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high severity March 01, 2023 · 3 min read Unverified claim — what this is

E&S Heating & Ventilation Ltd Listed by ransomhouse Ransomware Group

If you are a customer of E&S Heating & Ventilation Ltd, here’s what is being claimed, and what it would mean for you.

E&S Heating & Ventilation Ltd was listed on Ransomhouse's leak site. Ransomhouse claims to have stolen internal data. This is the group's claim, not a confirmed finding.

E&S Heating & Ventilation Ltd Listed by ransomhouse Ransomware Group

E&S Heating & Ventilation Ltd was listed on the RansomHouse leak site on March 01, 2023 after the ransomware group claimed to have exfiltrated internal files during a ransomware attack on the UK-based ductwork manufacturer.

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Details from the Leak Site

The RansomHouse listing states that the company suffered a ransomware incident in which attackers exfiltrated internal files. The disclosure does not quantify the number of records affected, nor does it list specific data types beyond the general description of internal files. No ransom demand figure or payment deadline is published on the page. The company, which has specialised in galvanised, fire-rated and stainless-steel ductwork since 1972, has not yet issued a public breach notification that would confirm or expand on the attacker’s claims.

Why This Matters for You and Your Family

When a business like an HVAC contractor is breached, customer invoices, contracts, site addresses, phone numbers and payment details can be among the internal files taken. If your home or business has ever used E&S Heating & Ventilation for air-handling system work, your contact information may now sit in an attacker-controlled archive. Even without exact record counts, the exposure creates immediate risk of follow-on fraud, phishing campaigns and identity theft aimed at you and your family.

Internal files exfiltrated in ransomware attacks frequently contain spreadsheets that link names, addresses, telephone numbers and sometimes bank details. Once those files circulate on criminal forums, they fuel years of targeted scams.

Doxxing and Identity-Chain Implications

Leaked internal documents rarely stop at one company. Attackers cross-reference the stolen data with other breaches to build detailed identity chains — linking your work address, personal email, phone number and family members’ names. These chains allow criminals to impersonate you more convincingly or to locate and harass relatives. Credential leaks that often accompany ransomware also cascade into account takeovers, including gaming accounts belonging to you or your children. A single exposed email-password pair from a contractor breach can unlock Steam, Roblox or Discord profiles, exposing chat logs, payment methods and location data that further enrich the attacker’s profile of your household.

RansomHouse’s Known Track Record

Public reporting attributes RansomHouse’s first significant activity to late 2021. The group has since listed dozens of victims across manufacturing, healthcare and professional services sectors. Their typical playbook involves initial access through phishing or exploited remote desktop services, followed by exfiltration of sensitive files before encryption. Rather than always deploying ransomware, they often rely on pure extortion, threatening to publish stolen data unless payment is made. The March 2023 listing of E&S Heating & Ventilation Ltd fits this pattern of targeting mid-sized industrial firms and using leak sites to pressure victims.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers and real identity, with cleanup handled by specialists.
  • Rotate any password you ever used at E&S Heating & Ventilation Ltd or related contractor portals, then enable 2FA through an authenticator app everywhere that password was reused.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Cover the entire household — DoxxScan family coverage includes dependents and children’s gaming accounts that often chain back to the same breached address or email.
  • Let remediation specialists manage takedown requests across data brokers and extortion sites on your behalf.

The incident shows how quickly a single contractor breach can feed larger identity chains that threaten your family for years. Start your DoxxScan trial today and put continuous monitoring plus hands-on remediation between your household and the next leak. GalaxyWarden’s DoxxScan combines monitoring across 13.1 billion+ breach records and over 100 platforms with AI-powered identity-chain mapping and specialist remediation support, including protection for children’s gaming accounts that frequently become targets after credential leaks like this one.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

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Report details & sourcing

Severity High
Disclosed March 01, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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