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Services","platform_mentions":2,"platform_share":0.2857142857142857}],"identity":{"dataset_url":"https://homeservicesconsensusindex.com/datasets/hvac-installation-and-repair/boiler-radiant-heating.json","page_url":"https://homeservicesconsensusindex.com/hvac-installation-and-repair/boiler-radiant-heating","report_type":"best_of_index","study_id":"HSCI-STUDY-CD301CADDB3F","title":"Best HVAC Companies for Boiler and Radiant Heating Installation and Repair (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 05:50:11.699479+00","research_date":"2026-10-01","source_snapshot_sha256":"9bd984c4d494054ccbebc172393ec5505a0cceb1214492143d19e3ee07d6df00","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":40,"qualified_finalists":7,"ranking_unit":"HVAC contractor or company brand"},"schema_version":4,"summary":"Janes Radiant Heating is the consensus leader for boiler and radiant heating service, named by all 7 platforms studied (100.0% share) at an average listed position of 1.29 and a best position of 1. It is strongest for Western Washington on-site work and nationwide DIY hydronic kits. For distinct buyer needs, the strongest alternatives are John Owens Services (Marin/Sonoma County, California, Eichler slab radiant diagnostics), North Sound Boilers & Radiant (Seattle/Puget Sound, combustion-analysis annual service), TJ's Plumbing & Heating, Inc. (Northwestern Pennsylvania and Western New York,…","target_buyer":"A homeowner with a boiler-based or radiant heating system, common in older homes, who needs installation, replacement, or repair rather than forced-air service.","topic":{"base_category":"HVAC Installation and Repair","category_criteria":["boiler system expertise","radiant heat installation skill","hydronic system troubleshooting","regional climate experience"],"geography":"United States","slug":"best-hvac-companies-for-boiler-and-radiant-heating-installation-and-repair","title":"Best HVAC Companies for Boiler and Radiant Heating Installation and Repair","use_case":"boiler and radiant heating service"}}