Updated: May 28, 2026
Location and Projects
Address
3377 SW 42nd Ave, Palm City, FL, 34990
Use our bidding system to
request a quote
Gms Heating & Cooling | Florida
Commercial & Residential HVAC Services you can rely on. At our Florida location, GMS Heating & Cooling offers premium Residential HVAC and Commercial HVAC services including AC replacements, new AC units, AC repairs, preventive maintenance, duct cleaning and more. Contact us today for regular or emergency service.
From BuildZoom: Gms Heating & Cooling | Florida, 3377 SW 42nd Ave, Palm City, FL (Owned by: Michael Mazzilli) holds a Construction Financial Officer license and 10 other licenses according to the Florida license board.
Their BuildZoom score of 89 does not rank in the top 50% of Florida contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gms Heating & Cooling | Florida, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gms Heating & Cooling | Florida Contact Information
Phone Number: (772) 283-6746
Address: 3377 SW 42nd Ave, Palm City, FL 34990
Gms Heating & Cooling | Florida Palm City
Quality
89
30th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gms Heating & Cooling | Florida has a BuildZoom score of 89, which places them above 30% of 191,428 contractors in Florida.
Activity
|
120 projects
|
2025 |
|
256 projects
|
2024 |
|
520 projects
|
2023 |
Our building permit records indicate that Gms Heating & Cooling | Florida has worked on at least
896.0 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
|
124 projects
|
New Constructions |
|
22 projects
|
Home Additions |
|
4 projects
|
Commercial Renovations |
|
886 projects
|
HVAC projects |
|
586 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Gms Heating & Cooling | Florida mostly works on
hvac project
and mechanical project
projects.
Pricing
|
12 projects
|
< $5k |
|
34 projects
|
$5k-$20k |
|
12 projects
|
$20k-$50k |
|
11 projects
|
$50k-$100k |
|
53 projects
|
$100k-$250k |
|
38 projects
|
$250k-$500k |
|
28 projects
|
$500k-$1mil |
|
19 projects
|
$1mil+ |
The typical size of their permits is approximately $150,000. 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.
Gms Heating & Cooling | Florida Reviews
1 out of 5 stars, based on
1
review
-
By JulieJuly 22, 2024Put an ac unit snd service it due to it not working two month later.$9,100
Building Permits by Gms Heating & Cooling | Florida
This is a sample of this contractor's permits. Click here to access their complete permit history.
Extended 10/29/24 (30 days) extended 9/10/24(30 days) extended 7-12-24 (60 days) extended 4/1/24(90 days) 3 story multifamily residential building - 24 units (building 1)
Valuation:
$6,017,280
Permit #:
BLD2022120444
Status:
issued
Fee:
$376,219
Permit Type:
N/A
Building Type:
N/A
New construction - single family residence credit for impact fees - home was demolished because of damage from hurricane/tornado
Valuation:
$296,930
Permit #:
BLD2025040821
Status:
issued
Fee:
$2,661
Permit Type:
N/A
Building Type:
N/A
Extended 10/29/24 (30 days) extended 9/10/24(30 days) extended 7-12-24 (60 days) extended 4/1/24(90 days) clubhouse building for multifamily apartment project. approximately 1 798 sf (enclosed)
Valuation:
$500,000
Permit #:
BLD2023021276
Status:
issued
Fee:
$6,162
Permit Type:
N/A
Building Type:
N/A
Extended 10/29/24 (30 days) extended 9/10/24(30 days) extended 7-12-24 (60 days) extended 4/1/24(90 days) 3 story multifamily residential building - 24 units (building 1)
Valuation:
$6,017,280
Permit #:
BLD2022120444.002
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
09/02/2021 - the existing home will remain as is reusing the foundation and exterior walls -------change to scope below see above for new scope---- building new cbs modifed version of existing home on and/or over existing slab. the goal to take 100% advantage of st. lucie estate community proprty view ofthe st lucie river. portion of existing slab to be used as new ffe footprint to be... see more
Valuation:
$290,000
Permit #:
BLD2022020909
Status:
complete
Fee:
$1,209
Permit Type:
N/A
Building Type:
N/A
Extended 8-5-24 (90 days) 3 story multifamily residential building - 24 units (building 2)
Valuation:
$6,017,280
Permit #:
BLD2023120994
Status:
issued
Fee:
$346,953
Permit Type:
N/A
Building Type:
N/A
Extended 8/22/23(90 days) (old scope): form and pour concrete slab. install pre-engineered metal building for garage (revised scope): primary residence within metal building
Valuation:
$75,000
Permit #:
BLD2022100630
Status:
issued
Fee:
$20,452
Permit Type:
N/A
Building Type:
N/A
State of emergency- milton permit extend until 4/24/2024 extended 9-27-22 (60 days) extension request approved for 90 days. expires 6/30/22 if not issued new single family residence
Valuation:
$280,000
Permit #:
BLD2021030955
Status:
complete
Fee:
$16,620
Permit Type:
N/A
Building Type:
N/A
Expansion of existing 1065 sf home to 1601 sf within existing roof footprint. upgrade to 200a electrical service addition of central air conditioning new insulation roofing and interior remodel including bathrooms and kitchen
Valuation:
$75,000
Permit #:
BLD2024100909
Status:
complete
Fee:
$567
Permit Type:
N/A
Building Type:
N/A
Extended 8-5-24 (90 days) building 3 - banyan bay phase 3 3 story multifamily residential building - 24 units (building 3)
Valuation:
$6,017,280
Permit #:
BLD2023120996
Status:
issued
Fee:
$346,953
Permit Type:
N/A
Building Type:
N/A
Build/construct new single family residence
Valuation:
$850,000
Permit #:
BLD2024120472
Status:
issued
Fee:
$7,315
Permit Type:
N/A
Building Type:
N/A
Construct two story single family residence
Valuation:
$938,000
Permit #:
BLD2024120491
Status:
filed
Fee:
$24,507
Permit Type:
N/A
Building Type:
N/A
Build/construct new single family residence
Valuation:
$900,000
Permit #:
BLD2024120330
Status:
issued
Fee:
$26,618
Permit Type:
N/A
Building Type:
N/A
Single family residence – new construction master permit #bld2024031601 stem wall garage left
Valuation:
$180,000
Permit #:
BLD2024111620
Status:
complete
Fee:
$13,927
Permit Type:
N/A
Building Type:
N/A
Single family residence – new construction master permit #bld2024031601 stem wall garage left
Valuation:
$180,000
Permit #:
BLD2024111616
Status:
issued
Fee:
$13,501
Permit Type:
N/A
Building Type:
N/A
Construct new single family residence
Valuation:
$350,000
Permit #:
BLD2023110379
Status:
complete
Fee:
$17,873
Permit Type:
N/A
Building Type:
N/A
Commercial interior renovation within the existing structure per the plan attached turning the existing 3 car garage into office space per plan. raising the garage floor to the ffe of the existing building all work to be done inside the existing building envelope
Valuation:
$97,500
Permit #:
BLD2023031210
Status:
complete
Fee:
$1,467
Permit Type:
N/A
Building Type:
N/A
New single family residence
Valuation:
$491,800
Permit #:
BLD2024041102
Status:
complete
Fee:
$5,410
Permit Type:
N/A
Building Type:
N/A
State of emergency- milton permit extended until 4/24/2024 extended 9-27-22 (60 days) extension request approved for 90 days. expires 6/30/22 if not issued new single family residence
Valuation:
$280,000
Permit #:
BLD2021030956
Status:
complete
Fee:
$16,620
Permit Type:
N/A
Building Type:
N/A
Headquarters for jeremiah baron & companies including baron construction. tenant improvement of existing 3 level office building with ground level being open air parking lot
Valuation:
$906,535
Permit #:
23080118
Status:
filed
Fee:
$4,023
Permit Type:
N/A
Building Type:
N/A
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Gms Heating & Cooling | Florida License info
Verified License
| License # | FRO15969 |
| Status | Active |
| State | Florida |
| Type | Construction Financial Officer |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Gms Heating & Cooling | Florida at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CAC1817858 |
| Status | Active |
| State | Florida |
| Type | Certified Air Conditioning Contractor |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Gms Heating & Cooling | Florida at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Florida |
| Type | Construction Business Information |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Gms Heating & Cooling | Florida with the Florida Department of Business & Professional Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CAC058508 |
| Status | Active |
| City | Stuart |
| Type | STATE CERT - A/C |
- When BuildZoom last verified this license, it had an expiration date of August, 2022. Check the current license status of Gms Heating & Cooling | Florida with the City of Stuart Florida
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CAC1817858 |
| Status | Active |
| Type | STATE CERT - A/C |
- When BuildZoom last verified this license, it had an expiration date of August, 2022.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| State | Florida |
| Type | Construction Business Information |
- BuildZoom has not verified this license since January, 2022.
Verify this license's status for Gms Heating & Cooling | Florida at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CAC058508 |
| Status | Active |
| State | Florida |
| Type | Certified Air Conditioning Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2022. Check the current license status of Gms Heating & Cooling | Florida with the Florida Department of Business & Professional Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CAC1817858 |
| Status | Inactive |
| City | Daytona Beach |
| Type | Contractor |
- According to the The City of Daytona Beach, FL, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Gms Heating & Cooling | Florida at the The City of Daytona Beach, FL.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CAC1817858 |
| Status | Inactive |
| County | Orange County |
| Type | M Air Conditioning Class B |
- According to the Orange County Public Schools, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Gms Heating & Cooling | Florida at the Orange County Public Schools.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CSC050494 |
| Status | Inactive |
| State | Florida |
| Type | Certified Sheet Metal Contractor |
- According to the Florida Department of Business & Professional Regulation, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Gms Heating & Cooling | Florida at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| State | Florida |
| Type | Certified Air Conditioning Contractor |
- According to the Florida Department of Business & Professional Regulation, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
89
BuildZoom Score
4K
Permits
- Building permit records show that Gms Heating & Cooling | Florida has worked on 3996 permitted projects.
Gms Heating & Cooling | Florida Employees
MS
Mazzilli Michael J Sr
MS
Mazzilli, Michael J Sr
MM
Mazzilli, Michael M
MJ
Mazzilli, Michael M Jr
MM
Mazzilli, Stephen Matthew
MM
Michael Mazzilli
Owner
Horrible!!! Horrible!!! Call the BBB!!
Don't use them. Our air conditioner froze up on July 20, 2024. We called them and Meghan picked up and told us someone would come out on July 21, 2024. Between 10-1. A tech came out said he does not have the part. So, we needed to wait til July 22, 2024. We have no air for two days. The temperatures are in 92. I have a small child, two dogs and myself and husband. I have a black metal roof in the month of July. The house is in 91 upstairs and 88 downstairs. We had waited to see if GMS sheetmetal & A/C would let us know about helping my family fixing the problem. My husband had to call them 8 am and again at 9am. We are chasing them down to get the part. We are with no air and not one call. No communication from them. Finally, we get a phone call from Meghan telling us 1-5 pm someone will be by. Meanwhile, the no air spent 10,000 on a brand new Trane Ac unit from them two months ago. No parts available locally. Only in Orlando the part was found. 48 hours with no air!!! There is a part for our AC at PSL. We are being lied too!! We are suffering from heat within our home with our dogs and child. No one is willing to help to call or do anything. I have never had such horrible service. Be ware this is not a honest, caring company. The company doesn't care to take of the issues and dragging out excuses of why!!! My family is in our home hot and sweating because we can not the truth.
Please think twice before calling this company!!!
Question... Regarding this company!!! Why did you decide not to call Trane or have a tech go pick up the part? Why refuse to service the ac unit we bought from you? Unethical business practices!!!
Anyone who has encounter issues please leave a review! They need to be held accountable for this and others who they did this to also!!!