Updated: Jun 14, 2026
Location and Projects
Address
10800 MINNESOTA AVENUE, Penngrove, CA, 94951
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Efficiency Mechanical Heating & Cooling Inc
Efficiency Mechanical Heating & Cooling Inc at 10800 MINNESOTA AVENUE, Penngrove, CA 94951, held a HVAC/Mechanical Contractor license (#885533) with the California contractors license board with an expiration date of 10-31-2020. We last verified the license was expired on 06-13-2026.
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 bidding system to be easily matched to qualified, licensed professionals in your area.
Efficiency Mechanical Heating & Cooling Inc Services
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Efficiency Mechanical Heating & Cooling Inc Contact Information
Phone Number: (707) 544-5551
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Address: 10800 MINNESOTA AVENUE, Penngrove, CA 94951
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Building Permits by Efficiency Mechanical Heating & Cooling Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Furnace replacement final out m1103-026
Valuation:
N/A
Permit #:
M2501-027
Status:
final
Fee:
$189
Permit Type:
Alter-duplex
Building Type:
N/A
Replace air handler and rooftop heat pump condenser with new high efficiencty air handler and heat pump cannot be seen from street
Valuation:
N/A
Permit #:
B13-3372
Status:
final
Fee:
$74
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace with new 95 percent afue 70, 000 btu 3 ton high efficiency furnace and replace thermostat with setback thermostat
Valuation:
N/A
Permit #:
B13-5160
Status:
final
Fee:
$74
Permit Type:
N/A
Building Type:
N/A
Replace (e) furnace with new 96% afue 3 ton 80k btu furnace
Valuation:
$3,370
Permit #:
BLDG-16-0225
Status:
complete
Fee:
$70
Permit Type:
N/A
Building Type:
N/A
Replace 3 rooftop air conditioning units with smaller goodman 4 ton 18 seer units
Valuation:
N/A
Permit #:
B16-3523
Status:
final
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Install 16 seer air conditioning condenser on roof. was prepped for air conditioning when fau was installed during county upgrade work
Valuation:
N/A
Permit #:
BLD13-4048
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Rplc propane wall heater for single family dwelling replace direct vent wall heater with new williams 62500 btu direct vent wall heater with propane conversion and thermostat
Valuation:
N/A
Permit #:
BLD11-2907
Status:
final
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
Replace furnace with new 96% afue furnace
Valuation:
$3,797
Permit #:
B2015-3369
Status:
final
Fee:
$93
Permit Type:
Residential on line
Building Type:
N/A
Replace furnace & air conditioning with high efficiency furnace and air conditioning
Valuation:
$7,000
Permit #:
B2015-1513
Status:
final
Fee:
$93
Permit Type:
Residential on line
Building Type:
N/A
Replace duct system with new properly sized flexible duct system and replace furnace with 95 percent afue 70k btu unit
Valuation:
N/A
Permit #:
B12-4089
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Replaceexisting furnace with new 95% afue high eff furnace
Valuation:
$2,600
Permit #:
ZZZZ-12-1379
Status:
complete
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Adding 16 seer air conditioning
Valuation:
$7,995
Permit #:
B2015-2045
Status:
final
Fee:
$196
Permit Type:
Residential
Building Type:
N/A
Replace 3 heat pump systems with 1-19 seer cooling only 1.5 ton mini split system 1-13 seer 11.5 seer 3 ton package heat pump and 1-13 seer 11.5 seer 7.5 ton package heat pump
Valuation:
N/A
Permit #:
B09-2208
Status:
final
Fee:
$98
Permit Type:
N/A
Building Type:
N/A
Replace furnace with new high efficiency furnace and replace thermostat
Valuation:
$0
Permit #:
BLD13-5347
Status:
DENIED
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Replace furnace with new 80% afue furnace
Valuation:
$1,800
Permit #:
B2015-0457
Status:
final
Fee:
$93
Permit Type:
Residential on line
Building Type:
N/A
Install ductless minisplit for guest room
Valuation:
N/A
Permit #:
B14-3046
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install 3 ton 14 seer r-410a air conditioning. air conditioning coil to be installed on existing furnace
Valuation:
N/A
Permit #:
B13-1000
Status:
final
Fee:
$71
Permit Type:
N/A
Building Type:
N/A
Replace air handler coil & heat pump condenser w/new air handler coil and heat pump
Valuation:
$4,375
Permit #:
B2012-2191
Status:
final
Fee:
$145
Permit Type:
Commercial
Building Type:
N/A
Replace fau with new 96% afue fau
Valuation:
$4,650
Permit #:
B2014-2208
Status:
final
Fee:
$93
Permit Type:
Residential on line
Building Type:
N/A
Replace existing 35000 btu wall heater with new 35000 btu wall heater and install setback tstat per title 24
Valuation:
$0
Permit #:
BLD11-4708
Status:
DENIED
Fee:
$71
Permit Type:
N/A
Building Type:
N/A
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Efficiency Mechanical Heating & Cooling Inc License info
Inactive License
| License # | 885533 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation |
- 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 Efficiency Mechanical Heating & Cooling Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Efficiency Mechanical Heating & Cooling Inc, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
181
Permits
- Building permit records show that Efficiency Mechanical Heating & Cooling Inc has worked on 181 permitted projects.
Efficiency Mechanical Heating & Cooling Inc Employees
HJ
Harold Robert Bishop Jr
Rmo / Ceo / Pres