Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Johnston City
Coulson's Heating & Cooling has been a family-owned and operated business since 1961, serving customers across four generations. We have continuously adapted to advancements in heating, ventilation, indoor air quality, and air conditioning systems while maintaining simplicity for our clients. Our customers value our transparent sales process, expert installation workmanship, and reliable repair services performed by trustworthy technicians.We specialize in providing comprehensive home and business solutions that enhance indoor comfort, improve air quality, and reduce energy costs through durable systems with extended warranties. Our commitment to customer satisfaction has been the foundation of our 61-year legacy in the HVAC industry.
Services
AC Service/Repair
Furnace Installation
Heat Pump Services
Ductwork Repair
Boiler Maintenance
Indoor Air Quality
Emergency HVAC Service
Energy Efficiency Solutions
Mini-Split Systems
HVAC Maintenance Plans
Details
- Year established: 1961
Highlights and features
- We offer 61 years of family-owned HVAC expertise serving Southern Illinois
- Our team provides emergency repair services when you need them most
- We specialize in energy-efficient heating and cooling system installations
- Our technicians receive ongoing training for the latest HVAC technologies
- We maintain transparent pricing with no hidden fees
What people say
Saved the day
Friendly, Knowledgeable Staff
Very Efficient
Extremely Satisfied
Wouldn't call anyone else
Services
Heat Pump Services
Our heat pump services provide year-round comfort through efficient heating and cooling solutions. These systems offer 80-85% efficiency compared to separate HVAC units while reducing monthly energy costs. We offer complete installation, repair, and maintenance for variable speed, zoned, and two-speed compressor systems. Our technicians specialize in optimizing performance for residential and commercial properties across Southern Illinois.
Mini-Split Installation
Mini-split and ductless systems deliver targeted temperature control without requiring extensive ductwork. Our installation services include system design, unit placement, and refrigerant line setup for maximum efficiency. We serve homes and businesses in Benton, Carterville, and surrounding areas needing flexible comfort solutions. Our team ensures proper sizing and placement for optimal performance and energy savings.
Furnace Repair
Emergency and routine furnace repair services maintain system reliability during cold weather. Our technicians diagnose and fix issues with gas, electric, and oil-based heating systems. We service all major brands while emphasizing safety and efficiency. Customers appreciate our prompt response times and thorough repair process that restores comfort quickly.
Indoor Air Quality
Our indoor air quality solutions address allergens, pollutants, and humidity control for healthier living environments. Services include air purifier installation, ventilation system upgrades, and humidity management. We help customers with respiratory concerns create cleaner breathing spaces while improving HVAC system efficiency through better air filtration.
HVAC Maintenance
Preventive maintenance plans extend equipment lifespan and maintain peak efficiency. Our annual agreements include comprehensive inspections, component lubrication, and system adjustments. Regular maintenance reduces breakdown risks while preserving manufacturer warranties. Customers benefit from priority service scheduling and discounted repair rates as part of our maintenance programs.
Questions
What HVAC services do you offer in Johnston City?
We provide complete HVAC services including AC repair, furnace installation, heat pump systems, ductwork repair, boiler maintenance, and indoor air quality solutions across Southern Illinois.
Do you offer emergency HVAC repair services?
Yes, we provide emergency HVAC repair services with prompt response times for urgent heating and cooling issues requiring immediate attention.
Are financing options available for HVAC installations?
Yes, we offer financing options to help customers afford necessary HVAC upgrades and system replacements with flexible payment terms.
What areas do you service?
We serve Johnston City, Marion, West Frankfort, Benton, Carterville, Herrin, and surrounding communities in Southern Illinois.
How can I schedule HVAC service?
You can schedule service through our website, by calling 618-983-8133, or using our online contact form for service requests and estimates.
What makes your HVAC company different?
As a family-owned business since 1961, we combine generational expertise with modern technology to deliver personalized service and long-term solutions.