Top HVAC Services in Chicago, IL

The climate in Chicago requires specific HVAC considerations. Local professionals understand the unique heating and cooling demands of the area and can recommend systems optimized for local weather patterns, humidity levels, and seasonal temperature variations.

HVAC service costs in Chicago, IL vary based on the specific service needed, system type, and contractor rates. Local providers listed on HotSide offer competitive pricing and free estimates. Contact multiple providers to compare quotes for your specific project.

Yes, several HVAC contractors in Chicago offer 24/7 emergency services for heating and cooling emergencies. Check individual provider profiles on HotSide for emergency service availability and response times. We recommend saving emergency contact numbers before you need them.

HVAC contractors in IL must hold appropriate state and local licenses. They should also carry liability insurance and worker's compensation. All providers listed on HotSide are verified for proper licensing and insurance. Always verify current license status before hiring any contractor.

For most furnaces: 1) Turn the gas valve to "Off" and wait 5 minutes. 2) Turn it to "Pilot." 3) Press and hold the reset button while bringing a lit match or lighter to the pilot opening. 4) Once lit, continue holding for 30-60 seconds. 5) Release and turn the valve to "On." If it won't stay lit, the thermocouple may need replacement—call a professional.

Furnace replacement costs range from $2,500 to $7,500 depending on type, size, and efficiency. Gas furnaces average $3,000-$6,000. Electric furnaces run $1,500-$4,000. Oil furnaces cost $4,000-$8,000. High-efficiency models (90%+ AFUE) cost 20-40% more upfront but save significantly on energy bills over time.

1) Check the thermostat, breakers, and filters first. 2) Close blinds/curtains and use fans. 3) Stay hydrated and avoid strenuous activity. 4) Check on elderly neighbors and pets. 5) Use public cooling centers if needed. 6) Call for emergency AC repair immediately—technicians are busiest during heat waves. 7) Consider temporary portable AC units for critical areas.

Homeowners can: 1) Change air filters every 1-3 months. 2) Keep outdoor units clear of debris, leaves, and vegetation (2-foot clearance). 3) Clean visible dust from vents and registers. 4) Check and reset programmable thermostat schedules seasonally. 5) Ensure furniture doesn't block vents. 6) Listen for unusual noises. Leave electrical, refrigerant, and gas work to licensed professionals.