Lukewarm air isn't always a broken heat pump. Here's what is.
A lot of Palm Coast repair calls begin with a hand held in front of a vent. Some of those systems are broken. Some are doing exactly what a heat pump does. We can tell the difference in a few minutes, and so can you.

First, the myth
“The air from the vents is barely warm, so the heat pump must be dying.”
Not necessarily. A furnace pushes out air at 120 degrees or more. A heat pump in heating mode delivers air in the 85-to-95-degree range, which is warmer than the room but cooler than your skin. Hold your hand there and it feels like a letdown. The house still warms up, just steadily rather than in a blast. On a 45-degree Palm Coast morning that’s normal operation.
What isn’t normal: supply air at room temperature or below in heating mode, AUX lit on the thermostat for hours with the house still cold, an outdoor unit encased in ice, or a system that warms the house fine but won’t cool it in April. Those are repair calls, and the rest of this page is about them.

Houses and storefronts break differently
Cook’s repairs heat pumps for homeowners and for the small commercial buildings that make up most of Palm Coast’s business stock: the strip centers along Palm Coast Parkway, the shops and restaurants at European Village and Town Center, the medical offices that have grown up around AdventHealth Palm Coast.
The equipment is similar. The failures aren’t.
Residential split systems in Cypress Knoll, Indian Trails and the rest of the lettered sections fail at the usual points: capacitors, contactors, defrost boards, strip sequencers, drain clogs, and refrigerant leaks at coils corroded by salt air on the waterfront sections. They run hard in summer and lightly in winter.
Commercial packaged units sit on roofs in full sun and full weather. They fail at belts and pulleys, economizer dampers, crankcase heaters, low-ambient controls and condenser fan motors baked by a Florida roof. They often run six or seven days a week, and a restaurant’s unit also fights kitchen heat and grease. A packaged heat pump at Town Center can have twice the runtime hours of a house system the same age.
The other difference is urgency. A cold bedroom is miserable; a hot waiting room empties a dental office. We dispatch commercial calls during business hours with that in mind, and we answer residential calls at 3 a.m. with the same crew.
How a repair visit runs
- Symptom interview. What you noticed, when it started, what the thermostat shows. Thirty seconds that often cuts the diagnostic in half.
- Both modes, always. We run the system in cooling and heating regardless of season, because a fault that only appears in one mode is the kind that gets missed.
- Measurements, not hunches. Capacitor microfarads, amp draws, supply and return temperatures, refrigerant pressures in both modes, static pressure across the air handler.
- The quote. What failed, why, what it costs, and whether the fix is worth making on a system this age. On a 2005 unit with a failed compressor, that last part is the whole conversation.
- The repair. Done from the truck’s stock where possible. Ordered parts get a timeline and, where it’s safe, a temporary fix so the building stays usable.
- Verification. Run it again in both modes, confirm the numbers moved, write it all on the invoice.
How long it takes
| Situation | Typical time |
|---|---|
| Call to arrival, residential, Palm Coast sections | Same day; often within a few hours in season |
| Call to arrival, commercial, business hours | Same day; scheduled around your open hours |
| Capacitor, contactor, sensor, float switch | Under an hour on site |
| Fan motor, defrost board, strip kit | One to two hours |
| Refrigerant leak search and repair | Two to four hours; coil replacement may be a second visit |
| Compressor replacement | Half a day once the part is in hand |
Weekends and nights don’t change the price or the crew.
Reading the invoice
A Cook’s repair invoice has a few lines, and each one should make sense.
- Diagnostic. The fee quoted when you called. It covers the testing above, in both modes.
- Parts. Named, with the failed part left for you if you want it.
- Labor. Flat-rate for the repair, not a running clock. It’s the same number at midnight.
- Refrigerant, if any was added, by the pound, with the leak location noted. We don’t “top off” a leaking system and call it fixed.
- Notes. Measurements before and after, what we’d watch, and whether a maintenance agreement would have caught it.
- Warranty. The part’s manufacturer warranty and our workmanship guarantee, in writing. [[CONFIRM WITH JERRY: the workmanship warranty length]]
Why Palm Coast heat pumps fail when they do
Most of the city’s heat pumps went in between 2004 and 2007 with builder-grade equipment. At 18 to 22 years old they’re failing in clusters, and the first hot week of May and the first freeze in December are when the phone lights up. The ones we reach first are the ones we already know. If yours hasn’t been looked at in a while, a fall or spring visit is a better plan than waiting for the week everyone else is calling.
Before you call about a heat pump
If I'm on a maintenance agreement, do repairs cost less?
Yes. Agreement customers get a repair discount and go to the front of the schedule when the first freeze or the first 95-degree day sends everyone else to the phone. [[CONFIRM WITH JERRY: the discount percentage]]
What happens if the same part fails again a month later?
We come back under the workmanship guarantee and the part’s warranty, and we figure out why. A capacitor that fails twice usually has a motor behind it pulling too much current; the second visit is about the cause, not the symptom.
Will it be fixed before you leave?
On most calls, yes. Capacitors, contactors, sensors, boards, fan motors and strips are on the truck. Compressors, coils and some brand-specific controls get ordered, and you’ll know the lead time before you approve anything.
The outdoor unit runs all day but the house never gets cold. What's going on?
Low refrigerant from a leak, a dirty indoor or outdoor coil, a reversing valve stuck partway, or a duct problem starving the system. Running without cooling is the most common heat pump complaint in July, and it’s almost never the compressor itself.
Other services in Palm Coast
- A/C ServicesDiagnosis, tune-ups, repairs and replacements from one local crew. Start here if you're not sure which you need.
- A/C RepairAny brand, any hour, parts on the truck. Twelve minutes from most of the city.
- A/C MaintenanceTwo visits a year, timed to the start and end of cooling season, for a system that runs nine months straight.
- A/C InstallationLoad-calculated, permitted, rebate-ready installs from a Lennox dealer that knows which era your house is from.
- ThermostatsSmart, programmable and zoning thermostats installed and wired right, with the schedule set before we leave.
- GeothermalEarth-coupled heat pumps for Palm Coast properties with room for a loop field. Quieter, steadier, and built for the long run.
- Heating ServicesHeat pumps, strip heat, gas and propane furnaces. Repair, maintenance and replacement for the few weeks a year that need it.
- Heat PumpOne machine for nine months of cooling and thirty nights of heat. Repair, maintenance and installation for all of them.
- Heat Pump MaintenanceSpring and fall visits that test both modes, flush the drain, clean the coils and leave you a written report.
- Heat Pump InstallationLoad-calculated heat pump replacements, permitted and rebate-checked, for the boom-era systems aging out across the city.
- Furnace RepairGas, propane and electric furnace repair with safety checks first, flat-rate pricing and no night surcharge.
- Furnace MaintenanceFall safety and performance checks for gas, propane and electric furnaces that spend most of the year switched off.
- Furnace InstallationNew furnaces and dual-fuel systems sized for a 49-degree winter and installed with the combustion checks a Florida garage needs.
- Air QualityWhole-home dehumidifiers, media filtration, UV and ventilation, chosen for a town with mid-70s dew points.
- Indoor Air QualityRoom-by-room measurement, honest findings and right-sized fixes: filtration, UV, dehumidification and fresh air.
- Duct CleaningCamera-inspected duct cleaning, sealing and replacement for the attic duct that's as old as the system it feeds.
- CommercialRepair, maintenance and installation of commercial HVAC for Palm Coast's strip centers, restaurants, offices and medical suites.
Heat pump running but not doing its job?
Call the Palm Coast shop. We'll test both modes and tell you what's wrong before we fix it.