Solar companies and setters calling homeowners in Illinois work under the federal telemarketing rules plus Illinois'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.
The research found no Illinois telemarketer registration requirement in the statutes it reviewed. No telemarketer registration in Illinois telephone solicitation or dialer acts. Confirm before dialing.
815 ILCS 305 and 815 ILCS 413 reviewedIllinois sets its own window: 8 a.m. to 9 p.m.; recorded message autodialers from 9 a.m. It covers live operator sales calls; autodialer rule covers recorded message calls. Set the dialer to the narrower of the state and federal windows.
815 ILCS 413/15(a); 815 ILCS 305/15(a)The research found no separate Illinois do not call list. State registry repealed 2018; Attorney General points to national registry. The National Do Not Call Registry still applies.
815 ILCS 402 (repealed by P.A. 100-621); Illinois Attorney General fact sheetIllinois has its own law on automated or recorded sales calls. Autodialer recorded sales messages need the called party's consent. It can be stricter than the federal rules.
815 ILCS 305/30(b)Illinois requires the consent of all parties to record a call. Surreptitious recording of private conversations needs all parties' consent. Tell the homeowner the call is recorded before recording.
720 ILCS 5/14-2(a)(2)Illinois limits live telephone sales calls to 8 a.m. to 9 p.m., limits recorded message autodialer calls to 9 a.m. to 9 p.m., points residents to the National Do Not Call Registry, and bars secretly recording private conversations without all parties' consent.
The research found no Illinois statute written specifically for residential solar sales. General consumer and contract law still applies.
Illinois gives buyers 3 business days to cancel covered home solicitation sales (sales of $25 or more made at the buyer's home). The Illinois Attorney General says buyers 65 or older get 15 business days to cancel home repair or remodeling sold at home by an uninvited solicitor. Whether a solar sale counts as home repair depends on the facts. 815 ILCS 505/2B
Checked October 14, 2026. General information, not legal advice.
Federal rules and Illinois's own rules both apply: the National Do Not Call Registry, the calling window, consent rules for automated calls and texts, and any Illinois registration requirement. The Illinois rules page lists each one with its source. General information, not legal advice.
Illinois: 8 a.m. to 9 p.m.; recorded message autodialers from 9 a.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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