Strauss Borrelli PLLC, a leading data breach law firm, is investigating Thornton Plumbing and Heating, Inc. (“TPH”) regarding its recent data breach. The TPH data breach involved sensitive personal information belonging to an undetermined number of individuals.
ABOUT THORNTON PLUMBING AND HEATING, INC.:
TPH is a plumbing and heating construction company based in Utah. Founded in 1933, TPH provides a range of plumbing and heating services for residential and commercial customers, including radiant floor heating systems, snowmelt systems, boilers, maintenance and repairs, and more.2,3 Headquartered in Midvale, Utah, TPH employs over 2 individuals.3
WHAT HAPPENED?
Recently, TPH reported to the Attorney General of Vermont that it had experienced a data breach in which sensitive personal identifiable information in its care may have been compromised. According to the breach notice, on November 12, 2025, TPH detected a network disruption.1 As a result, TPH launched an investigation to determine the nature of the incident.
Through its investigation, TPH confirmed that sensitive personal information in its network may have been accessed and acquired by an unauthorized third party during the breach. As a result, TPH began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. On January 8, 2026, TPH completed this review. The exact type of personal information potentially exposed has not been made publicly available by TPH. However, according to Vermont state reporting guidelines, “personal information” can include the following types of information:
- Name
- Social Security number
- Driver’s license or other government issued ID card numbers (e.g., individual taxpayer ID number, passport number, military ID card number)
- Financial account number or credit or debit card number
- Unique biometric data (e.g., fingerprint, retina or iris image, or other unique biometric representation)
- Genetic information
- Health record or records of a wellness program or similar program of health promotion or disease prevention (e.g., healthcare professional’s medical diagnosis or treatment of the consumer, health insurance policy number)
As a result of the breach, TPH began mailing data breach notification letters to impacted individuals. Based on the breach notice sent to Vermont residents, TPH is providing affected individuals with a list of the specific types of sensitive information impacted and 12 months of complimentary credit monitoring services. A link to the form breach notification letters that TPH filed with the Attorney General of Vermont is below.
If you received a breach notification letter from Thornton Plumbing and Heating, Inc.:
We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at 872.263.1100 or sam@straussborrelli.com.
