Over the years, we've seen every kind of furnace, AC, and heat pump, and we know what it takes to get them running right again. Whether your system is making a strange noise, not keeping up with the temperature, or has stopped working entirely, we diagnose the problem and fix it correctly the first time.
When your air conditioner stops cooling or starts blowing warm air, the last thing you want is a slow response. We diagnose refrigerant leaks, condenser and compressor issues, airflow restrictions, and uneven-temperature problems across your home or building. A service visit starts with a thorough inspection so we know exactly what we are dealing with before any work begins. Call and we'll get your heat or AC back on.
A furnace that stops working in the middle of a Tennessee winter is not something you can wait out. We service gas furnaces, air handlers, and blower systems across Hendersonville and the surrounding area. From a pilot light that won't stay lit to a blower motor that's gone quiet, we walk through every step of the repair with you. We keep you informed from diagnosis to final test so you always know what is happening with your system.
Heat pumps do double duty, heating in winter and cooling in summer, which means twice the opportunity for something to go wrong. Common issues include refrigerant problems, reversing valve failures, and defrost cycle faults that show up in Tennessee's mixed shoulder seasons. We service all makes and models and can tell you honestly whether a repair makes sense or whether replacement is the better call.
When a system reaches the end of its useful life, a well-matched replacement makes a real difference in comfort and efficiency. We size equipment to your home or building, coordinate the installation from start to finish, and make sure every job meets code. Code-compliant HVAC work on every job is not a talking point for us; it is how we operate. Let us handle the install and the permits.
Additions, sunrooms, garages, and older homes without existing ductwork are a natural fit for mini-split systems. We install and repair ductless equipment from leading manufacturers and can help you figure out whether a single-zone or multi-zone setup makes the most sense for your space.
A programmable or Wi-Fi smart thermostat can make a noticeable difference in how comfortable your home feels and how much you spend to keep it that way. We install and configure thermostats from brands like Nest and Ecobee, and we can set up zoning controls if your home has areas that are consistently too warm or too cool.
Leaking or poorly connected ductwork wastes conditioned air and drives up energy costs. If you are noticing uneven temperatures from room to room or a system that runs longer than it should, the ductwork is often the culprit. We inspect, repair, and seal duct systems so your equipment can do its job efficiently.
Tennessee's humid summers and high pollen counts make indoor air quality a real concern for a lot of households. We install whole-home filtration systems, UV air purifiers, and integrated dehumidifiers that work with your existing HVAC system to keep the air inside cleaner and more comfortable.
A spring AC tune-up and a fall furnace tune-up catch small problems before they become expensive repairs. During a tune-up, we check refrigerant levels, clean coils, inspect electrical connections, test safety controls, and make sure the system is ready for the season ahead. Same-day HVAC service available means we can often get you on the schedule quickly when the season turns.
We show up ready to go to work.
Whether this is your first HVAC repair or your tenth, a system that goes down without warning is stressful. A furnace that stops heating overnight, an air conditioner that quits on the hottest day of the year, or a unit that simply won't turn on all qualify as situations we treat as urgent. We are available same-day for no-heat and no-cool emergencies in Hendersonville and the surrounding Sumner County area, and we serve both residential and commercial customers.
If your system is making a loud noise, leaking, or refusing to start, do not wait to call. We find it. We fix it. We test the airflow.
Call (615) 697-8932 now.
For homeowners and property managers who want it done right, understanding your local climate is the starting point. Hendersonville sits in a true four-season zone. Summers are hot and humid, pushing air conditioning systems hard for months at a stretch. Winters are cold enough to demand reliable heat. And the shoulder seasons bring their own challenges, particularly around indoor humidity, which stays elevated well into fall. The services below reflect what actually comes up most often in this part of Tennessee.
When repair costs start climbing toward the price of a new system, replacement is usually the smarter investment. We assess your existing equipment, recommend properly sized replacements, and handle the full installation. A matched furnace-and-AC pairing gives you efficient performance across both heating and cooling seasons, which matters in a climate like Hendersonville's where you genuinely need both. Every replacement job is done to code, and we walk you through the work before we start. Call and we'll get your heat or AC back on.
Tennessee sits in one of the strongest heat pump adoption zones in the country, and for good reason. Mild winters and long, hot summers make heat pumps a practical and efficient choice. A single system handles both heating and cooling, which simplifies maintenance and often reduces operating costs compared to running separate systems. Installation is performed by qualified HVAC technicians who size the equipment correctly for your home.
Sumner County summers are genuinely humid, and a standard air conditioner can only do so much. When indoor humidity stays high, rooms feel warmer than the thermostat says, and over time elevated moisture creates conditions that are hard on both the structure and the people inside. A whole-home dehumidifier integrates directly with your HVAC system and manages humidity levels automatically, without the hassle of portable units. We keep you informed from diagnosis to final test so you understand exactly what we are installing and why.
Whether it's a one-time repair or a full system replacement, we work with offices, retail spaces, restaurants, and property managers across Hendersonville and Sumner County. Commercial HVAC equipment runs harder and on tighter schedules than residential systems, and we understand what that means for your business. We handle commercial diagnostics, installation, seasonal maintenance, and emergency response with the same attention to detail we bring to every residential job. We show up ready to go to work.
We provide clear estimates before work begins. Before a technician touches your system, we tell you what we found and what it will cost to fix. No surprise charges after the fact. Costs vary depending on system type, age, and the scope of the repair or installation, and we explain those variables plainly so you can make an informed decision. Code-compliant HVAC work on every job means you are not trading a lower price for a shortcut that causes problems later.
Call (615) 697-8932 to request an estimate.
Founded in 2011, we have spent more than fifteen years building a reputation across Hendersonville and the surrounding communities. Work is performed by qualified HVAC technicians on every job, residential and commercial alike. When you call, a real local person answers. When we show up at your door, it is someone who knows this area and stands behind the work personally.
We serve customers throughout Sumner County, including Gallatin, White House, Portland, Goodlettsville, Millersville, Westmoreland, Madison, and Old Hickory. If you are nearby, we can likely help.
Let us handle the install and the permits.
Yes. We handle residential and commercial HVAC work across Hendersonville and the surrounding Sumner County area. Whether you own a single-family home, manage a rental portfolio, or operate a commercial space, we send the same qualified technicians and hold the work to the same standard.
Same-day service is available for both emergency and non-emergency calls when our schedule allows. No-heat and no-cool situations get priority, but we do our best to get to routine repair and service calls quickly as well. Call (615) 697-8932 and we will tell you what we can get on the schedule for today.
A system that breaks down repeatedly, is more than 15 years old, or has repair costs approaching the price of new equipment is usually a better candidate for replacement than another fix. We assess the full system during a service visit and give you an honest recommendation based on what we find, not on what costs more. We walk you through the options so you can make the decision that fits your situation.
System size, age, and the scope of the repair or installation all affect the final cost. A larger or older system may require more labor, more parts, or more time to diagnose correctly. We explain those variables before work begins so there are no surprises after the fact.
Older equipment, hard-to-source parts, difficult access to indoor or outdoor units, and ductwork that needs attention alongside the main repair can all affect the total. We identify those factors during the diagnostic visit and include them in the estimate before we start. Code-compliant work on every job means we do not cut corners to bring the price down artificially.
For most interior work, yes, someone should be present to provide access to the equipment and to hear what we find during the visit. For exterior-only work on an outdoor condenser or heat pump unit, we can discuss the specifics when you call. We keep you informed from diagnosis to final test, so being present helps you get the most out of the visit.
We provide a clear estimate before any work begins, based on what we find during the diagnostic visit. If something unexpected comes up once work is underway, we stop and walk you through it before proceeding. We do not add charges after the fact without your knowledge and approval.
Payment is due when the job is complete. We do not require payment before the work is done, and we do not add fees that were not part of the original estimate. If you have questions about payment before scheduling, call (615) 697-8932 and we can talk through the details.
We do our best to accommodate your availability. We operate every day from 6:00 AM to 9:30 PM, which gives us flexibility to schedule earlier or later in the day when a standard midday window does not work for you. Call and we will find a time that fits.
We serve customers throughout Sumner County and into neighboring communities including Gallatin, Goodlettsville, White House, Millersville, Portland, and Madison. Travel fees, if any, depend on the distance and the nature of the call. Call (615) 697-8932 and we can give you a straightforward answer based on your location.
Have a general sense of what your system is doing, or not doing, so we can ask the right questions and come prepared. If you know the age and brand of your equipment, that helps too, but it is not required. We handle the diagnostic from there and explain everything we find before any work begins.
CRT HVAC is ready to help with repairs, installations, tune-ups, and emergency calls across Hendersonville and the wider Sumner County area. We handle residential and commercial work, and same-day availability means you do not have to sit with a broken system longer than necessary.
Call (615) 697-8932 for a quote or to schedule service.
We handle the full range of residential and commercial heating and cooling work in Hendersonville and across Sumner County. Whether you need a quick repair, a seasonal tune-up, or a complete system replacement, the table below shows what we cover, who each service fits best, and a practical note to help you plan. Call (615) 697-8932 to talk through your situation and get a quote.
| Service Type | What's Included | Common Needs | Helpful Details |
|---|---|---|---|
| Heating and Furnace Repair |
| anyone whose heat stops working during a Tennessee cold snap | We walk through every step of the repair with you and keep you informed from diagnosis to final test. |
| Indoor Air Quality and Air Filtration |
| households concerned about allergens, pollen, or elevated indoor humidity | Tennessee's high pollen counts and humid summers make indoor air quality a practical concern, not just a comfort preference. |
| Ductwork Repair and Sealing |
| homes with uneven temperatures from room to room or systems that run longer than expected | Leaking ductwork is a common and often overlooked reason energy bills climb; sealing it lets your equipment work the way it was designed to. |
| Full System Installation and ReplacementMost Popular |
| homeowners and property managers ready to replace aging or failing equipment | A matched furnace-and-AC pairing or a properly sized heat pump makes a real difference in comfort and efficiency across both seasons. |
| AC Repair and Service |
| homeowners and tenants with a system that stops cooling or blows warm air | Hendersonville summers run long and hot; catching a refrigerant or airflow problem early keeps repair costs down before peak season. |
| Seasonal Maintenance and Tune-Ups |
| homeowners who want to avoid mid-season breakdowns and extend equipment life | A spring AC tune-up and a fall furnace tune-up catch small problems before they become expensive repairs at the worst possible time. |
| Furnace and AC System Replacement |
| Hendersonville homeowners whose repair costs are climbing toward the price of a new system | A matched furnace-and-AC replacement covers both heating and cooling seasons, which both matter in this part of Tennessee. |
| Emergency HVAC Service |
| anyone whose system goes down without warning and cannot wait for a scheduled appointment | Same-day service is available; no-heat and no-cool situations get priority. Call as soon as the problem starts. |
| Thermostat and Smart-Control Installation |
| homeowners who want better comfort control or lower energy costs | A smart thermostat is one of the lowest-cost upgrades that produces a noticeable difference in how consistently your home feels comfortable. |
| Heat Pump Installation |
| homeowners looking for one efficient system to cover both seasons | Tennessee's mild winters and long hot summers make heat pumps a practical and efficient choice for this climate. |
| Whole-Home Dehumidification and Humidity Control |
| households in Sumner County where indoor humidity stays high even when the AC is running | When humidity stays elevated, rooms feel warmer than the thermostat reads. A whole-home dehumidifier addresses that at the source. |
| Heat Pump Repair and Service |
| homeowners with a system that is underperforming in heating or cooling mode | Tennessee's shoulder seasons put extra stress on reversing valves; catching defrost cycle faults early avoids bigger repairs. |
How do I know if my system needs a repair or a full replacement?
A system that breaks down repeatedly, is more than 15 years old, or has repair costs approaching the price of new equipment is usually a better candidate for replacement. We assess the full system during a service visit and give you an honest recommendation based on what we find. We walk you through the options so you can make the decision that fits your situation and your budget.
What are the signs that my AC or furnace is starting to fail?
Common signs include the system running longer than usual without reaching the set temperature, uneven heating or cooling from room to room, unusual noises like banging or rattling, a sudden increase in energy costs, or the system cycling on and off more frequently than normal. Any of these is worth a diagnostic call before the problem gets worse.
How often should I schedule maintenance and tune-ups?
We recommend a spring tune-up for your air conditioner before cooling season and a fall tune-up for your furnace or heat pump before heating season. Two visits per year keeps the equipment running efficiently, catches small problems early, and helps extend the useful life of the system.
Same-Day and Emergency Availability
When your heat or AC goes down, you should not have to wait days for help. We offer same-day service for both emergency and routine calls in Hendersonville and across Sumner County.
Is same-day service really available, or is that only for emergencies?
Same-day service is available for both emergency and non-emergency calls when our schedule allows. No-heat and no-cool situations get priority, but we do our best to get to routine repair and service calls quickly as well. Call (615) 697-8932 and we will tell you what we can get on the schedule for today.
Why is one room in my home hotter or colder than the rest?
Uneven temperatures are often caused by ductwork leaks or disconnected sections, an undersized system, blocked or closed vents, or a thermostat that is not placed well. In some cases, zoning controls or a ductless mini-split for a problem area is the right solution. We diagnose the cause before recommending a fix.
What do strange noises from my HVAC unit usually mean?
Banging or clanking often points to a loose or broken component inside the unit. Squealing can indicate a worn belt or bearing. Rattling may mean debris in the system or a loose panel. Clicking that continues after startup can signal an ignition or electrical control issue. If your system is making a noise it did not make before, it is worth a call.
Transparent Upfront Pricing
We tell you what we found and what it will cost before any work begins. No surprise charges after the fact, and no work proceeds without your approval.
How do ductwork leaks raise my energy bills?
When conditioned air escapes through gaps or disconnected duct sections before it reaches the living space, your system has to run longer to hit the thermostat setting. That extra run time shows up directly on your energy bill. Sealing the ductwork lets the equipment deliver the air you are already paying to condition, rather than losing it in the walls or attic.
Should I choose a furnace or a heat pump for my Hendersonville home?
Tennessee's climate, with mild winters and long hot summers, is well suited to heat pumps. A heat pump handles both heating and cooling with a single system, which simplifies maintenance and can reduce operating costs. In homes that already have a furnace and ductwork in good shape, a matched furnace-and-AC replacement is also a solid option. We can walk you through the comparison based on your specific home and existing equipment.
Code-Compliant Work on Every Job
Every installation and repair is performed to code. We handle permits where required and make sure the work is done right the first time, whether it is a single repair or a full system replacement.
How does whole-home humidity control differ from a portable dehumidifier?
A portable dehumidifier handles one room at a time and requires you to empty the reservoir or run a drain line manually. A whole-home dehumidifier integrates directly with your HVAC system, manages humidity throughout the house automatically, and does not require ongoing attention. In Sumner County's humid summers, the whole-home approach is more consistent and far less work.
How do estimates and pricing work before a job starts?
We provide a clear estimate before any work begins, based on what we find during the diagnostic visit. If something unexpected comes up once work is underway, we stop and walk you through it before proceeding. We do not add charges after the fact without your knowledge and approval.
Do I need to be home when the technician arrives?
For most interior work, yes. Someone should be present to provide access to the equipment and to hear what we find during the visit. Being on-site also lets us walk you through the diagnosis and the proposed repair before we start, which is how we prefer to work. For exterior-only work, we can discuss the specifics when you call.
Call (615) 697-8932 to talk through your heating or cooling situation and get a straightforward quote from our team.
(615) 697-8932