Updated: May 25, 2026
Location and Projects
Address
23327 RINGGOLD PIKE, Smithsburg, MD, 21783
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Mace Energy Supply Construction
Specializing in geothermal heating and cooling solutions, Mace Energy Supply Inc serves residential and commercial clients in Smithsburg, Maryland, and the surrounding region. With over two decades of experience, the company provides system design, product sales, and technical support for geothermal heat pumps and loop installations. Mace Energy Supply’s portfolio includes both new construction and retrofit projects, with expertise in designing closed-loop and open-loop geothermal systems tailored to site-specific needs. The company supplies a range of geothermal equipment, including heat pumps, piping, and accessories, to HVAC contractors and property owners. Known for sharing system design guidance and technical resources, Mace Energy Supply supports efficient and sustainable geothermal installations throughout western Maryland and neighboring areas.
Mace Energy Supply Inc Services
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Mace Energy Supply Inc Contact Information
Phone Number: (301) 824-6223
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Address: 23327 RINGGOLD PIKE, Smithsburg, MD 21783
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Mace Energy Supply Inc Smithsburg
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mace Energy Supply Inc has a BuildZoom score of 107, which places them above 94% of 58,058 contractors in Maryland.
Activity
|
9 projects
|
2025 |
|
14 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Mace Energy Supply Inc has worked on at least
27.0 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.
Pricing
|
5 projects
|
< $5k |
|
22 projects
|
$5k-$20k |
The typical size of their permits is approximately $8,126. 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 Mace Energy Supply Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Installation of pellet stove in place of existing pellet stove located in family room
Valuation:
$8,365
Permit #:
489036
Status:
complete
Fee:
$101
Permit Type:
Resuses
Building Type:
N/A
Installation of a wood insert (green mountain insert 70 model 8450) in the family room
Valuation:
$8,485
Permit #:
488278
Status:
canceled
Fee:
$101
Permit Type:
Resuses
Building Type:
N/A
Installation of a pellet stove (accentra insert 52itc) in the basement family room
Valuation:
$9,186
Permit #:
487897
Status:
complete
Fee:
$101
Permit Type:
Resuses
Building Type:
N/A
Removing existing wood stove and installing a pellet stove insert in family room
Valuation:
$12,199
Permit #:
486751
Status:
canceled
Fee:
N/A
Permit Type:
Resuses
Building Type:
N/A
Install a harman pellet stove on existing pad in living room
Valuation:
$1,166
Permit #:
493686
Status:
complete
Fee:
$101
Permit Type:
Resuses
Building Type:
N/A
Installation of herman accentra 52i pellet stove insert. connecting to existing liner
Valuation:
N/A
Permit #:
M-20221335
Status:
complete
Fee:
N/A
Permit Type:
Mechanical reside...
Building Type:
N/A
Installation of accentra 52itc wrs pellet stove insert into family room
Valuation:
$7,904
Permit #:
429771
Status:
complete
Fee:
$91
Permit Type:
Resuses
Building Type:
N/A
Installation of harman p61-c pellet stove replacing existing wood stove in family room
Valuation:
$8,356
Permit #:
473768
Status:
complete
Fee:
$98
Permit Type:
Resuses
Building Type:
N/A
Installation of clydesdale woodstove insert into family room
Valuation:
$6,477
Permit #:
477513
Status:
complete
Fee:
$98
Permit Type:
Resuses
Building Type:
N/A
Installation of absolute63 wrs pellet stove in family room
Valuation:
$7,559
Permit #:
385007
Status:
complete
Fee:
$88
Permit Type:
Resuses
Building Type:
N/A
Installation of harman accentra 52i pellet stove insert into upstairs fireplace
Valuation:
$8,776
Permit #:
448804
Status:
complete
Fee:
$91
Permit Type:
Resuses
Building Type:
N/A
Installation of hei 240 wood stove insert into family room
Valuation:
$4,056
Permit #:
426837
Status:
complete
Fee:
$91
Permit Type:
Resuses
Building Type:
N/A
Installation of a pellet stove in the upstairs bedroom
Valuation:
$8,069
Permit #:
485439
Status:
complete
Fee:
$101
Permit Type:
Resuses
Building Type:
N/A
Installation of p68-c pellet stove in family room
Valuation:
$9,198
Permit #:
428587
Status:
complete
Fee:
$91
Permit Type:
Resuses
Building Type:
N/A
Installation of accentra52i wrs pellet stove in masonry fireplace in family room
Valuation:
$8,164
Permit #:
372141
Status:
complete
Fee:
$88
Permit Type:
Resuses
Building Type:
N/A
Installation of vermont casting defiant wood stove into family room
Valuation:
$6,626
Permit #:
474237
Status:
complete
Fee:
$98
Permit Type:
Resuses
Building Type:
N/A
Installation of mansfield woodstove into lower level family room
Valuation:
$8,349
Permit #:
471781
Status:
complete
Fee:
$98
Permit Type:
Resuses
Building Type:
N/A
Installation of a pellet stove insert into family room fireplace
Valuation:
$6,626
Permit #:
318758
Status:
complete
Fee:
N/A
Permit Type:
Resuses
Building Type:
N/A
Installation of (mansfield model 8013) wood stove in a walk-in fireplace in the dining room
Valuation:
$7,927
Permit #:
486408
Status:
complete
Fee:
$101
Permit Type:
Resuses
Building Type:
N/A
Installation of harman accentra 52itc wrs pellet stove insert into living room of rancher
Valuation:
$8,156
Permit #:
476996
Status:
complete
Fee:
$98
Permit Type:
Resuses
Building Type:
N/A
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BZ Score
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Avg Project
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BZ Score
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BZ Score
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Avg Project
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Projects
Mace Energy Supply Inc Reviews
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Mace Energy Supply Inc License info
Verified License
| License # | 100715 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mace Energy Supply Inc at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 128361 |
| Status | Active |
| State | Maryland |
| Type | Contractor (Corppart) Home Improvement |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Mace Energy Supply Inc with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PA027215 |
| Status | Active |
| State | Pennsylvania |
| Type | Sales And Installation Of Hearth Products Including Wood, Coal, Pellet And Gas Stoves And Inserts. Mace Energy Also Offers Chimney Cleaning And Relining Services, Maintenance And Repair Of Hearth Appliances, And Sales Of Accessories. |
- When BuildZoom last verified this license, it had an expiration date of July, 2017. Check the current license status of Mace Energy Supply Inc with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 70774 |
| Status | Inactive |
| State | Maryland |
| Type | Plumbers |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 Mace Energy Supply Inc at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Zurich |
| Insured up to | $1,000,000 |
262
Permits
- Building permit records show that Mace Energy Supply Inc has worked on 262 permitted projects.
Mace Energy Supply Inc Employees
LT
Louis E Tweed
Owner
MI
Mace Energy Supply Inc
Owner
WT
William A. Tweed
President
WT
William Tweed