Solar companies and setters calling homeowners in Massachusetts work under the federal telemarketing rules plus Massachusetts's own. Here is what each one means for a solar appointment floor, with the official source for every rule.
From official sources, checked September 26, 2026. General information, not legal advice.
Massachusetts requires some telephone sellers or telemarketers to register or be licensed before calling there. Register annually with the Office of Consumer Affairs before soliciting. Check the exemptions before your floor dials Massachusetts.
201 CMR 12.04Massachusetts sets its own window: 8 a.m. to 8 p.m. It covers unsolicited telephonic sales calls to Massachusetts consumers. Set the dialer to the narrower of the state and federal windows.
Mass. Gen. Laws c. 159C, sec. 3(ii)Massachusetts keeps its own do not call list. State registry includes Massachusetts enrollees in the national registry. Scrub against it as well as the National Do Not Call Registry.
Mass. Gen. Laws c. 159C, secs. 2, 7; 201 CMR 12.03Massachusetts has its own law on automated or recorded sales calls. No unsolicited sales calls by recorded message device. It can be stricter than the federal rules.
Mass. Gen. Laws c. 159C, sec. 3(iv)Massachusetts requires the consent of all parties to record a call. Secret recording needs prior authority from all parties. Tell the homeowner the call is recorded before recording.
Mass. Gen. Laws c. 272, sec. 99(B)(4)Massachusetts keeps a state do not call registry with annual registration for telephone solicitors, bars unsolicited sales calls to consumers between 8 p.m. and 8 a.m. or by recorded message device, and bars secretly recording calls without all parties' prior authority.
The research found no Massachusetts statute written specifically for residential solar sales. General consumer and contract law still applies.
Massachusetts gives buyers 3 business days to cancel covered home solicitation sales (sales over $25). M.G.L. c. 93, 48
Checked October 14, 2026. General information, not legal advice.
Federal rules and Massachusetts's own rules both apply: the National Do Not Call Registry, the calling window, consent rules for automated calls and texts, and any Massachusetts registration requirement. The Massachusetts rules page lists each one with its source. General information, not legal advice.
Massachusetts: 8 a.m. to 8 p.m. The federal window is 8 a.m. to 9 p.m. at the homeowner's location; use the narrower one.
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