Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Southern Illinois
Collard Heating & Air Conditioning has been serving Southern Illinois communities since 1952, delivering trusted HVAC solutions for residential and commercial properties. Our certified technicians combine decades of hands-on experience with factory-trained expertise to service all major heating, cooling, and air quality systems. We specialize in installations, maintenance, and emergency repairs for furnaces, heat pumps, air conditioners, and ductless systems across Williamson, Franklin, and Jackson counties.Our commitment to transparent pricing, advanced diagnostic tools, and 24/7 emergency service ensures reliable comfort year-round. As an authorized Lennox dealer, we offer cutting-edge equipment with energy-efficient performance tailored to Southern Illinois' extreme weather conditions. Our team prioritizes customer satisfaction through precise repairs, proactive maintenance, and personalized solutions that extend equipment lifespan while reducing energy costs.
Services
HVAC Installation
HVAC Maintenance
HVAC Repair
Ductless Heat Pumps
AC Installation
Furnace Services
Boiler Services
Heat Pump Service
Indoor Air Quality
Smart Thermostats
Details
- Year established: 1952
Highlights and features
- We offer 70+ years of local HVAC expertise since 1952
- Our certified technicians handle all major HVAC brands
- We provide 24/7 emergency service for urgent needs
- Our team uses advanced diagnostic tools for precise repairs
- We guarantee transparent pricing with no hidden fees
Associations and certifications
- Lennox
What people say
Quick turn around
Great service
Maintenance plan
Fast response
Highly recommend
Services
HVAC Installation
Professional HVAC installation services for residential and commercial properties using industry-leading equipment. Our certified technicians ensure proper sizing, efficient operation, and manufacturer warranty compliance. We specialize in high-efficiency gas furnaces, electric heat pumps, and ductless systems designed for Southern Illinois' variable climate. Every installation includes system performance testing, thermostat calibration, and customer education on equipment operation and maintenance requirements.
HVAC Maintenance
Comprehensive bi-annual maintenance plans that optimize system performance and prevent unexpected breakdowns. Our technicians perform 28-point inspections covering electrical components, refrigerant levels, airflow optimization, and safety checks. Regular maintenance improves energy efficiency by up to 15%, extends equipment lifespan, and maintains manufacturer warranty validity. We recommend spring tune-ups before summer heatwaves and fall maintenance before heating season begins.
HVAC Repair
24/7 emergency repair services for all heating and cooling system failures. Our rapid response team handles urgent issues like complete system shutdowns, refrigerant leaks, and electrical malfunctions. Using advanced diagnostic tools, we identify root causes and provide transparent repair estimates before starting work. Emergency service includes priority scheduling during extreme weather events and after-hours support for critical comfort and safety situations.
Indoor Air Quality
Whole-home indoor air quality solutions combining advanced filtration, humidity control, and UV sterilization technologies. Our systems remove 99.9% of airborne contaminants including pollen, dust, and biological pollutants. We offer media air cleaners, electronic air purifiers, and UV light systems that integrate with existing HVAC equipment to improve respiratory health and protect building structures from moisture damage in humid climates.
Smart Thermostats
Smart thermostat installation and programming services for energy optimization and remote temperature control. We offer Wi-Fi-enabled models with learning algorithms, geofencing capabilities, and smartphone integration. Our technicians ensure proper system compatibility, wiring configuration, and C-wire installation when needed. Smart thermostats reduce energy consumption by 10-20% through automated scheduling and weather-adaptive operation while maintaining optimal comfort levels.
Questions
How often should I schedule HVAC maintenance?
Bi-annual maintenance (spring and fall) prevents 95% of breakdowns, improves efficiency by 15%, and extends system lifespan by 3-5 years in Southern Illinois' extreme climate.
What are common HVAC repair warning signs?
Unusual noises, weak airflow, rising energy bills, uneven temperatures, and frequent cycling indicate urgent HVAC issues requiring professional attention within 24-48 hours.
How much do HVAC repairs cost in Williamson County?
Minor repairs range $150-$500, major repairs $500-$2,200. Emergency service adds $100-$200. Diagnostic fees ($75-$125) apply but get credited toward repairs.
When should I replace my HVAC system?
Replace when repair costs exceed 50% of new system value, units exceed 10-15 years old, or multiple annual repairs occur. The '5,000 rule' helps determine cost-effectiveness.
Do you offer emergency HVAC service?
Yes, 24/7 emergency service available for critical issues like complete system failure, gas leaks, or electrical hazards with 1-3 hour response times during extreme weather.
What HVAC financing options are available?
We offer financing programs with approved credit for system replacements, including rebates and membership club savings to reduce upfront costs for qualifying customers.
