Updated: Dec 19, 2025
Location and Projects
Address
386 Dugg Hill Rd, Woodstock, CT, 06281
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Mjwilliams Heating and Air
Mjwilliams Heating and Air at 386 Dugg Hill Rd, Woodstock, CT 06281, has a BuildZoom score of 97 and ranks in the top 18% of 12,093 Connecticut contractors.
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Mjwilliams Heating and Air Contact Information
Phone Number: (508) 949-0035
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Address: 386 Dugg Hill Rd, Woodstock, CT 06281
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Mjwilliams Heating and Air Woodstock
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mjwilliams Heating and Air has a BuildZoom score of 97, which places them above 82% of 12,093 contractors in Connecticut.
Activity
|
10 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Mjwilliams Heating and Air has worked on at least
14.0 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
|
14 projects
|
Mechanical projects |
|
14 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Mjwilliams Heating and Air mostly works on
hvac project
and mechanical project
projects.
Pricing
|
4 projects
|
< $5k |
|
7 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
The typical size of their permits is approximately $10,150. 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 Mjwilliams Heating and Air
This is a sample of this contractor's permits. Click here to access their complete permit history.
Supply and install one mitsubishi outdoor heat pump with one matching indoor air handler with one electric heat strip installed. also included is one erv and ductwork to supply the first floor living space. there are no hvac provisions for the unfinished 2nd floor or basement area in this scope of work
Valuation:
$24,500
Permit #:
25-65M
Status:
expired
Fee:
$325
Permit Type:
HVAC: subcontract...
Building Type:
N/A
Supply and install one outdoor mitsubishi 48 000 btu outdoor unit connected to three indoor ducted air handlers installation of ductwork electrical by others
Valuation:
$38,400
Permit #:
25-41M
Status:
expired
Fee:
$509
Permit Type:
HVAC: subcontract...
Building Type:
N/A
Replace existing 4 ton central air conditioning with 4 ton bryant r454b refrigerant outdoor condenser with matching indoor coil. also replace refrigerant lines. electrical not included and to be done by others
Valuation:
$10,300
Permit #:
25-99M
Status:
final
Fee:
$137
Permit Type:
Air conditioning ...
Building Type:
N/A
Install one mitsubishi 24, 000 heatpump with 2-12000 indoor floor on 3rd floor of home also one 24, 000 btu ducted unit to supply second floor (installed in the 3rd fl kneewalls. electrical not included and to be done by others. the first floor of the home is not included in our scope of work
Valuation:
$28,900
Permit #:
24-69M
Status:
expired
Fee:
$383
Permit Type:
Mechanical stand ...
Building Type:
N/A
Install one 30 000 btu mitsubishi hyper heat outdoor heat pump unit connected to one 18 000 btu indoor wall unit and one 12 000 btu indoor wall unit. electrical not included and to be done by others
Valuation:
$12,800
Permit #:
25-114M
Status:
approved
Fee:
$170
Permit Type:
HVAC: subcontract...
Building Type:
N/A
Supply and install one 9 000 btu 410a mitsubishi heat pump to replace an existing 9000 btu which is malfunctioning. electrical not included and to be done by others changed voltage from 110 to 220
Valuation:
$4,200
Permit #:
25-89M
Status:
final
Fee:
$56
Permit Type:
Air conditioning ...
Building Type:
N/A
Replace existing 12 000 and 24 000 cooling only mini splits with the same size btu mitsubishi cooling only mini split one on one units. electrical not included and to be done by others
Valuation:
$10,100
Permit #:
25-115M
Status:
final
Fee:
$134
Permit Type:
HVAC: subcontract...
Building Type:
N/A
Install 2 bosch heat pumps. one for the first floor and one for the second floor also included is refrigeration and drain lines for each unit and ductwork to supply presently finished rooms electrical work is not included and is to be done by others
Valuation:
$38,000
Permit #:
22-63M
Status:
expired
Fee:
$390
Permit Type:
HVAC: subcontract...
Building Type:
N/A
Addition one 5 ton air conditioning system and necessary piping and ductwork to existing boiler for hydro air to supply new addition to the existing building. electrical not included and to be done by others. by others
Valuation:
$21,800
Permit #:
22-24M
Status:
expired
Fee:
$236
Permit Type:
HVAC: subcontract...
Building Type:
N/A
Installation of one 24, 000 mitsubishi outdoor heat pump unit with one 15, 000 & one 9, 000 btu indoor wall unit. electrical not included and to be done by others
Valuation:
$10,800
Permit #:
24-38M
Status:
expired
Fee:
$143
Permit Type:
Air conditioning ...
Building Type:
N/A
Installation of one 15, 000 btu mitsubishi hyper heat heat pump electrical is not included and to be done by others
Valuation:
$5,007
Permit #:
23-29M
Status:
expired
Fee:
$52
Permit Type:
Mechanical stand ...
Building Type:
N/A
Replace existing air conditioning equipment with new outdoor and indoor air conditioning units. electrical is not included and is to be done by other
Valuation:
$8,350
Permit #:
21-23M
Status:
expired
Fee:
$102
Permit Type:
Air conditioning ...
Building Type:
N/A
Install one 12, 000 btu mitsubishi ductless split heat pump electrical work not included and to be done by others
Valuation:
$4,850
Permit #:
23-47M
Status:
expired
Fee:
$66
Permit Type:
HVAC: subcontract...
Building Type:
N/A
Installation of two mitsubishi heat pumps electrical not included to be done by others
Valuation:
$8,930
Permit #:
22-127M
Status:
expired
Fee:
$92
Permit Type:
HVAC: subcontract...
Building Type:
N/A
Install one mitsubishi cooling only ductless split electrical is not included and to be done by others
Valuation:
$3,700
Permit #:
21-97M
Status:
complete
Fee:
$38
Permit Type:
Air conditioning ...
Building Type:
N/A
Install one 42000 mitsubishi outdoor unit with 4 indoor wall units
Valuation:
$14,863
Permit #:
21-13M
Status:
expired
Fee:
$164
Permit Type:
Mechanical stand ...
Building Type:
N/A
Installation of one mitsubishi outdoor unit with two indoor wall units. electrical to be done by others
Valuation:
$5,800
Permit #:
20-57M
Status:
complete
Fee:
$60
Permit Type:
Residential mecha...
Building Type:
N/A
Install central air conditioning
Valuation:
$12,500
Permit #:
21-27M
Status:
complete
Fee:
$128
Permit Type:
Air conditioning ...
Building Type:
N/A
Replace existing oil heating system with a heat pump propane furnace
Valuation:
$5,000
Permit #:
19-61M
Status:
complete
Fee:
$51
Permit Type:
N/A
Building Type:
N/A
Installation of one propane fired 90% warm air furnace with duct work for the second floor and one unit heater for the first floor
Valuation:
$22,700
Permit #:
18-47M
Status:
final
Fee:
$233
Permit Type:
Residential Mecha...
Building Type:
N/A
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Mjwilliams Heating and Air Reviews
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Recent Buildzoom Projects
Mjwilliams Heating and Air License info
License Not Required
| Status | Not Required |
- BuildZoom verified in July, 2019 that this contractor does not need a license to be a contractor in Connecticut.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
25
Permits
- Building permit records show that Mjwilliams Heating and Air has worked on 25 permitted projects.