McHenry County · ZIP 60102
A new air conditioner should be a 15-year decision, not a summer band-aid. We install cooling systems across Algonquin that are sized to the actual house, not to a rule of thumb.
Apex Climate Control installs and replaces air conditioners throughout Algonquin, where the Fox River cuts through the hills, from our home base in North Aurora — about 46 minutes from our North Aurora shop.
Every quote starts with the house itself — square footage, insulation, windows, duct condition, and how the current system has actually performed — because an oversized unit short cycles and an undersized one never catches up in July.

Here is how to know it is time to price a new system instead of another repair:
Our installation process in Algonquin looks like this:
The quote starts with a walk through your actual home — measuring the load, checking duct capacity and electrical, scoping the pad location — because equipment picked off a square-footage chart is how houses end up clammy in July.
Good, better, best — real model numbers, real efficiency ratings, real prices, with financing options laid out if you want them.
We haul the old unit out, set the new condenser dead level, pressure-test and evacuate the line set the way the manufacturer requires, weigh the refrigerant charge in, and leave the electrical and drain work clean enough to photograph. Floors stay covered the entire day. It is how we have built our name around Algonquin.
The job is not done until the instruments say so: airflow, temperature split, and refrigerant readings all verified, warranty registered in your name, and a walkthrough of the thermostat and filter so you know your own system. No shortcuts on that step — not in Algonquin, not anywhere.
The money conversation, without the games:
Financing changes what is realistic: through Enhancify, approvals start at a 550 credit score with promotional terms including 0% options for qualified buyers, so a dead AC in a heat wave does not force the worst-value decision. Apply before we visit if you want the numbers ready — the link is on our financing page. Ask around Algonquin; our quotes have a reputation for matching the invoice.
Algonquin homes — 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 — are exactly why cookie-cutter installs fail here. Duct capacity, return sizing, and line-set routing are different house to house, and the install has to respect that or the new system underperforms from day one.
Replacement mistakes we see Algonquin homeowners walked into:
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.”
“The Apex Climate Control technicians are simply the BEST!”
Good to know
If the furnace is also past the 12–15 year mark, usually yes — the indoor coil sits on the furnace, the blower drives the AC's airflow, and doing both at once saves duplicate labor. That is also where the $350 full-system special applies. If the furnace is young and healthy, we will say so.
We install proven equipment we can stand behind — Goodman is a staple on our trucks for its parts availability and warranty — and we service every major brand afterward regardless of who installed it.
Most straight replacements wrap in a single day. When ductwork changes, electrical upgrades, or a paired furnace enter the picture, the timeline stretches — and we tell you that at the quote, not on install morning. We are about 46 minutes from our North Aurora shop, so help is close.
Yes on both. Old condensers, coils, and refrigerant are removed and handled properly — nothing left at the curb.
Moving from an aging 8–10 SEER system to modern equipment typically cuts cooling costs meaningfully, but the install quality — charge, airflow, duct sealing — determines whether you actually get the rated efficiency. That is why we commission with instruments.
Only the house can answer that — insulation, windows, orientation, and duct capacity all weigh in. The classic McHenry County mistake is oversizing: the system blasts the thermostat down fast, shuts off before the humidity is handled, and the house feels like a cold basement all summer.
Through Enhancify: approvals start at a 550 credit score, qualified buyers can land 0% promotional terms, and the application takes minutes online before you commit to anything at all. Homeowners in the 60102 area ask us this all the time.
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