Cavalry Heating & Air Conditioning is Buda's locally owned heating and cooling company, serving homeowners, landlords, property managers, and businesses across Hays County with honest work and dependable results. Simple booking. Clear pricing. Reliable, lasting comfort. We've been handling AC repair and service, full HVAC system replacement, and everything in between since 2019, and our qualified HVAC technicians show up ready to solve the problem, not just talk about it. We're a local crew, and we pick up when you call. Reach us today at (737) 353-9556 to get a quote or schedule service.
Some homes need a full system replacement. Others just need a tune-up. Whatever your situation, we handle the full range of residential and commercial HVAC work across Buda and the surrounding area.
Our services include:
Every job we complete comes with a workmanship guarantee, because we stand behind the work our technicians perform. We'll diagnose it, fix it, and test it before we leave.
Before a small issue turns into a full breakdown, it pays to have a technician take a look. When your air conditioner is blowing warm air, struggling to cool certain rooms, or running longer than it should, the cause is usually something specific: a refrigerant leak, a dirty evaporator coil, a failing compressor, or a condenser problem that's reducing efficiency. Our technicians walk through a thorough diagnosis, explain what they find, and give you a clear picture of what the repair involves before any work begins. We also handle seasonal AC tune-ups to keep the system running efficiently through the long Central Texas cooling season.
When repair no longer makes sense, we handle central air installation and full system replacement. We'll assess your home or building, recommend the right equipment for the space, and complete the installation cleanly. Airflow issues, uneven temperatures, and undersized equipment are all things we account for during the process. One call, and a technician is on the way.
Scheduling an HVAC tech shouldn't be complicated. When your furnace stops heating, starts blowing cold air, or makes a noise it didn't make last winter, those are signs something needs attention. Common failure points include the igniter, the blower motor, and the heat exchanger. Our technicians work through gas furnace repair systematically, identifying the real cause rather than guessing. We show up on time and ready to work, with the tools and parts to handle most repairs in a single visit.
Heating seasons in this part of Texas are shorter than up north, but when a cold front moves through, a furnace that won't fire becomes a real problem fast. Preventive maintenance before the season starts is the best way to avoid that situation. When a furnace is aging, inefficient, or failing repeatedly, we'll walk you through the replacement options and handle the new installation from start to finish.
If you've never hired an HVAC company before, heat pumps can seem unfamiliar, but they're a practical and efficient choice for Central Texas. A heat pump handles both heating and cooling in one system, which suits a climate where mild winters and hot summers are the norm. When a heat pump stops heating, stops cooling, or isn't keeping up with demand, our technicians diagnose the issue and get it sorted. We handle tune-ups as well, which help the system maintain its efficiency over time.
For customers considering a new installation, air-source heat pumps are worth a close look in this climate. The mild winter temperatures here mean a heat pump can handle the heating load reliably without a backup system running constantly. We assess the space, recommend the right unit, and handle the installation with attention to zoning and comfort-control needs. We're ready to get your heating and cooling running again.
Buda and the broader Hays County area sit in a climate that demands real performance from both sides of an HVAC system. Summers are long and humid, pushing air conditioners hard for months at a stretch. Winters are short but genuine, and a heating system that hasn't been maintained can fail at exactly the wrong moment. Year-round indoor humidity is a comfort and air-quality concern that many homeowners in the area don't address until the problem is obvious. The services below are the ones we see come up most often for homes and buildings in this part of Central Texas.
At some point, repair costs and efficiency losses tip the math toward replacement. Common signals include a system that's more than 15 years old, repair bills that are climbing, or rooms that never quite reach the right temperature no matter what the thermostat says. A full HVAC system replacement is a significant job, and we approach it carefully. Our qualified HVAC technicians assess the existing setup, size the new equipment correctly for the space, and handle the installation from removal to final testing. Energy-efficiency upgrades are part of the conversation, because a properly sized, modern system typically costs less to run than the aging unit it replaces.
Central Texas is well-suited to heat pump technology. The winters here rarely push into the deep cold that strains a heat pump's heating capacity, which means an air-source heat pump can handle year-round comfort efficiently without working against the climate. If you're replacing an older system or building new, a heat pump installation is worth considering seriously. We walk customers through the options, explain how zoning and comfort-control systems can be layered in, and complete the installation with care. The result is a single system that covers both seasons without the complexity of separate equipment.
Humidity in this part of Texas isn't just a summer problem. It lingers through spring and fall, and it affects how comfortable a home feels even when the temperature is reasonable. A portable dehumidifier handles one room. A whole-home dehumidifier integrates directly with the existing HVAC system and manages moisture throughout the entire house, working automatically without requiring attention. Installation involves connecting the unit to the air handler and the existing ductwork, and the system then operates as part of the normal heating and cooling cycle. For homes where condensation on windows, musty odors, or general stuffiness is a recurring issue, this is the practical solution.
Leaking or damaged ductwork is one of the most common reasons a home has uneven temperatures or high energy bills. When conditioned air escapes before it reaches the rooms it's supposed to serve, the system works harder and the results are worse. We inspect, repair, and seal ductwork to restore proper airflow and bring performance back to where it should be. In some cases, partial ductwork replacement makes more sense than repeated patching, and we'll give you an honest assessment either way.
A thermostat that isn't reading temperatures accurately, or a basic unit that doesn't match the way you use your home, is a simple fix with a meaningful payoff. We install smart thermostats and programmable controls that give you better management of your comfort and your energy use. Zoning and comfort-control systems are also part of what we handle for homes and buildings where different areas have different needs.
The air inside a home can carry dust, allergens, and other particles that a standard filter doesn't fully address. Whole-home air purifiers and filtration systems work within the existing HVAC setup to improve what you're breathing every day. We also install humidifiers and dehumidifiers as part of a complete indoor air quality approach. If air quality is a concern in your home or building, we'll walk you through the options that make sense for your situation.
When there's no heat on a cold night or no cooling during a Texas summer, waiting is not a reasonable option. You book it. We fix it. Simple as that. Our technicians are available for emergency no-heat and no-cool situations, and we treat those calls with the urgency they deserve. We'll get a qualified HVAC technician to your home or building as quickly as possible, diagnose the problem on arrival, and work to get the system back up the same day.
For urgent calls that aren't a full emergency but still can't wait a week, same-day scheduling is often available. If your system is struggling, making unusual sounds, or showing signs of a developing problem, calling sooner is always the better move. We're ready to get your heating and cooling running again.
Property managers, office managers, restaurant operators, and warehouse operators all deal with HVAC problems that can't sit on a waiting list. A rooftop unit that goes down in the middle of a business day is a productivity problem and, in some cases, a compliance issue. We handle commercial HVAC repair, service, and installation across Buda and Hays County, including rooftop units and larger systems that go beyond standard residential equipment.
Clear communication from the first call to the final test is how we work with commercial customers. You'll know what we found, what we're doing about it, and what to expect before we finish the job. Seasonal maintenance and tune-ups for commercial systems are also part of what we offer, and staying ahead of failures is far less disruptive than dealing with them when they happen. Our qualified HVAC technicians handle the work, and we keep the process straightforward.
HVAC repair and replacement costs vary based on what the system needs, the age and type of equipment involved, and the scope of the work. We don't believe in vague estimates or surprise charges at the end of a job. When you call for a quote, we'll give you a clear picture of what the work involves and what it costs before anything gets started. If the diagnosis reveals something unexpected, we communicate that before proceeding.
Seasonal tune-ups are the most practical way to avoid the larger costs that come from deferred maintenance. A pre-summer AC inspection and a pre-winter heating check catch small problems before they become failures. They also keep equipment running efficiently, which adds up over a long cooling season. Call to schedule a tune-up or request an estimate on any HVAC work you've been putting off.
We work throughout Buda and the communities around it, including Kyle, San Marcos, Wimberley, Dripping Springs, Manchaca, Niederwald, Lockhart, and south Austin. If you're in Hays County or nearby, we're close by and familiar with the homes, buildings, and conditions in the area.
Local accountability matters to us. When something needs to be made right, you're not working through a regional office or waiting for someone to call you back from somewhere else. You reach the people doing the work.
We've been serving Buda and the surrounding area since 2019, and the work has always been straightforward: show up, do the job right, and stand behind it. Our team handles residential and commercial HVAC work with the same attention to detail on every call, whether it's a routine tune-up or a full system replacement.
A workmanship guarantee on every HVAC job is something we take seriously, not just something we say. The technicians we put on your property are qualified to do the work correctly, and we're not done until the system is tested and performing the way it should.
We serve Buda and the surrounding communities throughout Hays County, including Kyle, San Marcos, Wimberley, Dripping Springs, Manchaca, Niederwald, Lockhart, and the south Austin corridor. Call us at (737) 353-9556 to confirm coverage for your specific address.
For emergency no-heat and no-cool calls, we work to get a technician out as quickly as possible, and same-day service is often available for urgent situations. Our operating hours run every day from 5:30 AM to 11:00 PM, so you are not waiting until the next business day for help.
Warm air blowing from the vents, weak airflow throughout the house, a system that cycles on and off without reaching the set temperature, or unusual sounds from the indoor or outdoor unit are all signs that something needs attention. Calling sooner rather than later usually means a simpler repair and a lower cost.
Check the thermostat settings and make sure the system is set to the correct mode first. If the thermostat looks fine and the system still will not respond, call us at (737) 353-9556 and we will get a technician out to diagnose the problem, whether it is an equipment failure or something else on the system side.
Yes, we work with landlords, property managers, and multi-unit property owners throughout Buda and Hays County. We understand that a rental unit that is not heating or cooling needs to be resolved quickly, and we communicate clearly with whoever is coordinating the repair so the process stays on track.
A repair makes sense when the equipment is relatively young, the failure is isolated, and the cost is reasonable relative to the system's remaining life. When a system is more than 15 years old, breaking down repeatedly, or costing more to maintain than it is worth, replacement is usually the smarter long-term call. We walk you through both options honestly so you can make the decision that fits your situation.
We give you a clear picture of what the work involves and what it costs before anything gets started. If the diagnosis reveals something unexpected mid-job that changes the scope, we stop and communicate with you before proceeding. We do not add charges after the fact without your knowledge.
Cost varies based on the type of work, the equipment involved, and the scope of the job rather than a flat square-footage formula. A larger or more complex system may affect the time and materials required, and we account for that in the estimate before work begins.
Cavalry Heating & Air Conditioning is ready to help with whatever your heating or cooling system needs, from a quick repair to a full replacement. Trusted local service. Qualified technicians. Work done right the first time. Call (737) 353-9556 today to get a quote or schedule your service visit.
We handle the full range of residential and commercial heating and cooling work across Buda and Hays County, from a quick repair to a complete system overhaul. Whether your air conditioner is struggling through a Central Texas summer or your furnace needs attention before a cold front moves in, our qualified HVAC technicians are ready to diagnose the problem and get it sorted. Every job comes with clear communication from start to finish and a workmanship guarantee we stand behind. Call us at (737) 353-9556 to get a quote or schedule service.
| System Service | What the Service Includes | Best Suited For | Helpful Details |
|---|---|---|---|
| Heating & Furnace Repair | igniter and flame sensor repairblower motor diagnosisheat exchanger inspection | homes that lose heat during a cold snap or notice the furnace cycling oddly | Heating seasons in Central Texas are short but sharp; a furnace that has not been serviced recently is the one most likely to fail. |
| Full System Installation & Replacement | equipment sizing and selectionfull removal of old systeminstallation and final performance testing | homeowners with a system over 15 years old or facing repeated costly repairs | A properly sized replacement system typically costs less to run than the aging unit it replaces, especially through a long Central Texas cooling season. |
| Ductwork Repair & Sealing | duct leak inspectionsealing and repairpartial duct replacement where needed | homes with uneven temperatures or energy bills that do not match usage | Leaking ducts force the system to work harder and deliver less; sealing them restores airflow and comfort without replacing equipment. |
| Whole-Home Dehumidification & Humidity Control | whole-home dehumidifier installationintegration with existing air handler and ductworkautomatic humidity management | homes with condensation on windows, musty odors, or persistent stuffiness | Humidity in this part of Texas lingers through spring and fall, not just summer; a whole-home unit manages moisture automatically as part of the normal HVAC cycle. |
| Heat Pump Installation | air-source heat pump sizingsingle-system heating and cooling setupzoning and comfort-control integration | customers replacing an older system or building new who want year-round efficiency | Central Texas mild winters are well-suited to heat pump technology; the system can handle the heating load reliably without a backup running constantly. |
| AC Repair & Service | refrigerant leak diagnosisevaporator and condenser coil servicecompressor and capacitor repair | homeowners with a system blowing warm air or struggling to cool | Most repairs can be completed in a single visit; catching problems early usually keeps costs lower. |
| Indoor Air Quality & Air Filtration | whole-home air purifier installationfiltration system upgradeshumidifier and dehumidifier integration | households concerned about dust, allergens, or air quality inside the home | A standard filter handles basic particulates; a whole-home filtration system works within the existing HVAC setup to address a broader range of airborne concerns. |
| Emergency HVAC Service | no-heat emergency responseno-cool emergency responsesame-day diagnosis and repair | any situation where a system is completely down and waiting is not an option | We are available every day from 5:30 AM to 11:00 PM; emergency calls are treated with the urgency they deserve and we work to resolve the problem the same day. |
| Thermostat & Smart-Control Installation | smart thermostat installationprogrammable control setupzoning system integration | homeowners who want better comfort management and lower energy use | A thermostat that reads temperatures inaccurately or does not match your schedule is a simple fix with a meaningful payoff on monthly bills. |
| Seasonal Maintenance & Tune-Ups | pre-summer AC inspectionpre-winter heating checkfilter, coil, and component review | homeowners who want to avoid breakdowns and keep equipment running efficiently | A tune-up before the season starts catches small problems before they become failures and helps the system hold its efficiency through peak demand. |
| Heat Pump Repair & Service | heating and cooling mode diagnosisrefrigerant and airflow checkstune-ups to maintain efficiency | homes with a heat pump that is not keeping up with demand in either season | Heat pumps handle both heating and cooling, so a problem in one mode often points to a shared component worth inspecting fully. |
How do I know if my system needs repair or full replacement?
Repair usually makes sense when the equipment is relatively young, the failure is isolated, and the cost is reasonable compared to what the system has left in it. When a system is more than 15 years old, breaking down repeatedly, or costing more to maintain than it is worth, replacement is typically the smarter long-term call. We walk you through both options honestly so you can make the decision that fits your situation and budget.
What causes a system to stop heating or cooling altogether?
A complete loss of heating or cooling usually points to one of a few things: a tripped breaker on the equipment side, a failed capacitor or contactor, a refrigerant issue, a failed igniter on a furnace, or a thermostat that is not communicating correctly with the system. Some of these are quick fixes; others require parts. We diagnose the specific cause on arrival and explain what we find before any work begins.
Why is one room in my home always hotter or colder than the rest?
Uneven temperatures are usually caused by ductwork problems, an undersized system, or airflow restrictions somewhere in the system. Leaking ducts send conditioned air into unconditioned spaces before it reaches the rooms it is supposed to serve. A zoning system or targeted duct repair can often resolve the issue without replacing the full system. We inspect the ductwork and airflow as part of the diagnosis to find the real cause.
Workmanship We Stand Behind
Every HVAC job we complete comes with a workmanship guarantee. We are not done until the system is tested and performing the way it should.
How often should I schedule a maintenance tune-up?
Twice a year is the standard recommendation: once before the cooling season and once before the heating season. In Central Texas, the cooling season is long and the system works hard for months at a stretch, so a pre-summer inspection is especially important. Regular tune-ups catch small problems early, keep the equipment running efficiently, and extend the useful life of the system.
What does a seasonal tune-up actually cover?
A tune-up typically includes checking refrigerant levels, inspecting the evaporator and condenser coils, testing the capacitor and contactor, verifying thermostat calibration, inspecting the heat exchanger and igniter on a furnace, checking airflow and filter condition, and running the system through a full cycle to confirm it is operating correctly. The goal is to find anything that could cause a failure or reduce efficiency before it becomes a problem.
Can a dirty filter or coil hurt my system's performance?
Yes, and more than most people expect. A clogged filter restricts airflow through the system, which forces the equipment to work harder and can cause the evaporator coil to freeze. A dirty coil reduces the system's ability to transfer heat, which means longer run times, higher energy use, and more wear on the compressor. Keeping filters clean and scheduling regular coil inspections are two of the simplest ways to protect the system.
Same-Day and Emergency Availability
We are available every day from 5:30 AM to 11:00 PM for emergency no-heat and no-cool situations. When your system is down, we work to get it back up the same day.
What are the signs of a refrigerant or airflow problem?
Warm air blowing from the vents, ice forming on the refrigerant lines or coil, hissing or bubbling sounds near the outdoor unit, or a system that runs constantly without reaching the set temperature are all common signs. Airflow problems often show up as weak output from certain vents or a system that cycles on and off more than usual. Both types of problems are worth addressing quickly because they add wear to the compressor over time.
Is a heat pump a good choice for Central Texas?
For most homes in this area, yes. A heat pump handles both heating and cooling in a single system, and the mild winters here mean it can cover the heating load reliably without a backup system running constantly. The long, hot summers are where the cooling side earns its keep. If you are replacing an older system or building new, a heat pump is worth a serious look, and we can walk you through how it compares to a traditional furnace-and-AC setup for your specific situation.
Transparent Upfront Pricing
We give you a clear price before any work begins and communicate any changes before we proceed. No surprise charges at the end of the job.
How does whole-home humidity control work, and do I need it?
A whole-home dehumidifier connects directly to the air handler and existing ductwork, then runs automatically as part of the normal HVAC cycle. Unlike a portable unit that handles one room, it manages moisture throughout the entire house without requiring attention. In Buda and the surrounding area, humidity is a concern through spring and fall, not just summer. If you are noticing condensation on windows, musty odors, or a home that feels stuffy even when the temperature is reasonable, a whole-home unit is worth considering.
Do I need to be home when the technician comes?
Someone should be present at the start of the visit so we can access the equipment and discuss what you are experiencing. Once the technician is working, you do not need to hover; we handle the diagnosis and work independently. Before we leave, we walk you through what we found, what was done, and how the system is performing. Clear communication from the first call to the final test is how we work on every job.
How do you handle pricing and estimates?
When you call for a quote, we give you a clear picture of what the work involves and what it costs before anything gets started. If the diagnosis turns up something unexpected that changes the scope of the job, we stop and communicate with you before proceeding. We do not add charges after the fact without your knowledge. The goal is a straightforward process where you know what to expect at every step.
Every home and building is a little different, and the right solution depends on your equipment, your space, and your situation. Call us at (737) 353-9556 and we will give you a straight answer on what your system needs.
(737) 353-9556