Cook County · ZIP 60439
Electric bills, gas prices, and better technology have put heat pumps on the table for Lemont homeowners — and we would rather give you the real trade-offs than a sales pitch.
From homes near the historic limestone buildings to the neighborhoods around downtown Lemont, we quote heat pumps in Lemont the same way we quote everything — in writing, at more than one price, after looking at the actual house.
The two designs we install most are cold-climate heat pumps rated to keep producing heat well below zero, and dual-fuel systems that pair a heat pump with a gas furnace so each handles the temperatures it is best at.

A heat pump conversation is worth having if any of these sound like your Lemont home:
Here is how a heat pump installation runs with us in Lemont:
Everything starts with the building: envelope, windows, duct capacity, and electrical panel all get measured before a model number enters the conversation. Copying the old furnace's size is how heat pumps end up leaning on expensive backup heat all winter — sizing to the house is how they earn their reputation. Ask any Lemont customer who has watched us work.
You get the honest comparison for your house: full cold-climate heat pump, dual-fuel hybrid with gas backup, or keep-the-furnace-and-wait. Balance points, backup heat, and operating cost estimates are explained in plain English, with written options at more than one price.
Outdoor unit set and elevated properly for snow and defrost drainage, line set pressure-tested and evacuated to spec, refrigerant charge weighed in, controls and any furnace integration wired correctly. Cold-climate performance is earned at install time or not at all. We hold that line on every job in Cook County.
We verify capacity and airflow with instruments, set the changeover and auxiliary heat lockout points so backup heat runs only when it should, register the warranty, and walk you through the thermostat — heat pumps run differently than furnaces, and knowing that up front prevents the classic first-winter surprises.
What heat pumps cost in Lemont — the real levers:
The dual-fuel economics hide a gift: if your existing gas furnace is healthy, it can often serve as the backup half of a hybrid system — meaning your heat pump budget buys the heat pump, not two machines. It is one of the most cost-effective paths into heat pump ownership in Cook County, and we always check for it before quoting the more expensive assumption. Ask around Lemont; our quotes have a reputation for matching the invoice.
We have run enough Cook County installs to know the local failure pattern: heat pumps that disappoint here were almost always sized or configured wrong, not the wrong technology. Getting the balance point and backup lockout right for Lemont winters is most of the game.
Heat pump buying mistakes we see in Cook County:
Real customers, real Google reviews
“The Apex Climate Control technicians are simply the BEST!”
“Great service and quality work, thanks!”
Good to know
Modern cold-climate heat pumps keep producing meaningful heat well below zero — the technology has genuinely changed in the last decade. That said, output drops as temperatures fall, which is why we design honestly: either a cold-climate unit sized with proper backup, or a dual-fuel system where a gas furnace takes the worst weeks. Both work in Cook County; the wrong choice is an undersized builder-grade unit with no plan for January. Call 630-486-0401 and we will take it from there.
Against propane or electric baseboard, almost always — often dramatically. Against natural gas, it is a genuine calculation involving your utility rates and the system's cold-weather efficiency, and the answer differs house to house. We run those numbers for your situation rather than reciting a slogan either way. We are about 48 minutes from our North Aurora shop, so help is close.
Similar to an AC, but twice as important because it runs year-round: annual professional service covering coils, refrigerant charge, defrost operation, and electrical, plus regular filter changes at home. A heat pump logs heating and cooling hours on the same compressor, so the maintained-versus-neglected lifespan gap is even wider than with conventional equipment.
A heat pump paired with a gas furnace, sharing the same ductwork. The heat pump handles cooling and most of the heating season efficiently; when outdoor temperatures drop past the changeover point, the furnace takes over automatically. For many Illinois homes it is the best of both — electric efficiency most of the year, gas muscle for the deep cold.
Defrost — and it is the system working correctly. Frost builds on the outdoor coil in cold, damp weather; the unit briefly reverses to melt it, and the meltwater flashes into a visible steam cloud. Normal, periodic, and nothing to fix. The problem version is ice that builds and never clears — that one gets a service call.
Ten to fifteen years is the honest range for year-round Illinois duty — the same compressor logs summer and winter hours, so the calendar moves faster than an AC's. Where you land in that range mostly comes down to two things: the quality of the original install and whether annual service actually happened.
Too many variables for an honest single number — capacity, cold-climate rating, all-electric versus dual-fuel, and what your electrical panel needs all move it. What you get instead: a written quote at multiple price points after we see the house, financing through Enhancify from a 550 credit score, and pointers to whichever federal credits and utility incentives your project qualifies for.
One call reaches our local team — no national call center, no runaround. Serving Lemont and all of Cook County.
Or email support@apex-climate-control.com · Financing available with credit scores as low as 550