Design Heating LLC
Plumbing, HVAC · Duluth, MN
License
| Number | Record | Type | Status | First issued | Expires |
|---|---|---|---|---|---|
| PC715020 | license | Plumbing Contractor | Issued | 08/11/2020 | 12/31/2027 |
| MB715020 | mechanical contractor bond | Mechanical Contractor Bond | Issued | 10/07/2016 | 09/12/2028 |
Source: Minnesota Department of Labor and Industry (MN DLI) public data, dated November 12, 2026. Confirm on the official MN DLI lookup.
Contact and details
- Location
- 5131 Washburn Rd, Duluth, MN 55803
- Phone
- (218) 525-5914
- Website
- designheating.net
- Rating
- 4.9 stars from 125 reviews, per Google, November 12, 2026. See the listing on Google
- Services
- high-efficiency boiler installation, fuel oil to gas conversions, infloor radiant heat, panel radiators, geothermal heat pump installation, furnace replacement, central air conditioning, ductless mini-split installation, boiler service and repair
- Towns served
- Duluth, Hermantown, Proctor, Cloquet, Two Harbors, Pike Lake, Esko, Carlton
- Free estimates
- Yes
- In business
- 10+ years
- Source
- Services, towns and estimates are as stated on the business's own website, read November 12, 2026.
- Last checked
- November 12, 2026
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