Updated: Jun 09, 2026
Location and Projects
Address
26955 GUM SPRING ROAD, Chantilly, VA, 20152
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Mannix Heating & Cooling LLC
Mannix Heating & Cooling LLC, 26955 Gum Spring Rd, Chantilly, VA holds a Plumbing (Plb), Electrical (Ele), Gas Fitting (Gfc), Heating Ventilation And Air Conditioning (Hva) license according to the Virginia license board.
Their BuildZoom score of 105 ranks in the top 8% of 131,387 Virginia licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mannix Heating & Cooling LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mannix Heating & Cooling LLC Contact Information
Phone Number: (703) 777-9211
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Address: 26955 GUM SPRING ROAD, Chantilly, VA 20152
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Mannix Heating & Cooling LLC Chantilly
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mannix Heating & Cooling LLC has a BuildZoom score of 105, which places them above 92% of 131,387 contractors in Virginia.
Activity
|
1 project
|
2026 |
|
12 projects
|
2025 |
|
7 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Mannix Heating & Cooling LLC has worked on at least
32.0 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
|
29 projects
|
HVAC projects |
|
4 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Mannix Heating & Cooling LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
6 projects
|
< $5k |
|
19 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $8,525. 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 Mannix Heating & Cooling LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacement of furnace provide a copy of the manufacturer's specifications on site at the time of inspection
Valuation:
$17,280
Permit #:
GAS2025-00679
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Replacement of water heater provide a copy of the manufacturer's specifications on site at the time of inspection
Valuation:
$10,364
Permit #:
GAS2025-00615
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of furnace provide a copy of the manufacturer's specifications on site at the time of inspection
Valuation:
$17,899
Permit #:
GAS2025-00548
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install generator change panel to same rating but more spaces install transfer switch and replacing meter base//amend to addition generator and service 3/1/21 wjm
Valuation:
$10,000
Permit #:
210540076
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Replace service cable from weather head to new meter base & from meter base to panel
Valuation:
$4,637
Permit #:
ELE2024-00215
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
**needs commercial** replacement of furnace
Valuation:
$20,742
Permit #:
LTD2023-02885
Status:
revoked
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of furnace
Valuation:
$9,776
Permit #:
LTD2025-01773
Status:
issued
Fee:
$86
Permit Type:
N/A
Building Type:
N/A
Like for like - replacement of furnace
Valuation:
$20,742
Permit #:
GAS2023-01554
Status:
final
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Building Permit
10619 Vale Rd, Oakton, VA
2022-06-01
Converting oil hvac unit to heat pump - running new wires from panel
Valuation:
$17,320
Permit #:
221510125
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Install new circuit for humidifier
Valuation:
$3,195
Permit #:
ELE2023-04319
Status:
final
Fee:
$99
Permit Type:
N/A
Building Type:
N/A
Replacement of furnace
Valuation:
$6,000
Permit #:
GAS2023-00389
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of furnace
Valuation:
$7,150
Permit #:
LTD2023-02603
Status:
final
Fee:
$79
Permit Type:
N/A
Building Type:
N/A
Exact replacement - run gas line to appliance//amend to addition gas applicances and gas piping sp 2/6/20
Valuation:
$17,606
Permit #:
200370042
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Run new gas line from meter to generator
Valuation:
$12,250
Permit #:
220830065
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Run new gas line from meter to generator
Valuation:
$14,226
Permit #:
220600347
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Replacement of furnace
Valuation:
N/A
Permit #:
GAS2023-00490
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of furnace
Valuation:
N/A
Permit #:
GAS2022-01162
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Exact replacement- 3.5 ton air conditioning 90 btu furnace
Valuation:
$10,938
Permit #:
LTD2022-00329
Status:
final
Fee:
$96
Permit Type:
N/A
Building Type:
N/A
Heating equipment: 1 @ 18 mbh cooling equipment: 1 @ 1.5 ton
Valuation:
$7,525
Permit #:
M2101405
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Exact replacement - 2 ton air conditioning 60 btu furnace
Valuation:
$7,558
Permit #:
MEC2021-00350
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Mannix Heating & Cooling LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Mannix Heating & Cooling LLC License info
Verified License
| License # | 2705135017 |
| Status | Active |
| State | Virginia |
| Type | Plumbing (Plb), Electrical (Ele), Gas Fitting (Gfc), Heating Ventilation And Air Conditioning (Hva) |
| Business Type | Llc |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Mannix Heating & Cooling LLC at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
449
Permits
- Building permit records show that Mannix Heating & Cooling LLC has worked on 449 permitted projects.