HVAC Services
Jennings, MO
Free Estimates Within 48 Hours
Type 1 & 2 EPA Certified
Saturday & Sunday Emergency Services Only
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Comfort and Efficiency for Your Home and Business
City Wide Heating and Cooling is your trusted partner for all things HVAC in Saint Louis, MO, and the surrounding areas. With over four decades of combined experience, we're the team you can rely on for prompt, professional service that keeps your indoor environment just right, all year round.
Founded in 2023, we're a family-owned business that brings a fresh approach to heating and cooling services. We understand that when your HVAC system acts up, you need help fast. That's why we offer quick response times and 24-hour emergency services for our commercial customers.
Our team of Type 1 and 2 EPA-certified technicians is ready to tackle any challenge, big or small. And the best part? We'll provide you with a free estimate within 48 hours. Don't let HVAC issues disrupt your comfort or your business operations. Contact us today and experience the City Wide Heating and Cooling difference!

Why Choose Us
24-Hour Commercial Emergency Services
Manufacturer Warranties Available
Free Estimates Within 48 Hours
Over 40 Years of Combined Experience
EPA-Certified Technicians Type I and II
Saturday and Sunday Emergency Services Only

AC Services

Emergency Heating and Air Repair
HVAC emergencies don't wait for business hours, and neither do we. Our 24-hour emergency services for commercial and residential customers mean you're never left in the lurch. Whether it's a freezing winter night or a sweltering summer day, we're just a call away.

Gas Line Repair

Heating Services

High-Efficiency HVAC

HVAC Testing

Refrigeration Services

Seasonal Maintenance

Specialty HVAC Services

Boilers AND Radiators
At City Wide Heating and Cooling, we know that effective heating starts with quality boilers and radiators. Our expert team is here to ensure your home stays warm and comfortable all winter long, providing reliable installations, maintenance, and repairs. Trust us to keep your warmth on point!

Ventilation Services

Water Heating Services
Here's what our satisfied customers are saying...
At City Wide Heating and Cooling, we take pride in providing exceptional HVAC services for homeowners and business owners. We would be grateful if you could share your thoughts about our local, family-owned business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of City Wide Heating and Cooling and let others know what you think.
Frequently Asked Questions About City Wide Heating and Cooling
What services do we provide at City Wide Heating and Cooling?
At City Wide Heating and Cooling, we provide a complete range of heating and cooling solutions designed to support comfort throughout every season. Our services include system installations, repairs, preventative maintenance, and efficiency upgrades for both residential and light commercial properties. We understand how important it is to maintain a dependable indoor environment, especially during temperature extremes, so we approach each project with careful planning and attention to performance. Many property owners evaluating HVAC services in Jennings, MO want a provider capable of addressing multiple needs in one place, and we structure our offerings to deliver practical, long-term solutions.
Do we install new heating and cooling systems?
Yes, we install modern heating and cooling systems that are selected based on the size of the property, insulation levels, and overall airflow requirements. Proper installation is essential for achieving consistent temperatures and reducing unnecessary strain on the equipment. We walk clients through available options so they can make informed decisions about efficiency ratings and system capacity. Homeowners comparing HVAC services in Jennings, MO often prioritize equipment that balances comfort with manageable operating costs, and we focus on installations that support both goals.
Can we repair existing HVAC equipment?
When a system stops working as expected, timely repairs can help restore comfort quickly while preventing additional wear. We diagnose issues such as uneven airflow, unusual noises, thermostat malfunctions, and reduced cooling or heating output. After identifying the cause, we recommend solutions that align with the condition of the equipment. Many people reach out for HVAC services in Jennings, MO when their system begins showing signs of trouble, and our objective is to resolve the issue efficiently so normal operation can resume.
Why is routine maintenance important?
Routine maintenance plays a major role in helping HVAC systems operate more efficiently and reliably. During a maintenance visit, we inspect components, clean essential parts, check refrigerant levels when applicable, and verify that the system is running as intended. Addressing minor concerns early can reduce the likelihood of larger disruptions later. Property owners scheduling HVAC services in Jennings, MO often view maintenance as a proactive step that supports steady performance while helping equipment last longer.
Do we help improve energy efficiency in our HVAC services in Jennings, MO?
Improving energy efficiency can make a noticeable difference in monthly utility expenses while supporting more consistent indoor temperatures. We evaluate existing systems and recommend adjustments such as programmable thermostats, updated components, or higher-efficiency units when appropriate. Even small improvements can contribute to better airflow and reduced energy waste. Clients interested in HVAC services in Jennings, MO frequently ask about ways to optimize performance, and we focus on practical upgrades that enhance overall system effectiveness. We're here to help with your next project!



