Updated: Apr 27, 2026
Location and Projects
Address
3 Gregg Ave, Wilmington, DE, 19804
Use our bidding system to
request a quote
William J Hensel HVAC/Mechanical Contractor
William J Hensel at 3 Gregg Ave, Wilmington, DE 19804, held a HVAC/Mechanical Contractor license (#HM-0000828) with the Delaware contractors license board with an expiration date of 10-31-2018. We last verified the license was expired on 04-26-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 8,071 Delaware contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
William J Hensel Contact Information
Address: 3 Gregg Ave, Wilmington, DE 19804
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace heater and upgrade air conditioner from 1.5 ton to 3 ton for office fit-out. gas line existing. no changes in btu's
Valuation:
N/A
Permit #:
200908720
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
Commercial
Install ventless gas fireplace in addition. run gas line in tray pipe approximately 30 from gas main in basement near heater
Valuation:
N/A
Permit #:
200909049
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
Residential
Install customer supplied boilers and piping.*(4/2/08 revision to plan to clarify combustion air opening and room layout)*
Valuation:
N/A
Permit #:
200800425
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
Apartment
Run new gas lines from meter to heater. change out old oil furnace and air conditioning with new gas furnace and air conditioning
Valuation:
N/A
Permit #:
200713953
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Install 2 -6 heat leads from existing trunk from basement to addition. also install 1/2 gas pipe for fireplace approximately 15
Valuation:
N/A
Permit #:
200714866
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Replace old heat pump with gas furnace and air conditioning. run new gas line in csst and black iron
Valuation:
N/A
Permit #:
200905702
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Commercial
Install two wall air conditioning heat units at 9000 btu air conditioning and 8000 btu heat with one outdoor unit
Valuation:
N/A
Permit #:
200810267
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Addition ductwork and heat pump to new addition. wrap ductwork in crawl space to r 8.0
Valuation:
N/A
Permit #:
200909989
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
Residential
Install ductwork for fit-out three 5 ton air conditioning units three 115, 000 btu furnaces
Valuation:
N/A
Permit #:
200803886
Status:
final
Fee:
$107
Permit Type:
N/A
Building Type:
Commercial
Extend four heat leads in basement from ceiling to floor and one return duct
Valuation:
N/A
Permit #:
200812910
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Addition 2 ton heat pump for upstairs addition and necessary duct work
Valuation:
N/A
Permit #:
200812978
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Addition heat leads in basement from existing heater
Valuation:
N/A
Permit #:
200803321
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Install gas piping to four hanging heaters
Valuation:
N/A
Permit #:
200900796
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Industrial
New system hvac unit(s) duct work gas test
Valuation:
N/A
Permit #:
200903923
Status:
final
Fee:
$75
Permit Type:
New construction
Building Type:
Industrial
Install new oil heater and new air conditioning heat pump
Valuation:
N/A
Permit #:
200812279
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Install four heat leads in basement 6
Valuation:
N/A
Permit #:
200900153
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Gas test only. re-test old gas service
Valuation:
N/A
Permit #:
200812283
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Industrial
New system hvac unit(s) duct work
Valuation:
N/A
Permit #:
200907315
Status:
final
Fee:
$60
Permit Type:
New construction
Building Type:
Residential
Extend ductwork to addition
Valuation:
N/A
Permit #:
200907351
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
Residential
R & r oil furnace & air conditioning system
Valuation:
N/A
Permit #:
200808846
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Residential
Similar Contractors See more
113
BZ Score
-
Avg Project
-
Projects
113
BZ Score
-
Avg Project
-
Projects
License # HM-0000114
Newark, DE
111
BZ Score
-
Avg Project
-
Projects
William J Hensel Reviews
BuildZoom hasn't received any reviews for William J Hensel. 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.
William J Hensel License info
Inactive License
| License # | HM-0000828 |
| Status | Inactive |
| State | Delaware |
| Type | Hvacr |
| Business Type | Individual |
- According to the State of Delaware, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for William J Hensel at the State of Delaware.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are William J Hensel, click “This is My Business” to update your information.
19
Permits
- Building permit records show that William J Hensel has worked on 19 permitted projects.
William J Hensel Employees
WH
William J Hensel
Applicant