For homes
We replace condensers, coils, and line sets in houses, two-flats, and condos. You get a written quote before we order anything.
- Upstairs runs hot
- Old unit short cycles
- Window units in bedrooms
AC replacement Chicago IL built for greystones and high-rises
When your old condenser quits in July, AC replacement Chicago IL is the fastest way back to a cool house. Whether you own a greystone in Logan Square or a condo in River North, we quote the job, order the equipment, and get your family comfortable again.
Load calculationLine set checkCharge verification- We measure firstRoom-by-room before any quote
- We protect floorsDrop cloths on every stairwell
- We document readingsCharge and airflow on the invoice
- We haul it awayOld unit leaves with us
What is included in a full replacement
Every AC replacement Chicago IL job we quote includes the equipment, labor, permit, and cleanup. Here is the standard scope. If your job needs something extra, like new ductwork or a crane lift, we tell you before we start, not after.
New condenser and coil
New copper line sets
We replace the copper line sets on most jobs rather than reusing old ones. New lines get brazed with nitrogen flowing, pressure-tested, and pulled to 500 microns with a vacuum pump before we charge the system with R-410A or R-32 refrigerant.
Electrical and thermostat
New disconnect box, whip, and properly sized breaker checked with a digital multimeter. We install or reprogram your Honeywell, Nest, or Ecobee thermostat and walk you through the schedule before we pack up.
Condensate management
New PVC condensate drain line with a float switch and, where needed, a condensate pump.
Permit and inspection
City of Chicago mechanical permit pulled in your name where required, plus the inspection scheduled and met by our team. You get the permit card and inspection sign-off for your records.
Cleanup and haul-away
Old condenser, coil, and packaging removed from the property. We sweep the mechanical area, wipe down surfaces, and leave the space ready for you to use. No debris left in the gangway or alley.
Homes and businesses.
The approach is the same for a home and a business. What changes is the access, the schedule and who needs the paperwork.
For buildings
We handle rooftop and ground-level replacements for landlords and property managers. Crane lifts and inspections are coordinated for you.
- Rooftop condenser swap
- Multi-unit replacements
- Tenant turnover deadlines
What AC replacement Chicago IL actually involves
A plain-language look at what AC Replacement involves and when it is needed.
See how it worksWe recover the old R-410A refrigerant with a recovery machine, cut and braze new copper line sets, pressure-test to 500 microns with a vacuum pump, and verify charge with a manifold gauge set. If your ductwork is undersized or leaking, we address that too, because a new 3-ton unit on 2-ton ducts will never hit its rated capacity.
Chicago summers push condensers hard. A unit that ran fine at 88 degrees can trip on high head pressure at 98, and greystones with west-facing brick walls bake their equipment all afternoon. When you call for AC replacement near me Chicago IL, we look at the real culprits: a frozen evaporator coil from low charge, a blower motor failure on a 20-year-old air handler, or a compressor that finally grounded out. We also replace the furnace at the same time when it makes sense, since AC and furnace replacement Chicago shares the same plenum, filter rack, and thermostat wiring.
Sizing, line sets, and charge verification decide whether a new AC actually cools.
- What it is
- Removing an old condenser and coil and installing a matched, correctly sized replacement system.
- When you need it
- Compressor failure, R-22 equipment, repeated leaks, or a system past 15 years old.
- What to expect
- A load calculation, written quote, one-day install, permit, and a walkthrough before we leave.
How our AC replacement day runs
Most residential replacements take one day, start to finish. Here is exactly what you will see from the moment we pull up to the moment we hand you the thermostat.
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Load calculation
We measure every room, check window orientation, insulation, and duct size, then run an ACCA Manual J Load Calculation. This tells us the real tonnage your Chicago home needs, not a guess based on the old unit. Takes about 45 minutes.
- Measure rooms
- Check ducts
- Size load
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Equipment selection
You pick, we order.
- Recover charge
- Remove unit
- Protect floors
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Removal and recovery
On install day we recover the old refrigerant with an EPA-compliant recovery machine, disconnect the line set, and haul the condenser and coil out. We lay drop cloths on your floors and protect the stairwell. Removal usually takes 90 minutes.
- Braze lines
- Pull vacuum
- Weigh charge
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Install and commissioning
New pad, new copper line sets, new PVC condensate drain with a float switch, new thermostat. We pull a deep vacuum to 500 microns, weigh in the charge, and run the system for 30 minutes checking supply and return temps with an anemometer and digital multimeter.
- Set thermostat
- Hand over papers
- Walk through
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Walkthrough and paperwork
You get our number for anything that comes up in the first year. Total job time is typically 6 to 8 hours.
The tools and standards behind the work
Move across a circle, or focus it and press Enter, for an illustrative thermal view of the photograph.
Manifold gauge set
Used to read high and low side pressures during charge verification and to diagnose a restricted line set or a failing compressor before we condemn a system.
Vacuum pump and micron gauge
Pulls the new line set down to 500 microns before charging. Skipping this step is the most common cause of premature compressor failure on cheap installs.
Electronic refrigerant leak detector
Finds leaks at brazed joints, Schrader valves, and coil headers that a soap bubble test misses. We leak-check every new system before we leave.
Thermal imaging camera
Reveals duct leakage, missing insulation, and hot spots in walls that explain why one room never cools. We use it during the load calculation walkthrough.
Anemometer and manometer
Measures supply and return airflow and static pressure so we can confirm the new system is moving the CFM it was designed for, not just running.
Thermal views are illustrative, generated from the photographs.
Methods
Recovery machine
Recovers R-410A and R-32 refrigerant from the old system per EPA Section 608 rules. Nothing gets vented to atmosphere on our jobs.
ACCA Manual J Load Calculation
The industry standard for sizing residential HVAC equipment. We measure windows, insulation, orientation, and occupancy room by room so the new condenser matches the actual load instead of a rule of thumb.
ACCA Manual D Duct Design
Applied when ductwork needs modification. It confirms the supply and return trunks can carry the airflow the new system needs. Undersized ducts are why so many replacements disappoint.
AHRI matched system verification
We only install condenser and coil combinations listed in the AHRI directory.
EPA Section 608 refrigerant handling
We recover, recycle, and charge refrigerant by weight, and we document the amounts on the invoice.
When Chicago homeowners pull the trigger
Heat wave failure
A 20-year-old condenser dies during a July heat wave and the house hits 88 degrees by noon.
We run an emergency diagnostic, confirm the compressor is grounded, and quote a prompt replacement from stock. Our crew installs a matched Carrier or Goodman system and commissions it before dinner.
Greystone central air
A greystone owner is tired of a window unit in the bedroom and wants real central air.
We design a system around the existing ductwork or add a ductless mini-split for the top floor. We pull the City of Chicago permit and coordinate the inspection.
Outcome: Whole-home cooling without window units, and a system that adds resale value to the property.
Three-flat turnover
A landlord needs two units replaced in a three-flat before new tenants move in on the first.
We schedule both installs on quickly, keep the common stairwells clean, and handle the permit and inspection ourselves so the owner does not have to be on site.
Outcome: Both units running and inspected before move-in day, with documentation for the building file.
AC plus furnace
A homeowner is replacing the furnace anyway and asks whether to do the AC at the same time.
We quote AC and furnace replacement Chicago as a package, reuse the plenum and thermostat wiring, and apply for the combined ComEd rebate on the matched system.
High-rise rooftop
A high-rise condo owner needs a rooftop condenser swapped without disrupting neighbors.
We coordinate with the building engineer, arrange the crane lift, protect the roof membrane, and work within the building's allowed hours.
Outcome: New condenser online in one day with no damage to the roof and no complaints from the HOA.
How AC replacement runs in Chicago
Chicago is a tough town on air conditioners. Summer humidity sits above 70 percent for weeks, and a condenser that is 10 percent undersized will struggle to pull moisture out of the air. Our building stock makes it harder: greystones have thick masonry walls that hold heat, many two-flats run ductwork through unheated attics or crawl spaces, and high-rises put condensers on roofs where they bake in direct sun.
We size every system with an ACCA Manual J Load Calculation and check static pressure with a manometer before we call a job done. City of Chicago mechanical permits are required on most replacements, and we pull them so your inspection passes the first time. If you are comparing quotes for a Chicago air conditioning install company, ask whether they run a load calculation or just match the old tonnage.
We also see a lot of R-22 systems still running in older buildings, and those cannot be legally recharged, so replacement is the only path. For homeowners weighing the cost to replace central air in Chicago, the honest answer is that a properly sized system lasts 15 to 20 years and pays back the efficiency difference within about six summers.
We walk the space and explain the plan We lay protection and set up equipment We test the system and review next steps
From problem to finished result.
Logan Square greystone, 2.5-ton swap
Before: A 2004 Carrier condenser was short cycling every 10 minutes and the second floor never dropped below 80 degrees. The line set was original, the pad was cracked, and the condensate drain was dumping water into the basement stairwell.
After: We installed a matched 2.5-ton 16-SEER2 system with new copper line sets, a new pad, and a float-switched condensate drain. Second-floor temperatures dropped 7 degrees and the compressor now runs 12-minute cycles instead of 10.
Change the 16x25x1 filter every 60 days, hose off the condenser coil each May, and book a spring tune-up so we can check charge and capacitor health before the first heat wave.
River North high-rise rooftop unit
Before: A 15-year-old rooftop condenser was tripping on high head pressure by 2 p.m. every July afternoon. The building engineer had been resetting the breaker daily and the unit below had water stains from a clogged drain line.
After: We crane-lifted a new 3-ton condenser, replaced the line set and drain pan, and installed a condensate pump with a safety switch. The unit has run two full summers without a single high-pressure trip.
We schedule a rooftop inspection each April to clear debris from the coil, test the condensate pump, and verify refrigerant charge before cooling season starts.
Norwood Park ranch, AC plus furnace
Before: The homeowner's 18-year-old AC and 20-year-old furnace both failed within a month of each other. The ductwork was leaking badly at every joint and the upstairs bedrooms were 8 degrees warmer than the living room.
After: We replaced both units in one day with a matched Carrier system, sealed 14 duct joints, and added a return air drop to the hallway. The temperature split between floors dropped to 2 degrees and the ComEd rebate covered part of the duct sealing.
Problems a new system solves for good
By the time most Chicago homeowners call us, the system has been limping for two or three summers. Here are the failures we see most often and what replacement does about them.
- No coolingAC running but not coolingYou are paying to run a compressor that is not moving heat. Electric bills climb while the house stays warm, and the compressor eventually overheats and grounds out. We test the capacitor, contactor, and refrigerant charge first. If the compressor is failing or the system is low on R-410A with a leak we cannot access, replacement is the honest answer. A new matched system restores full cooling capacity on day one.
- Frozen coilFrozen evaporator coil every summerA coil that ices over restricts airflow, strains the blower motor, and can send water into your furnace or ceiling. It usually means low charge or a dirty coil that has been neglected for years. We clean and test the coil, check charge with a manifold gauge set, and inspect the blower motor and filter rack. If the coil is corroded or the system is R-22 era, we quote a full replacement with a new matched coil.
- High billsRising electric bills with no comfort gainThat money is gone and the house still feels sticky. Most customers see the difference on the very next ComEd bill.
- Uneven floorsUneven cooling between floorsThis is usually a duct design problem that a bigger AC unit will only make worse. We run an ACCA Manual D Duct Design check, seal duct leakage we find with a thermal imaging camera, and size the new equipment to the actual load. The result is even temperatures without oversizing the condenser.
Why homeowners replace instead of patch
A correctly sized system cools evenly and costs less to run.
Lower summer electric bills
A new 16-SEER2 system uses roughly 20 to 30 percent less electricity than a 10-SEER unit from 2005.
Cooling that actually reaches upstairs
Most second-floor bedrooms in Chicago two-flats run 6 to 9 degrees warmer than the first floor. We fix that with proper Manual J sizing, a matched coil, and duct corrections where needed. You get even temperatures instead of a window unit in the bedroom.
Fewer emergency calls
New equipment means no more 2 a.m. calls about AC running but not cooling. We install a fresh run capacitor, contactor, and thermostat wiring so the system starts clean every cycle. Our customers average zero mid-season breakdowns in the first three years.
Rebates and tax credits
What you receive
Clear records you can keep and share.
Quote sheet
Written pricing before we order
Permit card
City inspection sign-off copy
Reading log
Charge and airflow numbers recorded
Service ZIP codes.
A list like this tells people straight away whether you cover their street. Not listed? Call and ask: it only takes a minute.
- 60018
- 60649
- 60641
- 60640
- 60643
- 60642
- 60645
- 60644
- 60647
- 60646
- 60616
- 60617
Towns we serve.
Based in Chicago and covering the places around it. Pick one for local details.
- Lincoln Park
- Lakeview
- Wrigleyville
- Lincoln Square
- Ravenswood
- North Center
- Roscoe Village
- Logan Square
- Bucktown
- Wicker Park
- Ukrainian Village
- Uptown
Questions Chicago homeowners ask before replacing
A straightforward 2-ton swap on an existing pad sits near the low end. We give you a written number before we order anything.
A standard residential replacement takes 6 to 8 hours, so we finish quickly. If we are also replacing the furnace or correcting ductwork, plan on a second day. High-rise jobs with rooftop crane lifts can add 2 to 3 hours for rigging. We give you a start time and a realistic finish window when we book the job.
Size comes from an ACCA Manual J Load Calculation, not square footage alone. A 1,200-square-foot Chicago greystone with average insulation usually lands at 2 to 2.5 tons, while a 2,000-square-foot frame house with west-facing windows can need 3.5 tons. Oversizing is the most common mistake we see, and it causes short cycling, high humidity, and premature compressor failure.
Yes. We offer AC replacement financing Chicago IL homeowners can use for the full job, including equipment, labor, and permit fees. Options include 0 percent for 12 months and extended plans up to 60 months. Approval takes about five minutes online, and we can lock in your install date quickly you are approved.
Other work we handle on the same visit
Other services from the same team.
- HVAC Tune-Up & MaintenanceA heating and air conditioning tune-up in Chicago IL twice a year keeps the system efficient and catches failures early. We clean coils, check capacitors and gas pressure, test safeties with a combustion analyzer, and replace your filter. Most tune-ups take 60 to 90 minutes.
- Furnace RepairNo heat, cold air from the vents, short cycling or a furnace that won't stay lit. We test the hot surface igniter, flame sensor, gas valve and inducer motor, then repair what failed. Most furnace repair Chicago calls are finished in one visit with parts from our truck.
- AC RepairAC running but not cooling, warm air, ice on the lines or a unit that trips the breaker. We check refrigerant charge with a manifold gauge set, inspect the run capacitor and blower motor, and clear clogged condensate drain lines. Prompt AC repair across Chicago when you call before noon.
Get your AC replacement Chicago IL quote today
One call gets you a real number from the installer who will do the work, not a salesperson. We quote in writing, pull the permit, and finish most jobs in a single day. Call (312) 638-0812 and let's get your house cool again.
Get in touch with us
Call (312) 638-0812 or email info@hvacchicagopro.com and tell us what your system is doing. If you leave a message after hours, we'll call you back with a plan.
- Phone
(312) 638-0812 - Email
info@hvacchicagopro.com - Address
Chicago, Illinois