HVAC Repair, Installation & Maintenance

What HVAC service covers

HVAC professionals service and install central air conditioners, heat pumps, gas and electric furnaces, air handlers, ductless mini-splits, ductwork, thermostats, and related controls. In South Florida, most homes run a split system — an outdoor condenser paired with an indoor air handler — since gas furnaces are far less common than in colder climates.

Common problems and warning signs

• Warm air blowing from vents, or air that isn't as cold as it used to be
• The system runs constantly and never satisfies the thermostat
• Short cycling — the unit turns on and off every few minutes instead of running a full cycle
• Ice forming on the indoor coil, refrigerant lines, or the outdoor unit
• Water pooling near the air handler or dripping from a ceiling vent
• The outdoor condenser hums but the fan doesn't spin, or the whole system won't start
• Musty odors, uneven room temperatures, or high humidity indoors despite the AC running
• Rising electric bills with no change in usage

What's urgent versus what can wait

No cooling during extreme heat is a health and safety issue, especially for infants, older adults, and anyone with a medical condition — treat it as urgent, particularly if indoor temperatures climb into the 90s. Water actively leaking near electrical components, a burning smell, or a breaker that trips repeatedly also warrants prompt attention. A gas smell near a furnace is a gas leak, not an HVAC issue: leave the house, do not operate switches, and call 911 or the gas utility's emergency line before contacting anyone else.

Reduced airflow, a slightly noisy blower, or a system that's merely less efficient than before can usually be scheduled within a few days.

Refrigerant leaks and low charge

Low refrigerant is almost always caused by a leak, not normal consumption — refrigerant doesn't get 'used up' in a sealed system. Symptoms include weak cooling, ice on the indoor coil or outdoor lines, and a hissing sound near connections. Simply adding refrigerant without finding and repairing the leak is a temporary fix; the charge will drop again. Technicians handling refrigerant must follow EPA Section 608 requirements for handling and recovery.

Frozen coils, condensate clogs, and short cycling

A frozen evaporator coil is usually caused by restricted airflow (a dirty filter, blocked vents, or a failing blower motor) or low refrigerant — running the system with a frozen coil can damage the compressor. Condensate drain clogs are one of the most common AC calls in South Florida's humid climate: algae and debris build up in the drain line, the float switch trips as a safety measure, and the system shuts off or water backs up into the home. Short cycling — frequent on/off cycles — can stem from an oversized system, a failing capacitor, a dirty condenser coil, or a thermostat sensor problem, and it accelerates wear on the compressor.

Heat pumps vs. furnaces vs. air handlers

Thermostat faults

A thermostat that has lost power, wiring that's come loose, dead batteries, or a miscalibrated sensor can all make a perfectly healthy system seem broken. Smart thermostats add another failure point: a lost Wi-Fi connection or firmware issue can prevent the system from receiving a call for heat or cooling.

Typical services performed

• Diagnostic troubleshooting of a no-cool, no-heat, or short-cycling system
• Capacitor, contactor, and compressor repair or replacement
• Refrigerant leak detection and repair, and system recharge
• Condensate drain clearing and float switch service
• Coil cleaning, filter and blower service, duct inspection and sealing
• Full system replacement and new installation, including load calculations
• Seasonal maintenance tune-ups

What affects the cost of HVAC service

Repair or replace?

Age, repair cost relative to replacement cost, refrigerant type, and efficiency are the main factors. A system nearing or past typical service life, especially one still using R-22 refrigerant (largely phased out under the EPA's Clean Air Act refrigerant transition), is a stronger candidate for replacement than repair. Newer systems are rated under the SEER2 efficiency standard that took effect in 2023; a technician can explain how a unit's SEER2 rating compares to older SEER-rated equipment when discussing replacement options.

• How old is the system, and is it still under manufacturer warranty?
• Is the refrigerant type still widely available and affordable?
• Has it needed repeated repairs in the last year or two?
• Would replacement meaningfully improve efficiency or comfort (uneven cooling, humidity control)?

Choosing a qualified HVAC professional

Confirm the professional is licensed to perform HVAC work in Florida and carries liability insurance, and ask for a written scope of work before any repair or installation begins. For refrigerant work, technicians must hold EPA Section 608 certification. Get a written estimate that specifies the equipment model, warranty terms, and what's included before committing.

Questions to ask before hiring

• Are you licensed and insured to perform HVAC work in Florida?
• What is your diagnostic fee, and does it apply toward the repair?
• For a replacement, will you perform a load calculation or match the existing tonnage?
• What warranty applies to parts and to labor, and who honors it?
• Will you pull any required permit for a full system installation?

South Florida considerations

Systems here run nearly year-round, so wear on compressors, capacitors, and condensate systems is faster than in milder climates. High ambient humidity makes condensate drain maintenance and proper dehumidification especially important — a system that's oversized for the space can cool the air quickly without adequately removing humidity. Outdoor condensers in coastal areas face salt-air corrosion, and hurricane season adds two more concerns: securing or protecting the outdoor unit ahead of a storm, and post-storm inspection for water intrusion or debris damage. In condos and HOA communities, responsibility for the air handler, condenser, and ductwork is often split between the unit owner and the association — check your governing documents before assuming who arranges service.