Updated: Jun 04, 2026
Location and Projects
Address
525 HERITAGE DR, Aurora, IL, 60507
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Energy Specialists of Il Construction
Serving Aurora, Illinois, and the surrounding area, Energy Specialists of IL delivers insulation and weatherization solutions for residential and commercial properties. Established in 2005, the company has nearly two decades of experience improving energy efficiency throughout Chicagoland communities. Their services address a range of project types, including attic insulation, crawl space sealing, wall insulation, and energy-efficient retrofits for existing structures. Energy Specialists of IL works with property owners to identify heat loss and air leakage issues, recommending tailored insulation upgrades to reduce utility costs and improve comfort. The firm’s approach emphasizes the use of proven insulation materials and modern installation methods designed to meet local building codes and energy standards. In addition to retrofit projects, they provide insulation services for new construction and remodeling contractors.
Energy Specialists of Il Services
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Energy Specialists of Il Contact Information
Phone Number: (630) 303-7693
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Address: 525 HERITAGE DR, AURORA, IL 60507
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Building Permits by Energy Specialists of Il
This is a sample of this contractor's permits. Click here to access their complete permit history.
New dormer addition full gut rehab new drywall installation throughoutinterior alterations and replacement of interior finishes new open wood deck upgrades to mechanical electrical and plumbing systems**certified corrections- - subject to field inspections & audit **
Valuation:
$60,000
Permit #:
100868684
Status:
complete
Fee:
$1,669
Permit Type:
N/A
Building Type:
N/A
Furnace replacement with water heater
Valuation:
N/A
Permit #:
BHVC-18-03685
Status:
final
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Replaceing furnace
Valuation:
$3,000
Permit #:
J8316
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$38,000
Permit #:
16-3067/000 000 CMTH 00
Status:
issued
Fee:
$2,066
Permit Type:
N/A
Building Type:
Manufact dist-lim...
Self-cert: interior rehab of existing 2 story single family home; work to include new partition walls doors windows cabinets; new electrical as per plans new mechanical and new plumbing; new rear deck and erect new two car garage current: single family residence -no change
Valuation:
$98,000
Permit #:
100700809
Status:
complete
Fee:
$1,541
Permit Type:
N/A
Building Type:
N/A
Self-cert: is and will be class a1. make a 2nd story addition to an existing single family home that includes a bathroom & closet. remove existing hot water radiator system and replace with forced air heat & air conditioning
Valuation:
$125,000
Permit #:
100714707
Status:
complete
Fee:
$800
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$1,054,204
Permit #:
17-3134/000 000 CMTH 00
Status:
issued
Fee:
$16,093
Permit Type:
N/A
Building Type:
Manufact dist-lim...
Self cert; interior remodel of existing 1.5 story brick veneer and frame house with basement and new frame garage as per architect's plans
Valuation:
$75,000
Permit #:
100674873
Status:
complete
Fee:
$1,175
Permit Type:
N/A
Building Type:
N/A
Energy specialists of illinois mechanical contractor
Valuation:
$0
Permit #:
17LICH-0003
Status:
Active
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Hvac replacement actual date of issuance 1-7-16
Valuation:
$0
Permit #:
BHVC-16-03083
Status:
Issued
Fee:
$229
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$48,000
Permit #:
15-4431/000 000 RMTH 00
Status:
issued
Fee:
$1,948
Permit Type:
N/A
Building Type:
Single family dwe...
No Description Available
Valuation:
$107,717
Permit #:
15-1124/000 000 RMTH 00
Status:
issued
Fee:
$3,178
Permit Type:
N/A
Building Type:
Single family dwe...
No Description Available
Valuation:
$47,585
Permit #:
15-2910/000 000 RMTH 00
Status:
complete
Fee:
$1,386
Permit Type:
N/A
Building Type:
Planned develop dist
Replacement hvac-residential new owner-j martin
Valuation:
$0
Permit #:
BHVC-16-03147
Status:
Pending
Fee:
$186
Permit Type:
N/A
Building Type:
N/A
Replacement of furnace and air conditioning condensor unit
Valuation:
$0
Permit #:
BHVC-15-03020
Status:
Approved
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Removal and replacement of air conditioner
Valuation:
$0
Permit #:
BHVC-16-03249
Status:
pending
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Hvac - furnace and air conditioning replacement same loc
Valuation:
$0
Permit #:
BHVC-15-03049
Status:
Issued
Fee:
$228
Permit Type:
N/A
Building Type:
N/A
Replacement hvac**new owner=j martin
Valuation:
$0
Permit #:
BHVC-16-03144
Status:
Pending
Fee:
$186
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$6,000
Permit #:
14-5743/000 000 RMTH 00
Status:
complete
Fee:
$242
Permit Type:
N/A
Building Type:
Planned develop dist
Hvac - new air conditioning and furnace
Valuation:
$0
Permit #:
BHVC-17-03422
Status:
issued
Fee:
$229
Permit Type:
N/A
Building Type:
N/A
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Energy Specialists of Il License info
License Not Required
| Status | Not Required |
- BuildZoom verified in October, 2017 that this contractor does not need a license to be a contractor in Illinois.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 11-00014945 |
| Status | Active |
| City | Aurora |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2015. Check the current license status of Energy Specialists of Il with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 14-00012866 |
| Status | Active |
| City | Aurora |
| Type | Heating Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2015. Check the current license status of Energy Specialists of Il with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CR00537 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of December, 2009. Check the current license status of Energy Specialists of Il with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2009-CR00537 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of December, 2009. Check the current license status of Energy Specialists of Il with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR00537 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Hvac |
- According to the County of Dupage Contractor Registration Information, 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 Energy Specialists of Il at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR00537 |
| Status | Inactive |
| County | Dupage County |
| Type | Hvac |
- According to the County of Dupage Contractor Registration Information, 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 Energy Specialists of Il at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 17LICH-0003 |
| Status | Inactive |
| City | Evanston |
| Type | Hvac |
- According to the City of Evanston Building and Inspection Services, 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 Energy Specialists of Il at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR7012 |
| Status | Inactive |
| County | Dupage County |
| Type | Hvac |
- According to the County of Dupage Contractor Registration Information, 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 Energy Specialists of Il at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
69
Permits
- Building permit records show that Energy Specialists of Il has worked on 69 permitted projects.
Energy Specialists of Il Employees
GD
Gerardo Diaz
Owner