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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 17:11:01.781304+00","research_date":"2026-09-30","source_snapshot_sha256":"4ffe9d88f7c113f3569faf0dbe5e5bb0fe346c32ad5c95d986f26888286ab6f8","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":29,"qualified_finalists":9,"ranking_unit":"HVAC contractor or company brand"},"schema_version":4,"summary":"Mitsubishi Electric Diamond Contractor / Ductless Pro is the consensus leader for ductless mini-split installation in additions, garage conversions, and no-duct homes, ranking first across the three platforms that named it (openai, deepseek, google) with a 42.9% share of platform responses and an average listed position of 1.0. Daikin Comfort Pro / Daikin Comfort Elite dealers and Fujitsu AIRSTAGE Elite Contractor follow at ranks 2 and 3, each also named by three platforms. Buyers who need a single local contractor rather than a national dealer network should weigh Leonard Splaine Co.…","target_buyer":"A homeowner adding a room, converting a garage, or living in a home without existing ductwork who needs efficient heating and cooling installed.","topic":{"base_category":"HVAC Installation and Repair","category_criteria":["ductless system expertise","multi-zone configuration skill","aesthetic installation quality","brand certifications"],"geography":"United States","slug":"best-ductless-mini-split-installers-for-additions-and-no-duct-homes","title":"Best Ductless Mini-Split Installers for Additions and No-Duct Homes","use_case":"ductless mini-split installation"}}