NATE-certified technicians, upfront pricing, and same-day availability. Whether your system needs a quick repair or a full replacement — we get it done right the first time.
From emergency breakdowns to planned energy upgrades — Chicago Service HVAC handles it all with speed, skill, and integrity.
Is your AC blowing warm air or cycling constantly? Our technicians diagnose and fix all AC brands fast — often same day. No cooling, no comfort. We fix that.
Learn MoreUpgrading to a high-efficiency system? We size, supply, and install central AC units, ductless mini-splits, and more. ENERGY STAR brands available.
Learn MoreChicago winters demand a reliable furnace. We repair gas, electric, and oil furnaces with factory-tested parts and same-day emergency availability.
Learn MoreNew furnace installs done right. We help you choose between 80% and 97% AFUE models, variable-speed blowers, and smart thermostat integrations.
Learn MorePreventive tune-ups extend equipment life, lower utility bills, and prevent costly breakdowns. Join our maintenance plan for priority scheduling.
Learn MoreHeat pump repair, installation, and maintenance. Modern heat pumps deliver efficient heating and cooling in one system — ideal for Chicago climates.
Learn MoreWhole-house air filtration, humidification, dehumidification, UV purification, and ERV/HRV systems. Breathe cleaner air starting today.
Learn MoreHVAC emergencies don't follow business hours. Our 24/7 rapid-response team is on standby for heating failures, AC outages, refrigerant leaks, and more.
Call NowWe built our reputation on doing things the right way — transparent pricing, expert technique, and respect for your home and time.
Our technicians hold North American Technician Excellence certifications — the highest standard in the HVAC industry.
You get a firm price before any work begins. No surprise fees, no hourly billing confusion — just honest quotes.
We dispatch fast. Most calls receive same-day service, and emergencies get a 60-minute response guarantee.
Illinois licensed, bonded, and insured. Your property and family are protected on every visit.
Over 387 verified 5-star reviews from real Chicagoland homeowners and businesses trust our work.
We recommend and install ENERGY STAR systems that cut utility costs while reducing environmental impact.
Carrier, Trane, Lennox, Rheem, Goodman, Bryant — we stock parts and service all major HVAC brands.
We stand behind our work. If you're not satisfied, we make it right — no questions asked.
Getting your HVAC system fixed or replaced with us is straightforward and stress-free.
Call (773) 231-8486 or book online — we'll confirm your appointment within minutes.
A NATE-certified tech arrives on time, inspects your system, and presents a detailed written diagnosis.
You receive a firm, itemized price. No work begins until you approve — zero pressure.
Our tech completes the work to manufacturer specs using OEM-quality parts, then tests thoroughly.
"Our furnace died at 11 PM on the coldest night in January. Chicago Service HVAC had a tech at our door within 45 minutes and the heat was back on by midnight. Absolutely incredible service."
"Matthew and his team installed a new Carrier AC system in our home. They were professional, clean, and the pricing was completely transparent. It's been running perfectly all summer."
"I've used three different HVAC companies before. Chicago Service HVAC is the only one I trust. Honest diagnostics, fair prices, and technicians who actually explain what's going on."
Based in Evergreen Park, we serve the greater Chicago metro area — south, west, and city neighborhoods.
Same-day service available. Call now and speak directly with a NATE-certified technician — not a call center.