Updated: Aug 05, 2025
Location and Projects
Address
Exeter, NH, 03833
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Key Heating & Air
Key Heating & Air at NH 03833, held a HVAC/Mechanical Contractor license (#0487C) with the New Hampshire contractors license board with an expiration date of 05-31-2020. We last verified the license was expired on 08-02-2022.
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 13,069 New Hampshire contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Key Heating & Air Contact Information
Phone Number: (603) 828-7643
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Key Heating & Air
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Key Heating & Air, click “This is My Business” to update your information.
Activity
|
6 projects
|
2025 |
|
5 projects
|
2024 |
|
10 projects
|
2023 |
Our building permit records indicate that Key Heating & Air has worked on at least
21.0 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 |
|
14 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Key Heating & Air mostly works on
hvac project
and mechanical project
projects.
Pricing
|
14 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
The typical size of their permits is approximately $16,740. 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 existing gas furnace with new model.same size and location. replace air conditioning coil. no new piping no new gas piping no electrical work
Valuation:
$13,923
Permit #:
MECH-24-229
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing old air conditioning with new york system; condenser and handler
Valuation:
$15,000
Permit #:
MECH-24-315
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing gas boiler with new bosch gas boiler. no change to gas piping
Valuation:
$17,479
Permit #:
MECH-24-137
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 ftx12nmvju daikin 12k indoor unit 1 rxl12qmvju daikin 12k cold climate high heat outdoor unit
Valuation:
N/A
Permit #:
E-22-021
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$10,000
Permit #:
MP-2025-58
Status:
issued
Fee:
$115
Permit Type:
Gas installation
Building Type:
N/A
Installing a heat pump and air handler
Valuation:
$48,528
Permit #:
MECH-24-45
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new daikin mini split heat pump and head units
Valuation:
$13,727
Permit #:
MECH-23-403
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installing samsung heat pump and two samsung indoor units
Valuation:
N/A
Permit #:
MP-23-029
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Replace existing air handler and condensor
Valuation:
$17,880
Permit #:
MECH-23-135
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Na
Valuation:
$31,000
Permit #:
PMGR-22-553
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new air conditioning and heat pumps. 3 head mini split condensor
Valuation:
$47,840
Permit #:
MECH-23-136
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$28,000
Permit #:
MP-2025-67
Status:
issued
Fee:
$259
Permit Type:
Addition
Building Type:
N/A
N/a
Valuation:
$14,000
Permit #:
PMGR-22-529
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new gas boiler
Valuation:
$19,998
Permit #:
MECH-23-530
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swapping out gas furnace
Valuation:
$7,000
Permit #:
MECH-23-462
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing oil furnace
Valuation:
$9,000
Permit #:
M-23-625
Status:
complete
Fee:
N/A
Permit Type:
Furnace/boiler
Building Type:
Single family
Na
Valuation:
$44,000
Permit #:
PMGR-23-155
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
N/a
Valuation:
$18,838
Permit #:
PMGR-22-763
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
N/a
Valuation:
$18,838
Permit #:
PMGR-22-762
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition sub-panel and connect heat pump
Valuation:
N/A
Permit #:
ER-19-212
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Key Heating & Air Reviews
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Key Heating & Air License info
Inactive License
| License # | 0487C |
| Status | Inactive |
| State | New Hampshire |
| Type | Electricians |
- According to the New Hampshire Joint 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 Key Heating & Air at the New Hampshire Joint Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MBE0900319 |
| Status | Inactive |
| State | New Hampshire |
| Type | Mechanical |
- According to the New Hampshire Joint 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 Key Heating & Air at the New Hampshire Joint Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Key Heating & Air, click “This is My Business” to update your information.
50
Permits
- Building permit records show that Key Heating & Air has worked on 50 permitted projects.