Updated: Jul 10, 2026
Location and Projects
Address
1301 Gay Cir, Longmont, CO, 80501
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JM Heating and Cooling
JM Heating and Cooling is most trusted HVAC company and offering professional HVAC services to Longmont, Colorado and the surrounding cities for over 10 years. No job is too big or small for JM Heating and Cooling. We even offer same day service on many of our HVAC services. You will be comfortable with us. JM Heating and Cooling provides a wide variety of HVAC services, including heating and furnace installation, heating and furnace repairs, heating and furnace maintenance, air conditioning repairs, air conditioning maintenance, and air conditioning installation.
From BuildZoom: JM Heating and Cooling, 1301 Gay Cir, Longmont, CO (Employee: Matt Siemens) holds a Mechanical Contractor license and 2 other licenses according to the Lafayette license board.
Their BuildZoom score of 101 ranks in the top 12% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring JM Heating and Cooling, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
JM Heating and Cooling Contact Information
Phone Number: (720) 388-8477
Address: 1301 Gay Cir, Longmont, CO 80501
JM Heating and Cooling Longmont
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JM Heating and Cooling has a BuildZoom score of 101, which places them above 88% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that JM Heating and Cooling has worked on at least
7.0 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
|
6 projects
|
New Constructions |
|
7 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that JM Heating and Cooling mostly works on
hvac project
and new construction
projects.
Pricing
|
2 projects
|
$250k-$500k |
|
3 projects
|
$500k-$1mil |
The typical size of their permits is approximately $548,931. 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 JM Heating and Cooling
This is a sample of this contractor's permits. Click here to access their complete permit history.
2680 sf new single family dwelling on 1514 sf unfinished basement and 1161 sf crawlspace w 1286 sf attached garage - 22x23 covered pato and 45x14 covered porch - one 0-clearance fireplace - includes air conditioning and basement plumbing - siding exterior
Valuation:
$389,348
Permit #:
RSN21-0123
Status:
final
Fee:
$9,374
Permit Type:
N/A
Building Type:
N/A
3630 sf wood frame two story single family dwelling on 1378 sf unfinished basement and 800 sf crawlspace w 870 sf attached garage - one 0-clearance fireplace - 371 sf covered patio 330 sf uncovered deck 690 covered porch - air conditioning and basement plumbing included - siding w sythetic stone exterior
Valuation:
$483,399
Permit #:
RSN21-0004
Status:
final
Fee:
$9,267
Permit Type:
N/A
Building Type:
N/A
Marshall fire home to be re-constructed by the original owners to the 2018 building code. finished sf 2479 with unfinished 3198
Valuation:
$582,640
Permit #:
RES-3578-2024
Status:
final
Fee:
$13,453
Permit Type:
N/A
Building Type:
N/A
2287 sf new single family dwelling on 1075 sf unfinished basement and 1212 sf crawlspace w/839 sf attached garage - 408 sf covered patio and 282 sf covered porch - includes one 0-clearance fireplace air conditioning and basement plumbing - wood frame w/lap siding and synthetic stone veneer
Valuation:
$319,824
Permit #:
RSN21-0184
Status:
issued
Fee:
$7,704
Permit Type:
N/A
Building Type:
N/A
2303 sf wood frame new single family dwelling on 1507 sf unfinished basement and 777 sf crawlspace w 1228 sf attached garage - 25x18 covered patio and 19x8 covered porch - one 0-clearance fireplace - air conditioning and basement plumbing included -
Valuation:
$334,314
Permit #:
RSN21-0015
Status:
final
Fee:
$8,285
Permit Type:
N/A
Building Type:
N/A
2686 sf two story new wood frame single family dwelling on 972 sf finished basement & 248 sf unfinsihed basement & 670 crawlspace w 1010 sf attached garage - 285 sf covered patio 270 sf covered porch - includes one 0-clearance fireplace air conditioning and basement plumbing - utilities included - board & batten siding w synthetic stone veneer exterior
Valuation:
$390,542
Permit #:
RSN20-0181
Status:
final
Fee:
$8,174
Permit Type:
N/A
Building Type:
N/A
3033 sf new single family dwelling on 1019 sf unfinsihed basement and 637 sf crawlspace w 1167 sf attached garage - 232 sf covered patio 372 sf covered porch and 78 sf uncovered patio - one o-clearance fireplace - air conditioning and basement plumbing included - stucco w stone veneer exterior
Valuation:
$404,647
Permit #:
RSN20-0154
Status:
final
Fee:
$8,289
Permit Type:
N/A
Building Type:
N/A
2253 sf new wood frame single family dwelling on 2255 sf unfinished basement w 797 sf attached garage -13x19 covered patio - utilities included - air conditioning & basement plumbing included - lap siding w stone veener exterior
Valuation:
$319,460
Permit #:
RSN20-0051
Status:
final
Fee:
$6,353
Permit Type:
N/A
Building Type:
N/A
2555 sf new single family dwelling on slab w/1006 sf attached garage - 275 sf covered front porch and 237 sf enclosed porch - includes air conditioning - wood frame w/brick and synthetic stone veneer
Valuation:
$320,555
Permit #:
RSN20-0036
Status:
final
Fee:
$7,140
Permit Type:
N/A
Building Type:
N/A
Approx 1831 sf interior remodel of existing dwelling built in 2016 - includes remodeling and extending kitchen adding new front door re-locating kitchen window adding rough-in utilities for laundry room sink - 1481 sf finished basement for two bedrooms one bathroom rec room and a family room - includes utilities
Valuation:
$36,092
Permit #:
RSA21-0157
Status:
final
Fee:
$1,239
Permit Type:
N/A
Building Type:
N/A
New townhouse type c
Valuation:
N/A
Permit #:
SFD201252
Status:
final
Fee:
$9,565
Permit Type:
Detached single-f...
Building Type:
N/A
New townhouse type c
Valuation:
N/A
Permit #:
SFD201250
Status:
final
Fee:
$9,565
Permit Type:
Detached single-f...
Building Type:
N/A
New townhouse type d
Valuation:
N/A
Permit #:
SFD201247
Status:
final
Fee:
$10,413
Permit Type:
Detached single-f...
Building Type:
N/A
New townhouse type a
Valuation:
N/A
Permit #:
SFD201254
Status:
final
Fee:
$9,547
Permit Type:
Detached single-f...
Building Type:
N/A
New townhouse type d
Valuation:
N/A
Permit #:
SFD201253
Status:
final
Fee:
$10,413
Permit Type:
Detached single-f...
Building Type:
N/A
New townhouse type a
Valuation:
N/A
Permit #:
SFD201244
Status:
final
Fee:
$9,547
Permit Type:
Detached single-f...
Building Type:
N/A
New townhome;lake at dunes;type c
Valuation:
N/A
Permit #:
SFD191515
Status:
final
Fee:
$9,309
Permit Type:
Detached single-f...
Building Type:
N/A
New townhome;lake at dunes;type c
Valuation:
N/A
Permit #:
SFD191514
Status:
final
Fee:
$9,309
Permit Type:
Detached single-f...
Building Type:
N/A
New townhome;lake at dunes;type d
Valuation:
N/A
Permit #:
SFD191509
Status:
final
Fee:
$10,139
Permit Type:
Detached single-f...
Building Type:
N/A
New townhome;lake at dunes;type d
Valuation:
N/A
Permit #:
SFD191508
Status:
final
Fee:
$10,139
Permit Type:
Detached single-f...
Building Type:
N/A
JM Heating and Cooling Reviews
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Verified License
BuildZoom confirmed this contractor's license
JM Heating and Cooling License info
License Not Verified
| License # | 21-096551 |
| Status | Active |
| City | Lafayette |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of JM Heating and Cooling with the City of Lafayette
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LIC-0011211-MECHC |
| Status | Active |
| City | Boulder |
| Type | Mechanical |
| Class | Class C One and Two Dwelling Units |
| Date Issued | 12-11-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for JM Heating and Cooling at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LIC-0011211 |
| Status | Active |
| City | Boulder |
| Type | Mechanical |
| Class | Class C 1 & 2 Dwelling Units |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of JM Heating and Cooling with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
23
Permits
- Building permit records show that JM Heating and Cooling has worked on 23 permitted projects.
JM Heating and Cooling Employees
MS
Matt Siemens
Responsible Person