Cavalry Heating & Air Conditioning has been serving Buda and the surrounding Hays County communities since 2019. In those seven years, we have built a reputation as the local heating and cooling company that homeowners and business owners call when they need the job done right. We handle everything from a quick AC repair to a full system installation, and we do it for all property types: single-family homes, rental properties, small businesses, and commercial spaces.
We're a local crew, and we pick up when you call.
Whether your air conditioner stops working in the middle of a July heat wave or your heating system acts up on a cold January night, we are ready to help. Clear communication from the first call to the final test is something we take seriously on every job, because we know your comfort and your schedule matter.
Simple booking. Clear pricing. Reliable, lasting comfort.
Call (737) 353-9556 to schedule your HVAC service in Buda today.
Scheduling an HVAC tech shouldn't be complicated. We keep the process straightforward: you tell us what is going on, we get a technician out to you, and we handle the work from start to finish. Below is a look at the full range of services we provide across the Buda area and greater Hays County.
Whether you need a single repair or a complete system overhaul, we have the experience to handle it. We'll diagnose it, fix it, and test it before we leave.
Central Texas summers are no joke. When temperatures climb into the upper nineties and stay there for weeks, a functioning air conditioner is not a luxury. It is a necessity. We handle the full range of AC repair and service calls, from routine maintenance to complex diagnostic work.
Common issues we see include an AC not cooling, the system blowing warm air, a frozen evaporator coil, refrigerant leaks, unusual noises, and units that simply will not turn on. Our qualified HVAC technicians check the condenser and compressor, clean the evaporator coil, test airflow, and trace the root cause rather than guessing. Uneven temperatures and poor airflow throughout the house are often duct-related or tied to a failing component that gets overlooked without a thorough inspection.
When repair is no longer the right call, we also handle AC installation and full system replacement. Whether you are upgrading an aging central air system or replacing a unit that has reached the end of its useful life, we will walk you through the options and help you choose the right fit for your home and budget. We show up on time and ready to work, and we do not leave until the system is running correctly and you are satisfied.
Winters in Hays County are mild compared to much of the country, but cold snaps do arrive, and a heating system that fails on one of those nights is a real problem. We service and repair furnaces, heat pumps, and all standard residential heating equipment.
If your furnace is not heating, blowing cold air, cycling on and off without warming the space, or simply will not start, we can diagnose the issue and get it corrected. Heat pump problems follow a similar pattern: a unit that is not heating in winter or not cooling in summer often comes down to refrigerant, a reversing valve, or an electrical component on the equipment side.
Heat pumps are a practical choice for the Central Texas climate because they handle both heating and cooling in a single system. For homes that run on mild winters and long cooling seasons, a heat pump installation can be a smart long-term investment. We handle heat pump repair, replacement, and new installation, and we can walk you through whether a heat pump makes sense for your home. One call, and a technician is on the way.
Some spaces just do not connect easily to a central duct system. Garages, room additions, older homes built without ductwork, and converted spaces are all good candidates for a ductless mini-split system. A mini-split delivers heating and cooling directly to the space without relying on ducts, which makes it flexible and efficient for the right application.
We install and service ductless mini-split systems throughout the Buda area. If your mini-split is not cooling, not heating, making unusual sounds, or showing an error code, we can diagnose and repair it. For new installations, we assess the space, recommend the right capacity, and handle the full setup from mounting the indoor head to connecting the outdoor unit.
Leaky or damaged ducts are one of the most common causes of uneven temperatures, high energy bills, and rooms that never seem to get comfortable. When conditioned air escapes before it reaches the living space, your system works harder and delivers less. We inspect, repair, and seal ductwork to restore proper airflow and bring your system back to full efficiency. If ducts are beyond repair, we handle ductwork replacement as well.
Your thermostat is the command center for your entire HVAC system. An outdated or malfunctioning thermostat can cause short cycling, inaccurate temperature readings, and wasted energy. We install and replace standard thermostats, programmable models, and smart thermostats including popular options like Nest and Ecobee. A smart thermostat upgrade gives you better control over your comfort and can reduce energy use without sacrificing convenience.
The air inside your home can carry dust, allergens, mold spores, and other particles that affect your family's health and comfort. We install air filtration systems, air purifiers, UV light systems, and whole-home dehumidifiers to improve what you breathe every day. In a climate like Central Texas, where humidity levels can climb significantly during the warmer months, a whole-home dehumidifier makes a noticeable difference in comfort and helps protect your home from moisture-related issues. We back every installation with a workmanship guarantee on every HVAC job, so you can feel confident the work was done right.
Property managers, small business owners, restaurant operators, and office tenants all rely on a functioning HVAC system to keep their spaces comfortable and their operations running. We provide commercial HVAC repair, service, and maintenance for businesses throughout Buda and the surrounding area.
Commercial systems have their own demands: rooftop units, larger equipment, and the pressure of keeping a business open while repairs are underway. We understand that downtime costs money, and we work efficiently to minimize disruption. Whether you manage a single retail space or a multi-unit property, we can handle routine maintenance, emergency repairs, and full system replacement. We're ready to get your heating and cooling running again.
Before a small issue turns into a full breakdown, a seasonal tune-up gives your system a chance to be inspected, cleaned, and adjusted. We offer both spring AC tune-ups and fall heating tune-ups, timed to get your equipment ready before the season puts it to work.
A spring tune-up covers the condenser coils, refrigerant levels, electrical connections, airflow, and overall system performance. A fall heating tune-up checks the heat exchanger, burners, ignition components, and controls. In Central Texas, where the cooling season runs long and starts early, getting the AC serviced before the first heat wave of the year is especially worthwhile.
We show up on time and ready to work, and every maintenance visit includes a clear summary of what we found and what, if anything, needs attention. No pressure, no surprises, just an honest assessment of where your system stands.
Some HVAC problems cannot wait until Monday morning. A system that goes down in extreme heat or a furnace that stops working on a cold night is an emergency, and we treat it like one. We are available around the clock for no-heat and no-cool calls, same-day service requests, and after-hours situations where waiting simply is not an option.
When you call us for an emergency, we aim to get a technician to you as quickly as possible. We will give you an honest estimate of arrival time and keep you updated. Our technicians come prepared to diagnose and repair on the first visit whenever parts and conditions allow.
You book it. We fix it. Simple as that.
We're ready to get your heating and cooling running again.
If you've never hired an HVAC company before, cost is usually the first question. We understand that, and we make it a point to explain what a job involves and what it will cost before any work begins. Diagnostic visits are straightforward: we assess the system, identify the issue, and give you a clear picture of your options and the associated costs.
We do not add charges after the fact. If something changes mid-job that affects the price, we stop and talk to you before proceeding. That is how we think the process should work. We back every job with a workmanship guarantee on every HVAC job, and we would rather take the time to explain the estimate than leave you with questions after the invoice arrives. Call (737) 353-9556 to request an estimate or schedule a diagnostic visit.
We started this company in 2019 with a straightforward goal: provide reliable HVAC service to the Buda community and treat every customer the way we would want to be treated ourselves. Seven years later, that has not changed. We have grown alongside Buda, taken on more property types, expanded our service area, and added to our team, but the core of what we do remains the same.
The work is performed by qualified HVAC technicians who take the job seriously. We are not a revolving door of unfamiliar faces. When you call us, you reach someone who knows the area, knows the equipment, and is accountable for the outcome.
We are proud of the reputation we have built in Hays County, and we work hard to earn it on every call. Trusted, reliable, and locally rooted: that is what we aim to be every time we pull into a driveway or a parking lot in this community.
We are based in Buda and serve homeowners and businesses throughout Hays County, including Kyle, San Marcos, Wimberley, Dripping Springs, Manchaca, Sunset Valley, and the south Austin corridor. If you are in the area and need HVAC service, there is a good chance we are already nearby. Call us to confirm coverage for your address and get a technician scheduled.
We have been serving Buda and the surrounding Hays County communities since 2019. In those seven years, we have worked on homes, rental properties, small businesses, and commercial spaces throughout the area.
Yes, we work throughout Buda and the surrounding communities regularly, including Kyle, San Marcos, Wimberley, Dripping Springs, Manchaca, and the south Austin corridor. Knowing the area means we can give you a realistic arrival window and get to you without delay.
Every HVAC job we complete comes with a workmanship guarantee. If something we did is not right, we come back and make it right. We are not done with a job until the system is tested and performing the way it should.
If something is not right after we finish a job, call us and we will address it. We stand behind our work and take callbacks seriously. Our goal is for every customer to feel confident that the job was done correctly before we leave, and that we are accountable if it was not.
We pick up the phone when you call, every day from 5:30 AM to 11:00 PM. For emergency situations, we work to get a technician dispatched as quickly as possible. For standard scheduling, we aim to get you on the calendar promptly and confirm your appointment before we hang up.
Yes, we are locally owned and based in Buda. We are a local crew, and we pick up when you call. When something needs to be made right, you are reaching the people who actually do the work, not a regional office.
Cavalry Heating & Air Conditioning is ready to take your call. Whether you need emergency repair, a seasonal tune-up, or a full system replacement, reach out to us at (737) 353-9556 and we will get you scheduled. We are here to help Buda and Hays County stay comfortable all year long.
Simple booking. Clear pricing. Reliable, lasting comfort.
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