Updated: May 30, 2026
Location and Projects
Address
9801 HILLTOP DRIVE, Baltimore, MD, 21234
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Unison Cooling and Heating
Their BuildZoom score of 91 ranks in the top 37% of 58,058 Maryland licensed contractors.
If you are thinking of hiring Unison Cooling and Heating, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Unison Cooling and Heating Contact Information
Address: 9801 HILLTOP DRIVE, Baltimore, MD 21234
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Building Permits by Unison Cooling and Heating
This is a sample of this contractor's permits. Click here to access their complete permit history.
Duct work- finish basement for family room/laundry/utility storage room/pantry/bathroom/bedroom/office shall not be used as an apartment or separate living quarters
Valuation:
$25,000
Permit #:
MR-001448-2017
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Replace furnace replace 70000 btu gas furnace. gas work to be done by others
Valuation:
N/A
Permit #:
M02185801
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
New heat pump w/gas furnace-duct work-1st floor renovations
Valuation:
$12,000
Permit #:
MR-009277-2016
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Exhaust fan & addition 1 supply air fan (jen-nic pet food)
Valuation:
N/A
Permit #:
MC-002658-2018
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install duct work only-tenant fitout-mathasium
Valuation:
N/A
Permit #:
MC-001174-2017
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Wiring to replace heat pump system
Valuation:
N/A
Permit #:
ER-004762-2018
Status:
issued
Fee:
N/A
Permit Type:
Miscellaneous
Building Type:
N/A
Replace heat pump replace heat pump
Valuation:
N/A
Permit #:
MR-001700-2017
Status:
issued
Fee:
N/A
Permit Type:
Miscellaneous
Building Type:
N/A
Replace furnace and air conditioning
Valuation:
N/A
Permit #:
MR-000406-2017
Status:
issued
Fee:
N/A
Permit Type:
Miscellaneous
Building Type:
N/A
Replace hvac equipment heat pump
Valuation:
N/A
Permit #:
MR-008529-2018
Status:
issued
Fee:
N/A
Permit Type:
Miscellaneous
Building Type:
N/A
Replace furnace
Valuation:
N/A
Permit #:
MR-001426-2018
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Hvac for good time liquors-tenant fit out with modifications suites a&b
Valuation:
$373,554
Permit #:
MC-009815-2018
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Existing heating & air (adding to it) for two story addition: 1st fl: powder room/closet/master bath/bedroom//2nd fl addition: storage/full bath/great room 1st floor expansion of dining room/front porch
Valuation:
$150,000
Permit #:
MR-014008-2016
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Install (2) heat pumps/ductwork for island liquors - retail/liquor store/10x10 dumpster enclosure
Valuation:
$250,000
Permit #:
MC-009165-2016
Status:
issued
Fee:
N/A
Permit Type:
Tenant space
Building Type:
N/A
Install new heat pump for enclosing carport to make dining room / adding front porch /interior renovation for bathroom
Valuation:
$30,000
Permit #:
MR-003731-2018
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Install ducted mini-split heat pump -remove and replace existing deck and renovate existing addition
Valuation:
$100,000
Permit #:
MR-011198-2017
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new hvac system/duct work including bathroom fan & dryer vent - for single family dwelling w/2-car garage unfinished basement
Valuation:
$400,000
Permit #:
MR-017036-2017
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace furnace and air conditioning install complete duct work system accommodating 3 floors. replace 4 ton (48k btu) heat pump system
Valuation:
N/A
Permit #:
M02167943
Status:
complete
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Replace flex tubing (duct work only) due to fire damage repairs-replace roof rafters floor trusses plywood insulation and drywall on all floors
Valuation:
$23,000
Permit #:
MR-008790-2016
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Hvac ductwork for rehab of entire house/drywall/floors/plumbing/electric/front and side porch --new roof covered front porch--
Valuation:
N/A
Permit #:
MR-015108-2016
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Install (2) gas furances (2) heat pumps & (2) space heaters for garage-single family dwelling 4car garage-finished basement
Valuation:
$450,000
Permit #:
MR-014677-2017
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Unison Cooling and Heating License info
License Not Verified
| License # | 29101 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of Unison Cooling and Heating 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 # | 29100 |
| Status | Active |
| State | Maryland |
| Type | Contractor (Corppart) Home Improvement |
- When BuildZoom last verified this license, it had an expiration date of June, 2014. Check the current license status of Unison Cooling and Heating with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
426
Permits
- Building permit records show that Unison Cooling and Heating has worked on 426 permitted projects.
Unison Cooling and Heating Employees
MC
Matthew John Cohill
UH
Unison Cooling & Heating
Owner