Updated: Mar 15, 2026
Location and Projects
Address
24 Rockdale St, Worcester, MA, 01606
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Modern Energy HVAC/Mechanical Contractor
Modern Energy LLC, 24 Rockdale St, Worcester, MA (Owned by: Jeff Vlk) holds a Home Improvement Contractor license according to the Massachusetts license board.
Their BuildZoom score of 111 ranks in the top 4% of 139,240 Massachusetts licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Modern Energy LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Modern Energy LLC Contact Information
Phone Number: (508) 434-5879
Address: 24 Rockdale St, Worcester, MA 01606
Modern Energy LLC Worcester
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Modern Energy LLC has a BuildZoom score of 111, which places them above 96% of 139,240 contractors in Massachusetts.
Activity
|
33 projects
|
2025 |
|
60 projects
|
2024 |
|
38 projects
|
2023 |
Our building permit records indicate that Modern Energy LLC has worked on at least
131.0 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
|
4 projects
|
Home Additions |
|
82 projects
|
HVAC projects |
|
6 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Modern Energy LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
66 projects
|
< $5k |
|
32 projects
|
$5k-$20k |
|
16 projects
|
$20k-$50k |
The typical size of their permits is approximately $4,200. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Installing ductless mini split heat pump system with 2 outdoor units. sq ft is under 10 000 sq ft. new work. work to be completed: hvac
Valuation:
$28,300
Permit #:
BLD251129
Status:
issued
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
Installing ductless mini split heat pump system with 1 outdoor unit. sq ft is under 10 000 sq ft. new work. work to be completed: hvac
Valuation:
$5,650
Permit #:
BLD251546
Status:
issued
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Furnish and install forty-seven (47) self-dimming led dome fixtures to replace existing in common area hallways. furnish and install three (3) exterior flood fixtures to replace existing at building entrances furnish and install twelve (12) post top retro-fit kits to replace existing in site exterior walkways and parking area
Valuation:
$9,447
Permit #:
E-22-0433
Status:
issued
Fee:
$112
Permit Type:
N/A
Building Type:
Commercial
42 in community room in community building 4 office in community building 14 in main office of community building 4 bathrooms of community building 72 common hallway lighting in all buildings both front and rear hallways replace 12 fixtures in maintenance garage
Valuation:
$12,100
Permit #:
E-22-0002
Status:
expired
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Damming: install 12 layer of r-38 unfaced fiberglass batts to (96) sqft damming: install 12 layer of r-38 unfaced fiberglass batts to (42) sqft attic flat: install a 9 layer of r-33 class 1 cellulose added to (820) square feet of open attic space. attic flat: install a 7 layer of r-26 class i cellulose added to (250) square feet of open attic space. attic access: weatherstrip the peri... see more
Valuation:
$3,250
Permit #:
B-22-972
Status:
issued
Fee:
N/A
Permit Type:
Express: insulati...
Building Type:
One & two family
Air sealing door sweep exterior door weather stripping attic stair cover w carpentry sheathing access without wx sheathing access damming attic floor 6 dense pack cellulose attic slope 4 dense pack cellulose rim joist 2 thermal barrier polyiso kneewall wall 3 fiberglass batting kneewall wall 2 thermal barrier polyiso crawlspace ceiling 9 fiberglass batting crawlspace ceiling 2 thermal... see more
Valuation:
$3,900
Permit #:
R-22-0102
Status:
issued
Fee:
$60
Permit Type:
Weatherization
Building Type:
N/A
Air sealing damming propavent half attic stair cover door sweep exterior door weather stripping attic floor - open blow cellulose door - thermal barrier polyiso
Valuation:
$5,900
Permit #:
R-23-00068
Status:
issued
Fee:
$71
Permit Type:
N/A
Building Type:
Ra proposed use -
Air sealing and insulating attic floor with cellulose and kneewall with polyiso. this address on all paperwork is under 1 prentiss place owner said it may also come up as 125 north st unit 1. confirmed with building dept
Valuation:
$4,800
Permit #:
BP-24-146
Status:
issued
Fee:
$150
Permit Type:
Insulation/air se...
Building Type:
N/A
Wiring for ductless heat pump system with (2) outdoor units & a 200 amp upgrade
Valuation:
N/A
Permit #:
25BDOT-01761EL
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Air sealing door sweep exterior door weather stripping damming attic stair cover door & rim joist - thermal barrier polyiso attic floor - open blow cellulose
Valuation:
$1,900
Permit #:
R-23-0193
Status:
issued
Fee:
$60
Permit Type:
Weatherization
Building Type:
N/A
Install ductless mini split heat pump system with 2 outdoor units
Valuation:
$22,400
Permit #:
BP-25-17
Status:
issued
Fee:
$175
Permit Type:
Additions/renovat...
Building Type:
N/A
Air sealing exterior door weather stripping door sweep attic stair cover propavent damming install aluminum soffit vent vent bathroom fan recessed light enclosure rim joist - fiberglass batting and thermal barrier polyiso door - thermal barrier polyiso attic floor - open blow cellulose
Valuation:
$4,500
Permit #:
B-23-352
Status:
issued
Fee:
N/A
Permit Type:
Insulation/air se...
Building Type:
N/A
Attic floor 7 open blow cellulose damming bathroom fan vented to roof walls wood shingle 4 dense pack cellulose blower door test rim joist 6 fiberglass batting air sealing at estimated 62.5 cfm50 per hour door sweep (with as hours) exterior door weather stripping (with as hours)
Valuation:
$5,800
Permit #:
R-21-0569
Status:
issued
Fee:
$70
Permit Type:
Weatherization
Building Type:
N/A
Wiring for ductless mini split heat pump install with 1 outdoor unit
Valuation:
$750
Permit #:
BLDE251148
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Air sealing and insulating attic and walls with 6 3 fiber glass batting 2 thermal polyiso & 3 dense pack cellulose
Valuation:
$6,600
Permit #:
BLD202504811
Status:
issued
Fee:
$330
Permit Type:
N/A
Building Type:
N/A
Installing ductless mini split heat pump system with 1 outdoor unit
Valuation:
$6,750
Permit #:
BP-25-251
Status:
issued
Fee:
$200
Permit Type:
Mechanical
Building Type:
N/A
14 oran - air sealing and insulating walls with cellulose 16 oran - air sealing and insulating walls with cellulose and attic floor with cellulose
Valuation:
$9,800
Permit #:
BLD242410
Status:
issued
Fee:
$147
Permit Type:
N/A
Building Type:
N/A
Wiring for ductless mini spilt heat pump system with 1 outdoor unit
Valuation:
$750
Permit #:
EP-25-146
Status:
issued
Fee:
$75
Permit Type:
Other
Building Type:
N/A
Air sealing and insulating attic with 2 thermal barrier polyiso
Valuation:
$2,900
Permit #:
BP-25-263
Status:
issued
Fee:
$75
Permit Type:
Alterations
Building Type:
N/A
Install ducted heat pump system with 1 outdoor unit
Valuation:
$32,100
Permit #:
SH-25-0040
Status:
issued
Fee:
$386
Permit Type:
HVAC
Building Type:
1-2 family
Modern Energy LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Modern Energy LLC License info
Verified License
| License # | 188905 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 09-15-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Modern Energy LLC at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
234
Permits
- Building permit records show that Modern Energy LLC has worked on 234 permitted projects.
Modern Energy LLC Employees
JV
Jeff Vlk
Owner