The 3 Best HVAC & Heating in Penarth 2026

Ranked by real customer reviews, listing activity and Companies House verification. Updated weekly from public sources.

How this ranking is calculated

Composite score from real, publicly-verifiable signals only:

  • Google Business Profile star rating (when 3+ reviews)
  • Google Business Profile review count (log-scaled)
  • Verification sources: Companies House number, Google Business listing, Checkatrade, TrustATrader, claimed website
  • Operator-claimed listing status

No paid placement. No accepted listings. No fabricated reviews. Source data refreshed weekly.

  1. Gastight Plumbing & Heating is a hvac engineer in Dinas Powys, rated 5/5 from 96 Google reviews. Established Google Business Profile with 96+ customer reviews.

    5.0★ (96 reviews)3 verification sourcesoperator-verified listing
    5.0★
    96 reviews

  2. DJay Plumbing & Heating Services is a hvac engineer in Dinas Powys, rated 5/5 from 18 Google reviews. Verified Google Business Profile.

    5.0★ (18 reviews)
    5.0★
    18 reviews
  3. Companies House registered

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