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We Now Offer Financing Options!

No repair is too small, and no project is too large.

Professional AC Services

Chattanooga, TN Area

Emergency Service Available

Military & Senior Discounts

24/7 Fast Response

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Comprehensive AC Services for Your Comfort

Mountain City Service is your trusted partner for all things AC in Chattanooga, TN. With over four decades of combined experience, our NATE-certified technicians are equipped to handle any air conditioning challenge. We understand that a functioning AC system is crucial for your comfort, especially during those sweltering Tennessee summers. That's why we offer a wide range of services to keep your cooling system running efficiently year-round. From installation to maintenance, our team is committed to delivering exceptional results for both residential and commercial properties.

At Mountain City Service, we pride ourselves on our prompt and reliable service. We know that AC issues don't always occur during business hours, which is why we offer 24/7 emergency services with same-day response. We service all brands and offer competitive pricing, including special discounts for military personnel and seniors. Whether you need a routine tune-up or a complete system overhaul, you can trust our backflow testing certified experts to get the job done right. Don't let AC problems disrupt your comfort – contact us today and experience the Mountain City Service difference.

Why Choose Us

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Emergency Service Available

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All Brands Serviced

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24/7 Fast Response

Mountain City Service
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Backflow Testing Certified

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NATE-Certified Technicians

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Military and Senior Discounts

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AC Installation

When it's time for a new AC system, trust Mountain City Service for professional installation. We'll help you select the right unit for your space and budget, ensuring optimal cooling performance and energy efficiency. Our certified technicians perform precise installations, adhering to industry standards and local regulations.
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AC Maintenance

Regular maintenance is key to prolonging the life of your AC system and preventing costly breakdowns. Our maintenance plans include thorough inspections, filter replacements, and component cleaning. We'll keep your AC running smoothly, reducing energy costs and improving indoor air quality.

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AC Repair

When your AC malfunctions, our rapid response team is ready to help. We diagnose and repair issues quickly, minimizing downtime and discomfort. Our technicians are skilled in repairing all brands and models, ensuring your system is restored to optimal performance promptly.
Air conditioner blowing air.

AC Tune-Up

Our AC tune-up service is designed to optimize your system's performance and efficiency. We'll thoroughly inspect, clean, and adjust your AC unit, addressing minor issues before they become major problems. Regular tune-ups can significantly extend the lifespan of your cooling system and improve its overall efficiency.

Mountain City Service
Save $300 on Tankless Upgrade

Mention this offer when scheduling service at Mountain City Service. Call for more details.

Call Mountain City Service today to claim your $300 savings!

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

Mountain City Service
Annual Maintenance for $199

Mention this offer when scheduling service at Mountain City Service. $100 for each additional unit. Price includes spring and fall maintenance.

Schedule your maintenance now - contact us!

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

Our Recent Projects

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Here's what our satisfied customers are saying...

At Mountain City Service, we take pride in providing exceptional plumbing and HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Mountain City Service and let others know what you think.

Recent Blog Posts

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6 Important Features to Look for in Modern HVAC Units

April 2, 2026
As you prepare to secure professional HVAC service, consider these essential elements that define the newest generation of climate control technology.
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6 Signs You Need to Get Your HVAC Serviced

March 18, 2026
Recognize the signs your HVAC needs service. Expert inspections and maintenance ensure comfort, efficiency, healthy air, and reliable system performance.
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Common Problems HVAC Companies Can Help You Fix

March 16, 2026
Experienced HVAC companies diagnose and repair heating, cooling, and airflow issues to keep your system efficient, reliable, and comfortable year-round.
HVAC technician in orange hard hat works on rooftop air conditioning unit, next to blue gas cylinder.

5 Red Flags to Watch Out for in an HVAC Contractor

January 26, 2026
When it comes to your own home's comfort, selecting the right HVAC contractor is crucial. Here are five red flags to look out for!
A person kneeling, working on electrical wiring inside a furnace.

What HVAC Companies Want Customers to Know Before They Sign

January 15, 2026
Discover what HVAC companies want customers to know before they sign any contracts for services, including warranties, availability, and long-term value.
HVAC technician with yellow hard hat gives thumbs up next to air conditioning unit.

When to Schedule an HVAC Install vs. Maintenance

November 11, 2025
Knowing when to schedule an HVAC install versus maintenance can save money, prevent costly breakdowns, and improve system performance.
HVAC technician repairing an air conditioning unit outside. He is using tools and gauges.

How Residential HVAC Companies Can Save You Money

October 1, 2025
Wondering how residential HVAC companies can save you and your family money? Check out this guide and call today to learn more!
HVAC technician in a blue uniform and hard hat, working on outdoor unit, checking gauges and wiring.

Why Should You Leave HVAC Services to the Professionals?

July 15, 2025
When it comes to something as vital as heating and cooling, trusting the expertise of HVAC companies isn’t just a recommendation—it’s essential.
An air conditioning unit on a concrete base next to a tan house with a brick wall.

Why Semi-Annual HVAC Inspections Are Vital

December 10, 2024
Read this article to learn why partnering with your local HVAC company for regular maintenance is a smart investment in your home.

Common Myths About Residential HVAC Services

October 8, 2024
This blog post discusses some of the most common myths surrounding residential HVAC services. Let's take a look at them and why they are incorrect.
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