Home Builder The Jonas Homebuilder Module is generally used by: Residential Electrical, HVAC, Plumbing and Carpentry Contractors. Key Features: Model template allows users to fill in key information for a particular job. Easy to create each lot, including the extras for each model. Lot Status screen shows the dispatcher the status of each model and is able to assign work as required. Enter "Certificate of Completion" information received from the field in the Billings screen. Print status reports directly from the Billings screen. View or print lot information, work tickets and cost sheets. Option to print invoices for all or selected lots by project, customers and preliminary or actual update. View or reprint invoices already printed. Warranty Inquiry screen allows you to retrieve information pertaining to a specific civic address.