{"citations":{"source_mix":{"company_owned":21,"independent":2,"unclear":0},"sources_referenced_by_questions":0,"support_mix":{"direct":17,"partial":5},"total_sources":23,"unique_domain_count":6},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-10-01","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best HVAC Companies for Boiler and Radiant Heating Installation and Repair","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-10-01","platform_support":["deepseek","kimi"],"predicate":"final_consensus_rank","qualifier":"boiler and radiant heating service","subject":"Water Heaters Unlimited","unit":"rank","value":6},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-10-01","platform_support":["deepseek","kimi"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Water Heaters Unlimited","unit":"platforms","value":2},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-10-01","platform_support":["grok","perplexity","kimi"],"predicate":"fit_rating_count","qualifier":"strong","subject":"Water Heaters Unlimited","unit":"platforms","value":3},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-10-01","platform_support":["openai","google"],"predicate":"fit_rating_count","qualifier":"good","subject":"Water Heaters Unlimited","unit":"platforms","value":2},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-10-01","platform_support":["anthropic"],"predicate":"fit_rating_count","qualifier":"weak","subject":"Water Heaters Unlimited","unit":"platforms","value":1},{"claim_id":"claim-007","confidence":"verified","observed_at":"2026-10-01","platform_support":["deepseek"],"predicate":"fit_rating_count","qualifier":"uncertain","subject":"Water Heaters Unlimited","unit":"platforms","value":1}],"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":6,"name":"Water Heaters Unlimited","platform_mentions":2,"platform_share":0.2857142857142857}],"identity":{"dataset_url":"https://homeservicesconsensusindex.com/datasets/hvac-installation-and-repair/boiler-radiant-heating/water-heaters-unlimited.json","page_url":"https://homeservicesconsensusindex.com/hvac-installation-and-repair/boiler-radiant-heating/water-heaters-unlimited","report_type":"fit_review","study_id":"HSCI-STUDY-BDE6A5F6C7CA","title":"Water Heaters Unlimited Review for Boiler and Radiant Heating Installation and Repair"},"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 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 05:47:06.158642+00","research_date":"2026-10-01","source_snapshot_sha256":"dbe8a556df631e814eef1a12e01dae1ed64c968fb912f69f66ff4febaef1b422","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":40,"qualified_finalists":7,"ranking_unit":"HVAC contractor or company brand"},"schema_version":4,"summary":"Water Heaters Unlimited is a good fit for boiler and radiant heating service if the home is inside its North Idaho service territory (Bonner, Kootenai, and Boundary counties). Two of seven platforms named it during the ranking stage, at an average listed rank of 5.5 and a best rank of 4. Its strongest asset is a published scope that is unusually specific to hydronic work: annual boiler service, combustion analysis on every visit, radiant-floor systems, hydronic zone and manifold work, and boiler replacement starting at $6,500. The main limitation is geography plus evidence quality: the…","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"}}