Updated: Oct 02, 2025
Location and Projects
Address
31 Hiawatha Ave, Waltham, MA, 02451
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Energy Tech Solutions Construction
Energy Tech Solutions Inc, 31 Hiawatha Ave, Waltham, MA (Owned by: David Marchetti) holds a Home Improvement Contractor license and 3 other licenses according to the Massachusetts license board.
Their BuildZoom score of 91 ranks in the top 37% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Energy Tech Solutions Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Energy Tech Solutions Inc Services
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Energy Tech Solutions Inc Contact Information
Phone Number: (781) 373-2275
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Address: 31 Hiawatha Ave, Waltham, MA 02451
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Building Permits by Energy Tech Solutions Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Insulate exterior walls with dense pack cellulose and attic roof rafters and gable ends with closed cell insulation
Valuation:
$8,973
Permit #:
13050141
Status:
complete
Fee:
$167
Permit Type:
N/A
Building Type:
N/A
Insulation through mass save rebate program: dense pack cellulose in kneewall floor (90 sq ft) enclosed 3 fiberglass batting in open kneewall (90 sq ft) 4 dense pack cellulose in clapboard sided wall (2364 sq ft) 4 dense pack cellulose in 3rd floor clapboarded wall (300 sq ft)
Valuation:
$6,022
Permit #:
B14-000464
Status:
issued
Fee:
$183
Permit Type:
N/A
Building Type:
N/A
Closed cell spray foam to crawlspaces to stretch code r30 for floor neither space used for storage or to house mech./not accessible no firepaint needed
Valuation:
$2,725
Permit #:
13100102
Status:
complete
Fee:
$51
Permit Type:
N/A
Building Type:
N/A
Insulation through mass save rebate program: dense pack cellulose in kneewall floor (90 sq ft) enclosed 3 fiberglass batting in open kneewall (90 sq ft) 4 dense pack cellulose in clapboard sided wall (2364 sq ft) 4 dense pack cellulose in 3rd floor clapboarded wall (300 sq ft)
Valuation:
$6,022
Permit #:
B14-000464
Status:
issued
Fee:
N/A
Permit Type:
Residential alter...
Building Type:
N/A
Insulate crawlspace under addition with closed cell spray foram 4.75 to r30. debris to be hauled away no dumpster
Valuation:
$1,900
Permit #:
13080006
Status:
complete
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Insulate with spray foam rim joists/sill plate; crawlspace;3rd fl eave with firepaint
Valuation:
$2,750
Permit #:
13080402
Status:
complete
Fee:
$51
Permit Type:
N/A
Building Type:
N/A
Insulation through masssave; insulate wood shingle sided wall with cellulose
Valuation:
$2,555
Permit #:
14070491
Status:
filed
Fee:
$48
Permit Type:
N/A
Building Type:
N/A
Install insulation to attic and crawlspace- open cell spray foam with fire. no structural work
Valuation:
$6,375
Permit #:
12120226
Status:
complete
Fee:
$119
Permit Type:
N/A
Building Type:
N/A
Spray foam unfinished attic with open cell w firepatin as necessary
Valuation:
$3,000
Permit #:
14060830
Status:
filed
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
Street: stand insulation truck at curb occupy sidewalk w/ramp for hose
Valuation:
$0
Permit #:
OCCU-355503
Status:
Closed
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
Street: stand one truck at curb on 8/15 & 2 trucks at curb on 8/16
Valuation:
$0
Permit #:
OCCU-273174
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Insulate exterior walls with 4 dense pack cellulose per plan
Valuation:
N/A
Permit #:
R-13-0611
Status:
issued
Fee:
$36
Permit Type:
N/A
Building Type:
N/A
Open cell spray foam insulation
Valuation:
$4,725
Permit #:
B-223
Status:
N/A
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Insulate 3rd floor with open cell spray foam
Valuation:
$16,725
Permit #:
14040771
Status:
complete
Fee:
$311
Permit Type:
N/A
Building Type:
N/A
Insulate walls with 4 dense pack cellulose
Valuation:
N/A
Permit #:
R-13-0689
Status:
issued
Fee:
$48
Permit Type:
N/A
Building Type:
N/A
4 dense pack cellulose insulation from exterior. all 6 units approx 8400 sq ft
Valuation:
$16,500
Permit #:
B14-000599
Status:
issued
Fee:
$323
Permit Type:
N/A
Building Type:
N/A
Garage insulation
Valuation:
$0
Permit #:
BLD151211
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install foam insulation to main attic roof rafters and gable ends
Valuation:
$3,825
Permit #:
13060664
Status:
complete
Fee:
$71
Permit Type:
N/A
Building Type:
N/A
Removal/disposal of existing insulation in 3rd fl attic floor and 3rd fl kneewall. open cell spray foram to 3rd fl anove attic flat roof rafters closet dormer roof rafters, etc
Valuation:
$5,275
Permit #:
14110615
Status:
filed
Fee:
$98
Permit Type:
N/A
Building Type:
N/A
Insulation of mud room addition in back of house-open cell spray foam to walls and roof closed cell spray foam to underside of floor
Valuation:
N/A
Permit #:
R-10-0386
Status:
final
Fee:
$24
Permit Type:
N/A
Building Type:
N/A
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Energy Tech Solutions Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Energy Tech Solutions Inc License info
Verified License
| License # | 182675 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for Energy Tech Solutions Inc at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 103724 |
| Status | Inactive |
| City | Newton |
| Type | Building Contractor |
- According to the City of Newton Massachusetts, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Energy Tech Solutions Inc at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 103724 |
| Status | Inactive |
| City | Newton |
| Type | Residential Builder |
- According to the City of Newton Massachusetts, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Energy Tech Solutions Inc at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 164349 |
| Status | Inactive |
| State | Massachusetts |
| Type | Home Improvement Contractor |
- According to the Mass.gov Consumer Affairs and Business Regulation, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Energy Tech Solutions Inc at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
42
Permits
- Building permit records show that Energy Tech Solutions Inc has worked on 42 permitted projects.
Energy Tech Solutions Inc Employees
CJ
Carolyn Johnston
Owner
DM
David Marchetti
Owner
NG
Nery A Galicia
President
NG
Nery Galicia
Owner