# Mass Save Suspends Contractor for Rebate Fraud

Massachusetts' Mass Save program has suspended MWD Heating & Air Conditioning and its owner Mark Dyszczyk following allegations of submitting nearly $8 million in improper rebate claims for heat pumps that were never installed, improperly installed, or later removed. The utilities managing Mass Save, including Eversource Energy, National Grid, Liberty Utilities, Unitil, and Cape Light Compact JPE, have filed a civil suit seeking recovery of funds. This case highlights significant fraud risks within energy-efficiency rebate programs amid increased legislative scrutiny and spending in Massachusetts.

- Procurement professionals should be aware of heightened oversight and potential suspension risks for contractors involved in rebate programs
- Utilities and program administrators may increase verification and compliance requirements to mitigate fraud exposure
- Contractors should ensure rigorous documentation and installation verification to maintain eligibility for rebate programs
- This development signals increased legislative and legal attention on energy-efficiency program integrity, affecting future contract awards and program participation

**Jurisdictions:** sled
**Industries:** Energy & Utilities
**Topics:** Regulatory Compliance
**Published:** September 22, 2026

### Government Entities
- Eversource Energy
- Liberty Utilities
- National Grid
- Unitil
- Cape Light Compact JPE

### Vendors
- MWD Heating & Air Conditioning (prime contractor)

### Sources
- [Mass Save contractor accused in suit of massive heat-pump ripoff scheme](https://www.bostonglobe.com/2026/09/22/metro/mass-save-fraud-contractor-8-million) - The Boston Globe