Cavalry Heating & Air Conditioning has been serving Buda and the surrounding communities since 2019, handling everything from a quick AC repair to a full system replacement. Whether you own a home, manage a rental property, or run a small business, we cover the full range of heating and cooling work: air conditioner repair and service, furnace and heating repair, heat pump installation and service, ductwork repair and sealing, thermostat and smart-control installation, indoor air quality, seasonal maintenance, and emergency HVAC calls. We're a local crew, and we pick up when you call. We show up on time and ready to work, and we back every job with clear communication from start to finish. Simple booking. Clear pricing. Reliable, lasting comfort.
Call (737) 353-9556 to schedule service or request an estimate.
Some homes need a full system replacement. Others just need a tune-up. Whatever the situation, we have qualified HVAC technicians ready to diagnose the problem, walk you through the options, and get the work done right.
When your air conditioner stops cooling or starts blowing warm air, the last thing you want is to wait days for a technician. We handle all types of AC repairs: condenser and compressor issues, evaporator coil problems, refrigerant leak diagnosis, and anything in between. If your AC stopped working, give us a call and we'll get a technician out as soon as possible.
A furnace that stops working on a cold night is a real problem, even in Central Texas. We handle no-heat calls, furnaces blowing cold air, air handler and blower issues, and general heating system failures. Our technicians work on all major brands and system types, and we treat every heating call with the same urgency we bring to summer AC emergencies.
Heat pumps handle both heating and cooling, which means a problem with one system affects your comfort year-round. We diagnose and repair heat pumps that aren't heating, aren't cooling, or are cycling incorrectly. Regular heat pump maintenance also helps extend the life of the equipment and keeps efficiency where it should be.
Ductless mini-splits are a practical solution for additions, converted spaces, garages, and areas where running ductwork isn't feasible. We install new mini-split systems, repair existing units, and replace ductless equipment that has reached the end of its useful life.
Leaky or damaged ductwork is one of the most common causes of uneven temperatures and high energy bills. We inspect, repair, and seal ductwork to restore proper airflow throughout the home or building. If certain rooms are always too hot or too cold, the duct system is often where the answer lies.
A thermostat that isn't working correctly can throw off your entire system. We replace faulty thermostats, install smart thermostats, and set up zoning and comfort-control systems that let you manage temperatures by room or by schedule. It's a straightforward upgrade that most customers notice right away.
We install whole-home air filtration systems, air purifiers, and humidity-control equipment to improve the air inside your home or business. If you're dealing with dust, allergens, or air that just doesn't feel clean, there are practical solutions that work with your existing HVAC system.
Preventive maintenance is the best way to avoid a breakdown at the worst possible time. We offer AC tune-ups before summer and furnace tune-ups before winter, along with full HVAC inspections and diagnostic visits. Keeping the system clean, calibrated, and running efficiently extends its life and helps avoid costly repairs down the road.
Clear communication from the first call to the final test is how we approach every service visit. We'll diagnose it, fix it, and test it before we leave.
Before a small issue turns into a full breakdown, it helps to understand which services matter most in this part of Texas and why. Central Texas summers are long, hot, and humid. Winters are mild, but cold snaps arrive fast and without much warning. That combination shapes the type of HVAC work that comes up most often here in Buda and across Hays County.
When a system is aging, breaking down repeatedly, or simply costing more to maintain than it's worth, replacement is usually the smarter call. We handle full HVAC system replacements, including both the heating and cooling sides, so you're not patching one half of an aging setup while the other half is on its way out. New equipment runs more efficiently, and a properly sized and installed system makes a real difference in comfort and monthly costs. We work through the whole process with you, from equipment selection to final testing, so you know exactly what you're getting.
Central Texas is a strong fit for heat pump technology. Winters here are mild enough that a heat pump handles the heating load efficiently, and the same equipment provides cooling all summer. For homeowners and property managers looking to replace an aging system or upgrade to more efficient equipment, heat pump installation is worth a close look. We size, install, and commission heat pump systems and can walk you through how they compare to a traditional split system for your specific situation.
High humidity is a year-round reality in Buda and throughout the Hill Country corridor. Even when the air conditioner is running properly, excess moisture in the air makes the home feel warmer than it is, contributes to indoor air quality problems, and can cause issues with surfaces and materials over time. A whole-home dehumidifier works alongside your existing HVAC system to keep humidity at a comfortable, controlled level. We install and service whole-home dehumidification equipment and can recommend the right solution based on the size and layout of your space.
A workmanship guarantee on every HVAC job is our standard, not a special offer. One call, and a technician is on the way.
Ready to get the comfort back? When the AC goes out in the middle of a Texas summer or the heat stops working on a cold January night, you need someone who can respond quickly. We offer same-day HVAC service for emergency situations, including no-cool calls, no-heat calls, and systems that have stopped working entirely. We handle emergency AC repair, emergency furnace repair, and urgent heat pump service calls. You book it. We fix it. Simple as that. We're ready to get your heating and cooling running again.
Call (737) 353-9556 now for same-day service or emergency HVAC repair.
If you've never hired an HVAC company before, it can be hard to know what to expect. We work with all types of customers across the area: homeowners dealing with a broken AC, landlords who need a rental unit back in working order, property managers coordinating repairs across multiple units, and small business owners who need a commercial system serviced or replaced.
For residential customers, we handle everything from routine tune-ups to full system replacements. For commercial clients, we service rooftop units, packaged systems, and split systems in offices, retail spaces, and light commercial buildings. Landlords and property managers can count on us to respond promptly, communicate clearly, and get the job done without unnecessary back-and-forth. Whatever your situation, we treat the work the same way: show up, diagnose it correctly, and fix it right.
Scheduling an HVAC tech shouldn't be complicated. We keep the process straightforward: call us, tell us what's going on, and we'll get a technician scheduled. We provide honest estimates before any work begins, so there are no surprises when the job is done.
We serve Buda and the surrounding communities throughout Hays County and the southern Austin area, including Kyle, San Marcos, Wimberley, Dripping Springs, Manchaca, and the neighborhoods along the 35 corridor between Buda and Austin. If you're nearby and need heating or cooling work handled by experienced HVAC technicians, we're the local crew that picks up the phone and shows up ready to work.
Warm air blowing from the vents, the system running longer than usual without cooling the space, unusual sounds from the indoor or outdoor unit, ice forming on the evaporator coil, and visible refrigerant leaks are all signs something needs attention. If you notice any of these, calling sooner gives us more to work with and usually means a simpler fix.
A system that runs but does not cool is often dealing with a refrigerant leak, a dirty or frozen evaporator coil, a failing compressor, or a condenser problem that is reducing efficiency. In some cases, the issue is airflow-related and tied to the duct system rather than the equipment itself. A thorough diagnostic visit is the right way to find the actual cause.
Uneven temperatures are usually caused by duct leaks, blocked or undersized registers, poor airflow from the air handler, or zoning issues in the system. In some cases, the equipment is undersized for the home. We inspect both the equipment and the duct system to find where the imbalance is coming from.
A system that has stopped working entirely in extreme heat or cold qualifies as an emergency. No-cool calls during a Central Texas summer and no-heat calls on a cold night are situations we treat with urgency. We are available every day from 5:30 AM to 11:00 PM for emergency HVAC service.
Emergency and after-hours calls may carry a different service rate than a standard daytime appointment. We will let you know what to expect when you call, before a technician is dispatched, so there are no surprises on the invoice.
When a system is more than 15 years old, has needed multiple repairs in a short period, or the cost of the next repair is approaching a significant portion of a replacement cost, replacement is usually the better investment. A new, properly sized system also runs more efficiently, which reduces monthly operating costs over time.
A repair addresses a specific failed component and gets the existing system running again. A replacement removes the aging equipment entirely and installs new, properly sized, and more efficient equipment from scratch. Repair is right for younger systems with isolated problems; replacement makes more sense when the equipment is aging, inefficient, or failing repeatedly.
A heat pump moves heat rather than generating it. In summer, it pulls heat out of the home and releases it outside, functioning like a standard air conditioner. In winter, it reverses that process and pulls heat from the outdoor air into the home. For Central Texas, where winters are mild, a heat pump handles the heating load efficiently without the limitations it would face in a colder climate.
Central Texas is a strong fit for heat pump technology. The mild winters here mean a heat pump can handle the heating load reliably, and the same system provides cooling all summer. For homeowners replacing an aging split system or looking for a more efficient setup, heat pump installation is worth a close look.
A portable dehumidifier handles one room. A whole-home dehumidifier integrates directly with the existing HVAC system and manages moisture throughout the entire house automatically, without requiring you to empty a reservoir or move the unit around. In Buda and the surrounding area, where humidity is a year-round concern, this is the more practical long-term solution.
Cavalry Heating & Air Conditioning is ready to help with any heating or cooling job, large or small. Call (737) 353-9556 to schedule service or request an estimate. 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