Lake County · ZIP 60035
Your heat pump has no off-season in Highland Park — it carries the house twelve months a year, and it deserves a repair tech who understands both halves of its job.
Apex Climate Control repairs heat pumps throughout Highland Park — on the North Shore along Lake Michigan — from our home base in North Aurora, about 86 minutes from our North Aurora shop.
We test the system the way heat pumps demand — in both modes, through defrost, with the auxiliary heat logic checked — because half-diagnosed heat pumps are how homeowners pay for the same failure twice.
If any of this sounds like your system, it is time for a diagnosis:
What happens when you call us about a heat pump problem:
We test the system the way a heat pump actually works — heating, cooling, and defrost — with pressures, temperatures, and electrical readings in each. Reversing valves, defrost sensors, and auxiliary staging get checked specifically, because those are the failures generic AC diagnostics walk right past. It is how we have built our name around Highland Park.
Once the fault is identified, you get the whole picture without the jargon: the failed part, the probable cause, the price to fix it — and, when age makes it relevant, the honest repair-versus-replace comparison. Nothing proceeds until you say so. No shortcuts on that step — not in Highland Park, not anywhere.
The repair itself is done to spec — right parts, refrigerant handled correctly, controls configured properly — and then verified the only way that counts: full cycles in both modes with the instruments confirming real capacity.
Before the truck leaves, we look for what killed the part: starved airflow, a dirty coil, a drifted charge, aux settings working the system too hard. Fixing the component without the cause is how the same repair gets sold twice — not our model.
The money side, both seasons of it:
What you never pay us for: the same failure twice. Heat pump components usually die of a cause — starved airflow, drifted charge, misconfigured staging — and our repairs include finding it. A capacitor swap that ignores why the capacitor cooked is half a repair at full price, and we do not sell halves. Every Highland Park quote we write follows that rule.
From homes near Rosewood Beach to Ravinia Festival, the Highland Park heat pumps we service fail in familiar ways — defrost boards, dual-run capacitors, reversing valve solenoids — and the truck stocks accordingly.
Heat pump mistakes Highland Park owners make:
Real customers, real Google reviews
“Jojo and his team did an after-hours service call in a lightning fast manner. They were professional and at a very reasonable price. I highly recommend them to all the people I know.”
“The Apex Climate Control technicians are simply the BEST!”
Good to know
Age and repair size decide it, same as any equipment — with the note that heat pumps age faster than ACs because they run year-round. Minor electrical fixes make sense at almost any age; compressor or reversing-valve work on a unit past 10–12 years deserves the honest side-by-side against replacement, and we will put both numbers in front of you.
Frost that comes and goes with defrost cycles: normal machinery doing normal work. Ice that builds into a permanent shell: a defrost fault, low charge, or starved airflow — and running it that way punishes the compressor hourly. Emergency heat on, phone call in, and we will sort which failure it is. We would rather you ask than guess.
Brand-agnostic by design: the parts that fail — capacitors, contactors, defrost boards, fan motors — are largely universal, and the diagnostics do not care whose sticker is on the cabinet. If it is a heat pump in Lake County, it is our patient.
Twice a year is the gold standard — a pre-winter and pre-summer visit, because the machine works both shifts. Once a year is the floor. No other residential HVAC equipment earns its maintenance schedule the way a heat pump does, and the lifespan data shows it.
Cold weather raises usage; it should not double it. A doubled bill is the signature of auxiliary resistance heat running far past its job — covering for a heat pump fault or a misconfigured control. One diagnostic visit identifies which, and at winter electric rates it tends to pay for itself before the next statement.
The reversing valve is the prime suspect — it is the component that redirects refrigerant flow between modes, and its solenoid or the valve body itself can fail. The cheaper alternative is a control or thermostat fault giving the wrong orders. Testing separates them quickly, and both are repairs we handle routinely.
Start with the reassuring possibility: heat pumps deliver milder air than furnaces by design — near body temperature — so it can feel cool while heating perfectly well. The concerning version is when the house genuinely cannot hold temperature: that points to low refrigerant, a reversing valve fault, or a mode problem, and it is worth diagnosing before auxiliary heat quietly takes over your electric bill. That goes for every home we serve in Lake County.
One call reaches our local team — no national call center, no runaround. Serving Highland Park and all of Lake County.
Or email support@apex-climate-control.com · Financing available with credit scores as low as 550