Design Heating, LLC
Duluth, MN HVAC · #2 of 4 · 10+ yrs
Design Heating, LLC as a HVAC provider
Duluth, MN HVAC · #2 of 4 · 10+ yrs
Design Heating leads with certified geothermal design and IGSHPA-accredited installation expertise.
Hydronic and geothermal heating design and installation focused on Duluth-area homes and retrofits. CGD-certified geothermal designer and IGSHPA-accredited installer per their site. Manual J sizing on every project, computed room-by-room for accurate equipment selection. Free estimates and financing options are advertised for eligible projects.
| Signal | Design Heating, LLC | Duluth avg | Delta |
|---|---|---|---|
| Vouched Score | 73/100 | 72/100 | +1 vs avg |
| Google rating | 4.9★ | 4.8★ | +0.1 vs avg |
| Review volume | 110+ | 90+ | +19 vs avg |
| Years in business | 10+ | 14+ | -4 vs avg |
- High Google rating (4.9★ across 110+ reviews)
- Long-established (10+ years in business)
- NATE-certified technicians
- Emergency response: 24/7
- Financing available
- Free estimates
- Specializes in geothermal
- You need to finance the work
- You want NATE-certified technicians
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Design Heating, LLC (this company) |
73/100 | 4.9★ (110+) | 10+ | — | — | Geothermal |
| 71/100 | 5.0★ (80+) | 5+ | — | — | — | |
| 74/100 | 4.9★ (115+) | 30+ | — | — | — | |
| 68/100 | 4.6★ (65+) | 12+ | — | — | Heat Pumps |
Company-wide signals
True across every category below.
ERV/HRV ventilation work is highlighted, with named system installs and rebate support. Design Heating lists IGSHPA accreditation and Certified Geothermal Designer credentials. Manual J sizing is performed on every system, per their site. Design Heating notes financing options including 0% APR and free estimates. Duluth's long, cold winters make measured ventilation and efficient heat recovery especially relevant here.
Geothermal specialist with IGSHPA accreditation and CGD-certified design, per their site. Design Heating states they run ACCA Manual J calculations on every system. The company notes owner-operated service and 10+ years in business in Duluth. Design Heating advertises financing options, including 0% APR offers. Reviews praise thorough commissioning and prompt, same-week scheduling.
Choose them for Heat Pump Installation if
- You need geothermal heat pump installation
- You need heat pump replacement
- You need cold-climate heat pump installation
Design Heating lists ductless mini-split installations with cold-climate Hyper-Heat capability. Design Heating states they run computerized ACCA Manual J load calculations on every system. Design Heating notes NATE-certified technicians and in-house crews install projects end-to-end. Design Heating says financing is available, and free estimates follow a design consultation. Design Heating is owner-operated in Duluth, serving Twin Ports winter heating needs.
ac replacement work is a routine offering, with Manual J sizing on every system. Design Heating lists NATE-certified technicians and IGSHPA credentials. Owner-operated in Duluth, they note experience with cold-climate loads and local rebate programs. The website advertises free estimates, 0% APR financing, and documented commissioning for installs.
Choose them for AC Replacement if
- You need same-day AC replacement
Design Heating advertises 24/7 emergency AC service and same-day repair availability. NATE-certified technicians appear in their online directory. Offers free estimates and 0% APR financing, per their site. Works with Minnesota Power rebate programs for Duluth-area projects. Owner-operated Duluth shop founded 2016, showing 10+ years in business.
Choose them for Emergency AC Repair if
- You need same-day AC repair
- You need after-hours AC repair
Design Heating leads with engineered, high-efficiency heating system work and matched equipment choices. The company states they run computerized ACCA Manual J calculations on every project. Design Heating lists NATE affiliation and combustion analysis for commissioned installs. As an owner-operated Duluth firm, they note experience with Minnesota Power rebates and cold-climate sizing. Reviews describe engineered installs and prompt, same-week scheduling when possible.
Choose them for Furnace Replacement if
- You need same-day furnace replacement
AC repair focus led by engineered diagnostics, per their site. NATE certification appears in their credential list. Design Heating notes ACCA Manual J sizing on every system. Design Heating ties services to Duluth's cold winters and Twin Ports building stock. Reviews cite fast diagnostics and thorough commissioning documentation.
Choose them for AC Repair if
- You need AC tune-up & maintenance
- You need commercial AC repair
- You have a commercial property
Design Heating leads with NATE-listed technicians and geothermal credentials per their site. Manual J sizing is used for every system design. Combustion analysis and commissioning are documented for manufacturer warranties. Design Heating notes 10+ years serving Duluth's cold winters and Twin Ports neighborhoods. Reviews cite fast diagnosis and thorough project follow-through.
Choose them for Furnace Repair if
- You need gas furnace & combustion repair
- You need furnace tune-up & maintenance
What customers say
Services
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Published pricing
Financing
-
0% financing
As published: 0% financing"…Cold-climate heating know-how Financing & Rebates 0% APR · MN rebates · IRA tax credits See Where We Work…"
Estimates
-
Free estimates
As published: Free estimates"…IRA tax credits See Where We Work → About Contact Free Estimate Home Services High-Efficiency Boilers Infloor Rad…"
Guarantees & credentials
- Licensed
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
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Profile last updated July 27, 2026.