Licensed & Insured Hvac in San Marcos, TX

San Marcos's Hvac Team That Shows Up On Time

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

✓ Licensed & Bonded
✓ 24/7 Emergency Line
✓ No Hidden Fees
72°
Dialed In
Professional Hvac technician working in San Marcos, TX
24/7Dispatch Availability
60-MinAverage Arrival Window
Top-RatedLocal Reputation
100%Licensed & Insured
Booking A Service Call

A Simple Process, Start To Finish

1. Call & Describe The Problem

Call +1-866-805-8548 and describe what your system is doing — the symptoms help us send a tech prepared with the right parts.

2. We Inspect And Explain

You'll get a flat-rate quote before any repair work begins — no guessing what the final bill will look like.

3. Repair & Follow-Up

Warranty details are explained clearly so you know exactly what's covered going forward.

About Leonard HVAC

The Hvac Team San Marcos Homeowners Actually Trust

Leonard HVAC didn't start as a franchise chasing volume. We invest in ongoing training so our techs recognize a failing capacitor, a cracked heat exchanger, or a refrigerant leak before it turns into an emergency.

We're not the biggest name in San Marcos — we're the company that tells you what actually needs fixing instead of what pads the ticket. 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, residential or commercial.

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. We keep parts inventory stocked based on what actually fails most often on San Marcos's housing stock.

State-CertifiedDocumentation available on request
Always On CallReal humans answer, not a voicemail loop
No Surprise FeesWhat we quote is what you pay
San Marcos-Based CrewsFaster arrival because we're already nearby
Our Services

Complete Hvac Coverage for San Marcos Homes & Businesses

Every service below is backed by the same licensing, warranty, and upfront pricing you get on any job we run.

24/7

Emergency Hvac Repair

A dead system in the middle of a heat wave or a cold snap isn't just inconvenient — it can be a real safety issue for kids, pets, and older residents. 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.

  • After-hours and weekend dispatch
  • Electrical and control board diagnostics
  • Transparent emergency pricing before work begins

Once a technician is on-site, the goal is always a same-visit repair — most emergency calls in San Marcos get resolved in a single trip, not a multi-day back-and-forth.

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

New System Installs & Full Replacements

If your unit is past its expected service life, running loud, or spiking your utility bill, a replacement conversation is worth having. We walk San Marcos homeowners through financing and rebate options where available before a single piece of equipment gets ordered.

  • Ductless mini-split installation
  • Smart thermostat setup and integration
  • Clean, respectful installation crews

Every install ends with a performance test, confirming airflow, temperature split, and refrigerant charge are all where they should be before we consider the job finished.

Reliable Hvac contractor in San Marcos, TX by Leonard HVAC
Facilities

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 priority response for facilities that can't afford downtime.

  • Rooftop unit repair and replacement
  • Energy efficiency assessments for older buildings
  • Single point of contact for multi-location businesses

Property managers working with multiple San Marcos locations can set up a standing account so every site gets consistent service history and pricing.

Affordable Hvac solutions in San Marcos, TX
Air Quality

Maintenance Plans & Specialty Repairs

Most emergency breakdowns start as a small, ignorable warning sign months earlier. Beyond standard tune-ups, we also handle humidifier, dehumidifier, and air purifier installation for San Marcos households that want more than just temperature control.

  • Seasonal tune-ups, spring and fall
  • UV light and filtration system installs
  • Reminder scheduling so nothing gets missed

A tune-up typically takes under an hour and covers the checkpoints most likely to catch a problem before it becomes a breakdown.

Top rated local Hvac specialists in San Marcos, TX
Backed By Us, Not Just Words

A Promise We Actually Stand Behind

This is the standard every San Marcos technician on our team is held to.

Workmanship Warranty

If the same issue returns within the warranty period, we come back and fix it at no additional labor cost.

Fair Pricing, Verified

Emergency dispatch never comes with a hidden surcharge sprung on you after the fact.

We Check Back

A technician doesn't consider the job done until the system is tested and performing correctly.

What To Watch For

How To Tell If Your System Is About To Fail

Catching these signs early usually means a same-day repair instead of an emergency call at the worst possible moment.

Unusual Noises

Rattling during startup often means a component has worked itself loose and needs tightening before it causes real damage.

Some Rooms Never Get Comfortable

Weak airflow from the vents often traces back to a clogged filter, a failing blower motor, or leaking ductwork.

Bills Creeping Up Month Over Month

A tune-up often identifies exactly what's driving the extra energy use.

Frequent On-Off Cycling

A system that won't hold a steady cycle is often fighting a sizing issue, a thermostat problem, or a refrigerant imbalance.

Strange Odors

A musty smell often points to mold or moisture buildup somewhere in the ductwork.

Repeat Breakdowns On The Same System

We'll always tell you honestly when a repair is the better call versus when it isn't.

Why San Marcos Picks Leonard HVAC

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

Quoted Before We Start

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

Fast Local Response

Emergency calls get moved to the front of the line automatically.

Satisfaction Guarantee

If something isn't right after we leave, we come back and make it right.

Real Credentials, Not Just A Uniform

We run background checks because you're letting someone into your home.

You'll Always Know What's Happening

You make the final call — we just make sure you have the full picture.

Financing & Maintenance Plans

Maintenance plan members get priority scheduling and discounted rates.

What San Marcos Says

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. The pricing was exactly what they quoted over the phone."

Danielle R.
San Marcos resident

★★★★★

"Scheduled a fall tune-up and they caught a cracked part before it became a real problem. You can tell these guys actually know what they're doing."

Priya S.
San Marcos, TX

★★★★★

"They handled the whole install in a single day, exactly like they said they would. New system is noticeably quieter and our energy bill actually dropped."

Michael D.
Homeowner in San Marcos

★★★★★

"Commercial dispatch was quick and the tech understood our system without needing to be walked through it. Now our go-to for every property in the portfolio."

San Marcos Property Group
San Marcos, TX

★★★★★

"Got quotes from four different companies for a replacement and this was the only one that actually walked me through the load calculation. Would use them again without hesitation."

Latoya B.
Homeowner in San Marcos

★★★★★

"Diagnosed a failed capacitor and had it swapped within the hour. Genuinely relieved to have found a crew that answers when it matters."

Bradley S.
San Marcos, TX

What Actually Breaks Down

What's Usually Behind A Breakdown

Understanding what typically fails helps homeowners know what to watch for and when a repair call is worth making before things get worse.

Airflow RestrictionWe check this first on nearly every service call
Slow Leaks Over TimeRequires a licensed technician to locate, repair, and properly recharge
Electrical & Capacitor FailuresUsually a quick, affordable fix once diagnosed correctly
Miscalibrated ControlsWe test the thermostat early in every diagnostic to rule this out
Seasonal Tips

Seasonal Hvac Tips for San Marcos Homeowners

The shift between peak heating and peak cooling demand is exactly when older or neglected equipment tends to fail. Before the coldest stretch of the year, a heating system benefits from a full safety inspection, checking the heat exchanger, ignition system, and airflow to catch any issue that could turn into a no-heat emergency.

Setting a programmable or smart thermostat to a consistent schedule reduces the number of times the system has to work hard to catch up to a big temperature swing. None of this replaces a professional tune-up, but it does reduce the wear that leads to premature breakdowns between visits.

Brands & System Types

Not Limited To One Manufacturer

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

The Technicians Behind Every San Marcos Service Call

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

Trusted Hvac service in San Marcos, TX - Leonard HVAC

Lead Residential Technician

Over a decade in residential heating and cooling, with a focus on load calculations and full system replacements.

Trusted Hvac service in San Marcos, TX - Leonard HVAC

Emergency Dispatch Technician

Runs point on overnight and weekend emergency calls throughout San Marcos.

Trusted Hvac service in San Marcos, TX - Leonard HVAC

Facility Service Specialist

Experienced with the light industrial and retail equipment common across the area.

FAQ

Frequently Asked Questions About Hvac in San Marcos

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

For emergency no-heat or no-cool calls, we prioritize dispatch and aim to have a technician on-site the same day, often within a couple of hours.

Do you provide upfront pricing before starting work?

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

What emergency Hvac services are available in San Marcos?

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

Is Leonard HVAC a licensed HVAC contractor?

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?

Our technicians walk you through the actual numbers — repair cost versus remaining system life versus new equipment efficiency — before making a recommendation.

Is a service agreement worth it?

Plan members typically see fewer surprise breakdowns because small issues get caught during routine visits.

What areas around San Marcos do you serve?

We cover San Marcos and the surrounding communities, including the zip codes listed in our coverage section below.

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?

Our technicians are trained across the major residential and commercial equipment lines, not limited to a single manufacturer.

What if I can't pay for a new system all at once?

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

How many times a year should my system be serviced?

Systems that run harder due to heavy year-round use may benefit from more frequent check-ins.

Is there anything I can check myself before you arrive?

Check that the thermostat has power and the batteries aren't dead, and check your breaker panel for a tripped switch before calling.

Will an emergency call cost more?

Ask about current after-hours rates when you call +1-866-805-8548.

How long should I expect the visit to take?

Most standard repairs are completed in under two hours once the technician has diagnosed the issue and you've approved the quote.

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.

Financing

Financing Options for San Marcos Homeowners

We accept standard payment methods for repairs and smaller jobs, and we'll always tell you upfront what a given service is likely to cost so there's no last-minute scramble to figure out payment. 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.

San Marcos Service Area

Serving San Marcos And The Surrounding Area

Coverage extends across San Marcos proper and into the nearby zip codes listed below.

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.

Zip codes served in and around San Marcos: 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

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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