The Best HVAC in Carterville, IL

Compare the highest-rated hvac professionals in Carterville, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Carterville Climate Control

4.8
(142 reviews)
Verified

Family-owned HVAC specialist serving Carterville and Southern Illinois for over 25 years. Offers comprehensive heating and cooling services including high-efficiency system installation, 24/7 emergency repairs, and customized maintenance plans. Known for expertise in both traditional and modern HVAC systems.

101 S Division Street, Carterville, IL 62918

Specialties & Features

24/7 Emergency Service
Energy Efficient Systems
Ductwork Design & Installation
Smart Thermostat Integration
Whole-Home Humidity Control

Business Information

Years in Business:26 years
Licensed:Yes
Insured:Yes
#2

Southern Illinois Heating & Cooling

4.6
(118 reviews)
Verified

Full-service HVAC contractor specializing in both residential and light commercial systems. Strong reputation for honest diagnostics, quality installations, and responsive repair service. Carries premium brands like Trane and Lennox with focus on energy-efficient solutions for Carterville's humid summers and cold winters.

215 W Plaza Drive, Carterville, IL 62918

Specialties & Features

High-Efficiency Furnace Installation
Geothermal System Expertise
HVAC System Zoning
Indoor Air Quality Solutions
Commercial HVAC Services

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Reliable Air Solutions

4.5
(96 reviews)
Verified

Local HVAC company known for prompt service and thorough maintenance programs. Specializes in residential system replacements, duct cleaning, and emergency repairs. Offers free estimates and financing options for new system installations with focus on improving home comfort and efficiency.

404 N Greenbriar Road, Carterville, IL 62918

Specialties & Features

AC Maintenance Plans
Furnace Repair Specialists
Duct Cleaning & Sealing
Budget-Friendly System Replacements
Senior Discount Programs

Business Information

Years in Business:14 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Carterville

Carterville's HVAC market serves a community of approximately 5,700 residents with significant seasonal demands due to the humid continental climate. Summers are hot and humid (average highs 89°F) requiring robust AC systems, while winters are cold (average lows 23°F) creating heavy demand for furnace services. The local market is competitive with approximately 25 providers, but only a handful offer full-service capabilities. Quality contractors typically maintain 4.4-4.8 star ratings with emphasis on emergency services during extreme temperature periods. Energy efficiency is increasingly important due to both summer cooling costs and environmental considerations.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Carterville regulations and climate

Frequently Asked Questions About HVAC in Carterville

Get answers to common questions about hvac services in Carterville, Illinois.

1What is the typical cost range for replacing a central air conditioner in a Carterville home?

For a standard, efficient central AC unit replacement in Carterville, homeowners can expect to pay between $4,500 and $8,500, including professional installation. The final cost depends on your home's size, the unit's SEER (Seasonal Energy Efficiency Ratio) rating, and the complexity of the installation. Given our Southern Illinois summers with high heat and humidity, investing in a higher SEER unit (16+) can offer significant long-term energy savings on cooling bills.

2When is the best time to schedule HVAC maintenance in Carterville, IL?

The optimal times are during the mild shoulder seasons—early spring (March-April) before the intense summer heat and early fall (September-October) before winter sets in. Scheduling during these periods ensures your system is ready for Carterville's temperature extremes, from humid 90°F+ summers to winters that can dip below 20°F. You'll also have better availability and may avoid emergency service premiums during peak season breakdowns.

3Are there any local Carterville or Illinois regulations or rebates I should know about for HVAC upgrades?

While Carterville follows standard Illinois building codes, a key local consideration is ensuring your contractor pulls the required city permit for major installations. For rebates, always check with utility providers like Ameren Illinois, which frequently offers incentives for upgrading to high-efficiency heat pumps, air conditioners, or furnaces. Additionally, federal tax credits for qualified energy-efficient HVAC equipment are available, which can provide substantial savings.

4How do I choose a reliable HVAC contractor in the Carterville area?

Look for a licensed, insured, and locally established contractor with strong reviews from Carterville or nearby Williamson County residents. A reputable provider will perform a detailed Manual J load calculation specific to your home's construction and our local climate, not just recommend the same size unit you already have. Always get written, itemized estimates and confirm they handle necessary city permits.

5My furnace is old but working. Should I wait for it to fail before replacing it, especially with Carterville winters?

Proactive replacement is highly advised. Waiting for a failure in the dead of a Carterville winter risks being without heat during freezing temperatures and often results in paying premium rates for emergency service and rushed installation. Planning a replacement allows you to research, secure financing if needed, and schedule the work conveniently, often securing better pricing and ensuring optimal system performance before the coldest weather arrives.