
From routine HVAC repairs to full system installations, we handle your heating and cooling needs with precision and care.

Our commitment to quality workmanship, transparent communication, and dependable long-term performance ensures lasting peace of mind.

Schedule service at times that fit your busy routine, with flexible appointment windows and prompt, efficient HVAC service.
We provide comprehensive HVAC services designed to support residential and commercial properties throughout the year. Whether you need dependable troubleshooting and repairs or complete heating and cooling system installations, our team delivers safe, detail-oriented workmanship you can rely on. Our goal is to keep your indoor environment comfortable and efficient so you can operate without disruption or added stress.
Air Conditioning Repair
Air Conditioning Installation
Furnace Repair
Furnace Installation
Heat Pump Services
Boiler Repair & Replacement
HVAC System Replacement
Preventive Maintenance Plans
Indoor Air Quality Solutions
Thermostat Installation & Upgrades
Ductwork Repair & Installation
Commercial HVAC Services
YEARS IN BUSINESS
SATISFIED CLIENTS
SERVICE CALLS
CUSTOMER APPROVAL


Absolutely fantastic experience with Cozy. Our AC stopped working during a hot stretch, and their team responded quickly and got everything running again faster than expected. The technician was friendly, professional, and explained the issue in a way that was easy to understand.


I don’t leave reviews often, but Cozy really impressed me. From scheduling to the actual service visit, everything was smooth and professional. No upselling, no pressure — just honest HVAC service and quality work.


Professional, responsive, and incredibly reliable. The team at Cozy kept us informed throughout the entire repair process and made what could have been a stressful situation feel completely manageable. Highly recommend them for heating and cooling services.


Couldn’t be happier with the experience. Everyone at Cozy was courteous, knowledgeable, and clearly experienced in HVAC work. Our system is running better than it has in a long time, and the house feels comfortable again.
Established in 2010 by Daniel Kim, Cozy Heating & Air was built to provide dependable heating and cooling services backed by experience, professionalism, and attention to detail. After years working in both residential and commercial HVAC environments, Daniel recognized the importance of combining skilled installation and repair work with honest communication and responsive customer service.
Today, Cozy Heating & Air proudly serves homeowners and businesses throughout the Peoria area, helping clients maintain HVAC systems that are efficient, reliable, and professionally installed. From seasonal maintenance and system repairs to full replacements and indoor comfort solutions, our team is committed to delivering dependable service grounded in integrity, quality workmanship, and long-term customer trust.






We provide dependable heating and cooling solutions designed to improve comfort, efficiency, and year-round system performance for homes and businesses alike.


Routine HVAC maintenance services designed to improve system efficiency, extend equipment lifespan, and help reduce the risk of unexpected breakdowns.


Fast-response HVAC repair services for urgent heating and cooling problems, helping restore comfort and system performance when issues arise unexpectedly.


Professional ductwork services focused on improving airflow, energy efficiency, and overall indoor comfort throughout residential and commercial properties.
We proudly provide HVAC services to homeowners and businesses throughout Peoria, Illinois, as well as the surrounding communities of East Peoria, West Peoria, Pekin, Washington, Morton, Dunlap, Bartonville, Creve Coeur, Chillicothe, and Metamora. We serve residential and light commercial properties across Peoria County, neighboring Tazewell County and Woodford County, and throughout the greater Central Illinois region.
Whether you need furnace repair during cold Midwest winters, air conditioning service in the humid summer months, or a full HVAC system replacement, we deliver efficient, professionally installed heating and cooling solutions tailored to the needs of the Peoria area. Our goal is to support the local community with dependable service, clear communication, and consistent workmanship you can trust.
Answers to common questions about our electrical services.
Most HVAC systems benefit from professional maintenance at least once or twice a year, typically before the heating and cooling seasons begin. Regular service can help improve efficiency and reduce unexpected issues.
Frequent repairs, rising energy bills, uneven temperatures, or an aging system may indicate it’s time to consider replacement. An inspection can help determine whether repair or replacement makes the most sense.
Poor cooling performance can be caused by several issues, including dirty filters, low refrigerant levels, airflow restrictions, or thermostat problems. A system evaluation can help identify the underlying cause.
A furnace may blow cold air for reasons ranging from thermostat settings to airflow issues or system malfunctions. Professional troubleshooting can help determine what’s affecting performance.
The lifespan of an HVAC system depends on factors like maintenance, usage, and equipment quality. Many systems last well over a decade when properly maintained and serviced regularly.

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