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AC Replacement in Crystal Lake, IL

Free estimates for a new air conditioner in Crystal Lake, IL. As of October 2026, central air with the matching coil costs $5,000 to $9,000 installed.

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Get a Free New AC Estimate in Crystal Lake

Free in-home replacement estimates from a Lennox Premier Dealer.

  • Good, Better and Best options with upfront pricing
  • ComEd rebates applied where you qualify
  • Financing available, including 0% APR on select Lennox systems during Lennox promotions
  • Sized with a load calculation, installed and permitted

Repair Instead of Replace?

If your air conditioner may be worth fixing, our Crystal Lake AC repair team starts with a $75 diagnostic.

  • $75 diagnostic ($99 evenings, weekends & holidays)
  • 24/7 emergency service, with same-day appointments available
  • Trucks stocked with common AC parts like capacitors and contactors, so most repairs are done in one visit
  • Upfront, flat-rate pricing before any work starts

Quick Summary

As of October 2026, a new central air conditioner from Pure Comfort Heating and Cooling costs $5,000 to $9,000 installed in Crystal Lake, IL (60012 and 60014), including the matching indoor coil. Estimates are free and in writing, every system is sized with a load calculation, and replacing the AC and furnace together costs $8,000 to $19,000. Financing includes 0% APR on select Lennox systems during promotions. Call (708) 515-4822.

Reviewed by , owner and NATE- and EPA 608-certified HVAC technician since 2008 · Updated

Crystal Lake AC Replacement

Choosing a New Air Conditioner for a Crystal Lake Home

Crystal Lake homes range from 1960s ranches and split-levels to large 1990s two-stories in subdivisions like The Villages and Wedgewood, many still running original builder-grade air conditioners. When we replace one, we size it with a load calculation, check return air and balancing on split-levels and look at zoning in bigger homes. R-22 systems need a new matching coil, so we also price a matched AC and furnace together.

HOW IT WORKS

AC Installation in Crystal Lake: How It Works

It starts with a free visit to your Crystal Lake home. We measure the house and ductwork, check the electrical service and condenser location and run a load calculation, then give you written Good, Better and Best Lennox options with rebates and financing. On install day, our own crew recovers the old refrigerant, sets the new condenser and matching indoor coil, replaces or flushes the refrigerant lines as needed, pulls a deep vacuum and charges the system by measurement. We check airflow and temperature split before we leave and register the warranty.

New Lennox high-efficiency furnace with PVC venting installed by Pure Comfort in a Crystal Lake, IL basement
REPAIR OR REPLACE

Repair or Replace Your Crystal Lake Air Conditioner?

Most central air conditioners last 12 to 17 years here. Replacement usually makes more sense when the compressor or coil fails on an older unit, the system still uses R-22 refrigerant, or repairs keep coming back. If your Crystal Lake AC is younger and the problem is a capacitor, contactor or fan motor, a repair is often the better value, and our Crystal Lake AC repair team can diagnose it for $75.

New Lennox air conditioner on a new pad installed by Pure Comfort beside a Crystal Lake, IL home
WHAT WE DO HERE

Cooling Services in Crystal Lake

Related services for Crystal Lake homeowners.

Cost & timing

New AC Cost in Crystal Lake

As of October 2026, a new air conditioner from Pure Comfort costs $5,000 to $9,000 installed in Crystal Lake, including the matching indoor coil. Tonnage, a new matching coil for R-22 systems and zoning in larger 1990s homes drive most of the price in Crystal Lake. Replacing the AC and furnace together costs $8,000 to $19,000. Every estimate is free and in writing, with rebates and financing shown before you decide.

New air conditioner pricing in Crystal Lake, IL (Pure Comfort installed pricing, October 2026)
ItemTypical priceWhat changes it
Free in-home estimate$0Load calculation and written Good, Better and Best options
New AC with matching coil, installed$5,000 to $9,000Tonnage, efficiency, single-stage versus two-stage or variable-capacity, line set and electrical
AC and furnace together$8,000 to $19,000Matched Lennox system with shared labor
Heat pump instead of ACComEd rebates may applyQualifying ducted heat pumps that also heat in spring and fall
Install timeUsually 1 dayZoning or an added ductless head can add a day
Permit and inspectionArranged where requiredWho files depends on the City of Crystal Lake
Financing0% APR on select Lennox systemsDuring Lennox promotions; longer terms with interest on projects over $2,000

Permit needs for an air conditioner replacement in Crystal Lake depend on the equipment and project scope. Where a permit is required, we confirm the City of Crystal Lake’s current requirements and pull the permit, or help you file it in towns where the homeowner applies, then schedule any required inspection.

WHY HOMEOWNERS CHOOSE US

Why Crystal Lake Homeowners Choose Pure Comfort

Pure Comfort focuses on clear answers, sound system design and work that holds up after the service truck leaves.

1

Local and family-owned

Founded in Streamwood in 2008 and still owned and operated by the family who started it.

2

In-house technicians

Service and installation completed by our own crews, never subcontracted to another company.

3

Certified and insured

NATE and EPA Section 608 certified, fully licensed and insured for the work we carry out.

4

Lennox Premier Dealer

Premier Dealer standing, with service and repair covering all major HVAC makes and models.

Our replacement process considers sizing, airflow, ductwork, filtration, venting, electrical requirements and controls. Where a permit is required, we confirm the current Crystal Lake requirements and pull the permit, or help you file it in towns where the homeowner applies, then schedule any required inspection.
HERE WHEN YOU NEED US

Not Sure Whether to Repair or Replace?

We will assess the system, explain what we find and help you compare the realistic options for your Crystal Lake home.

LOCAL PROOF

Feedback From Homeowners We Serve

Choosing an HVAC company means trusting the people who enter your home and the work they leave behind. Read recent customer feedback about Pure Comfort’s communication, care and workmanship.

 

What Crystal Lake homeowners say

★★★★★
“We had an emergency with an electrical component in our HVAC system. I had an appointment slot a couple hours later with no emergency/after hours/weekend upcharge. Pricing was straightforward and I felt like he gave us honest, good advice about what repairs to do now and future options! I would recommend them to a friend (like a friend recommended them to me) for the service and very friendly staff at every stage! This felt like an emergency when we called them and ended up feeling more like a minor inconvenience.”
B. B. · Crystal Lake · Google review
Emergency repair
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When you need HVAC due to an unexpected event you want someone who not only can provide the service you need….

Google Review
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Great service. Very professional. They try all avenues to resolve issues with equipment. Always a pleasure to work….

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Had an issue with the thermostat reading erroneously, as soon as I contacted Pure Comfort, they got back….

Google Review
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Our serviceman, Gene, was very responsive, professional and thorough. He explained each aspect of the issue clearly and….

Google Review
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I called them at 7am with no heat, the only available spot they had was in the afternoon, 5 minutes later they called….

Google Review
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Gene was professional, on-time, very friendly and did a thorough job inspecting our A/C unit. He also checked….

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Quick and honest service and advice last minute on a Sunday. Clean crew and equipment. Gene was a knowledgeable….

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Gene did not give up on the problem. It was a crazy situation but he never gave up found the problem and fixed it. Thank you….

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Furnace wasnt working. Called Pure Comfort after hours and they came right out and helped me. The furnace….

Google Review
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Very professional, definitely knowledgeable had the furnace fixed in 10 minutes. I can honestly say I trusted Gene….

Google Review
NEARBY

AC Replacement Near Crystal Lake

Pure Comfort installs new air conditioners throughout Crystal Lake (60012 and 60014) and the towns around it, including AC replacement in Cary, AC replacement in Algonquin and AC replacement in Huntley. Our shop is in Streamwood, about 40 minutes away, and our own crews handle every install.

AC replacement in nearby towns

Near Crystal Lake but not listed? We serve towns within about 20 miles of Streamwood. See all service areas or call (708) 515-4822.

COMMON QUESTIONS

Crystal Lake AC Replacement FAQs

As of October 2026, a new air conditioner from Pure Comfort costs $5,000 to $9,000 installed in Crystal Lake, including the matching indoor coil. Tonnage, a new matching coil for R-22 systems and zoning in larger 1990s homes drive most of the price in Crystal Lake. Replacing the AC and furnace together costs $8,000 to $19,000, and ComEd rebates can apply if you choose a qualifying heat pump instead.

Call (708) 515-4822 or book online. We visit your Crystal Lake home, measure the house and ductwork, run a load calculation and give you written Good, Better and Best options with rebates and financing. The estimate is free, and there is no pressure to decide on the spot.

Permit needs for an air conditioner replacement in Crystal Lake depend on the equipment and project scope. Where a permit is required, we confirm the City of Crystal Lake’s current requirements and pull the permit, or help you file it in towns where the homeowner applies, then schedule any required inspection.

In larger Crystal Lake two-stories, a two-stage or variable-speed AC with a variable-speed furnace blower usually evens out upstairs temperatures. In split-levels, balancing or zoning often matters as much as the AC itself.

Most air conditioner replacements in Crystal Lake take one day, including the new condenser, matching indoor coil, refrigerant lines when needed and startup testing. Adding zoning or a ductless head upstairs can add a day.

Yes. Pure Comfort is based in Streamwood, about 40 minutes from Crystal Lake, and installs air conditioners across 60012 and 60014. We are a Lennox Premier Dealer with NATE-certified technicians, and our own crews do every install.

If both are about 15 years old or older, replacing them together usually saves on labor and lets us match the new furnace blower to the new AC coil for better efficiency. A furnace and AC replaced together typically runs $8,000 to $19,000 installed. If one system is much newer, we can replace only the one that needs it.

SCHEDULE SERVICE

Schedule a Free AC Estimate in Crystal Lake

Get a careful diagnosis, straightforward options and help from a local HVAC company that stands behind its work.

Call rather than using the form: (708) 515-4822. Forms are checked during business hours, so a phone call gets you a faster answer.

Schedule HVAC Service

Reviewed and last updated by , owner of Pure Comfort Heating and Cooling and a NATE- and EPA 608-certified HVAC technician since 2008.