The 3 Best HVAC & Heating in Penarth 2026

Ranked by real customer reviews, Gas Safe accreditation status 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.

    5.0โ˜… (96 reviews)3 verification sources
    5.0โ˜…
    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.

    5.0โ˜… (18 reviews)
    5.0โ˜…
    18 reviews
  3. Companies House registered

Want more options? See all hvac & heating in Penarth โ†’