Updated: Jun 30, 2026
Location and Projects
Address
2 Cromwell, Irvine, CA, 92618
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Mesa Energy Systems HVAC/Mechanical Contractor
HVAC Retrofit & Services, BAS & Energy Solutions Company Mesa Energy Systems provides full-service HVAC service & retrofit, BAS services and energy management solutions.EMCOR Services Mesa Energy Systems celebrated its 25 year anniversary in 2008. We are a licensed HVAC maintenance, service, building automation systems (BAS) services, and commercial HVAC and retrofit contracting company headquartered in Irvine, California
From BuildZoom: Mesa Energy Systems, 2 Cromwell, Irvine, CA holds a Contractor license and 1 other license according to the Oceanside license board.
Their BuildZoom score of 113 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mesa Energy Systems, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mesa Energy Systems Irvine
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mesa Energy Systems has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
90 projects
|
2025 |
|
87 projects
|
2024 |
|
93 projects
|
2023 |
Our building permit records indicate that Mesa Energy Systems has worked on at least
270.0 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
|
28 projects
|
Commercial Renovations |
|
11 projects
|
Home Additions |
|
8 projects
|
New Constructions |
|
119 projects
|
HVAC projects |
|
77 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Mesa Energy Systems mostly works on
hvac project
and mechanical project
projects.
Pricing
|
6 projects
|
< $5k |
|
19 projects
|
$5k-$20k |
|
21 projects
|
$20k-$50k |
|
13 projects
|
$50k-$100k |
|
16 projects
|
$100k-$250k |
|
11 projects
|
$250k-$500k |
|
13 projects
|
$500k-$1mil |
|
7 projects
|
$1mil+ |
The typical size of their permits is approximately $71,428. 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.
Replace (3) outside rooftop units in same locations with calcs scope of work: 1) weight: 2 664 lbs. provie new curb adaptor reconnect (e) controls and electrical reconnect (e) smoke detector 2) weight: 2 665 lbs. mount to new curb adaptor reconnect (e) controls and electrical reconnect (e) smoke detector 3) weight: 2 664 lbs. mount to new curb adaptor reconnect (e) controls and electr... see more
Valuation:
$354,000
Permit #:
2025 108858 CI
Status:
issued
Fee:
$2,343
Permit Type:
Hotel/motel
Building Type:
N/A
Install dual solar systems system #1: (3) inverters & 1 308 solar panels; system #2: (4) inverters & 1 140 solar panels. â â â â â total 2 448 panels 1346.4 kw total array: 706-11-24 - addition to scope of work--seven canopies
Valuation:
$4,117,030
Permit #:
B-24-588
Status:
issued
Fee:
$23,863
Permit Type:
N/A
Building Type:
N/A
City project - mesa energy is providing a solar carport system for the city of perris with ev chargers. · (2) photovoltaic (pv) solar power arrays over 2 existing parking lots · total module count: 498 · kilowatts dc: 291.33 kw · total arrays: 2 · solar power system consists of equipment lighting photovoltaic monitoring and metering communications and power interconnect to the utility... see more
Valuation:
$1,105,895
Permit #:
BCOM-25-00324
Status:
filed
Fee:
$10,962
Permit Type:
N/A
Building Type:
N/A
Project consists of the replacement of 1 chiller chilled waterpump and condenser water pump in the basement. mechanical and electrical capacity will match the existing equipment. weight of the new equipmet are equal or less in weight than the existing equipment
Valuation:
$856,000
Permit #:
202507211251
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Replace cooling towers with calcs scope of work: 1) remove and replace (2) cooling towers in a open roof well adjacent to the chiller room. 2) water cooler chiller is replaced with a new water chiller with equal capacity weight and electrical requirements
Valuation:
$548,707
Permit #:
2023 108553 CI
Status:
issued
Fee:
$7,452
Permit Type:
Office
Building Type:
N/A
E-permit: change-out roof mount to roof mount. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cfm output of each system is >2 000 cfm building has fire sprinkler system (yes) building has fire alarm system (yes). automatic shutoff of the system is required u... see more
Valuation:
$84,735
Permit #:
BP25-01325
Status:
final
Fee:
$370
Permit Type:
N/A
Building Type:
N/A
Deferred mep; work 4th floor 9th floor 19th floor 38th floor elevator equipment room addition one new 3.5 ton condensing unit/ahu with new electrical and new conducting. 4th floor addition new 3.5 ton condensing unit/ahu 9th floor remove and replace one fan coil 19th floor remove and replace two fan coil
Valuation:
$235,000
Permit #:
202305117580
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
The scope of this project includes the demolition and replacement of air conditioning units 4 & 5 and the relocation of existing fan coils 3 &4 including added structural steel support for air conditioning units 4 &5 and associated utilities. (bldg/mech/elec)
Valuation:
$318,505
Permit #:
CB24-0112
Status:
final
Fee:
$9,581
Permit Type:
N/A
Building Type:
N/A
The scope of this project includes the demolition and replacement of air conditioning units 4 & 5 and the relocation of existing fan coils 3 &4 including added structural steel support for air conditioning units 4 &5 and associated utilities
Valuation:
$318,505
Permit #:
PREBLD24-0083
Status:
approved
Fee:
$69
Permit Type:
N/A
Building Type:
N/A
Epc - 4 shared plans replace (1) (e) hvac split-system with (1) (n) heat pump packaged unit and install (n) ducting above the roof on building 53 replace (1) (e) heat pump packaged unit in-kind on building 53 shared plans reviewed under com-2514056
Valuation:
$120,535
Permit #:
COM-2514062
Status:
issued
Fee:
$2,775
Permit Type:
N/A
Building Type:
N/A
Like for like replacement of 2 cooling tower and vfd on 3rd floor. 3 condensor water pumps and vfd 2nd floor
Valuation:
$1,000,000
Permit #:
202505136329
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Ti: bank of america replace one (1) 30 ton gas/electric package roof top air conditioning unit 2. re-use existing electrical feeders and provide new disconnect 3. replace one (1) 1 ton split system cooling only ductless fan coil at the it room and outdoor unit on the roof 4. re-use existing electrical feeders and provide new disconnect 5. start up test and balance new equipment 6. com... see more
Valuation:
N/A
Permit #:
B24-1145
Status:
complete
Fee:
$1,038
Permit Type:
Utility- utilitie...
Building Type:
N/A
Mechanical electrical and structural design for replacement of one air handling unit (ah-14) and associated piping valves fittings and mechanical ductwork. like-in-kind. like-in weight. new roof mounted curb. provide new electrical
Valuation:
$550,000
Permit #:
BLD22-67322
Status:
triage
Fee:
$9,168
Permit Type:
N/A
Building Type:
N/A
Epc - 4 shared plans replace (3) (e) hvac split-systems with (2) (n) heat pumps packaged unit and install (n) ducting above roof on building 51 shared plans reviewed under com-2514056
Valuation:
$177,916
Permit #:
COM-2514058
Status:
issued
Fee:
$3,730
Permit Type:
N/A
Building Type:
N/A
Remove/replace two (2) rooftop package units with like-for-like rooftop package units and remove/replace one (1) hvac split system with like-for-like hvac split system
Valuation:
$115,968
Permit #:
BLD2025-07395
Status:
issued
Fee:
$4,442
Permit Type:
Heating and/or ai...
Building Type:
N/A
Epc - 4 shared plans replace (1) (e) hvac unit with (1) (n) heat pump modify (e) sa ducting and install (n) ra ducting on building 40 shared plans reviewed under com-2514056
Valuation:
$176,353
Permit #:
COM-2514056
Status:
issued
Fee:
$3,705
Permit Type:
N/A
Building Type:
N/A
Install (11) rooftops units; (1) heat pump; (2) vrf condensing units; (1) relief fan; (11) ducted fan coil units; (30) vav boxes and anchorage design and electrical design for installation of the units; electrical scope includes installation of 100a panel revision brought in on 2-6-25: for mechanical: install (1) vav box (1) relief fan (1) doas (2) vrf condensing units and (11) ducted... see more
Valuation:
$600,000
Permit #:
B2300189
Status:
issued
Fee:
$9,444
Permit Type:
N/A
Building Type:
N/A
Replacing (1) existing hvac chiller with (1) new chiller on roof. new chiller is lighter than existing. we will be rigging chiller in with a crane on sacramento street near corner or mason)
Valuation:
$776,214
Permit #:
202210144353
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Replace (e) chiller with in-kind chiller replace (e) exhaust fan with in-kind exhaust fan; install (n) refrigerant leak detection system install (n) vfds for (e) pumps
Valuation:
$530,000
Permit #:
BP24-02837
Status:
final
Fee:
$10,057
Permit Type:
N/A
Building Type:
N/A
Replace 2 (e) rooftop cooling towers w/new cooling towers & basin sweep filter replace 1 (e) basement condeser water pump serving ch-1 chiller w new condenser water pump install new condenser water pump serving basement water source heat pumps
Valuation:
$267,450
Permit #:
202311019919
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Mesa Energy Systems Reviews
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Mesa Energy Systems License info
Verified License
| License # | 611215 |
| Status | Active |
| City | Oceanside |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mesa Energy Systems at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 611215 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Electrical, General Building, Refrigeration, Plumbing, Boiler, Hot Water Heating And Steam Fitting, Solar, Low Voltage Systems |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Mesa Energy Systems at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Bonded
| Bonded Agent | Travelers Casualty & Surety Company Of America |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | American Casualty Company Of Reading Pa |
1.3K
Permits
- Building permit records show that Mesa Energy Systems has worked on 1340 permitted projects.