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Location and Projects

Address
222 Bosley Ave, Towson, MD, 21204
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United Air Temp Plumber

When you need HVAC or plumbing services for your home, United Air Temp is the company to call. For more than 90 years, we've provided reliable HVAC and plumbing services to homeowners who expect only the best in home comfort solutions.

You're always in good hands with the team at United Air Temp! Our NATE-certified technicians and licensed plumbers can solve any home heating, air conditioning, or plumbing problem you have and deliver unparalleled customer care and service.

From BuildZoom: United Air Temp, 222 Bosley Ave, Towson, MD (Owned by: John Louis Guanti) holds a Renovation license and 8 other licenses according to the Environmental Protection Agency license board.

Their BuildZoom score of 112 ranks in the top 3% of 58,058 Maryland licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring United Air Temp, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

United Air Temp Services

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HVAC

United Air Temp Contact Information

Phone: (410) 453-8382
Address: 222 Bosley Ave, Towson, MD 21204

United Air Temp Towson

Quality

112
97th percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
United Air Temp has a BuildZoom score of 112, which places them above 97% of 58,058 contractors in Maryland.

Activity

10 projects
 2026
648 projects
 2025
429 projects
 2024
522 projects
 2023
Our building permit records indicate that United Air Temp has worked on at least 1609.0 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.

Experience

6 projects
 Home Additions
1324 projects
 Plumbing projects
Analyzing permits over the last 4 years shows that United Air Temp mostly works on plumbing project and home addition projects.

Pricing

191 projects
 < $5k
1 project
 $250k-$500k
Value Not Public: 1491.0 projects
The typical size of their permits is approximately $1,200. 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 United Air Temp

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Residential hvac addition alteration permit
6926 Red Clay Frg, Elkridge, MD, 21075
2025-09-30
Like for like replacement of a goodman 14.3 seer2 glxs4ba3010 air conditionrer and an goodman gr9s800603bn gas furnace the associated owner is renting out to a tenant. the work is being done at the tenants home (6926 red clay frg
Valuation:
N/A
Permit #:
M25001432
Status:
issued
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
10016 Emily Fox Ct, Ellicott City, MD, 21042
2025-09-16
Like for like replacement of a state power vent 50-gal hot water tank. 1 state power vent hot water tank 1 goodman gr9s920603bn gas furnace and a new gas service supply line all in the main home
Valuation:
N/A
Permit #:
P25003831
Status:
issued
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
5755 Cedar Ln, Columbia, MD, 21044
2023-01-17
Starbucks cafe/minor demolition of domestic water piping. installation of sanitary and vent piping for 6 new floor sinks. 1 new floor mounted grease trap. new domestic water piping 1 new water heater recirculation pump and expansion tank. installation of 1 water filter system. installation of 4 trap primers. 9 backflow preventers - soda dispenser - dual check valve asse 1022 coffee ma... see more
Valuation:
N/A
Permit #:
P23000224
Status:
complete
Fee:
$672
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
1580 W Nursery Rd, Linthicum Heights, MD, 21090
2024-11-15
Furnish and install new vav system (6) fcu's and associated mechanical ductwork and piping
Valuation:
$400,000
Permit #:
M02223812
Status:
complete
Fee:
$2,240
Permit Type:
N/A
Building Type:
N/A
Electrical permit
2815 Berth Ct, Annapolis, MD, 21401
2025-05-23
Like for like replacement of an american standard r454b 5tem4b02ac2 2t air handler and an american standard r454b 14.3sr2 2t heat pump
Valuation:
N/A
Permit #:
E02414148
Status:
filed
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
8891 Willowwood Way, Jessup, MD, 20794
2025-04-10
Like for like replacement of a american standard r454b 14.3sr2 2.5t heat pump and an american standard r454b 5tem4b02ac2 2t air handler
Valuation:
N/A
Permit #:
M25000407
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
800 Lilac Ct, Odenton, MD, 21113
2025-06-06
Like for like replacement of an american standard r454b 14sr2 air conditioning and a american standard s8v2b080m4 gld sv gas furnace
Valuation:
$2,400
Permit #:
M02227957
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential electrical addition alteration permit
8051 Gabriels Ct, Jessup, MD, 20794
2025-09-22
Like for like replacement of an american standard 5tem4d04ac3 heat pump and an american standard 14.3sr2 5a6h4030 air handler and a 60 amp fused disconnect
Valuation:
N/A
Permit #:
E25005562
Status:
issued
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Mechanical permit - residential
3511 Fox Ridge Rd, Waldorf, MD, 20601
2025-08-25
Replacement of like for like 14.3 seer2-all-2.5 ton-single stage-a5hp4030a1000a heat pump and a 2.5 ton-17.5 in-air handler-multispeed-wchl305ab air handler
Valuation:
N/A
Permit #:
MECH-251028
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
8923 Good Harvest Ct, Jessup, MD, 20794
2025-02-26
Replacement of a heat pump and air handler with a goodman 14.3seer2 heat pump and a goodman ecm air handler
Valuation:
N/A
Permit #:
M25000235
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
5755 Cedar Ln, Columbia, MD, 21044
2022-12-22
Howard county general hospital breast center/demolition of sanitary piping on level 0 demolition of 12 plumbing fixtures on level 1 demolition of domestic water and sanitary piping on level 1 installation of new sanitary piping on level 0 installation of new sanitary and domestic water piping on level 1 and installation of 24 new plumbing fixtures and 5 new 3 floor drains installation... see more
Valuation:
N/A
Permit #:
P22005158
Status:
complete
Fee:
$232
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
707 Chessie Crossing Way, Woodbine, MD, 21797
2025-02-27
Single family dwelling replacement of 1-gas furnace replacement of a gman gr9t960803bn gas furnace
Valuation:
N/A
Permit #:
P25000812
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
6340 Early Red Ct, Columbia, MD, 21045
2025-01-09
Like for like replacement of a goodman 14.3seer2 gszb4030 heat pump and a goodman 9spd ecm air handler
Valuation:
N/A
Permit #:
M25000035
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
1580 W Nursery Rd, Linthicum Heights, MD, 21090
2024-12-04
Renovation of heating/cooling system
Valuation:
$440,000
Permit #:
M02222514
Status:
complete
Fee:
$2,460
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
9861 Lyon Ave, Laurel, MD, 20723
2025-03-21
Like for like replacement of a 14.3sr2 2.5 ton air conditioner **need make and model of equip**/**5.7.25 revision to addition 1-gas furnace - like for like replacement of s9v2b090u4psa gold zm gas furnace 90 000 btu's 2.5 gas pip diameter**
Valuation:
N/A
Permit #:
M25000316
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
5022 Round Tower Pl, Columbia, MD, 21044
2025-02-27
Replacement of: 1-gas furnace - goodman gm9c800804 80% and 1-gas water heater- 50gal gas hwt tall
Valuation:
N/A
Permit #:
P25000810
Status:
complete
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Electrical permit
3515 Piney Woods Pl, Laurel, MD, 20724
2025-07-28
Like for like replacement of a hydronic air handler 24hbqb and a goodman glxs4ba2410 air conditioning and replacement of a 30 amp disconnect
Valuation:
N/A
Permit #:
E02416518
Status:
filed
Fee:
$68
Permit Type:
N/A
Building Type:
N/A
One and two family combo permit
3824 Deckerts Ln, Nottingham, MD, 21236
2025-06-27
Like for like replacement of an american standard s9b1c100u5psaa gas furnace 100000 btus
Valuation:
N/A
Permit #:
BRCM-25-011365
Status:
complete
Fee:
$57
Permit Type:
Interior trades only
Building Type:
N/A
Residential electrical addition alteration permit
4913 W Running Brook Rd, Columbia, MD, 21044
2025-10-09
Like for like replacement of 14.3 seer2-all-3 ton-single stage-glxs4ba3610 air conditioning unit and replacement of 30 amp disconnect
Valuation:
N/A
Permit #:
E25005950
Status:
issued
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Residential electrical addition alteration permit
6926 Red Clay Frg, Elkridge, MD, 21075
2025-09-30
Like for like replacement of a goodman 14.3 seer2 glxs4ba3010 air conditioner goodman capta3026b3 coil and replacing a 30 amp disconnect
Valuation:
N/A
Permit #:
E25005733
Status:
issued
Fee:
$55
Permit Type:
N/A
Building Type:
N/A

United Air Temp Reviews

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