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Building Mechanical Systems LLC
4865 KIRKER RD, Loxahatchee, FL 33470, USA
Verify this license yourself at the Florida DBPR License Verification.
When a Florida home's air conditioner stops working in the middle of a July afternoon, the search usually comes down to two questions: who can come out quickly, and can they be trusted to fix the problem correctly? Homeowners and property owners across the state look for AC Services that diagnose issues clearly and stand behind the repair. Building Mechanical Systems LLC is a heating and cooling contractor that serves Florida customers with that goal in mind.
Services Offered
Service Area
About Building Mechanical Systems LLC
The company's work covers AC Services, Heating Services, Ductwork Services, Heat Pumps, Furnace Services, Thermostat Services, Emergency HVAC, and Maintenance & Tune-up. Typical jobs include checking refrigerant levels, inspecting capacitors and contactors, sealing and testing duct runs for leaks and restrictions, and installing or programming thermostats. Tune-up visits focus on cleaning coils, checking airflow, and testing controls before the seasons that put the heaviest demands on a system.
Building Mechanical Systems LLC holds Florida state contractor license #CMC1249421, listed in the FL state contractor registry, and has been licensed since 2007. That record represents more than 19 years in the trade. Florida's heat and humidity make cooling reliability a year-round concern, and local technicians understand how the climate, from coastal areas to inland communities, affects equipment wear.
If you are comparing local pros, ask for the license number, verify it in the state registry, and request a written estimate that explains the repair. Review response times and whether the contractor explains options before work begins. Homeowners can view Building Mechanical Systems LLC alongside other listings on HVAC Service Fast to make an informed choice.
State license record
Florida license #CMC1249421
Renewal date passed — confirm status- Issued by
- Florida Dept. of Business & Professional Regulation (DBPR)
- Status
- Active as of Aug 4, 2026
- First issued
- Jun 2007 (19 years)
- Renewal was due
- Aug 31, 2026
What the license covers
- CMC Certified Mechanical Contractor (valid statewide)
From DBPR public license data as of Aug 4, 2026. Licenses change — confirm the current status at the Florida DBPR License Verification.
Frequently Asked Questions
What services does Building Mechanical Systems LLC offer?
Which areas does Building Mechanical Systems LLC serve?
How do I choose a licensed, insured HVAC contractor in Florida?
What should I check before hiring an HVAC professional?
What are signs it is time to call an HVAC professional?
Local market — The Acreage
HVAC pros here
58
Have a website
12%
Cooling demand
3,473
Heating demand
353
Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).
Local context for The Acreage
Buying a new AC or heat pump in Florida
- Florida is in the DOE Southeast region: new central air conditioners installed since January 1, 2023 must meet at least 14.3 SEER2 (13.8 SEER2 for systems 45,000 BTU/h and larger). Heat pumps must meet 14.3 SEER2 and 7.5 HSPF2 nationwide.
- Since 2025, new systems are built for lower-impact refrigerants such as R-454B or R-32. Ask which refrigerant a quoted system uses and for its AHRI certificate number, which confirms the matched system’s rated efficiency.
Before you hire Building Mechanical Systems LLC
Based on the records we hold for this business.
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Confirm the license renewal
The DBPR record we saw on Aug 4, 2026 listed license #CMC1249421 with a renewal date of Aug 31, 2026. Most renewals go through on time — check the current status before you sign. Look it up: Florida DBPR License Verification
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Ask for proof of insurance
We have no insurance details on file. Ask for a certificate of general liability and workers' compensation coverage before anyone works in your home.
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Ask who pulls the permit
Replacing an AC, furnace, heat pump or water heater usually needs a local permit and inspection. A licensed contractor normally pulls it — ask that the permit is included in the written quote.
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Ask for local references
We do not have review data for this business yet. Ask for two or three recent customers near you.
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Florida homeowner protection
Florida contracts over $2,500 must include a notice about the Florida Homeowners' Construction Recovery Fund, which can compensate homeowners for certain losses caused by a licensed contractor.
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Where this information comes from
- Name, address and phone
- State license records · added Aug 4, 2026
- Florida license
- DBPR public license data · record date Aug 4, 2026
- Profile summary
- Written automatically from the records above
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HVAC Service Fast is an independent HVAC directory and is not affiliated with this business. Listing details are compiled from publicly available information and may be incomplete or outdated. We do not endorse or guarantee any provider — please verify licensing and insurance directly. See our Disclaimer.