Updated: Jan 01, 2026
Location and Projects
Address
2720 Hobbs Rd, Glenwood, MD, 21738
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ASC HVAC Photos
ASC HVAC
Our business provides residential and commercial heating and air conditioning services to Howard County and surrounding counties in Maryland. We are family-owned with over thirty years of experience providing heating and air conditioning services, installations, repairs, routine maintenance, and more. We handle both businesses and homes, satisfaction guaranteed. Our heating and air conditioning business is fully insured and always on time. We respect your budget, your needs, and your schedule.
From BuildZoom:
ASC HVAC at 2720 Hobbs Rd, Glenwood, MD 21738, has a BuildZoom score of 0 and ranks in the top 99% of 58,058 Maryland contractors.
If you are thinking of hiring ASC HVAC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
ASC HVAC Contact Information
Phone Number: (301) 854-6788
Address: 2720 Hobbs Rd, Glenwood, MD 21738
ASC HVAC Glenwood
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are ASC HVAC, log in and update your license info in the “Edit Profile” tab.
Activity
|
1 project
|
2026 |
|
42 projects
|
2025 |
|
21 projects
|
2024 |
|
18 projects
|
2023 |
Our building permit records indicate that ASC HVAC has worked on at least
82.0 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
|
31 projects
|
Home Additions |
|
5 projects
|
New Constructions |
|
80 projects
|
HVAC projects |
|
4 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that ASC HVAC mostly works on
hvac project
and home addition
projects.
Pricing
|
3 projects
|
< $5k |
|
1 project
|
$5k-$20k |
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.
Residential hvac addition alteration permit
2025-01-22
Single family dwelling extending & adding (4) supplies & (1) return in basement install (1) bathroom fan and exhaust for basement bathroom
Valuation:
N/A
Permit #:
M25000083
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install a 2 zone hvac ductless mini split system
Valuation:
N/A
Permit #:
M25000533
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Install new hvac system and duct work for new addition energy method = prescriptive method
Valuation:
N/A
Permit #:
M25000150
Status:
issued
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Single family dwelling install a ductless mini split energy method = prescriptive method
Valuation:
N/A
Permit #:
M25000082
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install mitsubishi ductless in sun room addition energy method = prescriptive method
Valuation:
N/A
Permit #:
M25000153
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install new supply and return ducts to new addition energy method = prescriptive method
Valuation:
N/A
Permit #:
M25000128
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
2025-04-14
Install a ductless mini split and exhaust fan energy method = prescriptive method
Valuation:
N/A
Permit #:
M25000430
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install a two zone ductless mini-split energy method = prescriptive method
Valuation:
N/A
Permit #:
M25000380
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
2025-02-09
Install new hvac system in new addition energy method = prescriptive method
Valuation:
N/A
Permit #:
M25000152
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Install 5 supplies 1 return vent and 1 bathroom fan for finished basement
Valuation:
N/A
Permit #:
M25000151
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install a new hvac system for existing 2nd floor & new addition extend ducts on first floor from existing to new addition energy method = prescriptive method
Valuation:
N/A
Permit #:
M25001455
Status:
issued
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install new hvac system in addition energy method = prescriptive method
Valuation:
N/A
Permit #:
M25000766
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Extend ductwork from existing system to first floor addition install a new heat pump system for 2nd floor addition
Valuation:
N/A
Permit #:
M25001510
Status:
issued
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
2025-01-30
Install new ducts to addition energy method = prescriptive method
Valuation:
N/A
Permit #:
M25000124
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install 850cfm exhaust and mua system in kitchen hood
Valuation:
N/A
Permit #:
M25000286
Status:
issued
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Relocate and addition suppy outets to remodeled basement
Valuation:
$3,500
Permit #:
M02226075
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Install exhaust ducting for hood and make up air energy method = ua alternative
Valuation:
N/A
Permit #:
M25000790
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Single family dwelling add/alt install ductless mini split and ducted system on the 2nd floor , energy method = prescriptive method
Valuation:
N/A
Permit #:
M24000257
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Install duct work **5 sa & 1 ra** in finished basement
Valuation:
N/A
Permit #:
M25000696
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
2025-05-19
Install make up air duct and exhaust duct
Valuation:
N/A
Permit #:
M25000623
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
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ASC HVAC License info
Unverified License
| Status | Unable To Verify |
- BuildZoom was not able to verify this license with the licensing 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 ASC HVAC, log in and update your license info in the “Edit Profile” tab.
120
Permits
- Building permit records show that ASC HVAC has worked on 120 permitted projects.