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Location and Projects

Address
1555 Glebe Road, Wilmington, DE, 19808
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Hentkowski HVAC/Mechanical Contractor

Hentkowski Inc, 1555 Glebe Rd, Wilmington, DE (Owned by: Marilyn S. Hentkowski) holds a Resident Contractor license and 5 other licenses according to the New Castle County license board.

Their BuildZoom score of 89 does not rank in the top 50% of Delaware contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Hentkowski Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Hentkowski Inc Services

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Hentkowski Inc Contact Information

Phone: (302) 998-2257 Edit
Address: 1555 Glebe Road, Wilmington, DE 19808 Edit

Hentkowski Inc Reviews
1 out of 5 stars, based on 1 review

  • By Anonymous
    August 3, 2017
    Verified Hire

    Hentkowski Inc is horrible, I would never use them again.
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Building Permits by Hentkowski Inc

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Hvac permit
5424 Crestline Rd, Wilmington, DE, 19808
2025-05-30
Replacement gas test install new gas line from the gas meter location. install a 1 manifold just inside the basement with 1 1 tee 2 3/4 tees. the 1 and second 3/4a": tee's are for future use. install a new 3/4 ccst gas line from the manifold to the new gas stove
Valuation:
N/A
Permit #:
202502479
Status:
final
Fee:
$65
Permit Type:
New construction
Building Type:
Residential
Hvac permit
1203 Barley Mill Rd, Wilmington, DE, 19807
2025-09-12
Replacement hvac unit(s) remove the existing kitchen air conditioning unit and evaporator coil. replace with new evaporator coil and air conditioning unit in the same locations. reconnect to the existing ductwork refrigeration piping and electric. like for like replacement
Valuation:
N/A
Permit #:
202510790
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
5 E Periwinkle Ln, Newark, DE, 19711
2025-07-22
Replacement 1 water heater(s) remove the existing power vented water heater. install a heat pump water heater in type same location. install expansion tank and auxialry drain pan. drain line to sump pit
Valuation:
N/A
Permit #:
202506334
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
318 Robinson Ln, Wilmington, DE, 19805
2025-02-05
Replacement hvac unit(s) remove the existing gas furnace and install the new gas furnace in the same location reconnect to the existing gas piping and line voltage. install new flue connector
Valuation:
N/A
Permit #:
202501394
Status:
issued
Fee:
$245
Permit Type:
Replacement
Building Type:
Commercial
Hvac permit
301 Pentland Dr, Wilmington, DE, 19807
2025-02-28
Replacement hvac unit(s) remove the existing 3-ton attic mounted split system heat pump. install new carrier 3-ton heat pump equipment in the same locations. like for like replacement
Valuation:
N/A
Permit #:
202501510
Status:
final
Fee:
$90
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
5601 Concord Pike, Wilmington, DE, 19803
2025-01-15
Replacement hvac unit(s) remove an existing 6.5 tom packaged heat pump and install a new york 6.5 ton packaged heat pump on the existing roof curb. reconnect to the existing electric
Valuation:
N/A
Permit #:
202416575
Status:
final
Fee:
$126
Permit Type:
Replacement
Building Type:
Commercial
Hvac permit
208 Philadelphia Pike, Wilmington, DE, 19809
2025-08-15
Replacement hvac unit(s) remove the existing ductless mini-split heat pump and (3) high wall indoor evaporators. replace in the same locations :like for like replacement
Valuation:
N/A
Permit #:
202507021
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
1221 Pecksniff Rd, Wilmington, DE, 19808
2025-03-06
Replacement 1 water heater(s) remove the existing electric water heater. install a heat pump water heater in the same location with an auxialry drain pan and expansion tank
Valuation:
N/A
Permit #:
202502433
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
114 Seneca Dr, Newark, DE, 19702
2025-10-13
Replacement hvac unit(s) remove the existing oil furnace and oil tank. install a new gas furnace and new gas piping. install the new furnace in the same location re-use the existing air conditioning equipment
Valuation:
N/A
Permit #:
202513062
Status:
issued
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
200 Highland Blvd, New Castle, DE, 19720
2025-05-02
Replacement hvac unit(s) remove the existing 2-ton split system air conditioning equipment and replace in the same locations. like for like replacement
Valuation:
N/A
Permit #:
202505071
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
26 Kings Grant Rd, Hockessin, DE, 19707
2025-02-07
Replacement hvac unit(s) remove the existing 4-ton heat pump and evaporator coil. replace in kind in the same locations. re-use the existing gas furnace
Valuation:
N/A
Permit #:
202501371
Status:
final
Fee:
$69
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
2610 Bardell Dr, Wilmington, DE, 19808
2024-10-25
Replacement gas test hydronic(boiler/radiant) remove the existing oil fired warm water boiler and the boil tank and related piping. install a high efficiency gas fired warm water boiler (wall mounted). install new steel gas line as shown on the submitted drawing. leave a tee for future w/h
Valuation:
N/A
Permit #:
202412074
Status:
final
Fee:
$69
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
850 Mt Lebanon Rd, Wilmington, DE, 19803
2024-09-05
Replacement hvac unit(s) gas test remove the existing oil boiler and replace with natural gas fired equipment. remove the existing electric water heater. removal of the oil tanks will be done by taylor oil. install new gas boilers (2) and gas furnaces (2) with air conditioning
Valuation:
N/A
Permit #:
202403680
Status:
final
Fee:
$457
Permit Type:
Replacement
Building Type:
Exempt commercial
Hvac permit
155 Riverview Dr, New Castle, DE, 19720
2024-03-06
Replacement hvac unit(s) 1 water heater(s) remove the existing high efficiency gas furnace and replace like for like in the same location. remove the existing 50 gallon gas water heater and replace like for like in the same location. install an expansion tank and a 4 chimney liner
Valuation:
N/A
Permit #:
202401703
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
4505 Weldin Rd, Wilmington, DE, 19803
2023-06-09
Replacement hvac unit(s) remove the existing oil fired warm air furnace and 4 ton air conditioning system. install a 4-ton geostar geothermal system. reconnect to the existing supply and return duct work in the basement. remove the existing basement mounted oil tank and related piping
Valuation:
N/A
Permit #:
202300366
Status:
final
Fee:
$126
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
301 Pentland Dr, Wilmington, DE, 19807
2025-04-16
Replacement 1 water heater(s) remove the existing power vented water heater and replace. like for like replacement. install expansion tank
Valuation:
N/A
Permit #:
202504616
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
301 Snuff Mill Rd, Wilmington, DE, 19807
2025-02-10
Replacement hvac unit(s) remove the existing second floor split system heat pump and replace in the same locations. like for like replacement
Valuation:
N/A
Permit #:
202500707
Status:
final
Fee:
$116
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
21 Springbrook Ln, Newark, DE, 19711
2024-07-09
Replacement 1 water heater(s) remove the existing 50 gallon gas water heater and replace in kind in the same location. reconnect to the existing hot & cold water lines gas piping and venting. install a code required expansion tank
Valuation:
N/A
Permit #:
202405582
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
465 Sweetman Dr, Bear, DE, 19701
2025-06-17
Replacement hvac unit(s) remove the existing gas furnace and air conditioning unit. install a new high efficiency gas furnace with a heat pump. install in the same locations
Valuation:
N/A
Permit #:
202506665
Status:
final
Fee:
$90
Permit Type:
Replacement
Building Type:
Residential
Hvac permit
4100 Dawnbrook Dr, Wilmington, DE, 19804
2025-02-26
Replacement hvac unit(s) disconnect and remove the existing 3-ton split system heat pump. replace in kind in the same locations
Valuation:
N/A
Permit #:
202501462
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Commercial

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