Updated: May 18, 2026
Location and Projects
Address
5131 Washburn Rd, Duluth, MN, 55803
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Design Heating LLC
Design Heating LLC, 5131 Washburn Rd, Duluth, MN holds a Plumbing license and 2 other licenses according to the Minnesota license board.
Their BuildZoom score of 108 ranks in the top 5% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Design Heating LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Design Heating LLC Services
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Design Heating LLC Contact Information
Phone Number: (218) 428-5914
Address: 5131 Washburn Rd, Duluth, MN 55803
Design Heating LLC Duluth
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Design Heating LLC has a BuildZoom score of 108, which places them above 95% of 77,973 contractors in Minnesota.
Activity
|
4 projects
|
2025 |
|
22 projects
|
2024 |
|
24 projects
|
2023 |
Our building permit records indicate that Design Heating LLC has worked on at least
50.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
4 projects
|
Home Additions |
|
38 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Design Heating LLC mostly works on
hvac project
and home addition
projects.
Pricing
|
22 projects
|
< $5k |
|
21 projects
|
$5k-$20k |
|
5 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $5,344. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
(5161 martin road) plumbing for shop
Valuation:
N/A
Permit #:
PB-P2501-0005
Status:
final
Fee:
$1,126
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2024-09-11
Install furnace air conditioning hrv and unit heaters
Valuation:
$39,518
Permit #:
BHVAC2401-082
Status:
final
Fee:
$227
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2023-03-16
Install heating system in new home
Valuation:
$20,000
Permit #:
BHVAC2208-048
Status:
final
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2023-06-28
Replace furnace and air conditioning
Valuation:
$10,000
Permit #:
BHVAC2306-113
Status:
final
Fee:
$173
Permit Type:
N/A
Building Type:
N/A
Install electric boilers
Valuation:
$30,000
Permit #:
BHVAC2304-057
Status:
final
Fee:
$674
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2024-11-18
Install furnace boiler hrv & infloor
Valuation:
$63,000
Permit #:
BHVAC2404-036
Status:
expired
Fee:
$227
Permit Type:
N/A
Building Type:
N/A
Hvac (air conditioner/fan/misc work) - 1 or 2 family dwelling
2024-02-22
Install of a new 45k btu unit heater in detached garage
Valuation:
$3,250
Permit #:
BHVAC2402-042
Status:
issued
Fee:
$71
Permit Type:
N/A
Building Type:
N/A
Install underground gas from house to new detached gas
Valuation:
$1,890
Permit #:
BGASP2402-006
Status:
final
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Hvac (air conditioner/fan/misc work) - 1 or 2 family dwelling
2023-05-03
Install new furnace/ac
Valuation:
$8,000
Permit #:
BHVAC2304-070
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2022-01-06
Install new boiler and baseboards in basement
Valuation:
$13,000
Permit #:
BHVAC2110-054
Status:
final
Fee:
$151
Permit Type:
N/A
Building Type:
N/A
Install shower relocate sink and laundry drain
Valuation:
$5,000
Permit #:
BPLUM2404-005
Status:
final
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Hvac (air conditioner/fan/misc work) - 1 or 2 family dwelling
2021-07-14
Install central air conditioning in house and minisplits in shop
Valuation:
$12,000
Permit #:
BHVAC2106-112
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Minisplit installs in lower units
Valuation:
$14,000
Permit #:
BHVAC2210-090
Status:
final
Fee:
$351
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2022-02-03
Install boilers and minisplits
Valuation:
$23,000
Permit #:
BHVAC2111-088
Status:
final
Fee:
$185
Permit Type:
N/A
Building Type:
N/A
Hvac (air conditioner/fan/misc work) - 1 or 2 family dwelling
2022-04-06
Install baseboard and bathroom venting
Valuation:
$2,000
Permit #:
BHVAC2109-076
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
New gas service
Valuation:
$1,000
Permit #:
BGASP2303-014
Status:
final
Fee:
$87
Permit Type:
N/A
Building Type:
N/A
Minsiplit install in upper unit
Valuation:
$6,000
Permit #:
BHVAC2211-001
Status:
final
Fee:
$199
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2022-08-23
Air exchanger install for new adu
Valuation:
$1,200
Permit #:
BHVAC2207-015
Status:
final
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2022-04-01
Install new furnace and ductwork
Valuation:
$7,000
Permit #:
BHVAC2109-077
Status:
final
Fee:
$185
Permit Type:
N/A
Building Type:
N/A
Hvac (air conditioner/fan/misc work) - 1 or 2 family dwelling
2021-10-15
Install minisplit air conditioning units in buildings
Valuation:
$10,000
Permit #:
BHVAC2110-066
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Design Heating LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Design Heating LLC License info
Verified License
| License # | PC715020 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Design Heating LLC at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MB715020 |
| Status | Active |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Design Heating LLC at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | R8540 |
| Status | Active |
| City | Duluth |
| Type | Hvac Cont |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Design Heating LLC with the The City of Duluth, MN
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
122
Permits
- Building permit records show that Design Heating LLC has worked on 122 permitted projects.