(737) 344-9567

HVAC in San Marcos, TX

AC Down? Furnace Out? We Make It Simple

A furnace that quits on a cold night can't wait until next week. San Marcos HVAC responds fast with the parts and expertise to repair or replace your system before the house goes cold.

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Same-Day Appointments Any Make & Model Upfront Pricing
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Same-Day & Emergency Service
★★★★★ 4.9 / 5 stars (150+ reviews)
4.8 ★ Average Rating
3,000+ Systems Serviced
Same-Day Service Available
Experienced Techs
Heating & Cooling Experts
Upfront Pricing
Local & Family-Owned
Fast Response
Our team of technicians providing HVAC in San Marcos, TX

Trusted by Local Homeowners

A broken AC or furnace doesn't wait, and neither should your service company. With technicians based around the San Marcos area, we provide fast, reliable service and hands-on care from experienced pros who know the climate and housing stock of our region.

1,000+Systems Installed
LocalTechnicians
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Full-Service HVAC Care

Whatever your system needs, a quick fix, a smart upgrade, or a full replacement, our team covers it start to finish with workmanship that lasts.

Heating Repair

Heat pumps, furnaces, and boilers brought back to steady, even heat.

AC Installation

Central air installs with the charge, airflow, and drainage verified.

Air Duct Cleaning

Cleaner air and better airflow, with the debris actually removed.

AC Repair

Cold air back fast, with the common parts already on the truck.

HVAC Repair

Repairs for any heating or cooling system, diagnosed with real testing instead of guesswork.

Ductless Mini Split Installation

Mini-splits for the rooms that never get comfortable.

HVAC Maintenance

Seasonal tune-ups that catch small problems before they strand you.

Furnace Repair

Igniters, flame sensors, blowers, and boards fixed, most in one visit.

HVAC Replacement

Honest repair-or-replace advice, and clean changeouts when it's time.

Heat Pump Installation

Year-round heating and cooling from one efficient system.

HVAC Installation

New HVAC systems, sized, sealed, and commissioned the right way.

Furnace Installation

High-efficiency furnaces sized for your home and vented correctly.

Looking for a reliable HVAC company?

  • Repairs and Installations
  • All-Brand Service
  • Transparent Rates
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4.8/5150 reviews

The Two Repairs We Get Called For Most

Most of the calls we answer come down to two things: a house that won't cool, or a house that won't heat. Here's how we handle both.

AC Repair in San Marcos

A dead air conditioner on a hot afternoon is the call we run most. The usual culprit is a small electrical part, a capacitor or contactor, that our trucks carry, so most AC repairs are finished in one visit. You get a clear price before any work starts, and if the system is old enough that replacement makes more sense, we'll show you both numbers.

  • Warm air coming from the vents
  • Outdoor unit humming but not starting
  • Frozen coil or iced-over lines
  • Condensate backing up around the air handler
AC repair costs and common fixes

Furnace Repair in San Marcos

When the furnace clicks but never lights, lights and shuts off, or runs without warming the house, the cause is usually one component. We test the ignition, airflow, and safety controls to find it. Every visit includes a safety check of the burners and venting, and you'll know the price before we start.

  • Furnace clicks but never lights
  • Short cycling on and off
  • Cold air from the vents in heating mode
  • Loud banging, squealing, or grinding at startup
Furnace repair pricing and details

Recognize These HVAC Warning Signs?

Most failures start small and give you clues first. Below are the warning signs local homeowners run into most, and any one of them is reason enough to call us for a closer look.

15+ Years in Business
4,500+ Systems Repaired & Installed
Same Day Service Available
98% Problems Solved

Why Homeowners Trust Us

Same-Day Response

An HVAC system never fails at a convenient time. We schedule fast, show up on time, and arrive with the parts to finish the job.

Local Experts

The person at your door knows HVAC inside and out, from superheat readings to error codes, because we hire seasoned pros and keep them sharp on the methods that actually work.

No Upsell, Ever

Plenty of companies sell a new system the moment yours hiccups. We diagnose first, explain what actually failed, and only recommend replacement when the math genuinely favors it.

Thorough, Lasting Work

Lasting comfort comes from fixing the cause, not the symptom. We find why your system failed and shut that down for good, then back the work with a real guarantee.

Local Experience That Makes a Difference

HVAC work in San Marcos isn't a side market for us, it's the core of what we do here. We've built our reputation one home at a time, learning how local weather and local construction wear on these systems, so the service you get is tuned to this area rather than copied from a national playbook.

Knowing San Marcos is half the job. We've learned which neighborhoods run undersized ducts, how the local climate loads systems season to season, and what inspectors here look for on permits, and we put that knowledge to work on every job so it's done right the first time.

Ready to Talk to a Local Expert?

One call connects you with a nearby technician who can size up the problem and get you a quote.

Call (737) 344-9567
★★★★★ Rated 4.8/5 by local homeowners
HVAC in San Marcos, TX: HVAC technician walking up to a home with his tools
12+ Years Serving the Area
Upfront Pricing & Quotes
Same-Day Service Available
97% Customer Satisfaction

From First Call to Total Comfort

From the first call to the final airflow check, our method is built to solve the problem completely the first time.

Homeowner reviewing repair options with a technician in San Marcos, TX
01

Tell Us What's Happening

Reach us at (737) 344-9567. We'll ask what the system is doing, give honest first guidance over the phone, and set up a visit at your convenience.

02

On-Site Assessment

A technician evaluates the unit on-site, confirms exactly what's wrong, and lays out a plan and a price before any work begins.

03

Fix It Right

From swapping a contactor to setting a new condenser, every job gets the same standard: right parts, right sizing, right workmanship.

04

Test & Protect

The job isn't done until conditioned air is flowing and verified. We'll also show you the simple habits, and offer the maintenance schedule, that add years to the system's life.

Call (737) 344-9567

Upfront pricing · Same-day service available

Why Fast Response Matters in San Marcos

Speed matters when the temperature is climbing or dropping. This is the sequence our team runs through, from the moment your call comes in to the moment your system is running again.

The call

We Pick Up Fast

The first call is where it all starts. Someone on our team picks up, works out how urgent the situation is, and schedules the soonest visit available, while telling you the few simple things to do in the meantime.

Right away

Prompt On-Site Visit

Your technician shows up ready to work, not just to look. The common failure parts ride on every truck, so the visit moves straight from diagnosis into repair.

The visit

Diagnosis and Repair

The fault is identified, capacitor, motor, refrigerant leak, control board, or the compressor itself. Right away, we complete the repair on the spot whenever parts allow, or quote the replacement with real numbers if the unit is done.

Ongoing

Lasting Protection

We verify the fix held and answer any questions after the visit. For older systems we recommend a maintenance schedule to catch the next problem while it's still small, which matters most for equipment working through hard seasons.

No Cooling Right Now?

HVAC systems don't fix themselves. Pick up the phone and we'll line up fast, reliable service before the problem grows.

Call (737) 344-9567

Our Customers Speak for Themselves

★★★★★
4.8 out of 5 · 150 reviews

"Our restaurant's rooftop unit failed on a Friday with a full weekend of reservations booked. Their team got it running the same day. They clearly understood what downtime costs a San Marcos business, and they came back the next week to fully service the second unit. They've got all our locations now."

MT
Marcus T.
San Marcos, TX

"The furnace kept short-cycling, kicking on and off every few minutes and never really warming the house. The technician diagnosed an overheating issue in minutes and sorted it in one visit. It runs like new now, and he showed me which filter to buy going forward."

SO
Steve O.
San Marcos, TX

"The furnace quit at 11 pm with the temperature dropping fast and a newborn in the house. They answered right away and talked me through checking the thermostat and breaker, then had a technician out first thing. We had heat again by mid-morning. Absolute pros."

DH
Dana H.
San Marcos, TX

Built on Trust, Backed by Results

Your home runs on this equipment every single day. Here's why local families choose San Marcos HVAC.

Experienced Technicians

Real experience isn't optional on our team. It means every technician understands sizing, airflow, and combustion, installs to local code, and stands behind every repair at a level most companies don't reach.

Right-Sized, Code-Compliant Work

Effective doesn't have to mean oversold. We size systems honestly and install them to code with quality fittings and clean workmanship, so you get reliable comfort with minimal disruption to your household.

Maintenance That Pays for Itself

We don't wait for failures to profit from them. Every maintenance visit is built around your system's age and condition. For hard-working systems, a $40 capacitor caught early can save a $2,000 compressor. Period.

Serving San Marcos and Surrounding Communities

We cover every community listed below with same-day and scheduled HVAC service.

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HVAC Service in Fort Worth

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HVAC Service in San Antonio

Reliable comfort solutions for San Antonio homeowners. From quick repairs to full system replacements and upgrades.

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HVAC Service in Houston

Houston's go-to team for AC repair, furnace service, heat pumps, and mini-splits. Same-day appointments available.

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HVAC Service in El Paso

Keeping El Paso comfortable in every season. Diagnose, repair, replace, done right the first time.

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HVAC Tips for San Marcos Homeowners

What our team wants every homeowner to know about heating and cooling.

Your Questions, Answered

Most air conditioner repairs in San Marcos run between $150 and $650, depending on the part. Common fixes like capacitors, contactors, and fan motors sit at the lower end, while compressor and refrigerant work costs more. If the system is beyond economical repair, full replacement typically ranges from $5,000 to $12,000 installed depending on size and efficiency. We diagnose first and give you a clear, upfront quote before any work begins.
A good rule of thumb: if the system is under 10 years old and the fix is a component, capacitor, motor, igniter, sensor, repair usually makes sense. If the compressor or heat exchanger has failed, the unit is past 12 to 15 years old, or repairs are stacking up season after season, replacement is the smarter investment. Our technicians walk you through both numbers honestly so you can decide with real information.
We offer same-day and emergency HVAC service throughout the San Marcos area. Our trucks carry the most common parts, capacitors, contactors, igniters, flame sensors, and universal motors, so the majority of repairs are completed in a single visit. Even full system replacements are usually scheduled within days, not weeks.
For many San Marcos homes, yes. Modern heat pumps heat and cool from a single system, run far more efficiently than electric resistance heat, and current models perform well even in cold weather. They cost more upfront than a basic AC swap, which is why we run the numbers on your actual usage and utility rates before recommending one.
Yes. Our technicians work on all major residential and commercial brands and system types, central air conditioners, gas and electric furnaces, heat pumps, packaged units, and ductless mini-splits. We carry universal parts on the truck and can source brand-specific components quickly when needed.

Don't Wait for the Weather to Win.

The sooner you call, the sooner the house feels right again. Our experienced team offers same-day service and upfront pricing.

Call (737) 344-9567 Now
AC Down? Call NowSame-Day Service Available