Licensed & Insured Emergency Hvac in San Marcos, TX

San Marcos's Emergency Hvac Team That Shows Up On Time

No overselling, no guesswork — just a Emergency Hvac crew that diagnoses it right the first time. Priority scheduling available across San Marcos and the surrounding zip codes.

✓ Fully Certified Crews
✓ Nights & Weekends Covered
✓ Flat-Rate Quotes
72°
Set & Ready
Professional Emergency Hvac technician working in San Marcos, TX
24/7On-Call Techs
60-MinDispatch Window
5-StarCustomer Reviews
100%Upfront Pricing
What Happens After You Call

A Simple Process, Start To Finish

1. Call & Describe The Problem

Our San Marcos dispatcher asks a few quick questions to gauge urgency and get you the fastest available window.

2. We Inspect And Explain

Ask as many questions as you want; we'd rather over-explain than leave you unsure.

3. Job Finished, Then Checked Again

If anything feels off after we leave, a follow-up call gets a technician back out to make it right.

Local & Licensed

A Local Emergency Hvac Crew Built for San Marcos's Climate

Leonard HVAC grew one honest service call at a time in communities like San Marcos. Our crews carry manufacturer certifications across the major residential and commercial equipment lines.

We're not the biggest name in San Marcos — we're the crew that answers the phone at 2am when your furnace quits in the middle of a cold snap. Every job we run is backed by full liability coverage and current state licensing, and we keep that documentation available on request for every job, big or small.

San Marcos's climate swings hard, and generic national playbooks don't always fit. That local knowledge shapes the maintenance schedules we recommend — it's the difference between a tech who's guessing and a tech who's seen your exact situation a hundred times before.

Ask around San Marcos and you'll hear the same complaint about a lot of HVAC companies. That's the gap we built Leonard HVAC to close. We'd rather lose a job to a lower bid than win one by cutting corners on the diagnosis, because a customer who trusts us once tends to call us again — and San Marcos is a small enough community that reputation travels fast.

When you call +1-866-805-8548, you're talking to someone who understands the local permitting process, the common equipment brands installed in San Marcos homes, and realistic scheduling given local demand. Our warranty and service history records stay attached to your address, so any future technician who visits already has the full picture.

Licensed & InsuredDocumentation available on request
24/7 AvailabilityReal humans answer, not a voicemail loop
Flat-Rate QuotesYou approve the price before we start the work
San Marcos-Based CrewsTechnicians who know the local housing stock
Our Services

From Emergency Repairs To Full Installs

Whether it's a mid-summer breakdown or a planned system replacement, our San Marcos techs handle it with the same level of care.

Priority

24/7 Emergency Heating & Cooling Repair

When your Emergency Hvac system fails without warning, waiting days for an appointment isn't an option. Our San Marcos dispatch team moves emergency tickets to the front of the schedule so a technician is diagnosing your system as fast as physically possible.

  • Same-day diagnostic and repair
  • Refrigerant leak detection and repair
  • Temporary fixes when parts require special order

If a specialty part genuinely does need to be ordered, we'll set up a safe temporary fix and give you a real timeline instead of leaving you guessing.

24/7 Emergency Emergency Hvac experts in San Marcos, TX
Residential

Residential Emergency Hvac Installation & Replacement

Not every repair call ends in a repair — sometimes the honest recommendation is a properly sized replacement. We walk San Marcos homeowners through load calculations so the new system is sized correctly for the actual square footage before a single piece of equipment gets ordered.

  • Heat pump and hybrid system installs
  • Smart thermostat setup and integration
  • Manufacturer warranty registration handled for you

We protect floors and entryways during the install and haul away the old equipment so you're not left dealing with disposal.

Reliable Emergency Hvac contractor in San Marcos, TX by Leonard HVAC
Business

Commercial Climate Control Solutions

Commercial equipment operates differently than a residential unit, and it needs technicians who actually understand rooftop packages and multi-zone systems. Our commercial division services multi-zone commercial buildouts across San Marcos, with service agreements built around your operating hours.

  • Multi-zone building system service
  • Preventive maintenance contracts for property managers
  • Single point of contact for multi-location businesses

We understand that a commercial call isn't just about comfort, it's about keeping a business open.

Affordable Emergency Hvac solutions in San Marcos, TX
Maintenance

Preventive Maintenance & Specialized Solutions

A seasonal tune-up catches the kind of wear that turns into a mid-summer no-cool call. Beyond standard tune-ups, we also handle indoor air quality upgrades for homes with allergy or asthma concerns for San Marcos households that want more than just temperature control.

  • Multi-point safety and efficiency inspections
  • UV light and filtration system installs
  • Discounted repair rates for plan members

We'll show you photos of anything concerning we find, along with a plain-language explanation of what it means and whether it's urgent.

Top rated local Emergency Hvac specialists in San Marcos, TX
Our Guarantee

What Happens If Something's Not Right

Guarantees only mean something if a company actually honors them, so here's exactly what ours covers.

Repairs That Are Guaranteed

Every repair comes with a workmanship warranty explained in plain terms before we leave.

Fair Pricing, Verified

We quote a flat rate before work begins and that number doesn't change once you approve it.

We Check Back

If anything feels off after we leave, one call gets a tech back to your San Marcos address.

Warning Signs

How To Tell If Your System Is About To Fail

Most breakdowns don't happen without warning — they announce themselves for weeks before the system actually quits.

Unusual Noises

Ignoring new noises is one of the fastest ways to turn a small repair into a major one.

Airflow That's Dropped Off

This is one of the most common complaints we hear on service calls across San Marcos.

Bills Creeping Up Month Over Month

Gradual efficiency loss is easy to miss month to month, but it adds up fast over a season.

Short Cycling

This is one of the warning signs we recommend not waiting on.

Strange Odors

Chemical odors may signal a refrigerant leak, which requires a licensed technician to handle safely.

Frequent Repairs

Repeated repairs on an aging system are usually the clearest sign that replacement will save more money than another patch job.

Why Choose Us

The Difference Between A Repair That Sticks And One That Doesn't

No Surprise Invoices

You'll know the cost before a wrench touches your system.

Dispatch From Nearby, Not Across Town

Because our trucks are stationed near San Marcos, we're rarely far from your address.

We Stand Behind Every Repair

We don't consider a job finished until the system is actually performing correctly.

Real Credentials, Not Just A Uniform

Our techs recognize brand-specific quirks instead of learning your system on the job.

No Jargon, No Runaround

Photos and plain-language notes accompany every diagnostic.

Flexible Options For Every Budget

Maintenance plan members get priority scheduling and discounted rates.

Reviews

Reviews From Around San Marcos

A snapshot of the feedback that keeps us accountable.

★★★★★

"Our AC quit on the hottest weekend of the year and they had a tech out within a couple of hours. Fixed on the first visit and explained everything in terms I could actually understand."

Marcus T.
San Marcos resident

★★★★★

"We've used them for our maintenance plan for two years now and never had a surprise breakdown. You can tell these guys actually know what they're doing."

Robert K.
Homeowner in San Marcos

★★★★★

"Had a full system replacement done and it was the smoothest home project I've had in years. Followed up a week later just to check everything was still running fine."

Steven O.
San Marcos resident

★★★★★

"As a property manager, having a company that actually answers after-hours calls is rare. Kept our kitchen running through the weekend rush."

San Marcos Property Group
Commercial client

★★★★★

"Got quotes from four different companies for a replacement and this was the only one that actually walked me through the load calculation. Installation crew was in and out in a day and left the space cleaner than they found it."

Rachel P.
Homeowner in San Marcos

★★★★★

"The tech walked me through what he was checking as he went, which I really appreciated. Genuinely relieved to have found a crew that answers when it matters."

Omar F.
San Marcos, TX

Common Causes

What's Usually Behind A Breakdown

None of these are unusual or embarrassing — they're just the normal wear and tear that comes with running a system through San Marcos's seasonal swings.

Dirty or Clogged FiltersWe check this first on nearly every service call
Low Refrigerant ChargeA system low on refrigerant loses cooling capacity and puts extra strain on the compressor
Motor StrainOften shows up as clicking sounds or a system that hums but doesn't turn on
Thermostat MalfunctionsWe test the thermostat early in every diagnostic to rule this out
Keeping Your System Healthy Year-Round

Seasonal Emergency Hvac Tips for San Marcos Homeowners

San Marcos's seasonal swings put real stress on a system that isn't maintained regularly. Before the heaviest cooling months hit, it's worth having the refrigerant charge checked, the condenser coils cleaned, and the filter replaced — all of which directly affect how hard the compressor has to work.

Keeping vents unblocked by furniture and rugs helps maintain even airflow throughout the home. None of this replaces a professional tune-up, but it does reduce the wear that leads to premature breakdowns between visits.

Brands & System Types

We Service Every Major System Type

Our technicians train across the major residential and commercial equipment lines, so you're not limited to a single brand's service network. If your system was installed by a different company entirely, that's not a problem — we service equipment regardless of who originally put it in, and we'll pull the model and serial information to confirm parts compatibility before any repair begins.

Who's Coming To Your Door

Meet The People Doing The Work

Here's a look at the kind of experience that shows up at your door.

Trusted Emergency Hvac service in San Marcos, TX - Leonard HVAC

Lead Residential Technician

Handles the majority of San Marcos installs and specializes in properly sizing equipment for older housing stock.

Trusted Emergency Hvac service in San Marcos, TX - Leonard HVAC

Emergency Dispatch Technician

Known for fast, accurate diagnostics on no-heat and no-cool breakdowns.

Trusted Emergency Hvac service in San Marcos, TX - Leonard HVAC

Rooftop Unit Lead

Focuses on commercial rooftop units, multi-zone systems, and facility maintenance contracts.

Before You Call

Questions San Marcos Customers Ask Us Most

How fast can a Emergency Hvac technician arrive in San Marcos, TX?

Standard appointments are usually scheduled within 24-48 hours, while true emergencies jump the queue.

How does your pricing work?

Our policy is simple: you approve the number before we touch the system.

What emergency Emergency Hvac services are available in San Marcos?

We staff after-hours dispatch specifically because HVAC failures rarely happen on a convenient schedule.

Are your technicians licensed and insured?

Yes — licensing and insurance documentation is available on request for any job, residential or commercial.

How do I know if I need a repair or a full replacement?

As a general guideline, if a system is past 12-15 years old and facing a costly repair, replacement often makes more financial sense.

Do you offer maintenance plans in San Marcos?

Ask your technician about current plan pricing during any service call.

How far do your technicians travel?

If you're unsure whether your address falls in our service area, a quick call to +1-866-805-8548 will confirm it.

Can you service both residential and commercial systems?

Property managers and business owners can request a dedicated point of contact for ongoing service.

Do you service all HVAC brands or only certain ones?

Yes, we service systems regardless of who originally installed them.

Do you offer financing for new system installations?

We understand a full system replacement is a significant expense, which is why flexible payment options exist.

How often should I schedule maintenance in San Marcos?

Most San Marcos homes benefit from two tune-ups a year — one before cooling season and one before heating season.

Is there anything I can check myself before you arrive?

Beyond basic safety checks, it's best to leave diagnosis to a licensed technician rather than attempting a repair yourself.

Is there an overnight or weekend surcharge?

We'd rather quote it honestly on the phone than have you feel ambushed by the bill.

How long does a typical repair take once the tech arrives in San Marcos?

More involved repairs, like a coil replacement or a refrigerant leak repair, take longer and the tech will give you a realistic estimate before starting.

Is my presence required during the appointment?

For most residential visits, yes, an adult should be present to grant access and approve any quoted work.

Close To Home

Wherever You Are In San Marcos, We're Close By

From the older, established streets near the center of San Marcos to the newer developments on the outskirts, our trucks cover the full footprint of the city.

We also work regularly with homeowners associations, property management companies, and multi-unit buildings throughout San Marcos.

Making A Replacement Affordable

Spreading Out The Cost Of A New System

A full system replacement is one of the bigger home expenses most people face, and we don't expect everyone to pay it in a single lump sum. If a rebate or local incentive program applies to your San Marcos installation, our technicians will flag it during the estimate rather than leaving you to track it down after the fact.

Where We Work

Serving San Marcos And The Surrounding Area

If your address falls within San Marcos, TX and near San Marcos, there's a strong chance we already service your street.

If you're on the edge of our listed zip codes, it's still worth a call, since routes and coverage get adjusted as demand shifts.

We currently dispatch to the following San Marcos-area zip codes: 78666 78656 78667
San Marcos (/ˌsæn ˈmɑːrkəs/) is a city and the county seat of Hays County, Texas, United States. The city is a part of the Greater Austin Metropolitan Area. San Marcos's limits extend into Caldwell and Guadalupe Counties, as well. San Marcos is on the Interstate 35 corridor between Austin and San Antonio. Its population was 44,894 at the 2010 census and 67,553 at the 2020 census. Founded on the banks of the San Marcos River, the area is thought to be among the oldest continuously inhabited sites in the Americas. San Marcos is home to Texas State University and the Meadows Center for Water and the Environment.

Zip Codes in San Marcos, TX that we also serve: 78666 78656 78667

Cities Close To San Marcos, TX That We Also Serve


Emergency Hvac Express #1
★ 4.9 (120+ Reviews)
Dispatch Center, TX
Call +1-866-805-8548
Emergency Hvac Express #2
★ 4.9 (120+ Reviews)
Dispatch Center, TX
Call +1-866-805-8548
Emergency Hvac Express #3
★ 4.9 (120+ Reviews)
Dispatch Center, TX
Call +1-866-805-8548
Emergency Hvac Express #4
★ 4.9 (120+ Reviews)
Dispatch Center, TX
Call +1-866-805-8548
Emergency Hvac Express #5
★ 4.9 (120+ Reviews)
Dispatch Center, TX
Call +1-866-805-8548
Emergency Hvac Express #6
★ 4.9 (120+ Reviews)
Dispatch Center, TX
Call +1-866-805-8548

Our Services in San Marcos, TX

System down? We're on it +1-866-805-8548
🟢 Techs On Duty in San Marcos, TX Call +1-866-805-8548