Updated: May 08, 2026
Location and Projects
Address
673 Brookside Dr, Danville, CA, 94526
Use our bidding system to
request a quote
Qualtech Heating and Cooling
Qualtech Heating and Cooling, 673 Brookside Dr, Danville, CA (Owned by: Myriam Rios) holds a General Building, Plumbing, Warm Air Heating, Ventilating And Air Conditioning license and 2 other licenses according to the California license board.
Their BuildZoom score of 89 does not rank in the top 50% of California contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Qualtech Heating and Cooling, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Qualtech Heating and Cooling Services
Start a project today:
Qualtech Heating and Cooling Contact Information
Phone Number: (925) 831-2444
Address: 673 Brookside Dr, Danville, CA 94526
Qualtech Heating and Cooling Danville
Quality
89
30th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Qualtech Heating and Cooling has a BuildZoom score of 89, which places them above 30% of 336,931 contractors in California.
Activity
|
81 projects
|
2025 |
|
76 projects
|
2024 |
|
136 projects
|
2023 |
Our building permit records indicate that Qualtech Heating and Cooling has worked on at least
293.0 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
|
8 projects
|
Home Additions |
|
272 projects
|
HVAC projects |
|
101 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Qualtech Heating and Cooling mostly works on
hvac project
and mechanical project
projects.
Pricing
|
21 projects
|
< $5k |
|
197 projects
|
$5k-$20k |
|
22 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
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 Qualtech Heating and Cooling
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel part of an existing tenant space into a class 100 clean room for product manufacturing. one new air handling unit will be located on the roof
Valuation:
$250,000
Permit #:
BLD25-01576
Status:
plancheck
Fee:
$11,934
Permit Type:
N/A
Building Type:
N/A
Install an 80% efficient ultra-low nox natural gas furnace in compliance with the bay area air quality management district
Valuation:
$10,000
Permit #:
B25-0571
Status:
final
Fee:
$242
Permit Type:
N/A
Building Type:
N/A
Tdk headway: installation of a process tool - rie015. this
Valuation:
N/A
Permit #:
B-BP25-0336
Status:
issued
Fee:
$19,162
Permit Type:
Equipment install...
Building Type:
N/A
21-024460 haz mat scope: forming gas blanket permit***blanket permit applicable for 1 yr - cannot extend.*** infrastructure improvement to accommodate r&d opertations within (2) dry rooms clean rooms area of work: 15, 920 sq ft. scope: 1) install rooftop eqiupemnt platform 2) install mechanical equipment within an (e) 4, 200 sq ft equipment yard 3) finished interiors are limited to 7... see more
Valuation:
N/A
Permit #:
2022 667562 HZ
Status:
issued
Fee:
$269
Permit Type:
Inert compressed ...
Building Type:
N/A
21-024462 haz mat scope: argon blanket permit site construction a. wet trash enclosure grease trap walkway re-layout h/c parking as req. b. argon tank enclosure & resulting access circulation. c. generator enclosure d. chemical storage bunker external of building e. new (8) electrical panels with (4) transformers ** 12/17/21 revision #1 #2 on structural and mechanical (hm)
Valuation:
N/A
Permit #:
2022 667550 HZ
Status:
issued
Fee:
$269
Permit Type:
Inert compressed ...
Building Type:
N/A
21-024462 hazmat scope of work: install a single 13, 000-gallon bulk cryogenic argon tank outside the building. site construction a. wet trash enclosure grease trap walkway re-layout h/c parking as req. b. argon tank enclosure & resulting access circulation. c. generator enclosure d. chemical storage bunker external of building e. new (8) electrical panels with (4) transformers ** 12... see more
Valuation:
N/A
Permit #:
2022 663441 HZ
Status:
complete
Fee:
$538
Permit Type:
Hazard compressed...
Building Type:
N/A
Residential hvac - heating ventilation air conditioning
2025-08-29
Replace ac/furnace seer 19 afue 80%
Valuation:
$21,000
Permit #:
M25-032561
Status:
final
Fee:
$335
Permit Type:
N/A
Building Type:
N/A
Remove and replace furnace air conditioning and coil 4 ton 20 seer 80% afue 60k btu's cheers
Valuation:
$10,000
Permit #:
B25-0186
Status:
issued
Fee:
$242
Permit Type:
N/A
Building Type:
N/A
Replacing air conditioning condenser furnace heat pump ducts seer 14 afue 80% r-6 **two systems: system one seer 14 system two seer 16.5 afue 80 r-6 climate zone 12 hers rating required at field inspection** - dnsilva
Valuation:
$22,000
Permit #:
BIM22-010885
Status:
expired
Fee:
$834
Permit Type:
N/A
Building Type:
N/A
Pc# 22-666016 hazmat scope: *** hazardous materials storage system permit for installation of nch001 tool utilizing more than five gallons of flammable class i liquid *** building scope of work: tool 2.6 install reviews: building fire mechanical electrical no exterior work
Valuation:
N/A
Permit #:
2022 689365 HZ
Status:
issued
Fee:
$592
Permit Type:
Other hazmat system
Building Type:
N/A
System 1 : air conditioning furnace and coil replacement 16.5 seer 80% afue system 2 : air conditioning furnace and coil replacement 16.5 seer 80% afue **hers report required at final** mchin
Valuation:
$20,000
Permit #:
BIM22-012994
Status:
expired
Fee:
$738
Permit Type:
N/A
Building Type:
N/A
Pc# 21-015679 permit number 21-021010 tools intall at existing tenant r&d lab with calcs scope of work: 1) install alcove interfacing with new installation of 55 foot long rolling hearth kiln. 2) minor alterations to the bike storage and locker area displaced by new kiln 3) install electrical control gear and process gas distribution control cabinets
Valuation:
N/A
Permit #:
2021 048009 HZ
Status:
complete
Fee:
N/A
Permit Type:
Aboveground tank/...
Building Type:
N/A
***update in work description. scope only involves replacing central furnace with new central furnace*** replace furnace air conditioning and coil with ducted mini split system
Valuation:
$25,000
Permit #:
MW22-0255
Status:
expired
Fee:
$424
Permit Type:
N/A
Building Type:
N/A
Residential hvac - heating ventilation air conditioning
2025-06-27
Replace 2 furnace 2 air conditioning ducts
Valuation:
$40,000
Permit #:
M25-032400
Status:
final
Fee:
$449
Permit Type:
N/A
Building Type:
N/A
Replace furnace (afue - 0.8) located in an interior closet
Valuation:
$4,500
Permit #:
BRMECH-25-0066
Status:
final
Fee:
$372
Permit Type:
N/A
Building Type:
N/A
Completely new add-on air conditioning condenser completely new add-on evaporator coil **afue 80 seer 16 climate zone 12 hers report required at final inspection** -dnsilva
Valuation:
N/A
Permit #:
BIM22-014111
Status:
final
Fee:
$499
Permit Type:
N/A
Building Type:
N/A
Remove and replace furnace air conditioning and coil. like for like same location. duct replacement more than 40 ft. 80k btu 80% afue 4 ton 14 seer. furnace is in a closet air conditioning is on side of house. (cheers)
Valuation:
$20,000
Permit #:
B21-0771
Status:
issued
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Replace furnace like for like - 80% afue 60000 btu. replace air conditioning like for like - 19 seer 3 tons
Valuation:
$13,000
Permit #:
BLD2025-03577
Status:
issued
Fee:
$0
Permit Type:
Residential HVAC
Building Type:
N/A
Replace the central hvac system with a ducted heat pump system using existing locations and electrical
Valuation:
$12,000
Permit #:
B25-2529
Status:
final
Fee:
$362
Permit Type:
N/A
Building Type:
N/A
Residential hvac - heating ventilation air conditioning
2025-06-03
Replace furnace air conditioning seer 16.5 afue 80 %
Valuation:
$10,000
Permit #:
M25-032249
Status:
final
Fee:
$218
Permit Type:
N/A
Building Type:
N/A
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Qualtech Heating and Cooling License info
Verified License
| License # | 1022025 |
| Status | Active |
| State | California |
| Type | General Building, Plumbing, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Qualtech Heating and Cooling at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 905205 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Qualtech Heating and Cooling at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 877742 |
| Status | Inactive |
| State | California |
| Type | Plumbing, Warm Air Heating, Ventilating And Air Conditioning, General Building |
| 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.
Check this license's status for Qualtech Heating and Cooling at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
89
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
719
Permits
- Building permit records show that Qualtech Heating and Cooling has worked on 719 permitted projects.
Qualtech Heating and Cooling Employees
DA
Daniel Joulfred Alvarez
Rmo
JQ
James Trent Quittner
Rmo/Ceo/Pres
MQ
Merry Beth Quittner
Officer
MA
Myriam Del Carmen Rios Alvarez
Ceo/President
MR
Myriam Rios
Owner
Terrible, not true HVAC professionals, not competent in repairs, was late as well. I would not just them to do repairs at all.