Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Oak Lawn, IL
Founded in 1948, Chicagoland Heating & Air Conditioning has served Chicagoland for over 75 years with expert HVAC and plumbing solutions. Our NATE-certified technicians deliver 24/7 emergency service, backed by Carrier factory certifications and a 100% satisfaction guarantee. With a BBB A+ rating and Carrier Presidents Award recognition, we combine decades of experience with cutting-edge technology to provide reliable heating, cooling, and plumbing services. Our family-owned business operates a 14-vehicle fleet and maintains deep community roots through personalized service. We prioritize customer education, offering detailed system diagnostics and energy-efficient solutions tailored to individual needs.Our commitment to excellence is demonstrated through 500,000+ satisfied customers and continuous investment in technician training. We maintain full licensing and insurance while offering flexible financing options for system replacements. Our service heritage includes being Chicagoland's second-oldest Carrier dealer since 1962. We guarantee transparent pricing with no hidden fees across all our service offerings. Our 40-point HVAC tune-up protocol exemplifies our dedication to preventive maintenance excellence.
Services
Furnace Repair
AC Installation
Plumbing Services
Boiler Maintenance
Air Quality Solutions
Emergency HVAC Service
System Replacement
Preventive Maintenance
Water Heater Repair
Duct Cleaning
Details
- Year established: 1948
Highlights and features
- Family-owned since 1948 with 75+ years of combined HVAC experience
- Carrier factory-authorized dealer with Presidents Award recognition
- 24/7 emergency service with same-day appointment availability
- BBB A+ rated with 500,000+ satisfied customers served
- NATE-certified technicians with ongoing factory training programs
Associations and certifications
- NATE (North American Technician Excellence)
What people say
Friendly and knowledgeable
100% Satisfaction Guaranteed
Prompt service
Expert technicians
Reliable service
Services
Furnace Repair
Our NATE-certified technicians provide expert furnace repair services for all makes and models. We diagnose and fix heating system issues promptly, ensuring winter comfort. Emergency service available 24/7 with transparent pricing and parts warranty.
AC Installation
We install Carrier AC units with free in-home estimates. Our technicians ensure proper sizing and efficient installation. Financing options available with energy-saving rebates. Includes system startup and performance verification.
Plumbing Services
Full-service plumbing solutions including water heaters, sump pumps, and drain cleaning. Our licensed plumbers handle repairs and installations. Emergency service available with upfront pricing and satisfaction guarantee.
Preventive Maintenance
40-point HVAC tune-ups improve efficiency and prevent breakdowns. Includes safety checks and performance optimization. Seasonal maintenance packages available with discounts for regular service customers.
Air Quality Solutions
We offer air purification systems and filtration solutions to improve indoor air quality. Products include MERV 15 filters and air scrubbers with virus inactivation technology. Professional installation and maintenance services available.
People
Robert C. Landwehr
Founder
Established the company in 1948 and served as owner until 1985. Pioneered Carrier dealership partnership in 1962. Laid foundation for family business legacy.
Robert J. Landwehr
President
Current owner since 1985. Iowa State University graduate with 50+ years industry experience. Expanded operations to current 14-vehicle fleet and facility.
Questions
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency service for heating and cooling system failures with same-day repair availability.
Are your technicians certified?
All technicians are NATE-certified with ongoing Carrier factory training programs ensuring industry-leading expertise.
What areas do you service?
We serve all Chicagoland areas including Oak Lawn, South Chicago, and surrounding communities within 30 miles of our location.
Do you offer financing options?
Yes, we provide flexible financing plans for new system installations with approved credit through Carrier financing partners.
What HVAC brands do you service?
We service all major HVAC brands but specialize in Carrier products as a factory-authorized dealer since 1962.
Do you provide free estimates?
Yes, we offer free in-home estimates for all new system installations with no-obligation consultations available.
