Updated: May 22, 2026
Location and Projects
Address
631 PIEDMONT AVE, Duluth, MN, 55806
Use our bidding system to
request a quote
All Service Heating LLC
All Service Heating LLC, 631 Piedmont Ave, Duluth, MN holds a Mechanical Contractor Bond license and 2 other licenses according to the Minnesota license board.
Their BuildZoom score of 105 ranks in the top 8% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring All Service Heating LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
All Service Heating LLC Contact Information
Phone Number: (218) 260-3133
Edit
Address: 631 PIEDMONT AVE, Duluth, MN 55806
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
All Service Heating LLC Duluth
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
All Service Heating LLC has a BuildZoom score of 105, which places them above 92% of 77,973 contractors in Minnesota.
Activity
|
7 projects
|
2025 |
|
18 projects
|
2024 |
|
18 projects
|
2023 |
Our building permit records indicate that All Service Heating LLC has worked on at least
43.0 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
|
25 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that All Service Heating LLC mostly works on
hvac project
projects.
Pricing
|
33 projects
|
< $5k |
|
10 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
The typical size of their permits is approximately $3,500. 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.
Building Permits by All Service Heating LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Hvac (alteration of existing system) - commercial & 3+ multi-family
2025-09-09
Install new furnaces in mechanical room and modify ductwork for office space building out
Valuation:
$22,000
Permit #:
CSHVACC-2509-0118
Status:
triage
Fee:
$521
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2023-11-16
Install new combi boiler and seperate existing heating lines each apartment with have its own boiler
Valuation:
$6,500
Permit #:
BHVAC2306-028
Status:
final
Fee:
$173
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2023-11-16
Replace existing boiler
Valuation:
$5,000
Permit #:
BHVAC2306-027
Status:
final
Fee:
$173
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - commercial & 3+ multi-family
2023-04-11
Replace empire wall furnace. like for like replacement - furnace is in the upper left unit only
Valuation:
$2,500
Permit #:
BHVAC2304-023
Status:
final
Fee:
$152
Permit Type:
N/A
Building Type:
N/A
Boiler replacement
Valuation:
$5,000
Permit #:
BHVAC2303-098
Status:
final
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2023-11-03
Furnace replacement
Valuation:
$3,500
Permit #:
BHVAC2305-034
Status:
issued
Fee:
$173
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2023-04-19
Boiler replacement
Valuation:
$4,500
Permit #:
BHVAC2304-051
Status:
issued
Fee:
$173
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2022-11-23
Install boiler in existing pole building
Valuation:
$3,500
Permit #:
BHVAC2210-004
Status:
final
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
Run new gas line to existing pole building
Valuation:
$800
Permit #:
BGASP2210-006
Status:
final
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
Gas piping to new gas furnace
Valuation:
$1,500
Permit #:
CSGASR-2509-0100
Status:
complete
Fee:
$101
Permit Type:
N/A
Building Type:
N/A
S00047.832 - medical arts building relocate existing 3 phase feeders for new elevator equipment upgrades
Valuation:
$15,800
Permit #:
BELEC2401-021
Status:
expired
Fee:
$417
Permit Type:
N/A
Building Type:
N/A
Install fireplace in new home
Valuation:
$2,500
Permit #:
BHVAC2211-029
Status:
final
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2023-05-31
Hvac system for new home
Valuation:
$9,500
Permit #:
BHVAC2210-053
Status:
final
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
Install fireplace in new home
Valuation:
$2,500
Permit #:
BHVAC2206-116
Status:
final
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2022-11-16
Hvac system for new home
Valuation:
$9,500
Permit #:
BHVAC2206-111
Status:
final
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
Install fireplace in new home
Valuation:
$3,000
Permit #:
BHVAC2205-041
Status:
final
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2022-08-10
Hvac system for new home
Valuation:
$9,500
Permit #:
BHVAC2204-006
Status:
final
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
Furnace replacement
Valuation:
$7,000
Permit #:
BHVAC2212-006
Status:
final
Fee:
$161
Permit Type:
Furnace or boiler...
Building Type:
N/A
Gas piping pressure test
Valuation:
$800
Permit #:
BGASP2211-045
Status:
final
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
Plumbing for new house
Valuation:
$9,500
Permit #:
BPLUM2209-099
Status:
final
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
111
BZ Score
$1.5K
Avg Project
-
Projects
111
BZ Score
$7.5K
Avg Project
-
Projects
License # BT060717
Duluth, MN
112
BZ Score
$2K
Avg Project
-
Projects
All Service Heating LLC Reviews
BuildZoom hasn't received any reviews for All Service Heating LLC. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
All Service Heating LLC License info
Verified License
| License # | MB648159 |
| Status | Active |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for All Service 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 # | PC648160 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for All Service 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 # | R2706 |
| Status | Active |
| City | Duluth |
| Type | Plumb & Hvac Con |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of All Service Heating LLC with the The City of Duluth, MN
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
625
Permits
- Building permit records show that All Service Heating LLC has worked on 625 permitted projects.