Updated: Jul 06, 2026
Location and Projects
Address
Bear, DE, 19701
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D&T Heating & Cooling, Inc
D&T Heating & Cooling, Inc, Bear, DE (Employee: Douglas Renshaw) holds a Resident Contractor license and 1 other license according to the New Castle County license board.
Their BuildZoom score of 110 ranks in the top 4% of 8,071 Delaware licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring D&T Heating & Cooling, Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
D&T Heating & Cooling, Inc Contact Information
Phone Number: (302) 838-6905
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Building Permits by D&T Heating & Cooling, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Customer converting to natural gas. we will be replacing current heat pump system with 100k natural gas furnace and 4 ton air conditioning. we will run gas line
Valuation:
N/A
Permit #:
202505285
Status:
final
Fee:
$124
Permit Type:
N/A
Building Type:
Residential
New system duct work relocation of supply and returns and building extension boxes on existing vents for kitchen remodel attached to building permit 202416307
Valuation:
N/A
Permit #:
202502955
Status:
final
Fee:
$65
Permit Type:
New construction
Building Type:
Residential
Replacement hvac unit(s) duct work replacing furnace and air conditioning. replace all supply vents in the home and adding a return to each bedroom (3) and addition supply vent to the laundry room
Valuation:
N/A
Permit #:
202513467
Status:
issued
Fee:
$90
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) replace heater and air conditioning with hybrid 20 seer variable speed heat pump and 2 stage gas furnace
Valuation:
N/A
Permit #:
202500180
Status:
final
Fee:
$84
Permit Type:
Replacement
Building Type:
Residential
Installation of 5-12k ceiling cassettes 1-15k ceiling cassette 15k ducted mini split 2 - 48k 5 port mini split outdoor units
Valuation:
N/A
Permit #:
202500583
Status:
issued
Fee:
$342
Permit Type:
N/A
Building Type:
Industrial
New system hvac unit(s) installing a 12k btu mini split to sunroom/porch addition - attached to building permit 202503282
Valuation:
N/A
Permit #:
202504246
Status:
final
Fee:
$65
Permit Type:
New construction
Building Type:
Residential
Replacing oil boiler with 95% combination boiler. removing oil boiler and tank. installing gas manifold and run a gas line from it to new combi boiler. customer already has a gas meter at the property
Valuation:
N/A
Permit #:
202415901
Status:
final
Fee:
$124
Permit Type:
N/A
Building Type:
Residential
New system hvac unit(s) installing mini split for finished basement - attached to building permit 202500890
Valuation:
N/A
Permit #:
202502000
Status:
final
Fee:
$65
Permit Type:
New construction
Building Type:
Residential
Replacement hvac unit(s) 1 water heater(s) replace boiler air conditioning and 50 gallon gas water heater
Valuation:
N/A
Permit #:
202500803
Status:
final
Fee:
$84
Permit Type:
Replacement
Building Type:
Residential
Remove oil heater and tank and install new gas furnace and air conditioning customer already has gas line to the home. we will run gas line & manifold. we will also be relocating mini split unit
Valuation:
N/A
Permit #:
202412881
Status:
final
Fee:
$79
Permit Type:
N/A
Building Type:
Residential
Install furnace and air conditioning for new construction home with new gas pipe to furnace and fireplace. furnace to be 80k 96% gas furnace and 14 seer 3-ton air conditioning. *(rev. 02/01/2022: adding generator and tankless water heater increasing service pressure to 2 psi adding 3 regulators)
Valuation:
N/A
Permit #:
202113169
Status:
final
Fee:
$140
Permit Type:
N/A
Building Type:
Exempt residential
Converting from oil to gas furnace. we will be replacing current oil furnace and air conditioning and replace with 80k natural gas furnace and 3.5 ton air conditioning. we will run gas line
Valuation:
N/A
Permit #:
202409106
Status:
final
Fee:
$250
Permit Type:
N/A
Building Type:
Residential
New system hvac unit(s) installation of new 18k mini split relocating decorative appliance and relocating existing outdoor unit for new addition to home. please attach to permit 202401401 *(rev.3/21/2024: relocate fireplace from existing home to new addition location. relocating existing fireplace to addition extending gas piping approx 20 to new location. gas piping to be 1/2 csst. r... see more
Valuation:
N/A
Permit #:
202402883
Status:
final
Fee:
$140
Permit Type:
New construction
Building Type:
Residential
Replacement hvac unit(s) 1 water heater(s) replacing furnace air conditioning and water heater
Valuation:
N/A
Permit #:
202507892
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) 1 water heater(s) replacing furnace air conditioning and water heater
Valuation:
N/A
Permit #:
202502482
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Install furnace and air conditioning for new construction home with new gas pipe to furnace and fireplace furnace to be 80k 96% gas furnace and 14 seer 3 ton air conditioning *(rev:1/25/2022 revise gas plans to addition generator)*
Valuation:
N/A
Permit #:
202115159
Status:
final
Fee:
$140
Permit Type:
N/A
Building Type:
Exempt residential
Install furnace and air conditioning for new construction home with new gas pipe to furnace and fireplace. furnace to be 80k 96% gas furnace and 14 seer 3-ton a/c.*( rev. 1/20/2022: to addition generator and tankless water heater)*
Valuation:
N/A
Permit #:
202113168
Status:
final
Fee:
$140
Permit Type:
N/A
Building Type:
Exempt residential
Replacement hvac unit(s) replace ductless mini split system - 2-12k indoor units and 1 - 24k 3 zone outdoor unit - like for like replacement
Valuation:
N/A
Permit #:
202510013
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
New system hvac unit(s) installing a 4 ton ductleess mini split system to each building c
Valuation:
N/A
Permit #:
202505411
Status:
final
Fee:
$65
Permit Type:
New construction
Building Type:
Industrial
New system hvac unit(s) installing a 4 ton ductless mini split system to each building a
Valuation:
N/A
Permit #:
202504987
Status:
final
Fee:
$197
Permit Type:
New construction
Building Type:
Industrial
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D&T Heating & Cooling, Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
D&T Heating & Cooling, Inc License info
Verified License
| License # | 2003106096 |
| Status | Active |
| State | New Castle County |
| Type | Resident Contractor |
| Date Issued | 01-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for D&T Heating & Cooling, Inc at the State of Delaware Department of Finance: Division of Revenue.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PA076195 |
| Status | Active |
| State | Pennsylvania |
- BuildZoom has not verified this license since January, 2025.
Verify this license's status for D&T Heating & Cooling, Inc at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Insured
| Insurer | St Goode Insurance |
| Insured up to | $3,000,000 |
1.6K
Permits
- Building permit records show that D&T Heating & Cooling, Inc has worked on 1577 permitted projects.
D&T Heating & Cooling, Inc Employees
DR
Douglas Renshaw
President