Updated: May 29, 2026
Location and Projects
Address
Boonsboro, MD, 21713
Use our bidding system to
request a quote
Andrew Scott Karr HVAC/Mechanical Contractor
Andrew Scott Karr, Boonsboro, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license according to the Maryland license board.
Their BuildZoom score of 96 ranks in the top 20% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Andrew Scott Karr, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Andrew Scott Karr Contact Information
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical for new champion split dual fuel system as follows: one thf2b48t21s heat pump one xafc60hxxn1 cased coil one tm9e100c20mp12 gas furnace one th8-wf vision pro 8000 thermostat and related components same fuel type and same size equipment
Valuation:
N/A
Permit #:
2023-03099
Status:
approved
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Residential mechanical permit
3009 Stonewall Passage, Rohrersville, Md 21779, Washington County, MD, 65114
2023-04-10
Installing 2 new heat pump systems with ductwork for one story single family dwelling. sweetwater crossing lot 7
Valuation:
N/A
Permit #:
2022-05823
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Adding branch duct to basement hvac equipment is existing in connection with 848 sq ft basement finishing to be used as craft room/office bedroom with new egress window play area living room/theatre and full bathroom maple valley estates section c lot 65
Valuation:
N/A
Permit #:
2017-01484
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Replacing 34 000 btus heat pump system with like heat pump system in same location
Valuation:
N/A
Permit #:
2022-02471
Status:
approved
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Replacing an existing air conditioning system with a new heat pump system and 8kw
Valuation:
N/A
Permit #:
2022-02167
Status:
complete
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Mechanical to remove existing furnace and install same size condensing furnace
Valuation:
N/A
Permit #:
2022-00931
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Replacing existing gas furnace system with new gas furnace system
Valuation:
N/A
Permit #:
2022-02079
Status:
approved
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Remove old propane fired water boiler and install new propane fired water boiler
Valuation:
N/A
Permit #:
2023-00229
Status:
approved
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Replacing a gas furnace and air conditioning system with like system in same location
Valuation:
N/A
Permit #:
2021-02706
Status:
complete
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Install a 24 000 btus hvac system with duct work. no existing equipment
Valuation:
N/A
Permit #:
2023-00851
Status:
approved
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Remove existing 70k btu oil furnace and 2 ton air conditioning system and replace with same size oil furnace and air conditioning system
Valuation:
N/A
Permit #:
2019-01379
Status:
approved
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Remove old oil fired boiler and install new oil fired boiler
Valuation:
N/A
Permit #:
2023-00237
Status:
complete
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Installing 24, 000 btus hvac system with duct work
Valuation:
N/A
Permit #:
2023-00846
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
We are replacing the gas furnace and air conditioning at this address
Valuation:
N/A
Permit #:
2020-03496
Status:
approved
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Remove existing 90% gas furnace and install new 90% gas furnace
Valuation:
N/A
Permit #:
2019-00691
Status:
approved
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Installing (2) ductless mini-split systems for interior renovations to kitchen to include all new electric plumbing and cabinets second floor renovations to include converting bedroom #4 into two baths full bathroom will be accessible from master bedroom rough in bathroom for future use will be accessible from hallway
Valuation:
N/A
Permit #:
2015-03120
Status:
complete
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Installing new gas furnace with air conditioning remove current air conditioning system (heat was previously baseboard) existing ductwork new system btus: input 80, 000 output 64000
Valuation:
N/A
Permit #:
2016-05671
Status:
complete
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Remove old gas furnace and air conditioning and removed old heat pump system replace with same size g/f air conditioning & heat pump systems
Valuation:
N/A
Permit #:
2016-00792
Status:
complete
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Replace existing gas furnace and air conditioning with same size system 100k btu input 97k btu output
Valuation:
N/A
Permit #:
2018-04270
Status:
approved
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Remove an old gas furnace and installing same size gas furnace in its place
Valuation:
N/A
Permit #:
2019-04208
Status:
approved
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
122
BZ Score
$300K
Avg Project
-
Projects
117
BZ Score
-
Avg Project
-
Projects
License # 100269
Gaithersburg, MD
120
BZ Score
-
Avg Project
-
Projects
Andrew Scott Karr Reviews
BuildZoom hasn't received any reviews for Andrew Scott Karr. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Andrew Scott Karr License info
Verified License
| License # | 17747 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Andrew Scott Karr at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
32
Permits
- Building permit records show that Andrew Scott Karr has worked on 32 permitted projects.
Andrew Scott Karr Employees
AK
Andrew Scott Karr
Owner