Mobile Truck Repair · West Palm Beach
Mobile Truck HVAC & AC Repair in West Palm Beach, FL
Mobile 24/7 service across South Florida. We come to you — I-95, Turnpike, job sites, fleet yards. No tow needed.
30–45 min
Avg Response Time
4.9★
127+ Google Reviews
24/7
Always Available
7+
Engine Platforms
Your truck AC just quit in the middle of a South Florida summer, the cab is 140 degrees, and you still have six stops to make. We get it. Albert's Road Service provides 24/7 mobile HVAC and AC repair — we come to your truck anywhere in the West Palm Beach area and get your climate system back to blowing cold. We work on all major compressor brands — Sanden, Behr, Denso — and handle everything from condensers and evaporators to blower motors, expansion valves, and complete refrigerant system service. In this heat, a working AC isn't a luxury. It's a safety requirement.
HVAC & AC Services
- AC compressor diagnosis and replacement
- Condenser cleaning and replacement
- Evaporator core service
- Blower motor and resistor repair
- Refrigerant recharge and leak detection (R-134a, R-1234yf)
- Heater core and heater valve service
- Cab temperature control systems
- Sleeper cab HVAC systems
- APU air conditioning service
- Thermostat and expansion valve replacement
Call 561-475-8052 for mobile HVAC and AC repair.
Know the Warning Signs
Symptoms That Mean You Need HVAC Repair
Warm air from the vents
The most obvious sign. You've got the AC cranked to max and the air coming out is lukewarm or straight hot. This usually points to low refrigerant from a leak, a failed compressor, or a stuck expansion valve. In Florida, you'll know within five minutes of starting the truck if something is off.
Weak airflow
The air is cold but barely coming through the vents. This is typically a failing blower motor, a clogged cabin air filter, or a restricted evaporator core. A blower motor that's drawing too many amps will spin slower and slower before it quits entirely.
Strange smells from the vents
A musty, mildew smell when the AC kicks on means bacterial or mold growth on the evaporator core. Common in Florida's humidity. A sweet chemical smell indicates a heater core leak — you're smelling coolant. Neither one should be ignored.
Unusual noises from the compressor area
A grinding, squealing, or rattling noise when the AC engages points to a failing compressor clutch bearing, a worn clutch plate, or internal compressor damage. The compressor clutch cycles on and off — listen for noise that appears and disappears with the clutch engagement.
Refrigerant puddles or oily residue
Refrigerant itself evaporates, but the compressor oil that travels with it leaves an oily film at leak points. Check around hose fittings, the compressor shaft seal, and condenser connections. An oily green or clear residue at any AC connection is a leak.
Inconsistent temperatures
The AC works sometimes and doesn't other times. This often indicates an intermittent electrical issue — a failing pressure switch, a loose connector at the compressor clutch, or a relay that's on its way out. It can also indicate a system that's marginal on refrigerant charge and drops out on high-ambient-temperature days.
Root Cause Analysis
Common Causes of AC Failure in Trucks
Diesel engines are built for a million miles — but these conditions accelerate wear and cause premature failure.
Compressor clutch wear
The electromagnetic clutch that engages the compressor cycles thousands of times per day. The clutch plate wears, the air gap increases, and eventually the clutch slips or won't engage at all. A worn clutch draws excessive current and can burn out the relay or blow the fuse.
Refrigerant leaks at O-rings and hose connections
Vibration, thermal cycling, and age deteriorate the O-ring seals at every connection in the system. The high-pressure hose from compressor to condenser and the service port caps are the most common leak points. A system losing half a pound of refrigerant per year is considered normal — anything more indicates a seal problem.
Condenser corrosion from road debris and salt air
The condenser sits in front of the radiator and takes everything the road throws at it. In coastal South Florida, salt air accelerates corrosion of the aluminum fins. Bugs, dirt, and road debris clog the condenser face and reduce airflow, forcing the system to work harder and run at higher pressures.
Electrical issues
Pressure switches, compressor clutch relays, fuses, and wiring connections all fail. A high-pressure cutout switch that's intermittent will shut the compressor off randomly. A corroded ground wire at the compressor causes the clutch to engage weakly and slip.
Expansion valve sticking
The thermal expansion valve (TXV) regulates refrigerant flow into the evaporator. A stuck-open valve floods the evaporator and sends liquid refrigerant back to the compressor — which destroys the compressor. A stuck-closed valve starves the evaporator and you get warm air.
Blower motor bearing failure
Blower motors run continuously in Florida heat. The bearings wear over time, causing the motor to draw more amps, spin slower, and eventually seize. A blower motor that groans or squeals on startup is telling you it's on borrowed time.
How We Work
Our Diagnostic Process
We don't guess at parts — we diagnose the root cause before turning a single wrench.
Visual inspection of AC components and belt condition
We check the compressor drive belt for wear, glazing, and proper tension. We inspect all visible AC hoses, connections, and the condenser face for damage, corrosion, or oil stains that indicate leaks.
Pressure testing with manifold gauges (high/low side readings)
We connect gauges to the high and low service ports and compare readings to manufacturer specifications. Pressure readings tell us immediately whether the system is low on charge, overcharged, has a restriction, or has a compressor performance issue.
Refrigerant leak detection with electronic sniffer and UV dye
We use an electronic refrigerant detector to pinpoint leaks at connections, the compressor shaft seal, condenser, and evaporator. For slow leaks that the sniffer can't catch, we inject UV dye and return with a UV light to trace the leak path.
Electrical testing of compressor clutch, pressure switches, and relays
We check clutch coil resistance, measure the air gap, verify relay operation, and test pressure switch function. We check for voltage at the compressor connector with the AC commanded on to isolate electrical vs. mechanical failures.
Temperature differential measurement at vents and evaporator output
We measure the temperature drop across the evaporator and the vent output temperature. A properly functioning system should produce a 30-40 degree temperature differential in the evaporator. Vent temperatures should reach the low 40s on a properly charged system even in South Florida heat.
Our Standards
Our Repair Approach
OEM-spec refrigerant and oil
We use the correct refrigerant type (R-134a or R-1234yf) and the manufacturer-specified PAG or POE compressor oil. Mixing refrigerant types or oil types contaminates the system and causes compressor failure.
Proper evacuation before recharge
We evacuate the system to a deep vacuum (500 microns minimum) before charging. This removes all moisture and air from the system. Moisture in a refrigerant system creates acids that destroy compressor valves, O-rings, and the expansion valve.
Condenser flush on compressor replacements
When a compressor fails internally, it sends metal debris throughout the system. We flush the condenser and replace the receiver/drier or accumulator. Skipping this step guarantees the new compressor fails within months.
Belt tension check and adjustment
A loose drive belt slips on the compressor clutch pulley, reducing compressor speed and causing the belt to glaze. We set belt tension to spec and check the belt tensioner for wear.
Complete system performance verification
After any repair, we run the system under load and verify pressures, temperatures, and clutch cycling are within specification before signing off the job.
New O-rings on every disturbed connection
Any fitting we open gets a new O-ring, properly lubricated with refrigerant oil. Reusing old O-rings is the number one cause of post-repair leaks.
☀️ South Florida Conditions
Florida-Specific Considerations
Running a diesel engine in South Florida is different from running one anywhere else. Year-round heat, humidity, and salt air create unique challenges our technicians are specifically trained for.
AC systems run nearly year-round
Up north, the AC might run five months out of twelve. In South Florida, the AC runs ten to eleven months per year. That's nearly double the operating hours on every component — compressors, clutches, blower motors, and seals all wear out proportionally faster.
Higher ambient temps put extreme stress on compressors
Underhood temperatures regularly exceed 130 degrees F in Florida summers. The compressor is working against that ambient heat to push the condenser discharge temperature even higher. Head pressures run 50-75 PSI higher here than they would in Michigan, and that translates directly to compressor wear and hose stress.
Salt air and humidity corrode condenser fins and cause premature failure
Operating within 20 miles of the coast — which covers most of Palm Beach County — means constant salt air exposure. Condenser fins corrode and crumble, reducing heat transfer capacity. We see condensers that need replacement at half the mileage compared to inland trucks.
Sleeper cab AC is critical for driver rest compliance in Florida heat
FMCSA hours-of-service rules require drivers to rest, and a sleeper cab without AC in July in South Florida is not rest — it's a heat stress hazard. A dead sleeper AC is a safety issue that needs immediate repair.
APU AC systems prevent idling but need regular service in this climate
Anti-idling laws and fuel costs push drivers to APU systems for cab comfort. APU AC units (Thermo King TriPac, Carrier ComfortPro) use smaller compressors that work even harder in Florida heat. They need more frequent service intervals down here than the manufacturer's national recommendations suggest.
Refrigerant systems lose efficiency faster in sustained high-heat operation
Continuous high-ambient operation means the system never gets a thermal break. Seals stay expanded, pressures stay elevated, and the compressor oil degrades faster. Annual refrigerant system inspection should be mandatory for any truck operating regularly in South Florida.
Service Area
45-Mile Radius from West Palm Beach
We cover 3 counties and 24+ cities — if you're in South Florida, we come to you.
Palm Beach County
- West Palm Beach
- Jupiter
- Palm Beach Gardens
- Riviera Beach
- Lake Worth
- Boynton Beach
- Delray Beach
- Boca Raton
- Wellington
- Royal Palm Beach
- Greenacres
- Belle Glade
Broward County
- Fort Lauderdale
- Pompano Beach
- Deerfield Beach
- Coral Springs
- Margate
- Coconut Creek
- Lauderhill
St. Lucie County
- Port St. Lucie
- Fort Pierce
- Stuart
HVAC & AC Repair problem? We fix it on-site.
Mobile 24/7 repair across Palm Beach, Broward & St. Lucie counties.
Request HVAC & AC Repair
Fill out the form and we'll call you back fast. For emergencies, call 561-475-8052 directly.
Frequently Asked Questions
How much does truck AC repair cost?
Can you recharge my truck AC on-site?
Why does my truck AC blow warm air?
How long does a compressor replacement take?
Do you work on sleeper cab AC systems?
Truck Broken Down Right Now?
Our mobile diesel mechanics are standing by 24/7. Fast response times across South Florida.
Call 561-475-8052