# Design Heating LLC Design Heating LLC is listed in Duluth, MN, United States. Confirm current details with the business and the licensing agency. Design Heating LLC appears on the Minnesota Department of Labor and Industry register (Plumbing Contractor), with an address in Duluth, MN. ## Details - Address: 5131 Washburn Rd, Duluth, MN, 55803, United States - Phone: [12184285914]() - Website: [www.designheating.net/]() - Source licence number: PC715020 - Licensing agency: Minnesota Department of Labor and Industry - Source of listing data: Minnesota Department of Labor and Industry, https://secure.doli.state.mn.us/ccld/data/MNDLILicRegCertExport\_Plumbing.csv, fetched 2026-11-10. Website, street address, map pin from Overture Maps Places (CDLA-Permissive-2.0, release 2026-10-21.0). ## Questions ### Where is Design Heating LLC? Design Heating LLC is at 5131 Washburn Rd, Duluth, MN, 55803, United States. ### How do I contact Design Heating LLC? To contact Design Heating LLC, call 12184285914 or visit https://www.designheating.net/. ## Source From [Public licence registers and member directories](https://secure.doli.state.mn.us/ccld/data/MNDLILicRegCertExport_Plumbing.csv), license Mixed source terms: Washington PDDL; Colorado Public Domain; Open Government Licence – Toronto; other public registers: no reuse licence stated; member directories: copyright, no open reuse licence identified, checked 2026-11-11. Last updated November 11, 2026. ## Links - This plumber on the [web page]() - [Plumbing repair in Duluth]() - [More plumbers in Duluth]()