Whether it's a one-time repair or a full system replacement, we cover the full range of HVAC work for homes, rental properties, and commercial spaces throughout the area. That means everything from diagnosing a system that stopped working on a hot afternoon to planning a complete equipment upgrade before the next heating season. We show up ready to go to work.
When your air conditioner stops cooling or starts struggling to keep up, we find the problem and fix it. We service central air systems, diagnose refrigerant leaks, repair condenser and compressor issues, and troubleshoot uneven temperatures and airflow problems throughout the home. Same-day AC repair is available for urgent calls.
A furnace that stops working in January is not something you put off. We respond quickly to no-heat situations and work on gas furnaces and electric heating systems alike. Blower motor problems, ignition failures, heating systems that cycle but do not produce heat - we have seen it and we know how to fix it.
Heat pumps handle both heating and cooling from a single unit, which means a problem in either season can leave you without comfort. We service heat pumps in both heating and cooling modes, diagnose the full system, and get it running correctly again.
Sometimes repair is not the right answer. When a system is aging, breaking down repeatedly, or simply no longer efficient enough for your space, a full replacement makes more sense. We handle complete system swaps for homes and commercial buildings, and every installation is code-compliant HVAC work on every job.
A thermostat that does not work correctly costs you money and comfort. We install standard, programmable, and smart Wi-Fi thermostats, and we can set up zoning systems that give different areas of your home or building their own temperature control. Let us handle the install and the permits.
Leaking or damaged ductwork is one of the most common reasons a home has uneven temperatures or higher-than-expected energy bills. We locate problem areas, seal leaks, and repair damaged sections so your system delivers conditioned air where it is supposed to go.
Tennessee's climate brings humidity, pollen, and other airborne irritants that affect the air inside your home. We install whole-home air filtration systems and air purifiers that work with your existing HVAC equipment to keep indoor air cleaner and more comfortable year-round.
A seasonal tune-up catches small problems before they become expensive ones. We inspect, clean, and test your system before the heavy-use seasons hit. We keep you informed from diagnosis to final test so you know exactly what we found and what we did. Call to schedule before the spring or fall rush.
For homeowners and property managers who want it done right, a system failure in the middle of summer or deep in winter cannot wait. We take emergency calls seriously and respond quickly to no-heat and no-cool situations across Hendersonville and the surrounding communities.
If your system has stopped turning on, is blowing warm air when it should be cooling, is making loud or unusual noises, or is short cycling and shutting itself off, call us. Same-day HVAC service is available, and we come prepared to diagnose and repair on the first visit whenever possible.
We find it. We fix it. We test the airflow. Call and we'll get your heat or AC back on.
Over the years, we've seen every kind of furnace, AC, and heat pump that Sumner County homes and businesses throw at us. Hendersonville sits in a true four-season climate. Winters get cold enough to put real strain on heating systems, and summers are hot and persistently humid. That combination shapes which HVAC services matter most here, and it is why we focus on the following three areas.
Tennessee's temperature swings mean your HVAC system works hard in both directions all year long. An aging unit that was already working overtime in summer has to turn around and carry the full heating load in winter. When repair costs start climbing or a system is past its useful life, replacement is often the more cost-effective path. We assess the full system, recommend the right equipment for your space, and handle the installation with code-compliant work on every job. Call for a replacement estimate and we will walk you through the options.
Hendersonville's winters are cold but moderate enough that heat pumps operate efficiently through most of the heating season. Tennessee is in one of the highest heat-pump adoption zones in the country, and for good reason. A heat pump handles both heating and cooling from a single system, which simplifies equipment, reduces the number of systems to maintain, and can lower operating costs compared to running a furnace and a separate AC. We install ducted heat pump systems and ductless mini-split configurations for homes and commercial spaces that need flexible, efficient comfort control.
Middle Tennessee summers bring persistent humidity that a standard air conditioner alone may not fully manage. When indoor humidity stays high, the air feels heavier than the thermostat reading suggests, and moisture can affect air quality and building materials over time. A whole-home dehumidifier works alongside your existing HVAC system to pull excess moisture out of the air consistently. We size and install the right system for your home and make sure it integrates properly with your current equipment.
Whether this is your first HVAC repair or your tenth, you get the same qualified technicians and the same standard of work regardless of the size of the job.
For homeowners, that means honest assessments, clear communication, and repairs or installations done correctly the first time. For landlords and property managers with rental units across Hendersonville or elsewhere in Sumner County, we understand that a tenant without heat or air conditioning is an urgent situation. We respond quickly and coordinate efficiently so you can take care of your properties without unnecessary back-and-forth.
For small businesses, office buildings, and retail spaces, we handle commercial HVAC repair, installation, and maintenance with the same care we bring to residential work. We keep you informed from diagnosis to final test so there are no surprises when the job is done.
We serve residential and commercial customers across Hendersonville and the communities around it. Our regular service area includes Gallatin, Goodlettsville, White House, Millersville, Portland, Westmoreland, and Madison along the Davidson County line.
If you are in Sumner County or nearby and need HVAC repair, installation, or maintenance, we are close by and ready to help. Call (615) 697-8932 for a quote and we will get you scheduled.
We have been doing this work in the Hendersonville area since 2011. That is over fifteen years of learning this community's homes, its building stock, and the specific demands that Tennessee's climate puts on heating and cooling equipment.
We live and work in this community, and our work shows it. When you call, you reach someone who knows the area and can speak to your situation directly. We send trained technicians who take the work seriously and treat your home or business with respect.
We are proud of the reputation we have built here. We do not cut corners, we do not recommend work that is not needed, and we give you straightforward information so you can make a confident decision. Call for a quote and find out what it is like to work with an HVAC company that is personally invested in getting it right.
A system that has stopped producing heat or cooling entirely is the clearest emergency, especially during extreme temperatures. Other situations that warrant a same-day call include a system that will not turn on at all, a unit making loud or unusual noises, or a system that is short cycling and shutting itself off repeatedly. Call (615) 697-8932 and we will assess the situation and get someone out as quickly as possible.
Turn the system off at the thermostat if it is making loud noises, cycling rapidly, or showing signs of a refrigerant leak such as ice buildup. Do not try to open or repair the unit yourself. In a no-heat situation, use space heaters safely and keep interior doors closed to retain warmth until we arrive.
Common warning signs include warm air blowing from vents when the system is set to cool, reduced airflow, the system running constantly without reaching the set temperature, unusual sounds like grinding or rattling, and visible ice on the indoor or outdoor unit. If you notice any of these, call before the problem gets worse and the repair becomes more involved.
A burning smell often indicates dust burning off at the start of the heating season, but it can also signal an electrical issue within the equipment or a failing motor component. A musty smell usually points to mold or moisture buildup in the ductwork or on the evaporator coil. Both situations are worth having a technician look at, especially if the smell persists after the first few minutes of operation.
We inspect the refrigerant levels and look for signs of leaks, check the coils for dirt or damage, test the capacitor and contactor, verify that the fan is operating correctly, and make sure airflow around the unit is not restricted. On a heat pump, we also check the reversing valve and the defrost cycle, which are common failure points in Tennessee's shoulder seasons.
We inspect the evaporator coil, the blower motor and wheel, the filter condition, the drain pan and condensate line for blockage, and the electrical connections and control board. We also check airflow delivery and return air balance to make sure the system is moving conditioned air efficiently through the home.
Leaking ducts allow conditioned air to escape into unconditioned spaces like attics or crawl spaces before it ever reaches the rooms you are trying to heat or cool. Undersized ducts restrict airflow and force the system to work harder and run longer to meet the thermostat setting. Both problems show up as uneven temperatures, higher energy use, and a system that never quite keeps up.
A repair makes sense when the system is relatively young, the failure is isolated to a single component, and the cost of the repair is well below the cost of replacement. When a system is past its useful life, has had multiple failures in a short period, or the repair cost approaches what a new system would cost, replacement is usually the better investment. We give you an honest assessment so you can make the call that fits your situation and your budget.
Yes, for most repair and installation work we shut off power to the equipment before beginning. This is standard practice for safe HVAC work and is part of how we ensure code-compliant results on every job. We handle that process ourselves and restore power once the work is complete and tested.
Yes. During a service visit or installation, the work area around indoor and outdoor equipment should be kept clear of children and pets. Moving parts, refrigerant handling, and electrical components at the unit all create conditions where it is safest to keep the area clear until the technician has finished and tested the system.
Extreme heat, rain, or freezing conditions can affect the safety and quality of certain outdoor installation tasks. We assess conditions on arrival and will let you know if weather requires rescheduling any portion of the work. Most diagnostic and repair visits can proceed in a wide range of conditions, but full installations may need a window with more favorable weather.
CRT HVAC is ready to help with everything from a quick repair to a full system replacement. Family-owned. Locally rooted. Comfort is our business.
Call (615) 697-8932 to schedule service or request an estimate. Whether you need same-day emergency help or want to plan ahead before the next season, we are here and ready to get to work.
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