Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Johnston City, IL
Coulson's Heating & Cooling has been a family-owned and operated business since 1961, serving Johnston City and surrounding areas with trusted HVAC solutions. Our four generations of experience have allowed us to adapt to evolving technologies while maintaining a commitment to simplicity and customer satisfaction. We specialize in heating, ventilation, air conditioning, and indoor air quality systems, prioritizing transparent communication and reliable service.Our team focuses on delivering energy-efficient solutions with long warranties, ensuring both residential and commercial clients receive tailored comfort systems. With decades of local expertise, we combine technical proficiency with personalized care, maintaining a reputation built on integrity and workmanship excellence.
Services
AC Repair
Furnace Installation
Heat Pump Services
Ductless Mini-Splits
Indoor Air Quality
Boiler Maintenance
Emergency HVAC Service
Energy Efficiency Upgrades
Ductwork Repair
HVAC Maintenance Plans
Details
- Year established: 1961
Highlights and features
- We offer 61 years of family-owned HVAC expertise in Southern Illinois
- Our certified technicians provide 24/7 emergency service availability
- We maintain factory-certified installation standards for all major brands
- Our energy-efficient solutions reduce utility bills by up to 40%
- We offer same-day service appointments with transparent pricing
What people say
Friendly, Knowledgeable, Organized
Extremely Satisfied
Wouldn't call anyone else
Professional and on time
Energy-efficient solutions
Services
AC Repair
Our certified technicians provide prompt air conditioning repair services for residential and commercial properties. We diagnose and fix cooling system issues including refrigerant leaks, compressor failures, and thermostat malfunctions. Our team uses specialized tools and manufacturer-approved parts to restore optimal cooling performance while maintaining energy efficiency standards.
Heat Pump Installation
We offer professional heat pump installation services for both residential and commercial clients. Our NATE-certified technicians handle all system types including variable-speed, zoned, and two-speed compressor models. We ensure proper sizing and installation according to manufacturer specifications, maximizing energy efficiency while providing year-round temperature control solutions.
Ductless Mini-Splits
Our ductless mini-split services include system design, installation, and maintenance for residential and light commercial applications. We offer zoned temperature control solutions that eliminate ductwork requirements while improving energy efficiency. Our technicians specialize in multi-zone configurations and provide complete system diagnostics and repair services for existing installations.
Furnace Maintenance
We provide comprehensive furnace maintenance plans that include seasonal inspections, component lubrication, and efficiency testing. Our technicians clean burners, check heat exchangers, and verify proper gas pressure to ensure safe and efficient operation. Regular maintenance extends equipment lifespan while maintaining manufacturer warranty protections.
Indoor Air Quality
Our indoor air quality services include air purification system installation, humidity control solutions, and ventilation system maintenance. We offer HEPA filtration systems, UV light purifiers, and energy recovery ventilators to improve residential and commercial air quality. Our technicians perform comprehensive air quality assessments and recommend customized solutions for specific environmental needs.
Questions
What HVAC services do you offer in Johnston City?
We provide full-service HVAC solutions including AC repair, furnace installation, heat pump services, ductless mini-splits, indoor air quality improvements, and emergency HVAC repairs.
Do you offer 24/7 emergency HVAC service?
Yes, we provide 24/7 emergency service for heating and cooling system failures with same-day appointment availability for urgent repair needs.
Are financing options available for HVAC replacements?
We offer flexible financing options for new HVAC system installations with approved credit through our partnered financial institutions.
What areas do you service?
We serve Johnston City, Marion, West Frankfort, Benton, Carterville, Herrin, and surrounding areas in Southern Illinois.
Do you provide maintenance plans for HVAC systems?
Yes, we offer comprehensive maintenance agreements with seasonal system inspections, priority service scheduling, and discounted repair rates for enrolled customers.
Are your technicians certified?
All our HVAC technicians hold current industry certifications including EPA Section 608, NATE, and manufacturer-specific training for major equipment brands.
