The Best HVAC in Collinsville, IL

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

#1

Collinsville Climate Control

4.8
(142 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency system installations, complex ductwork design, and 24/7 emergency repairs. Known for expertise in handling both the intense summer heat and humid conditions as well as the harsh winter cold specific to the Collinsville region. They are a Bryant Factory Authorized Dealer.

4501 Mall Crossing Dr, Collinsville, IL 62234

Specialties & Features

24/7 Emergency Service
Geothermal System Installation
Ductwork Design & Sealing
High-Efficiency Furnaces & ACs

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Gateway City Heating & Cooling

4.6
(118 reviews)
Verified

A trusted local provider with deep roots in the community, offering comprehensive HVAC services from routine maintenance plans to full system replacements. They excel in solving comfort issues in older homes common in Collinsville neighborhoods and are recognized for their honest diagnostics and focus on energy-efficient solutions.

1200 Belt Line Rd, Collinsville, IL 62234

Specialties & Features

Preventive Maintenance Plans
Boiler & Radiant Heat Systems
Energy Efficiency Audits
Senior & Military Discounts

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Metro-East HVAC Pros

4.5
(96 reviews)
Verified

Specializes in fast, reliable repair and emergency service for all major brands of heating and air conditioning equipment. They are particularly adept at handling the high demand during seasonal peaks—sweltering summer AC breakdowns and sudden winter furnace failures. Their technicians are NATE-certified and EPA-approved.

801 Vandalia St, Collinsville, IL 62234

Specialties & Features

Same-Day Repair Service
After-Hours Emergency Calls
Smart Thermostat Installation
HVAC System Financing

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Collinsville

The HVAC market in Collinsville, IL, is driven by a humid continental climate characterized by hot, humid summers (with frequent highs in the 90s) and cold winters (with average lows in the 20s). This creates a high year-round demand for both reliable air conditioning and robust heating systems, particularly furnaces. The presence of many older homes leads to significant demand for system upgrades, ductwork modernization, and energy efficiency retrofits. The market is competitive with numerous local providers, emphasizing the importance of 24/7 emergency service capabilities and expertise with a wide range of equipment to handle the distinct seasonal transitions.

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 Collinsville regulations and climate

Frequently Asked Questions About HVAC in Collinsville

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

1What is the typical cost range for replacing a central air conditioner or furnace in Collinsville?

For a standard efficiency, properly sized system, full replacement costs in Collinsville typically range from $5,000 to $12,000, depending on the unit's capacity and efficiency (SEER/AFUE ratings). Our local climate, with hot, humid summers and cold winters, makes proper sizing critical, and prices are influenced by regional labor rates and supply chain factors. Always get a detailed, written estimate that includes removal of the old unit, new refrigerant lines if needed, and all labor and materials.

2When is the best time of year to schedule HVAC maintenance or replacement in Collinsville to avoid delays?

The ideal times are during the mild shoulder seasons—early spring (March-April) before AC demand spikes and early fall (September-October) before heating season begins. Scheduling during these periods ensures greater technician availability and often leads to faster installation. Avoid the peak of summer or a sudden winter cold snap, as local HVAC companies are inundated with emergency repair calls, causing significant scheduling backups.

3Are there any local Collinsville or Illinois-specific regulations or rebates I should know about for HVAC work?

Illinois does not have a statewide HVAC licensing board, but reputable Collinsville contractors must be licensed, bonded, and insured according to local city ordinances. For rebates, always check with Ameren Illinois, which frequently offers incentives for upgrading to high-efficiency heat pumps or furnaces. Furthermore, proper disposal of old refrigerants (like R-22) is federally mandated, and a qualified local technician will handle this in compliance with EPA regulations.

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

Look for a well-established local company with strong community reviews and verifiable references from Collinsville or nearby neighborhoods like Maryville or Glen Carbon. Ensure they perform a Manual J load calculation specific to our region's temperature extremes to correctly size your system, and avoid those who give quotes over the phone without a home inspection. Always verify they hold current liability insurance and worker's compensation for protection.

5My furnace is making a strange noise; is this an urgent concern given our Illinois winters? **Question:** My furnace is making a strange noise; is this an urgent concern given our Illinois winters?

Yes, you should address it promptly. Unusual noises like banging, screeching, or rumbling can indicate issues like a cracked heat exchanger (a serious safety risk for carbon monoxide), a failing blower motor, or a dirty burner. With Collinsville's winter temperatures regularly dropping below freezing, a furnace failure can be both dangerous and costly. Contact a local professional for an immediate inspection to ensure safe, reliable operation through the season.