There are two different types of warranty, manufactures and installation. The Lift Master Chain Drive operator comes with a 4-year motor warranty. The Lift Master Belt Drive operator comes with a lifetime motor and belt warranty. Both operators also has a 1-year warranty on all other parts. The Lift Master Residential Jack-shaft operator comes with a 5-year lifetime motor warranty and also has a 5-year warranty on all other parts.

Stewart Overhead Door warrants its labour for ninety (90) days from the date that the installation.