HVAC Contractor in Chattanooga, TN

Anyone who’s lived through a Chattanooga summer knows that the heat doesn’t politely announce itself. Rather, it settles in, slow and heavy, until the air feels like a warm blanket you can’t take off. Then, almost without warning, winter sweeps through the valley, bringing those sharp mountain winds that rattle old windows and remind you how important a working heater really is. Comfort here isn’t a luxury; it’s the quiet difference between getting through a season and actually enjoying it.


The thing about this city is that it tests systems. The right HVAC contractor knows how to read all that. Not from a manual, but from years of working inside homes built across different eras and microclimates.


The challenges range from oversized units that short-cycle, cooling fast but unevenly, to homes that lose conditioned air through aging vents or improper insulation. Each system tells its own story in the hum of the fan, the way air moves (or doesn’t) through a room, and the strain in the compressor on a humid afternoon.


That’s why true HVAC craftsmanship matters, because good equipment alone doesn’t guarantee comfort. Balance does. A well-installed HVAC unit breathes with the house. It circulates air that’s clean, balanced, and quiet. It manages humidity so the walls don’t sweat in August. It filters allergens, saves energy, and quietly prevents mold and corrosion from setting in. When done right, you barely notice it, but your lungs, your furniture, and your electric bill do.


That’s the difference you find with Day's Heating & Air LLC. We’ve been called in every season to fix units wheezing in August, to bring warmth back to a home mid-December, to tune systems that should’ve lasted but weren’t built right the first time.

Discover - Chattanooga, TN

Chattanooga, the scenic heart of southeastern Tennessee, sits along the winding Tennessee River where the ridges of the Appalachians meet the Cumberland Plateau. Known as the “Scenic City”, it pairs breathtaking natural beauty with a history of grit, reinvention, and innovation. Once a strategic hub during the Civil War and later a powerhouse of Southern industry, it has transformed into a city that thrives on diversity of people, landscapes, and ideas. The same river that once fueled its factories now anchors a revitalized downtown filled with trails, green spaces, and tech startups. Today, it’s home to the University of Tennessee at Chattanooga, a growing arts scene, and the first citywide gig-speed internet in the U.S., earning it the nickname “Gig City”.

Our Services in Chattanooga, TN

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Hire Us! Best and Top Rated HVAC Contractor in Chattanooga, TN

There are plenty of companies that promise comfort. Day's Heating & Air LLC delivers it quietly, with work that holds up long after the invoice fades from memory. We don’t believe in guesswork or shortcuts. We trust only in systems that run clean, efficient, and tuned to the way people actually live.


Our team of
HVAC specialists thinks carefully, works precisely, and leaves the air better than they found it. Call us today to book your consultation.


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FREQUENTLY ASKED QUESTIONS

  • How often should HVAC systems be maintained in Chattanooga, TN?

    Regular HVAC maintenance in Chattanooga, TN, should be performed at least twice a year, ideally in spring and fall. This ensures your system runs efficiently, reduces energy costs, and prevents unexpected breakdowns. Given Chattanooga’s humid summers and cold winters, routine inspections help detect minor issues like dirty coils, refrigerant leaks, or duct inefficiencies before they escalate. Day’s Heating & Air LLC provides full maintenance, including cleaning, calibration, and safety checks, ensuring optimal performance year-round.

  • What are the warning signs my air conditioner needs repair in Chattanooga, TN?

    Common warning signs include inconsistent cooling, strange noises, higher utility bills, and frequent cycling on and off. In Chattanooga, TN’s humid climate, an inefficient AC can lead to discomfort and potential mold growth. Ignoring these signs can cause more expensive repairs. Day’s Heating & Air LLC specializes in prompt diagnostics and repairs, addressing issues like refrigerant leaks, compressor problems, or electrical faults, ensuring your AC works efficiently and keeps your home cool during peak heat.

  • Are heat pumps reliable in Chattanooga, TN winters?

    Yes, modern heat pumps perform efficiently even in Chattanooga, TN winters. They extract heat from outside air and transfer it indoors, offering a cost-effective alternative to traditional furnaces. Proper installation, sizing, and seasonal maintenance are critical to performance in colder months. Day’s Heating & Air LLC installs and maintains high-efficiency heat pumps tailored to Chattanooga homes, ensuring consistent indoor warmth, reduced energy bills, and system longevity, even during the coldest mountain valley nights.

  • How can I improve indoor air quality in Chattanooga, TN homes?

    Indoor air quality is affected by dust, pollen, humidity, and pet dander, which are common in Chattanooga, TN. Improving it involves regular HVAC maintenance, replacing filters, and installing air purifiers or dehumidifiers. Day’s Heating & Air LLC evaluates ventilation, duct cleanliness, and filtration systems, recommending upgrades or solutions to reduce allergens, control humidity, and remove pollutants. Enhanced air quality improves comfort, protects respiratory health, and prevents mold growth, especially in Chattanooga’s humid climate.

  • How do I know if my furnace needs replacement in Chattanooga, TN?

    Signs include inconsistent heat, strange noises, rising energy bills, and age over 15 years. Chattanooga, TN winters can be harsh on older furnaces, making timely replacement crucial for safety and comfort. Day’s Heating & Air LLC evaluates furnace efficiency, safety, and wear, recommending high-efficiency models to lower energy costs, improve heating distribution, and enhance indoor air quality, ensuring homes stay warm reliably through Chattanooga’s coldest months.

  • Can I install a ductless mini-split in a Chattanooga, TN home?

    Yes, ductless mini-splits are ideal for homes without existing ductwork or for zone-specific cooling and heating. Chattanooga, TN’s diverse home styles make mini-splits a flexible solution for energy efficiency and comfort. Day’s Heating & Air LLC installs units tailored to your layout, ensuring proper sizing, precise placement, and optimal airflow. These systems provide quiet operation, targeted temperature control, and energy savings while complementing Chattanooga’s varying seasonal needs.

  • How can I lower HVAC energy costs in Chattanooga, TN?

    Energy costs can be reduced through proper system sizing, regular maintenance, smart thermostat use, and duct inspections. Chattanooga, TN homes often have older insulation or leaks that reduce efficiency. Day’s Heating & Air LLC evaluates your system, seals ducts, recommends energy-efficient upgrades, and educates homeowners on habits that reduce energy consumption, helping you save money while maintaining consistent indoor comfort throughout the year.

  • How do I know if my AC refrigerant needs recharging in Chattanooga, TN?

    Signs include weak airflow, longer cooling cycles, higher energy bills, and ice on coils. Refrigerant levels drop over time or due to leaks. Day’s Heating & Air LLC inspects your system safely, identifies leaks, and restores proper refrigerant levels to ensure peak cooling efficiency. In Chattanooga, TN, where humidity is high, maintaining the correct refrigerant is critical to preventing compressor damage and keeping homes comfortably cool.

  • Are emergency HVAC services available in Chattanooga, TN?

    Yes, Day’s Heating & Air LLC offers 24/7 emergency services in Chattanooga, TN. Whether it’s a furnace failing in winter or an AC breakdown in summer, technicians respond quickly, diagnose issues, and implement temporary or permanent repairs. Prompt service reduces damage, restores comfort, and ensures safety during extreme weather, providing peace of mind for Chattanooga residents who rely on dependable HVAC performance.

  • What challenges do older Chattanooga, TN homes present for HVAC systems?

    Older homes may have outdated wiring, undersized ducts, poor insulation, and aging infrastructure. These challenges affect system efficiency and longevity. Day’s Heating & Air LLC specializes in adapting modern HVAC solutions to historic or older Chattanooga, TN homes, ensuring proper sizing, improved ventilation, and code compliance. Their approach balances comfort, energy efficiency, and preservation of structural integrity, providing reliable climate control despite the home’s age-related limitations.