Air conditioning installation in Naperville, IL — sized to your house, not your old unit's label.

Full AC installation in Naperville starts from $3,800, varying with system size and any ductwork work required. Every quote is based on a real Manual J load calculation rather than the old unit's label, and it's written before work begins — the same process whether the job falls on the DuPage or Will County side.

It can, if the install needs a new disconnect or circuit — that coordinates through the City of Naperville's own Electric Utility rather than ComEd, which is a different process than in most surrounding suburbs. We handle that coordination as part of the job.

A split-level near the Historic District and a new build in Ashwood Park or White Eagle weren't built to the same insulation or duct standards. An oversized system in a less-sealed older house short-cycles and wears out early, and an undersized one in a newer, tighter house runs constantly without keeping up — a Manual J catches both before installation day, not after.

Most AC installations run one to two days from old equipment haul-away through a new line set and pad, ending with a commissioning report and final readings before we leave. Timing doesn't change based on which side of the county line the job falls on.

Yes — we confirm which side of the DuPage–Will county line a job falls on and file with the correct permit office accordingly, rather than learning it on install day.

Yes — air conditioning replacement is an AC installation where the old outdoor unit and indoor coil come out first. Sizing runs the same Manual J calculation either way, based on the house's actual load rather than the tonnage of the unit being replaced.

Plainfield, Yorkville, Bolingbrook, Oswego, Wheaton, Lisle, Minooka, Shorewood, and Aurora, alongside Naperville. If you're just outside that list, call anyway — we make exceptions for a reasonable drive.