Chicago HVAC Services

Furnace, AC, and Boiler Experts Serving Chicagoland

ChillTech Heating and Cooling delivers same-day HVAC service across Chicago and the nearby suburbs. From furnace repair and boiler service to AC installation and duct cleaning, we keep homes comfortable through every season.

Same-Day ServiceEPA CertifiedServicing City + Suburbs

Chicago HVAC Services Built for Local Climate

Chicagoland demands HVAC systems that handle lake-effect winters and humid summers. We design, repair, and maintain heating and cooling equipment with Chicago weather in mind—tight ductwork, balanced airflow, proper refrigerant charge, and combustion safety checks on every visit.

What We Service

Furnace Repair & Installation

furnace repair Chicago, furnace installation, forced-air heating

  • Emergency furnace repair for no-heat calls in winter
  • High-efficiency furnace installs sized for Chicago homes
  • Combustion safety checks, inducer and ignitor replacements

Air Conditioning Service

AC repair Chicago, air conditioner installation, cooling service

  • Same-day AC diagnostics for no-cool and airflow issues
  • Central air installs with proper load calculations
  • Refrigerant leak checks, capacitor and blower fixes

Boiler & Radiant Heat

boiler repair Chicago, hydronic heating, radiant heat service

  • Weil-McLain boiler tune-ups and circulation fixes
  • Zoning, venting, and efficiency upgrades for legacy systems
  • System flushes to protect heat exchangers in harsh winters

Water Heaters & Hot Water

water heater replacement Chicago, hot water repair

  • Tank and tankless replacements with proper venting
  • Anode rod, thermocouple, and pilot light service
  • Code-compliant installs for fast, reliable hot water

Ductwork & Air Quality

duct cleaning Chicago, indoor air quality, airflow balancing

  • Duct sealing and redesign to improve airflow and comfort
  • Whole-home air filtration and humidity control
  • Duct cleaning to remove dust, allergens, and debris

Maintenance & Tune-Ups

HVAC maintenance Chicago, seasonal tune-up

  • Spring AC tune-ups and fall furnace inspections
  • Filter programs and coil cleaning for efficiency
  • Safety checks for heat exchangers, gas pressure, and drains

Local HVAC Search Signals We Cover

Most-searched Chicago HVAC needs

  • Furnace repair near me in Chicago
  • AC installation and replacement in Chicago
  • Boiler repair and radiant heat service
  • Water heater replacement with same-day availability
  • Duct cleaning and indoor air quality improvements

Proof points Google looks for

  • Service areas listed by neighborhood and suburb
  • Clear contact info and phone number for fast calls
  • Specific HVAC services spelled out in plain language
  • Trust indicators: EPA certification, 15 years experience
  • Realistic service hours and same-day availability

Where We Work in Chicagoland

We serve the City of Chicago and nearby suburbs with rapid response. If you're inside city limits or within a short drive, we can likely get you same-day HVAC service.

Chicago Neighborhoods

  • Lincoln Park
  • Wicker Park
  • Pilsen
  • Bridgeport
  • Logan Square
  • Lakeview
  • Humboldt Park
  • West Loop
  • Bucktown
  • Ukrainian Village
  • Avondale
  • Albany Park
  • Portage Park

Nearby Suburbs

  • Oak Park
  • Evanston
  • Cicero
  • Berwyn
  • Skokie
  • Forest Park
  • Elmwood Park
  • Brookfield
  • Norridge
  • Harwood Heights

Why Homeowners Choose ChillTech

  • Transparent pricing and clear scopes for every install
  • Load calculations for accurate furnace and AC sizing
  • Combustion safety, gas pressure, and venting checks
  • Respect for your home—drop cloths, clean work areas
  • Warranty-backed installs with responsive follow-up

FAQ: Chicago HVAC Service

Do you offer same-day HVAC service in Chicago?

Yes. We serve Chicago and the nearby suburbs with same-day appointments for no-heat and no-cool calls during business hours.

Which HVAC brands do you service?

We service all major residential brands including Weil-McLain, Rheem, Goodman, American Standard, and more.

Can you help lower my energy bills?

We recommend right-sized equipment, sealed ductwork, clean coils, and updated thermostats to reduce runtime and utility costs.

Do you install or repair boilers?

Yes. We specialize in boiler repair, replacements, circulation pumps, and control upgrades for hydronic systems common in Chicago housing.