Updated: May 22, 2026
Location and Projects
Address
261 Cedar Hill St Suite 100, Marlborough, MA, 01752
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Endless Energy Photos
Endless Energy HVAC/Mechanical Contractor
Endless Energy is a locally owned energy efficiency and HVAC company with over 40 years of service to our community. Our service territory covers the majority of the state of Massachusetts. We specialize in energy efficiency solutions such as furnace, boiler, water heater and heat pump installation, ducted or ductless mini-split installation, commercial solar energy solutions, commercial HVAC, home energy assessments, air-sealing, and insulation needs. Our goal is to help every Massachusetts resident to increase their energy efficiency through a customized solution for their individual home or business.
From BuildZoom: Endless Energy, 261 Cedar Hill St, Marlborough, MA (Owned by: John J. Hall) holds a Sheet Metal Business license and 17 other licenses 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 Endless Energy, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Endless Energy Contact Information
Phone Number: (508) 501-9990
Address: 261 Cedar Hill St Suite 100, Marlborough, MA 01752
Endless Energy Marlborough
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Endless Energy has a BuildZoom score of 111, which places them above 96% of 139,240 contractors in Massachusetts.
Activity
|
31 projects
|
2025 |
|
58 projects
|
2024 |
|
108 projects
|
2023 |
Our building permit records indicate that Endless Energy has worked on at least
197.0 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
|
20 projects
|
New Constructions |
|
98 projects
|
HVAC projects |
|
30 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Endless Energy mostly works on
hvac project
and mechanical project
projects.
Pricing
|
58 projects
|
< $5k |
|
42 projects
|
$5k-$20k |
|
52 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
The typical size of their permits is approximately $7,793. 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.
Mini splits installation 1x lmu300hhv (outside garage) 1x lmqn150hv (land trust office) 1x lqn090hv4 (garage kitchen) 1x lmn079hvt (front entrance) 1x lmu421hhv (back of building) 2x lsn120hsv5 (both in kid's program room) 1x lmn249hvt (2nd floor offices)
Valuation:
$45,984
Permit #:
M-24-0411
Status:
final
Fee:
$510
Permit Type:
New
Building Type:
N/A
Mini splits installation. lmu480hhv (nonducted) lsn120hsv5--dining/living room liq/gas: 1/4 x 3/8 lmn079hvt liq/gas: 1/4 x 3/8 lmn079hvt liq/gas: 1/4 x 3/8 lmn079hvt liq/gas: 1/4 x 3/8 lmn079hvt liq/gas: 1/4 x 3/8 lmn079hvt liq/gas: 1/4 x 3/8 2 x - pmbd3630 liq/gas: 3/8 x 3/4 1 x - pmbl5620 liq/gas: 3/8 x 3/4
Valuation:
$38,646
Permit #:
M-24-0057
Status:
final
Fee:
$416
Permit Type:
New
Building Type:
N/A
Ductless mini splits installation: lmu421hhv (nonducted)- right side of house lsn090hsv5- living room/dining room lmn079hvt- bedroom lmn079hvt- bedroom lmn079hvt- bedroom lmn079hvt- bedroom lmn079hvt- bedroom lmu240hhv (nonducted- left side of house lsn120hsv5- master bedroom lmn079hvt- bedroom lmn079hvt- bedroom
Valuation:
$44,745
Permit #:
M-23-1046
Status:
final
Fee:
$477
Permit Type:
New
Building Type:
N/A
Ccoxha24v48hp - ccoxhaah24v48 (right side of house ) 1st floor and basement ducted system and ccoxha24v24hp - ccoxhaah24v24 (right side of house) second floor supplying 4 beds 2 baths
Valuation:
$45,866
Permit #:
BP-24-506
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ductless mini splits installation: aou36rlxfzh- right side of house asuh12lpas- living room agu9rlf- right front bedroom asuh07lpas- left bedroom asuh07lpas- office aou24rlxfzh- back of garage asuh12lpas- dining room thru garage asuh09lpas- master bedroom
Valuation:
$41,986
Permit #:
M-23-0660
Status:
final
Fee:
$450
Permit Type:
New
Building Type:
N/A
Ductless mini splits installation: aou24rlxfzh (nonducted)- left side of the house asuh12lpas- living room asuh07lpas- 2nd floor left bedroom asuh07lpas- tv room aou24rlxfzh (nonducted)- right side of the house asuh07lpas- master bedroom asuh07lpas- 1st floor front bedroom asuh07lpas- 2nd floor right bedroom
Valuation:
$29,154
Permit #:
M-23-0781
Status:
issued
Fee:
$322
Permit Type:
New
Building Type:
N/A
Ductless mini splits installation: aou36rlxfzh (nonducted)- right side of house asuh07lpas- kitchen asuh07lpas- right front bedroom asuh07lpas- back right bedroom asuh07lpas- back middle bedroom aouh09lmah1 asuh09lmas- right side of house/living room
Valuation:
$24,795
Permit #:
M-23-0677
Status:
issued
Fee:
$278
Permit Type:
New
Building Type:
N/A
To be installed: ccoxhamz436hp - replacing current outdoor condenser back right corner of house ccoxhaahu24 - replacing ah in basement ccoxhawm12 - replacing wall unit in living room and ccoxhawm06 - adding wall unit to basement room
Valuation:
$24,146
Permit #:
M-24-1858
Status:
issued
Fee:
$271
Permit Type:
New
Building Type:
N/A
To be installed: 1 x mxz-2c20nahz4 (non-ducted) two zone ductless to be installed under rear deck 1 x msz-fs09na-u1 ductless split in second floor end bedroom. and 1 x msz-fs09na-u1 ductless split for rear middle second floor bedroom. *all work must be in accordance with 780 cmr and brookline z0ning by-laws
Valuation:
$14,304
Permit #:
MP-2024-000331
Status:
triage
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Heat pumps installation: lmu481hv (mixed) replacement central air conditioning compressor right side of house lsn120hsv5- wall unit for 2nd floor primary bedroom lvn361hv4 replacement central air handler in 2nd floor kneewall
Valuation:
$33,361
Permit #:
M-23-0280
Status:
issued
Fee:
$120
Permit Type:
N/A
Building Type:
Residential
Mini splits installation aou36rlxfzh (nonducted) left side of house asuh24lpas dining room on left side wall asuh15lpas master br left side wall above aou24rlxfzh (mixed) on right side of house asu7rlf1 basement
Valuation:
$35,771
Permit #:
SH-24-0619
Status:
final
Fee:
$432
Permit Type:
HVAC
Building Type:
1to2family
Heat pump and air handlers installccoxhamz548hp - where existing unit is located left side of house; ccoxhaahu24 - in attic - supplies for 4 brs closet and 2 baths; ccoxhaahu24 - in basement existing supplies
Valuation:
$34,007
Permit #:
BP-24-377
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Heat pump and air handling units installation. ccoxhamz327hp- outside on the right side of the house; ccoxhawm12- indoor in the main room; ccoxhawm09 - indoor in the bedroom; ccoxhawm06 - indoor in the office
Valuation:
$17,224
Permit #:
M-24-0931
Status:
complete
Fee:
$220
Permit Type:
New
Building Type:
N/A
Ductless mini splits installation: aou18rlxfzh (nonducted) behind garage asuh12lpas - family room asuh09lpas - master br aou24rlxfzh (nonducted) left side towards back asuh12lpas left wall of family room asuh07lpas left wall front br asuh07lpas left wall rear br
Valuation:
$26,748
Permit #:
M-23-1465
Status:
final
Fee:
$297
Permit Type:
Renovation
Building Type:
N/A
To be installed: aou36rlxfzh- roof asuh07lpas- bedroom asuh07lpas- bedroom asuh09lpas- kitchen and asuh09lpas- dining room. aou18rlxfzh- roof asuh07lpas- bedroom asuh09lpas- living room
Valuation:
$36,524
Permit #:
MP-2024-000310
Status:
triage
Fee:
$740
Permit Type:
N/A
Building Type:
N/A
Heat pumps installation: aou24rlxfzh (mixed) right rear asuh09lpas family room aduh07luas1 kitchen-in basement asuh07lpas bed3 aou36rlxfzh (nonducted) left asuh07lpas bed4 asuh07lpas bed1 asuh07lpas bed2 asuh07lpas living room
Valuation:
$37,591
Permit #:
MEC-23-0945
Status:
issued
Fee:
$60
Permit Type:
Renovation
Building Type:
N/A
Installation of a safe and code-compliant grid-tied photovoltaic solar system on an existing residential roof. 20 panels/7.80kw (dc) with the structural upgrade identified (sistering rafters with an additional 2 x 8)
Valuation:
$51,050
Permit #:
B-23-410
Status:
complete
Fee:
N/A
Permit Type:
Solar panel/wind ...
Building Type:
One & two family
Ductless mini splits installation: lau120hyv3 lan120hyv3- side of house/living room lmu300hhv (nonducted)- side of house lmn079hvt- front right bedroom lmn079hvt- master bedroom lmn079hvt- office lsn090hsv5- basement
Valuation:
$25,870
Permit #:
M-23-2058
Status:
final
Fee:
$289
Permit Type:
New
Building Type:
N/A
Installation of a safe and code-compliant grid-tied photovoltaic solar system on an existing residential roof. 18 panels 7.56 kw (dc) with structural upgrade
Valuation:
$32,796
Permit #:
R-24-0070
Status:
issued
Fee:
$215
Permit Type:
Solarpanels
Building Type:
N/A
-installation of a safe and code-compliant grid-tied photovoltaic solar system on an existing residential roof. 30 panels 12.15kw (dc) - with structural upgrade
Valuation:
$34,000
Permit #:
SBP-24-12
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Endless Energy License info
Verified License
| Status | Active |
| State | Massachusetts |
| Type | Sheet Metal Business |
- BuildZoom verified this license was active as of June 2025.
Verify this license's status for Endless Energy at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 4926 |
| Status | Active |
| State | Massachusetts |
| Type | Plumbing Business |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Endless Energy with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CS-109944 |
| Status | Active |
| State | Massachusetts |
| Type | Building Licenses, Construction Supervisor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Endless Energy at the Massachusetts Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 202202 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 06-03-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Endless Energy at the Mass.gov Consumer Affairs and Business Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 20559 |
| Status | Active |
| State | Massachusetts |
| Type | Electrician |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Endless Energy at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 22087 |
| Status | Active |
| State | Massachusetts |
| Type | Electrician |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Endless Energy at the Commonwealth of Massachusetts E-Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 179685 |
| Status | Active |
| State | Massachusetts |
| Type | Home Improvement Contractor |
| Date Issued | 09-05-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Endless Energy 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 # | 109944 |
| Status | Active |
| City | Newton |
| Type | Residential Builder |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Endless Energy with the City of Newton Massachusetts
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 20559 |
| Status | Inactive |
| City | Newton |
| Type | Electrical Contractor |
- According to the City of Newton Massachusetts, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Endless Energy at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 22087 |
| Status | Inactive |
| City | Newton |
| Type | Electrical Contractor |
- According to the City of Newton Massachusetts, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Endless Energy at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 108214 |
| 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.
Check this license's status for Endless Energy at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 54562 |
| 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.
Check this license's status for Endless Energy at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 22087 |
| Status | Inactive |
| City | Newton |
| Type | Electrical Contractor |
- According to the City of Newton Massachusetts, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Endless Energy at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 20559 |
| Status | Inactive |
| City | Newton |
| Type | Electrical Contractor |
- According to the City of Newton Massachusetts, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Endless Energy at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 94040 |
| 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.
Check this license's status for Endless Energy at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 54562 |
| 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.
Check this license's status for Endless Energy at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 108214 |
| 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.
Check this license's status for Endless Energy at the City of Newton Massachusetts.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 109944 |
| Status | Unable To Verify |
| City | Newton |
| Type | Building Contractor |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
395
Permits
- Building permit records show that Endless Energy has worked on 395 permitted projects.
Endless Energy Employees
JH
John J. Hall
Owner
LB
Lando Bates
Owner
MK
Matthew Kidd
Owner