Updated: Nov 06, 2025
Location and Projects
Address
Middletown, DE, 19709
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Miller Heating & Cooling LLC
Miller Heating & Cooling LLC at Middletown, DE 19709, held a HVAC/Mechanical Contractor license (#2008603903) with the New Castle County contractors license board with an expiration date of 12-31-2022. We last verified the license was expired on 11-05-2025.
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.
Miller Heating & Cooling LLC Contact Information
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Building Permits by Miller Heating & Cooling LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
New plumbing 3 fixtures basement bathroom rough in and grinder pump. existing home. please addition to customer permit 202203316
Valuation:
N/A
Permit #:
202203445
Status:
final
Fee:
$65
Permit Type:
New construction
Building Type:
Residential
Replacement hvac unit(s) gas test: running gas line for oil to gas conversion with furnace and air conditioning replacement
Valuation:
N/A
Permit #:
202000230
Status:
final
Fee:
$174
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) 1 water heater(s) like for like replacement of air conditioning furnace and water heater
Valuation:
N/A
Permit #:
202215990
Status:
final
Fee:
$95
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) 1 water heater(s) like for like replacement of air conditioning furnace and water heater
Valuation:
N/A
Permit #:
202214006
Status:
final
Fee:
$84
Permit Type:
Replacement
Building Type:
Residential
New plumbing inside underground plumbing 3 fixtures 3 water service basement bathroom rough in and underground
Valuation:
N/A
Permit #:
202216154
Status:
issued
Fee:
$120
Permit Type:
New construction
Building Type:
Residential
New plumbing gas test installation of gas line for heater supplied by pool company attached to permit 202207830
Valuation:
N/A
Permit #:
202212712
Status:
final
Fee:
$120
Permit Type:
New construction
Building Type:
Residential
Duct work added three supply vents and three return vents to basement area adding to permitt #202202664
Valuation:
N/A
Permit #:
202204522
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) gas test install a gas furnace and air conditioning with new gas lines
Valuation:
N/A
Permit #:
202201178
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) gas test hydronic(boiler/radiant): running gasline and replacing boiler
Valuation:
N/A
Permit #:
202105705
Status:
final
Fee:
$245
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) replacing current air conditioning and oil furnace with a heat pump
Valuation:
N/A
Permit #:
202208892
Status:
final
Fee:
$74
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) like for like air conditioning & natural gas furnace replacement
Valuation:
N/A
Permit #:
202208825
Status:
final
Fee:
$74
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) like for like hvac replacement of air conditioning & ng furnace
Valuation:
N/A
Permit #:
202208496
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) replacement like for like replacement air conditioning & ng furnace
Valuation:
N/A
Permit #:
202203125
Status:
final
Fee:
$74
Permit Type:
Replacement
Building Type:
Residential
Replacement 1 water heater(s) like for like replacement of air conditioning and furnace
Valuation:
N/A
Permit #:
202215899
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) like for like hvac air conditioning & ng furnace replacement
Valuation:
N/A
Permit #:
202212747
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) like for like replacement of air conditioning & ng furnace
Valuation:
N/A
Permit #:
202203189
Status:
final
Fee:
$65
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) gas test replace furnace air conditioning and install gas line
Valuation:
N/A
Permit #:
202201172
Status:
final
Fee:
$105
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) like for like replacement of air conditioning and furance
Valuation:
N/A
Permit #:
202215744
Status:
final
Fee:
$69
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) like for like replacement of air conditioning and furnace
Valuation:
N/A
Permit #:
202214686
Status:
final
Fee:
$69
Permit Type:
Replacement
Building Type:
Residential
Replacement hvac unit(s) like for like replacement of heat pump and air handler
Valuation:
N/A
Permit #:
202214283
Status:
final
Fee:
$84
Permit Type:
Replacement
Building Type:
Residential
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Miller Heating & Cooling LLC Reviews
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Miller Heating & Cooling LLC License info
Inactive License
| License # | 2008603903 |
| Status | Inactive |
| State | New Castle County |
| Type | Resident Contractor |
- According to the State of Delaware Department of Finance: Division of Revenue, 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 Miller Heating & Cooling LLC 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.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Miller Heating & Cooling LLC, click “This is My Business” to update your information.
454
Permits
- Building permit records show that Miller Heating & Cooling LLC has worked on 454 permitted projects.