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We Now Offer Financing Options!

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

Professional Heating Services

Chattanooga, TN Area

Emergency Service Available

Military & Senior Discounts

24/7 Fast Response

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Reliable Heating Solutions for Your Comfort

Mountain City Service is your trusted partner for comprehensive heating services in Chattanooga, TN. With over four decades of combined experience, our NATE-certified technicians are equipped to handle all your heating needs, from installation to maintenance and repairs. We understand the importance of a warm, comfortable home or business, which is why we offer round-the-clock emergency service to ensure you're never left in the cold. Our commitment to excellence extends beyond our technical skills; we pride ourselves on providing personalized service that caters to both residential and commercial clients.

We believe in making quality heating solutions accessible to everyone. That's why we offer discounts for military personnel and seniors, acknowledging their contributions to our community. Our team is proficient in servicing all brands of heating equipment, ensuring that no matter what system you have, we can keep it running efficiently. We're not just a service provider; we're your neighbors, dedicated to enhancing the comfort of our community. Whether you need a heat pump installed or your furnace repaired, our same-day response guarantee means you won't be left waiting. For prompt, reliable heating services, contact us.

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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Heat Pump Installation

Heat pumps offer an energy-efficient alternative for both heating and cooling. Our skilled technicians specialize in heat pump installation, providing you with a versatile system that works year-round. We carefully assess your space and energy needs to recommend and install the most suitable heat pump model, ensuring optimal performance and energy savings.
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Heater & Furnace Installation

When it's time for a new heater or furnace, trust Mountain City Service for a seamless installation process. We offer a wide range of high-efficiency models and work closely with you to select the perfect system for your home or business. Our installation team ensures proper sizing, ductwork compatibility, and optimal placement for maximum comfort and efficiency.

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Heater & Furnace Maintenance

Regular maintenance is key to prolonging the life of your heating system and preventing unexpected breakdowns. Our comprehensive maintenance programs include thorough inspections, cleaning, and tune-ups to keep your heater or furnace running at peak performance. We offer flexible scheduling options to ensure your system receives the care it needs without disrupting your daily routine.
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Heater & Furnace Repair

When your heating system malfunctions, our rapid response team is ready to diagnose and resolve the issue quickly. Our technicians are equipped with the latest tools and parts to handle repairs on all makes and models of heaters and furnaces. With our 24/7 emergency service, you can rest assured that help is always just a phone call away, no matter when your heating system decides to act up.

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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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

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How Residential HVAC Companies Can Save You Money

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Why Should You Leave HVAC Services to the Professionals?

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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

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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

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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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