Emergency HVAC Service in Chicago & Suburbs
When Your System Goes Down, We Show Up the Same Day

Your heat quits at midnight. Your AC dies on the hottest day of July. Frontline shows up same day with the part on the truck and a price before we touch the system. Call before noon and we’ll be at your door that afternoon.

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
Chicago’s Same-Day Heating and Cooling Crew

When your furnace quits in January or your AC stops cooling in July, you need someone at your door today, not next week. Frontline responds to emergency HVAC calls across Chicago the same day, with the right parts already on the truck.
The Frontline crew are EPA and NATE certified, upfront about pricing, and won’t leave until the system is back up. No surprise charges. No three-day windows. Just honest work from a family-owned team that lives and works in the same city you do.


Over 150+ Verified 5 Star Google Reviews
Common HVAC Emergencies
Four Problems That Cannot Wait Until Morning

Some HVAC problems are inconvenient. These four are urgent. If your system is showing any of these signs, call Frontline before it gets worse.

Furnace Stops Working in Winter
When your furnace quits mid-January, the temperature inside drops fast. A Frontline technician will diagnose and repair the issue the very same day.

AC Blowing Warm Air in Summer
A lack of cool air during a Chicago heatwave is more than uncomfortable. It can be unsafe. We get a tech to your door fast to restore your comfort.

Strange Noises or Banging
Banging, screeching, or rattling from your HVAC system usually means something has failed or is about to. Don’t wait. Strange noises require immediate attention.

Thermostat Not Responding
If your thermostat is unresponsive or your system won’t follow its settings, you may have a wiring issue or a malfunctioning HVAC system that needs a technician fast.
Emergency Repair
Emergency HVAC Repair Services in Chicago and Surrounding Areas

When your heating or cooling system fails, you need a technician at your door fast. Frontline provides 24-hour emergency HVAC repair services across Chicago, day or night, 7 days a week.
24-Hour Emergency HVAC Repair
HVAC systems don’t fail on a schedule. Frontline dispatches a certified technician day or night to diagnose and repair your system fast, keeping your home covered when it matters most.
We Dispatch Fast, Day or Night
Frontline answers emergency HVAC calls 24 hours a day, 7 days a week. A certified technician heads to your door with parts on the truck, ready to diagnose and repair the same visit.
Emergency AC Repair
When your air conditioner stops working during a Chicago summer heat wave, every hour counts. Our techs arrive with parts on the truck and get your AC running the same day.
We Get Your AC Running the Same Day
Our techs handle emergency AC repair across Chicago and the surrounding areas. We show up with the parts, give you the price before we start, and restore your comfort before we leave.
Emergency Heating
A furnace breakdown in winter is an emergency situation, not a next-week problem. Frontline responds fast to urgent heating and cooling calls across the Chicagoland area, including nights and weekends.
We Show Up Before It Gets Unsafe
Frontline responds to emergency heating calls across the Chicagoland area, including nights and weekends. We diagnose the furnace, explain what failed, and fix it right the first time.
HVAC Emergencies
From a malfunctioning HVAC system to a refrigerant leak or major component failure, Frontline handles the full range of HVAC emergencies. We show up, we diagnose it, and we fix it right.
We Handle It All, Start to Finish
Whether it’s a refrigerant leak, a breakdown, or a heat pump failure, Frontline’s HVAC technicians are trained to handle the full range of HVAC emergencies. One call and we’re on the way.
$75 Off Repairs,
Price Set Before
We Start

Emergency Repair
Emergency HVAC Repairs We’ve Handled Across Chicago

Every job tells a story. Here’s a look at real emergency HVAC repair calls Frontline responded to across the city, what broke, and how we fixed it.

AC Repair
Emergency AC Repair in Old Town, Chicago
The Problem: The homeowner’s air conditioner stopped working on one of the hottest days of the summer. The system was blowing warm air. Every hour without AC made the situation more urgent.
Our Solution: A Frontline technician arrived the same day, diagnosed a failed capacitor, and replaced the part on the spot. The AC was running and the home was cool and comfortable before we left.

Boiler Repair
Emergency Heating Repair in South Loop
The Problem: The homeowner’s boiler shut down in the middle of winter with no heat to the home. The system was showing warning signs for weeks but stopped working entirely overnight.
Our Solution: Frontline responded the same day, identified a corroded heat exchanger causing the breakdown, and completed the repair before temperatures dropped further. The system was back up and running the same visit.
Customer Google Reviews
What Chicago Homeowners Say About Frontline

⭐⭐⭐⭐⭐ 4.9 out of 5 based on 150+ Google reviews
HVAC Services
Heating and Cooling Services That Keep Chicago Homes Running

From emergency HVAC repair to routine tune-ups, Frontline covers it all. Jared and the crew are ready to respond across the Chicagoland area, day or night, for whatever your system needs.

Your System Is Down. Frontline Is Ready.
Got Questions About Emergency HVAC Service in Chicagoland?
Chicago winters and summers don’t wait. If something feels off with your system, we’re here to help you figure out what to do next.
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.
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