Updated: Jun 02, 2026
Location and Projects
Address
6834 W MADISON, Niles, IL, 60714
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Air Efficiency Construction
Air Efficiency Inc, 6834 W Madison, Niles, IL (Owned by: Nicolae Buhai) holds a Hvac license according to the Evanston license board.
Their BuildZoom score of 106 ranks in the top 7% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Air Efficiency Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Air Efficiency Inc Services
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Air Efficiency Inc Contact Information
Phone Number: (773) 816-7196
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Address: 6834 W MADISON, Niles, IL 60714
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Air Efficiency Inc Niles
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Air Efficiency Inc has a BuildZoom score of 106, which places them above 93% of 65,686 contractors in Illinois.
Activity
|
10 projects
|
2025 |
|
10 projects
|
2024 |
|
14 projects
|
2023 |
Our building permit records indicate that Air Efficiency Inc has worked on at least
34.0 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
|
14 projects
|
Home Additions |
|
3 projects
|
Multi-room remodels |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Air Efficiency Inc mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
5 projects
|
$100k-$250k |
|
6 projects
|
$250k-$500k |
|
5 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $250,000. This graph shows the distribution of these job values.
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Self-cert 2019 cbrc: alterations to existing 2 1/2 story single family residence with new attic dormer and new 2 story rear addition including plumbing electrical and mechanical per plans. two new exterior open wood decks and stairs per plans. new 6 foot high wood fence. (occupancy group r-5; type va construction)
Valuation:
$250,000
Permit #:
101063871
Status:
issued
Fee:
$1,603
Permit Type:
N/A
Building Type:
N/A
2019 self-cert de-convert from existing 2 d.u. to single family residence new 2nd floor frame addition & alterations to existing 1story frame residence with basement including mep work & new rear wood deck as per plans
Valuation:
$450,000
Permit #:
101062579
Status:
issued
Fee:
$2,400
Permit Type:
N/A
Building Type:
N/A
Proposed 2nd floor addition 2 story rear addition front porch rear deck and interior alterations in an existing 2 story single family residence w/basement per plans. aa #25-146 to reduce the side setbacks approved 07.11.2025
Valuation:
$450,000
Permit #:
101067470
Status:
issued
Fee:
$2,638
Permit Type:
N/A
Building Type:
N/A
Self cert. project 2019 cbrc. new construction: 4-story 3-du masonry building w finished basement rooftop access stairs private rooftop deck rear steel egress stairs 3-car masonry garage 3 bike parking spacesconstruction type iiia (use group r-5)as per plans
Valuation:
$950,000
Permit #:
101073110
Status:
issued
Fee:
$5,165
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc interior alterations to the two story type va brick and frame building with a basement and de-convert the existing 2 d.u. into a single-family residence which includes mep work & a new rear wood deck as per architectural plans. r5 occupancy classification
Valuation:
$450,000
Permit #:
101060069
Status:
issued
Fee:
$1,471
Permit Type:
N/A
Building Type:
N/A
Self cert. project:new 4-story 3-du unit masonry building with finished basement roof stair enclosure & deck and 2-car masonry garage as per plans
Valuation:
$750,000
Permit #:
101040953
Status:
issued
Fee:
$6,212
Permit Type:
N/A
Building Type:
N/A
Self cert. project:spr 2019 cbrc. new construction : 3-story 2-du masonry building w finished basement rooftop access stairs private rooftop deck rear steel egress stairs 2-car masonry garage 2 bike parking spaces construction type iiia (use group r-5) as per plans
Valuation:
$750,000
Permit #:
101041532
Status:
issued
Fee:
$4,880
Permit Type:
N/A
Building Type:
N/A
: new 1st floor addition & new attached 2-car garage and interior alterations with mep work for existing 2 story frame residence as per plans
Valuation:
$275,000
Permit #:
P2024-1950
Status:
issued
Fee:
$3,622
Permit Type:
N/A
Building Type:
Building use group
Self-cert 2019 cbc: erect a 3 story three unit masonry apartment building with basement. new 3 car garage with roof deck and access stairs from the rear raised deck as per plans.conditional approval per 14a-4-404.13 release of full wrecking permit still pending
Valuation:
$900,000
Permit #:
101027336
Status:
complete
Fee:
$6,080
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: alterations to existing 2 story single family residence per plans including new rear open deck new frame garage and new 6 ft high wood fence. removal of glass window enclosure at existing open front porch. (occupancy group r-5; type iiib construction)
Valuation:
$100,000
Permit #:
101044511
Status:
complete
Fee:
$625
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc : new 2 story rear frame addition with basement forexisting 2 story single family residence with basement.new rear wood deck. interior alteration with m.e.p. as per plans. v-a const. addition r-5 occ
Valuation:
$450,000
Permit #:
101034441
Status:
complete
Fee:
$2,669
Permit Type:
N/A
Building Type:
N/A
Alterations and addition to deconvert existing r-5 two unit residence to r-5 single family residence with new one story rear addition including plumbing electrical and mechanical. new rear open deck new front porch same size and location per plans
Valuation:
$200,000
Permit #:
101033483
Status:
issued
Fee:
$741
Permit Type:
N/A
Building Type:
N/A
Spr 2019 crbc alteration of (32) dwelling units and common areas. new partitions hvac plumbing and electrical work per plans. new parking layout
Valuation:
$1,200,000
Permit #:
100983267
Status:
complete
Fee:
$7,039
Permit Type:
N/A
Building Type:
N/A
Self certification - 2019 cbc. deconversion of existing 2-unit into single family residence. interior remodeling. new electrical plumbing and mechanical. remove second floor rear porch and stair. all work as per plans
Valuation:
$120,000
Permit #:
101039980
Status:
issued
Fee:
$716
Permit Type:
N/A
Building Type:
N/A
Alterations to existing r-5 three unit building with new plumbing electrical and mechanical per plans. new rear porch new front porch same size and location per plans
Valuation:
$200,000
Permit #:
101039805
Status:
issued
Fee:
$832
Permit Type:
N/A
Building Type:
N/A
Sc 2019 cbc: new two unit three story apartment building with finished basement and penthouse stair enclosure roof top deck rear 3 story deck & stair detached 2-car garage. r-5 occ. type iiia const
Valuation:
$500,000
Permit #:
100986193
Status:
expired
Fee:
$5,955
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: interior alterations with mep for existing 2 story frame single family residence with basement (occupancy r-5 construction type va).new rear wood deck and stairs
Valuation:
$320,000
Permit #:
100994691
Status:
expired
Fee:
$574
Permit Type:
N/A
Building Type:
N/A
Modifications to permit #ppru23-0998: addition to the front of the house existing driveway replaced with permeable pavers new concrete patio at the rear and existing concrete sidewalk along the west property line has been partially removed
Valuation:
N/A
Permit #:
PM23-0391
Status:
final
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Spr 2019 crbc alteration of (10) dwelling units. new partitions hvac plumbing and electric per plans**certified corrections subject to field inspections & audit **
Valuation:
$450,000
Permit #:
100975752
Status:
expired
Fee:
$5,770
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: repair and restoration of five (5) units (301 to 305) and adjacent access corridors and one (1) storage room on the 3rd floor of an existing 210-unit multi-family residence due to fire damage including all mep elements and replacement of certain existing fire-damaged heavy timber structural members (type iv) with new fire-protected steel structures.(occupancy group r-2 ... see more
Valuation:
$275,000
Permit #:
100898532
Status:
suspended
Fee:
$1,937
Permit Type:
N/A
Building Type:
N/A
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Air Efficiency Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Air Efficiency Inc License info
Verified License
| License # | 17LICH-0025 |
| Status | Active |
| City | Evanston |
| Type | Hvac |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Air Efficiency Inc at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
119
Permits
- Building permit records show that Air Efficiency Inc has worked on 119 permitted projects.
Air Efficiency Inc Employees
NB
Nicolae Buhai
Owner