Full System Replacement in Libertyville, Illinois
Full System Replacement in Libertyville typically costs $9,000-$18,000 installed in 2026, depending on home size and efficiency tier.
Libertyville's 1990s and 2000s subdivisions are the textbook case for full-system replacement: furnace and condenser installed the same week by the same builder, run the same number of seasons, and now arriving at the end together. Doing them as one project is the cheaper path, not the more expensive one.
| Smaller homes (under 1,500 sq ft) | $7,700-$15,800 |
| Typical homes (1,500-2,500 sq ft) | $9,000-$18,000 |
| Larger homes (2,500-4,000+ sq ft) | $10,100-$23,800 |
Final pricing depends on system size, efficiency, and home configuration. Every quote is written and itemized after a free in-home estimate, with available utility rebates factored in. See current North Shore rebates or get an instant ballpark estimate.
Full System Replacement for Libertyville homes
The mechanical argument is simple. A matched furnace and coil and condenser reach the ratings on their labels; a new unit bolted to an old partner does not. The practical arguments stack on top: one crew, one mobilization, one set of duct connections, one commissioning, and both the Nicor furnace rebate and the ComEd cooling or heat-pump rebate claimed in the same year rather than split across two. Homeowners who split the job eighteen months apart routinely pay more in total and get less performance for it.
A full-system project is also the moment to correct what the builder got wrong. These homes were sized off plan sets, so the equipment often does not match the house after a finished basement or a bonus room over the garage, and the upstairs never quite keeps up in August. We calculate the load on the actual house, size accordingly, and address the return-air shortfalls that a like-for-like swap would carry forward. Free in-home visit, written itemized estimate covering both systems before anything is ordered.
When Libertyville homeowners call us for this
- System is 15+ years old or out of warranty
- A repair would cost a large share of a new unit
- Rising energy bills or uneven comfort
- Repeated breakdowns in a single season
- Phased-out refrigerant (older R-22 AC)
- Planning ahead before a full failure
Why Libertyville homes need replacement planning
Libertyville splits cleanly in two for heating work. The older streets around the downtown and Copeland Manor are pre-war and interwar houses, many still on hot-water or steam boilers with radiators, where the real question is whether to modernize the boiler or take on the much larger job of converting to forced air. West and south of there, the 1990s and 2000s subdivisions run original forced-air furnaces and condensers now hitting their first full replacement at once - matched changeouts where the AC is the same age as the furnace, and replacing one alone leaves an unmatched system running below both units and their published ratings.
Talk it through - (847) 752-4418Neighborhoods we cover in Libertyville
Our process
- 1Free in-home estimate
A comfort specialist comes to your Libertyville home, measures the space, checks ductwork and venting, and explains options and honest price ranges in writing - no charge, no pressure.
- 2Right-sized equipment
We size the system with a proper load calculation and choose efficiency levels that qualify for the utility rebates you're eligible for.
- 3Professional installation
Licensed, insured installers remove the old system and install the new one to spec.
- 4Rebates, registration & follow-up
We register the warranty, hand off the utility rebate paperwork, and confirm everything is running right.
Frequently asked - Full System Replacement in Libertyville
How much does full system replacement cost in Libertyville?
Full System Replacement in Libertyville typically runs $9,000-$18,000 installed, depending on system size, efficiency, and how the home is configured. We provide a written, itemized estimate from a free in-home visit for every Libertyville project - and factor in the utility rebates you qualify for.
Do you serve all of Libertyville?
Yes. We cover every neighborhood in Libertyville, including Historic downtown, Copeland Manor, Rockland, Red Top and surrounding areas.
Are you available 24/7 for emergencies in Libertyville?
Yes. We run a 24/7 line across Libertyville for no-heat and no-cool emergencies and can prioritize dispatch.
What kinds of systems do you commonly replace in Libertyville?
In Libertyville we regularly work with Pre-war boilers and radiators, 1990s-2000s forced-air systems, Central AC, High-efficiency furnaces, Heat pumps. We match the approach to the home's age, ductwork, and venting.
Full System Replacement guides
Looking for the full picture on Full System Replacement or everything we do in Libertyville? Explore those pages, or call (847) 752-4418 for a free estimate today.