McHenry County · ZIP 60102
A dead air conditioner in Algonquin never picks a convenient moment — it waits for the first real heat wave of the summer.
Apex Climate Control is based in North Aurora — about 46 minutes from our North Aurora shop — and we handle air conditioning repair calls throughout Algonquin, where the Fox River cuts through the hills.
We diagnose the actual fault before we quote anything, explain what failed in plain English, and give you a real price before work starts.

These are the symptoms that fill our schedule every summer in Algonquin and the surrounding towns:
Here is what an AC repair visit from Apex looks like:
Capacitors, contactors, fan motors, refrigerant leaks, drain clogs, control faults — any of them can take a system down, so we let the meter readings, pressures, and temperatures point to the real culprit instead of guessing at it. Ask any Algonquin customer who has watched us work.
You see what failed, why it failed, and what the repair costs before we touch a wrench. No mystery line items.
We fix the fault, then verify the whole system — pressures, temperature split, amp draws, and drainage — so the repair actually holds. We hold that line on every job in McHenry County.
Parts rarely die of old age alone — something worked them to death. Before we leave, we hunt for the dirty coil, starved airflow, or voltage issue behind the failure so it does not claim the replacement part too.
Between the humidity coming off the Fox Valley and cottonwood season packing condenser coils solid, McHenry County air conditioners earn their keep. In Algonquin specifically, an old river-town core surrounded by extensive 1990s–2000s subdivision growth on both sides of the Fox — with the Randall Road corridor's newer stock aging into service years — so we show up ready for anything from a 25-year-old system on its last legs to a modern high-efficiency unit with a control-board fault.
The most expensive AC habits we see around McHenry County:
What AC repairs cost in Algonquin — the honest framing:
AC repair pricing spreads wide because the failures do: a run capacitor or contactor is a modest same-day fix, a blower motor or fan motor sits in the middle, and compressor or refrigerant-circuit work is where the bills get serious — often serious enough that replacement deserves a look. What we promise on every Algonquin call is the same: a diagnostic that identifies the actual fault, then a firm price you approve before a single part goes in. That policy has never once changed for a Algonquin customer, and it will not start now.
Real customers, real Google reviews
“I got quotes from four different companies and ended up going with Apex. I really liked how quickly they communicated and that they were able to start the work the same day — Jojo explained what I needed, gave me different options, and was fully transparent with the pricing.”
“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.”
Good to know
Every one of them. Carrier, Trane, Goodman, Lennox, Rheem, Bryant, American Standard — refrigeration is refrigeration, and our trucks carry the universal parts and common OEM components that cover what McHenry County homes actually run.
You hear the diagnostic fee when you book the call, and the repair itself gets priced and approved before any work starts. Nobody gets surprised at the invoice — that is the whole policy.
A single reset after a storm knocks the power around is reasonable. Beyond that, the system is tripping for a reason — safeties exist to protect the compressor, and overriding them repeatedly is the most expensive habit in air conditioning.
The most common causes are a low refrigerant charge from a leak, a failed capacitor keeping the outdoor unit from starting, a frozen indoor coil from weak airflow, or a dirty condenser coil that cannot reject heat. A proper diagnosis tells us which one you have — guessing gets expensive. We are about 46 minutes from our North Aurora shop, so help is close.
A coil only freezes when something is wrong — either airflow across it has collapsed (filthy filter, matted coil, blocked returns) or the refrigerant charge has leaked low. Keep running it iced and the compressor pays the price, so switch it off and get it diagnosed.
A breaker that trips on every AC start is telling you something real — most often a compressor struggling to start, a fan motor drawing hard, a shorted conductor, or a breaker worn out by years of summer inrush. Resetting it over and over is how small electrical problems become big ones. That has held true on every Algonquin job we have run.
Usually, and the fix depends on the cause. Second floors run hot when duct design shortchanges them, airflow is out of balance, or an aging system has quietly lost capacity. We figure out which one is at work in your house before recommending a dollar of anything.
One call reaches our local team — no national call center, no runaround. Serving Algonquin and all of McHenry County.
Or email support@apex-climate-control.com · Financing available with credit scores as low as 550