24 Hour HVAC in Chicago
When Your System Goes Down, Frontline Shows Up
Furnaces fail at midnight. AC quits in July. Frontline has a tech on the way the same day, with the part on the truck and a price before we touch the system. Chicago homeowners count on us because we pick up the phone when it matters most.
Any Repair Service
$75 OFF
Heating, Cooling & Water Heaters
One repair offer covers every system we touch. Tell us what broke, we quote it upfront with the $75 already off, and most repairs happen the same day you call.
Financing Available
Approved On Income, Not Your Credit Score
A new system is a big number up front. It doesn’t have to be. We run two financing options, and if credit is the problem the second one runs on income instead.
48
Months to pay, maximum term
$0
Credit score needed to apply
2 Min
Application, same day decision
Emergency HVAC Services
Comprehensive HVAC Services Chicago Homeowners Can Count On
Frontline handles heating, cooling, duct cleaning, and air quality for homes across the Chicagoland area. One call gets you a background checked tech on the way, fully stocked vehicle included, ready to diagnose and fix the problem the same day.
Every service call comes with upfront pricing before we touch the system. No surprises, no runaround. Just Jared and the crew showing up, figuring out what’s wrong, and leaving your home running better than they found it.
Over 150+ Verified 5 Star Google Reviews
Emergency HVAC
Common HVAC Problems That Strike in the Middle of the Night
HVAC emergencies do not wait for business hours. These are the calls Frontline gets most often, day or night, holiday or not. If any of this sounds familiar, call before noon and a technician is at your door that afternoon.
Furnace Stops Working in Freezing Temps
A dead furnace at 2am in a Chicago winter is not something that can wait until morning. Our technicians carry the parts on the truck to get heat back on fast.
No Heat and the House Is Getting Colder
Pilot light out, ignition failure, or a tripped safety switch can leave a home cold within hours. We inspect the system and get heating and cooling running again the same visit.
AC Stops Working During Extreme Heat
A failed AC unit during a summer heatwave puts vulnerable family members at serious risk fast, especially overnight. Frontline technicians respond with cooling system repairs day or night.
Uneven Cooling or Warm Air Coming From Vents
Low refrigerant, a failing compressor, or duct issues can leave rooms warm even with the AC on. We diagnose the problem and give you a price before we touch anything.
HVAC Services
HVAC Service Areas Chicago Homeowners Rely On
Frontline covers every corner of HVAC service, from middle of the night emergencies to routine tune ups. Here is a quick look at what we handle most across the Chicagoland area.
24-Hour AC Repair
When your AC quits at 2am in extreme heat, Frontline answers. A technician arrives with the part on the truck and a price before we touch the system, day or night, holiday included.
Fast Response, Fair Price
Our trucks stay fully stocked so most AC repairs get finished in one visit. No waiting days for parts while the heat builds inside your home.
Emergency HVAC Service
No heat, no cooling, gas odor, or a system that will not turn on, these are urgent calls. Our technicians respond fast with fully stocked trucks ready to fix the problem on the spot.
One Call, Same Day Help
Background checked, EPA and NATE certified technicians answer every emergency call. We assess the problem fast and get your system back up safely.
Heating and Cooling Repair
Furnace short cycling, AC running but not cooling, uneven temperatures room to room. Whatever the issue, we diagnose it, explain what failed, and give you the cost before work begins.
Honest Diagnosis, Every Time
You will see the part that failed before we replace it. No upselling, no guesswork, just a clear fix for whatever is going on with your system.
Professional HVAC Maintenance
Regular tune ups catch small issues before they become 2am emergencies. Our certified technicians inspect, clean, and service your system to keep it running efficiently all year.
Fewer Breakdowns, Lower Bills
Biannual tune ups improve efficiency and catch worn parts early. Homeowners on a maintenance plan call us for emergencies far less often.
$75 Off Repairs,
Midnight Or July,
We Answer
HVAC Repair
Real Repairs Across the Chicagoland Area
Every job tells a story. Here is a look at how Jared and the crew solved real HVAC problems for homeowners across Chicago, from Hyde Park to the West Loop.
Boiler Repair
Boiler Repair in Hyde Park, Chicago
The Problem: A Hyde Park homeowner woke up to a cold house and a boiler that would not ignite. With temperatures dropping fast, the family needed heat restored the same day.
Our Solution: Our technician diagnosed a failed ignition control and had the replacement part on the truck. Heat was back on within hours, no overnight wait required.
AC Repair
AC Repair in West Loop, Chicago
The Problem: A West Loop homeowner’s AC unit stopped cooling during a summer heatwave, leaving the home uncomfortably warm with guests arriving that weekend.
Our Solution: We found a refrigerant leak, sealed it, and recharged the system on the spot. Cool air was running again before the homeowner’s next appointment.
Customer Google Reviews
What Chicago Homeowners Say About Frontline Heating & Cooling
⭐⭐⭐⭐⭐ 4.9 out of 5 based on 150+ Google reviews
HVAC Services
Comprehensive Heating and Cooling Services Across Chicagoland
From emergency repairs to seasonal maintenance, Frontline handles every HVAC service your home needs. One call gets a certified technician to your door with the parts and the price before work begins.
Heat Pumps
One system that heats and cools your home year round. Our certified techs install, repair & maintain heat pumps with same-day service and honest pricing.
Air Conditioning
A Chicago summer without AC is miserable. Our certified techs restore your comfort fast with same-day service and upfront pricing you can trust.
Water Heaters
No hot water is never an option. Frontline’s certified techs repair, replace & install water heaters fast with same-day service and upfront pricing.
Chicago’s 24 Hour HVAC Team Is Ready When You Are
What Chicago Homeowners Are Asking About 24 Hour HVAC
From frozen pipes to AC failures in July, Chicagoland homeowners have questions when their system goes down. We answered the most common ones below. Still need help? The Frontline crew is one call away.
Frequently Asked Questions
Get Started
Stay Comfortable, Stay Protected, Frontline Has Your Back!
We’re here to help with all your heating and cooling needs across Chicagoland. Fill out the form below and our team will reach out to discuss your project and schedule your free estimate.
Fill out the form. We’ll reach out to schedule your HVAC repair or replacement.