Updated: May 31, 2026
Location and Projects
Address
893 Washington St, Holliston, MA, 01746
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Souzet HVAC Mechanical Inc
We’re at the forefront of today’s best eco-conscious opportunities and cost-saving solutions in the world of HVAC. As one of a limited number of HVAC Mass Save partners, we connect our customers with a strategic Mass Save heat pump rebate, prioritizing the tech advancements that put money back in your pocket and pave the way to a better future.
Souzet HVAC is a full-service heating and air conditioning company. We launched in 2014 to meet Greater Boston’s growing demand for effective heating and cooling systems. We have expanded our services to include installations, repairs, and everything required to give Massachusetts residents the comfortable, temperature-controlled indoor environments they desire.
From BuildZoom: Souzet HVAC Mechanical Inc, 893 Washington St, Holliston, MA holds a Building Licenses, Construction Supervisor license and 2 other licenses according to the Massachusetts license board.
Their BuildZoom score of 116 ranks in the top 2% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Souzet HVAC Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Souzet HVAC Mechanical Inc Contact Information
Phone Number: (508) 720-2021
Address: 893 Washington St, Holliston, MA 01746
Souzet HVAC Mechanical Inc Holliston
Quality
116
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Souzet HVAC Mechanical Inc has a BuildZoom score of 116, which places them above 98% of 139,240 contractors in Massachusetts.
Activity
|
59 projects
|
2025 |
|
4 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Souzet HVAC Mechanical Inc has worked on at least
64.0 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
|
32 projects
|
HVAC projects |
|
3 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Souzet HVAC Mechanical Inc mostly works on
hvac project
and mechanical project
projects.
Pricing
|
17 projects
|
< $5k |
|
36 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
The typical size of their permits is approximately $6,244. 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 Souzet HVAC Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
An air handler will be installed in the attic with two zones and distributed to the main floor. sq ft is under 10, 000 sq ft. renovation. work to be completed: hvac
Valuation:
$31,000
Permit #:
BLD242779
Status:
complete
Fee:
$465
Permit Type:
N/A
Building Type:
N/A
Both systems will be installed on the fourth floor (mechanical room): a) hvac 1 - will be with 2 zones and distributed to the third and second floors; b)hvac 2 - will be single and distributed to the fourth floor
Valuation:
$43,400
Permit #:
SH-22-0069
Status:
issued
Fee:
$440
Permit Type:
HVAC
Building Type:
1to2family
Replace the existing system with a heat pump condenser having a furnace as a backup heat. no changes on the existing ductwork
Valuation:
$10,300
Permit #:
M25-000065
Status:
complete
Fee:
N/A
Permit Type:
Residential mecha...
Building Type:
N/A
115 howe street units 1&2 residential weatherizatin no structual changes
Valuation:
$4,325
Permit #:
BLD251390
Status:
issued
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Residential weatherization and air sealing no structure changes
Valuation:
$8,431
Permit #:
R-25-0234
Status:
issued
Fee:
$50
Permit Type:
Weatherization
Building Type:
N/A
Mass save residential weatherization no structural changes
Valuation:
$6,099
Permit #:
BP-25-392
Status:
issued
Fee:
$105
Permit Type:
Other
Building Type:
N/A
Residential weatherization and air sealing no structure change
Valuation:
$6,855
Permit #:
RB25-000103
Status:
issued
Fee:
N/A
Permit Type:
Existing building
Building Type:
N/A
Residential weatherization and air sealing no structure change
Valuation:
$6,323
Permit #:
RES-071490-2025
Status:
issued
Fee:
$82
Permit Type:
N/A
Building Type:
N/A
Both systems will be installed on the fourth floor (mechanical room): a) hvac 1 - will be with 2 zones and distributed to the third and second floors; b)hvac 2 - will be single and distributed to the fourth floor
Valuation:
$43,400
Permit #:
SH-22-0069
Status:
issued
Fee:
$440
Permit Type:
HVAC
Building Type:
1to2family
Residential weatherization and air sealing no structure change
Valuation:
N/A
Permit #:
RES-071643-2025
Status:
issued
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
27 east street unit # 1 and #2 residential weatherization
Valuation:
$10,411
Permit #:
BLD250595
Status:
issued
Fee:
$156
Permit Type:
N/A
Building Type:
N/A
Residential weatherization and air sealing no structure change
Valuation:
$4,927
Permit #:
RB25-000047
Status:
issued
Fee:
N/A
Permit Type:
Existing building
Building Type:
N/A
Weatherization and air sealing no structural changes
Valuation:
$5,800
Permit #:
R-25-0153
Status:
issued
Fee:
$110
Permit Type:
Weatherization
Building Type:
N/A
Residential weatherization no structure change
Valuation:
$5,238
Permit #:
B25-000464
Status:
issued
Fee:
N/A
Permit Type:
Residential other
Building Type:
N/A
Residential weatherization no structure change
Valuation:
$5,491
Permit #:
B25-000340
Status:
issued
Fee:
N/A
Permit Type:
Residential other
Building Type:
N/A
23-25 coburn street residential weatherization
Valuation:
$6,406
Permit #:
BLD250594
Status:
issued
Fee:
$96
Permit Type:
N/A
Building Type:
N/A
Mass save weatherization no structural changes
Valuation:
$4,889
Permit #:
R-25-0236
Status:
issued
Fee:
$60
Permit Type:
Existing building...
Building Type:
N/A
Mass save weatherization no structural changes
Valuation:
N/A
Permit #:
RES-072413-2025
Status:
issued
Fee:
$81
Permit Type:
N/A
Building Type:
N/A
Mass save weatherization no structural changes
Valuation:
N/A
Permit #:
RES-072287-2025
Status:
issued
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Residential weatherization no structural change
Valuation:
$3,203
Permit #:
BLD202503765
Status:
issued
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Souzet HVAC Mechanical Inc Reviews
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Verified License
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Souzet HVAC Mechanical Inc License info
Verified License
| License # | CS-118861 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Souzet HVAC Mechanical Inc at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 205536 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 05-31-2026 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Souzet HVAC Mechanical Inc at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7494 |
| Status | Active |
| State | Massachusetts |
| Type | Sheetmetal Contractor |
| Class | J1 Unrestricted |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of August, 2024. Check the current license status of Souzet HVAC Mechanical Inc with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
116
BuildZoom Score
Insured
| Insurer | ATLANTIC CASUALTY INS CO |
Insured
| Workers Comp Provider | AIM MUTUAL INSURANCE |
70
Permits
- Building permit records show that Souzet HVAC Mechanical Inc has worked on 70 permitted projects.