy efficient windows","subject":"Marvin","unit":"rank","value":2},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-10-02","platform_support":["deepseek","google","grok","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 6","subject":"Marvin","unit":"platforms","value":5},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-10-02","platform_support":["grok","google"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Marvin","unit":"platforms","value":2},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-10-02","platform_support":["openai","deepseek","perplexity"],"predicate":"fit_rating_count","qualifier":"good","subject":"Marvin","unit":"platforms","value":3},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-10-02","platform_support":["kimi"],"predicate":"fit_rating_count","qualifier":"mixed","subject":"Marvin","unit":"platforms","value":1}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":4,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":2,"name":"Marvin","platform_mentions":5,"platform_share":0.8333333333333334}],"identity":{"dataset_url":"https://homeimprovementconsensusindex.com/datasets/window-and-door-replacement/energy-efficient-windows/marvin.json","page_url":"https://homeimprovementconsensusindex.com/window-and-door-replacement/energy-efficient-windows/marvin","report_type":"fit_review","study_id":"HICI-STUDY-307D34BD3ADD","title":"Marvin Review for energy efficient windows"},"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.","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":6,"maximum_finalists":10,"minimum_mentions":2,"name":"Home Improvement Consensus Index cross-platform AI consensus analysis","platforms_included":["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":"2026-10-02 09:31:13.525307+00","research_date":"2026-10-02","source_snapshot_sha256":"b8dc84ad5942437f578a1c8091109b26f7875d19954624ad1d4ffb143a634bf9","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":23,"qualified_finalists":8,"ranking_unit":"Window and door manufacturer, dealer, or installation company"},"schema_version":4,"summary":"Marvin is a good fit for energy efficient windows when the buyer prioritizes fiberglass frame durability, Low-E/argon glazing, and dealer-supported replacement installation in a hard-winter or hot-summer climate. Five of the six included platforms named Marvin during the ranking stage, and fit ratings ranged from strong (google, grok) to good (openai, perplexity, deepseek) to mixed (kimi). The strongest reason to consider Marvin is its Ultrex fiberglass construction paired with configurable Low-E and, on select Elevate products, triple-pane glazing. The main limitation is that exact U-factor…","target_buyer":"A homeowner in a climate with hard winters or hot summers choosing glazing packages to cut heating and cooling loss.","topic":{"base_category":"Window and Door Replacement","category_criteria":["U-factor and SHGC ratings","glazing and gas fill options","certification labelling","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-energy-efficient-replacement-window-brands","title":"Best Energy-Efficient Replacement Window Brands","use_case":"energy efficient windows"}}