Updated: Jun 26, 2026
Location and Projects
Address
57 OZICK DR UNIT I, Durham, CT, 06422
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Robert Hofmiller HVAC/Mechanical Contractor
Robert Hofmiller, 57 Ozick Dr, Durham, CT holds a Heating, Piping & Cooling Unlimited Contractor license and 1 other license according to the Connecticut license board.
Their BuildZoom score of 93 ranks in the top 27% of 12,093 Connecticut licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Robert Hofmiller, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Robert Hofmiller Durham
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Robert Hofmiller has a BuildZoom score of 93, which places them above 73% of 12,093 contractors in Connecticut.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Robert Hofmiller has worked on at least
1.0 project over the past year.
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
|
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.
Install 6 mini splits 2 ton and 3ton (medue) air conditioning mini split piping is not allowed on the exterior of the structure
Valuation:
$15,900
Permit #:
MISC-MEC-25-000128
Status:
issued
Fee:
$554
Permit Type:
Other
Building Type:
N/A
New 22 x 25'6 two-story addition for garage with 2nd story addition over existing garage interior renovations
Valuation:
$175,000
Permit #:
BLD-2021-02887
Status:
approved
Fee:
$1,796
Permit Type:
N/A
Building Type:
N/A
Install 2 ton air handler to new addition with 2 zones will have 2 ton air conditioning system also pipe to new oil boiler with indirect hot water maker
Valuation:
N/A
Permit #:
BLD-2021-02893
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 3 hydro air units 2 in main house replace furnaces install new hydro air 2-1/2 ton to new additon install oil boiler with 55 galon ibc indirct water heater re-using two 4-ton condensers
Valuation:
N/A
Permit #:
BLD-2021-02889
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior renovation to finish basement for playroom gym and bathroom
Valuation:
$60,000
Permit #:
BLD-2022-00079
Status:
complete
Fee:
$616
Permit Type:
N/A
Building Type:
N/A
Addition for 2 bedrooms with unfinished attic. needs misc. structure
Valuation:
$125,000
Permit #:
BLD-2021-02886
Status:
issued
Fee:
$1,283
Permit Type:
N/A
Building Type:
N/A
Install ductless ssytem with 2 heads inside unit hung on outside of rear of garage
Valuation:
N/A
Permit #:
BLD-2022-00083
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Oil to gas conversion replacing boiler and replacement air conditioning system and installing indirect water heater 40 gallon. and installing new 1 gas line from new meter to boiler
Valuation:
N/A
Permit #:
39127
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 3 ton ductless system condenser ahu unit a-106
Valuation:
$5,000
Permit #:
CHVA-11-21-33994
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace air conditioning system
Valuation:
$4,200
Permit #:
H-8-20-30575
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Oil to gas conversion direct vent 95% indirect hwh. remove in house oil tank
Valuation:
$9,000
Permit #:
H-8-16-25039
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new 3 ton air conditioning system in attic needs electrical permit to wire
Valuation:
$9,000
Permit #:
H-7-15-21485
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install two gas fired high efficiency hot air furnaces with air conditioning coils. complete new ductwork and two outside units (condensers) for cooling
Valuation:
N/A
Permit #:
BLD-2009-71036-03
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing natural gas furnace and air conditioning. will exhaust in existing b-vent chimney. the replacement air conditioning - 14.5 seer rating
Valuation:
$7,000
Permit #:
BLD-2014-79126-01
Status:
filed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
New air conditioning system needs electrical permit
Valuation:
$9,000
Permit #:
H-6-16-24514
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove oil boiler & install 95% gas modulating boiler w new heat coil in exisitng air conditioning system making hydro air system
Valuation:
$7,000
Permit #:
BLD-2014-79496-02
Status:
filed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Oil to gas conversion 90+ boiler w 40 gal indirect wtr htr
Valuation:
$7,000
Permit #:
H-8-15-21824
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new gas line. pressure test to feed new boiler. 1 black pipe
Valuation:
$1,800
Permit #:
P-8-16-25041
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace oil boiler and installed fan in the can with 40 gallon heat flo indirect water maker
Valuation:
N/A
Permit #:
M-15-178
Status:
issued
Fee:
N/A
Permit Type:
Mechanical: boile...
Building Type:
N/A
Install new boiler 90+ w indirect 40 gal wtr htr oil to gas
Valuation:
$6,800
Permit #:
H-7-14-18763
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Robert Hofmiller Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Robert Hofmiller License info
Verified License
| License # | HTG.0395212-S1 |
| Status | Active |
| State | Connecticut |
| Type | Heating, Piping & Cooling Unlimited Contractor |
| Date Issued | 09-01-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Robert Hofmiller at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HIC.0639806 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2024. Check the current license status of Robert Hofmiller with the Connecticut Department of Consumer Protection
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
27
Permits
- Building permit records show that Robert Hofmiller has worked on 27 permitted projects.
Robert Hofmiller Employees
RH
Robert Hofmiller