Updated: Mar 27, 2026
Location and Projects
Address
9332 EL VALLE, Fountain Valley, CA, 92708
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Efficient Air Systems Ltd HVAC/Mechanical Contractor
Efficient Air Systems Ltd at 9332 EL VALLE, Fountain Valley, CA 92708, held a HVAC/Mechanical Contractor license (#520089) with the California contractors license board with an expiration date of 11-30-2017. We last verified the license was expired on 03-26-2026.
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 336,931 California 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.
Efficient Air Systems Ltd Contact Information
Phone Number: (714) 964-2007
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Address: 9332 EL VALLE, Fountain Valley, CA 92708
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Building Permits by Efficient Air Systems Ltd
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical permit to change out fau < 100 k btu same location (garage closet) for single family dwelling. compliance forms attached to job card and city permit
Valuation:
N/A
Permit #:
M10-00138
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fau change out for single family dwelling same location of unit. work to include: 1 inst fau to 100 k btu and 1 repair/alt cooling/heat
Valuation:
N/A
Permit #:
M05-00445
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical permit for the installation of a new air conditioning package unit. work to include: 1 residence air conditioning package
Valuation:
N/A
Permit #:
E06-00815
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Change-out of an existing fau in a single family dwelling. 1 inst fau < 100k btu no other work authorized with this permit
Valuation:
N/A
Permit #:
M04-00646
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical permit for the installation of a new air conditioning package unit and change out the (e) heating system
Valuation:
N/A
Permit #:
M06-00459
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnace change out same location
Valuation:
N/A
Permit #:
00512883-MISR
Status:
final
Fee:
$126
Permit Type:
N/A
Building Type:
N/A
Change out evaporator coil only for split system
Valuation:
N/A
Permit #:
00405004-MISR
Status:
final
Fee:
$45
Permit Type:
N/A
Building Type:
N/A
Install 100, 000 btu furnace & 5 ton condenser unit
Valuation:
N/A
Permit #:
00130609-MISC
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace furnace
Valuation:
N/A
Permit #:
00515033-MISR
Status:
final
Fee:
$76
Permit Type:
N/A
Building Type:
N/A
C/o furnace includes ducts entered by: watsond
Valuation:
N/A
Permit #:
M2013-003710
Status:
final
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
R/r (e) fau - like for like entered by: clarkd
Valuation:
N/A
Permit #:
M2013-006437
Status:
final
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Replace air conditioning and furnace
Valuation:
N/A
Permit #:
00191768-MISC
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
C/o fau w new 93% efficient furnace ***field verify*** - fee waiver entered by: tavakolij
Valuation:
N/A
Permit #:
M2009-006279
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Changeout fau
Valuation:
N/A
Permit #:
00402860-MISR
Status:
final
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
Replace fau
Valuation:
N/A
Permit #:
00392770-MISR
Status:
final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Remove and replace like for like furnace same location entered by: benbowj
Valuation:
N/A
Permit #:
M2011-007157
Status:
final
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Change out fau only. no relocate of fau proposed
Valuation:
N/A
Permit #:
M03-00589
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install btu fau **supp to addition air conditioning entered by: claymoree
Valuation:
N/A
Permit #:
M2005-009726
Status:
final
Fee:
$149
Permit Type:
N/A
Building Type:
N/A
Replace fau and install new air conditioning (4 ton) entered by: kwakj
Valuation:
N/A
Permit #:
M2006-005714
Status:
final
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
Replace fau and install new air conditioning (4 ton) entered by: kwakj
Valuation:
N/A
Permit #:
E2006-005715
Status:
final
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
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Efficient Air Systems Ltd License info
Inactive License
| License # | 520089 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Efficient Air Systems Ltd at the California Contractors State License Board.
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 Efficient Air Systems Ltd, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Contractor's Bond History |
| Bond Value | $12,500 |
164
Permits
- Building permit records show that Efficient Air Systems Ltd has worked on 164 permitted projects.
Efficient Air Systems Ltd Employees
MP
Michael Phillips
Sole Owner