Updated: Jun 04, 2026
Location and Projects
Address
1418 MARGRET ST, Northbrook, IL, 60062
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Northfield Heating & A/C Co Inc
Northfield Heating & A/C Co Inc, 1418 Margret St, Northbrook, IL (Owned by: Nicholas Aponte) holds a license and 7 other licenses according to the Illinois license board.
Their BuildZoom score of 99 ranks in the top 15% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Northfield Heating & A/C Co Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Northfield Heating & A/C Co Inc Services
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Northfield Heating & A/C Co Inc Contact Information
Phone Number: (847) 251-2740
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Address: 1418 MARGRET ST, Northbrook, IL 60062
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Northfield Heating & A/C Co Inc Northbrook
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Northfield Heating & A/C Co Inc has a BuildZoom score of 99, which places them above 85% of 65,686 contractors in Illinois.
Activity
|
6 projects
|
2023 |
Our building permit records indicate that Northfield Heating & A/C Co Inc has worked on at least
6.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
6 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Northfield Heating & A/C Co Inc mostly works on
hvac project
projects.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Northfield Heating & A/C Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Proposed rear 2 car garage w/2nd story coach house (per adu ordinance) on lot with existing 2 story single family residence w/basement per plans.(conditional permit subject to field inspections)
Valuation:
$150,000
Permit #:
100942014
Status:
expired
Fee:
$2,363
Permit Type:
N/A
Building Type:
N/A
Spr - 2019 cbc - interior renovation of existing mixed use building to cure code violations at existing 2 story masonrybuilding with 1 commercial space and 1 dwelling unit(occupancy class b s-1 r-2 construction type iiia)
Valuation:
$35,000
Permit #:
100994804
Status:
issued
Fee:
$6,225
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc - interior renovation and second floor frame addition at existing 1 story masonry building single family residence (occupancy group r-5; type va construction) as per plans**certified corrections subject to field inspections & audit **
Valuation:
$130,000
Permit #:
100913352
Status:
expired
Fee:
$1,318
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc new 2 car garage & additional dwelling unit and rear deck & stairs to grade to serve existing 2 story plus basement single family residence
Valuation:
$180,000
Permit #:
101016295
Status:
suspended
Fee:
$1,988
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc: revision to permit #100878201 replace existing boiler heating system with 3-zone new forced air furnace a/c/heat pump. all new ductwork per plans **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$20,000
Permit #:
100907876
Status:
complete
Fee:
$690
Permit Type:
N/A
Building Type:
N/A
**self cert** **structural peer review** interior buildout only to convert existing venue space into first floor retail space with accessory coffee bar with 4 seats only and basement level storage/mechanical space in an existing 4 story building. all facade exterior storefront work not-in-scope for this permit.facade and storefront work will be done under seperate permit 100817037 for... see more
Valuation:
$900,000
Permit #:
100817025
Status:
complete
Fee:
$5,113
Permit Type:
N/A
Building Type:
N/A
Interior remodel of kitchen powder room and primary bathroom addition of attic office space including bathroom
Valuation:
N/A
Permit #:
22ADDR-0082
Status:
issued
Fee:
$9,039
Permit Type:
N/A
Building Type:
N/A
Interior renovation of (23) existing dwelling units to addition new furnaces at existing 3-story masonry building as per plans
Valuation:
$145,000
Permit #:
100856253
Status:
complete
Fee:
$6,579
Permit Type:
N/A
Building Type:
N/A
2019 cbrc:rehabilitation of existing single family residence as per plan
Valuation:
$150,000
Permit #:
100897202
Status:
expired
Fee:
$2,409
Permit Type:
N/A
Building Type:
N/A
: kitchen & mudroom
Valuation:
$155,000
Permit #:
P2021-3805
Status:
approved
Fee:
$588
Permit Type:
N/A
Building Type:
Building use group
Remodel – interior commercial – for commercial projects and residential buildings with 3 or more uni
2023-03-10
Master bed remodel kitchen refresh and electrical
Valuation:
N/A
Permit #:
23INTC-0079
Status:
issued
Fee:
$1,668
Permit Type:
N/A
Building Type:
N/A
Interior renovation of an existing kitchen in an existing one story plus basement single family residence. 3-b construction. class a residential use
Valuation:
$100,000
Permit #:
100799332
Status:
complete
Fee:
$550
Permit Type:
N/A
Building Type:
N/A
: kitchen remodel; deck alteration/modification
Valuation:
$90,000
Permit #:
P2023-0301
Status:
complete
Fee:
$930
Permit Type:
N/A
Building Type:
Building use group
2nd floor addition including master suite and hall bathroom remodel
Valuation:
N/A
Permit #:
21ADDR-0066
Status:
complete
Fee:
$4,113
Permit Type:
N/A
Building Type:
N/A
Interior remodel with new deck windows and back door
Valuation:
N/A
Permit #:
22EXTR-0256
Status:
complete
Fee:
$6,984
Permit Type:
N/A
Building Type:
N/A
Second floor addition primary bedroom and bathroom remodel
Valuation:
N/A
Permit #:
21ADDR-0065
Status:
issued
Fee:
$2,542
Permit Type:
N/A
Building Type:
N/A
Two story addition
Valuation:
N/A
Permit #:
22ADDR-0016
Status:
issued
Fee:
$6,440
Permit Type:
N/A
Building Type:
N/A
2nd floor addition at rer of office building and interior remodeling
Valuation:
N/A
Permit #:
19ADDC-0054
Status:
complete
Fee:
$7,348
Permit Type:
N/A
Building Type:
N/A
2 story addition
Valuation:
N/A
Permit #:
22ADDR-0057
Status:
issued
Fee:
$11,778
Permit Type:
N/A
Building Type:
N/A
Interior remodel of units 1 & 2
Valuation:
N/A
Permit #:
21INTR-0292
Status:
issued
Fee:
$6,875
Permit Type:
N/A
Building Type:
N/A
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Northfield Heating & A/C Co Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Northfield Heating & A/C Co Inc License info
Verified License
| License # | 17-1086 |
| Status | Active |
| State | Illinois |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Northfield Heating & A/C Co Inc at the Illinois Commerce Commission.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR8276 |
| 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 Northfield Heating & A/C Co Inc 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 # | 18LICL-0215 |
| Status | Inactive |
| City | Evanston |
| Type | Electrical |
- 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 Northfield Heating & A/C Co Inc 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 # | 09LICH-0552 |
| 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 Northfield Heating & A/C Co Inc 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
| Status | Inactive |
| County | Cook County |
| Type | Hvac |
- According to the Cook County Department of Building and Zoning, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 18LICL-0215 |
| Status | Inactive |
| City | Evanston |
| Type | Electrical |
- 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 Northfield Heating & A/C Co Inc 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 # | CR8276 |
| 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 Northfield Heating & A/C Co Inc 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 # | 09LICH-0552 |
| 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 Northfield Heating & A/C Co Inc at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
50
Permits
- Building permit records show that Northfield Heating & A/C Co Inc has worked on 50 permitted projects.
Northfield Heating & A/C Co Inc Employees
BH
Brittany Hertenstein
In State Designated Agent
DB
David Brightwell
JA
Jason Aponte
Chief Executive Officer
JC
Jessica L Cardoni
NA
Nicholas Aponte
Owner
TT
Thomas Theis