Updated: Jul 05, 2026
Location and Projects
Address
PO BOX 151, Cotati, CA, 94931
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Best Chance Heating & Cooling
Best Chance Heating & Cooling, Cotati, Po Box 151, Cotati, CA (Employee: Chance Melzar Rosado) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Best Chance Heating & Cooling, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Best Chance Heating & Cooling Contact Information
Phone Number: (707) 900-8381
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Address: PO BOX 151, Cotati, CA 94931
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Best Chance Heating & Cooling Cotati
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Best Chance Heating & Cooling has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
12 projects
|
2025 |
|
9 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Best Chance Heating & Cooling has worked on at least
22.0 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
|
19 projects
|
HVAC projects |
|
7 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Best Chance Heating & Cooling mostly works on
hvac project
and mechanical project
projects.
Pricing
|
1 project
|
< $5k |
|
8 projects
|
$5k-$20k |
The typical size of their permits is approximately $10,000. 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.
Building Permits by Best Chance Heating & Cooling
This is a sample of this contractor's permits. Click here to access their complete permit history.
High efficiency bosh heat pump remove existing hvac system and recycle. install new bosh high efficiency inverter heat pump system. 17 seer multi stage. 10 year manufacturer warranty. 10 year install warranty. install to include : ecm air handler 17 seer condenser pad disconnect box with fuses new copper line set new control wire new bosh thermostat wifi ready system installed as per ... see more
Valuation:
$20,000
Permit #:
MECR-2025-0271
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mitsubishi heat pump system remove existing gas furnace and dispose. upsize return ductwork from existing 14inch to 16 inch. fabrication of sheet metal condensation safety pan with auxiliary pan wet switch (electronic). fabrication of new supply and return sheet metal plenums (will not reuse existing metal plenums all new and correct sizes) install mitsubishi multi position air handle... see more
Valuation:
$15,000
Permit #:
MECR-2025-0187
Status:
issued
Fee:
$314
Permit Type:
N/A
Building Type:
N/A
Furnace replacement remove existing furnace and dispose. reseal the supply plenum with duct mastic while furnace is out. install rheem endeavor line classic series model #r951t06017 4 way multi position gas furnace 95%afu low knox. (ultra low knox not available in down flow) furnace install to include : new gas flex was shut off. fabrication of new return plenum. insulate and seal all... see more
Valuation:
$6,400
Permit #:
MECR-2025-0078
Status:
issued
Fee:
$227
Permit Type:
N/A
Building Type:
N/A
High efficiency bosch hybrid heat pump system. 18 seer with use of existing furnace. hybrid dual fuel hvac system : remove (e) evaporator coil and recycle. install new bosch r-410a horizontal evaporator coil. re-insulate and seal supply and return sheet metal plenums ( sanitize inside plenum and inside the furnace using bio fresh sanitizer) run new copper line sets 3/8 x 7/8 insulatio... see more
Valuation:
N/A
Permit #:
BLD25-2490
Status:
final
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
New air conditioning system install new rheem endeavor line prestige air conditioner. 18seer 13eer2 model#ra19ay4800 install new rheem horizontal cased coil with biflow txv run new line set install new disconnect box with fuses new pad. install on existing forced air furnace. includes re-strapping of all existing ductwork. increase return ducting side to 18 inch. run new supply ductin... see more
Valuation:
N/A
Permit #:
BLD25-1243
Status:
final
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Single family dwelling hvac duct replacement only remove all existing underfloor ductwork and dispose. rebuild sheet metal plenum located underneath furnace install new airtight takeoff collars with manual dampers. run new ductwork using r8 aluma flex ducting. new metal vent wyes. seal floor boots as required by code. seal and strap. includes permit title 24 duct test 10 year install ... see more
Valuation:
N/A
Permit #:
BLD25-0757
Status:
issued
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Install 50 gallon bradford white tank water heater. install as per code to include : new gas flex new water supply lines drain pad
Valuation:
$2,800
Permit #:
PLMR-2025-0129
Status:
complete
Fee:
$227
Permit Type:
N/A
Building Type:
N/A
Hvac system remove existing furnace located in attic and dispose. remove all ductwork in attic. increase size of hallway return to 20x30 to allow access of new equipment. replace all ductwork in attic using r8 flex ducting. seal and strap as per code. fabrication of new supply air can. fabrication of new return air can. fabrication of new condensation pan. install service light and ou... see more
Valuation:
$12,000
Permit #:
MECR-2024-0394
Status:
complete
Fee:
$314
Permit Type:
N/A
Building Type:
N/A
High efficiency gas furnace install goodman 96.6% efficiency gas forced air furnace 4 ton 70k/btu/hr ( 10 year manufacturer warranty on parts 20 year on heat exchanger) install 4 ton vertical evaporator coil ( air conditioning prep ) install to include : rebuild furnace and water heater plate form. fabrication of new supply and return air plenums. increase size of return ducting to 18... see more
Valuation:
N/A
Permit #:
BLD24-7350
Status:
issued
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Installed heat pump system replaced existing air conditioning and existing ducting put in new ducting. placed new unit in the same location that it was in before outside on the side of the house
Valuation:
N/A
Permit #:
B24-5286
Status:
issued
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
Remove existing gas furnace and dispose. rebuild furnace platform edge metal corners run new drain to outside location and remove condensation pump. replace with new high efficiency furnace
Valuation:
$10,000
Permit #:
MECR-2024-0396
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing furnace install new - same location
Valuation:
$14,800
Permit #:
M2503-012
Status:
final
Fee:
$125
Permit Type:
Air conditioning ...
Building Type:
N/A
Remove existing furnace and air conditioning. replace with heat pump
Valuation:
$10,000
Permit #:
MECR-2024-0383
Status:
issued
Fee:
$314
Permit Type:
N/A
Building Type:
N/A
Remove existing air conditioning unit and disposed installed new ducted mini split. installed in same existing location
Valuation:
$10,000
Permit #:
MECR-2024-0282
Status:
issued
Fee:
$314
Permit Type:
N/A
Building Type:
N/A
Remove existing hvac equipment and install new mitsubishi heat pump systems end the location of existing equipment bring hvac equipment up to current code
Valuation:
N/A
Permit #:
B23-4495
Status:
final
Fee:
$242
Permit Type:
N/A
Building Type:
N/A
Installed new heat pump replaced existing air conditioning. located on the side of the yard replaced in same location
Valuation:
N/A
Permit #:
B24-6108
Status:
final
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
New ductwork underfloor
Valuation:
N/A
Permit #:
BD2501-019
Status:
final
Fee:
$127
Permit Type:
R/r remove & replace
Building Type:
N/A
Replace (e) furnace air conditioning with with bosch 20 seer split system heat pump
Valuation:
$10,000
Permit #:
B2024-1399
Status:
expired
Fee:
$479
Permit Type:
Residence HVAC
Building Type:
N/A
Remove existing underfloor ducting and dispose. replace with r-8 aluma flex ducting
Valuation:
N/A
Permit #:
B24-1079
Status:
final
Fee:
$173
Permit Type:
N/A
Building Type:
N/A
Single family dwelling install tankless water heater and install ductless air conditioning
Valuation:
N/A
Permit #:
BLD24-4262
Status:
final
Fee:
$719
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Best Chance Heating & Cooling License info
Verified License
| License # | 1107468 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Best Chance Heating & Cooling at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
21
Permits
- Building permit records show that Best Chance Heating & Cooling has worked on 21 permitted projects.
Best Chance Heating & Cooling Employees
CR
Chance Melzar Rosado
Sole Owner