Always Thayer for you!
Trusted HVAC Company in New Braunfels, TX
- Same-Day Service
- Upfront Pricing
- 1-Hour Arrival Windows
Our Featured HVAC Services
As a trusted HVAC Company serving New Braunfels and the surrounding Hill Country communities, Thayer Air Conditioning brings dependable heating and cooling solutions to homes and businesses that count on comfort year round. Our team handles everything from routine tune-ups and repairs to full system installations, always backed by honest recommendations and clear communication at every step. Whether it's a sudden breakdown in the middle of summer or a seasonal furnace check before winter sets in, our technicians bring the same level of care, precision, and respect for your home to every job. When you need comfort you can count on, we're the team ready to deliver it, day or night.
Heating
Cooling
Emergency Services
Professional HVAC Company in New Braunfels, TX for Homes & Businesses
As a professional HVAC company in New Braunfels, TX, Thayer keeps homes and businesses comfortable through every season with dependable heating and cooling services built around quality and long-term value.
From fast AC repair, compressor and capacitor replacements, full system installations, AC maintenance, and tune-ups to furnace repair & replacement, heat pump services, and emergency HVAC repair, our team handles comfort problems the right way.
We also provide indoor air quality solutions, ductwork installation, thermostat upgrades, and ductless mini split installations for residential and commercial HVAC systems. With clean installs, accurate diagnostics, honest recommendations, and strong guarantees, we deliver HVAC solutions made to last.
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Experience the Thayer Difference with Our HVAC Services
We are a family owned New Braunfels HVAC company built on trust, consistency, and doing right by our neighbors. Our reputation comes from showing up prepared, communicating clearly, and standing behind our work long after the job is done. Homeowners choose us because they want a go to HVAC partner, not a revolving door of technicians or sales pressure.
What sets us apart
- Local team with deep roots in the New Braunfels community
- Honest recommendations focused on comfort and system longevity
- Clean, professional technicians who respect your home and time
We believe comfort should feel simple and confident. When you call us, you know exactly who you are getting and why it is done right the first time.
Experience the Thayer Difference
Striving for 5-Star Service – Every Time!
Honesty
Transparent solutions for your peace of mind.
Quality
Transparent solutions for your peace of mind.
Service
Transparent solutions for your peace of mind.
Timeliness
Efficient solutions delivered on your schedule.
Thayer Comfort Membership
Whole Home Coverage –
$199/yearly or $16.99/Month
- Covers up to 2 HVAC Systems
- That’s just 55 cents a day for complete home comfort protection.
Why Homeowners Enroll?
Members never pay the standard $99 diagnostic fee.
Front-of-line scheduling during peak demand.
No emergency dispatch fees for members.
Added protection on qualifying repairs longer for peace of mind.
Professional inspections to help maintain efficiency and reduce breakdown risk.
Earn $100 per active year (up to $500) toward future system upgrades or IAQ improvements.
What Your Neighbors Are Saying About Us
Areas We Serve
- Bulverde
- Canyon Lake
- Cibolo
- Garden Ridge
- Hollywood Park
- Live Oak
- New Braunfels
- North San Antonio
- San Marcos
- Schertz
- Seguin
- Selma
- Stone Oak
- Timberwood Park
- Universal City
Our Most Popular Blog Posts

Why Regular AC Filter Replacement Keeps New Braunfels, TX Homes Cool and Efficient
Replacing your AC filter every 1 to 3 months keeps a New Braunfels, TX home cooler and takes strain off the air conditioner. A clean filter lets air move freely through the system, which protects cooling capacity and holds energy use steady. A clogged filter reverses that. Airflow drops, the equipment runs longer to hit the same temperature, and the dust it should have captured circulates through the house instead. In New Braunfels, TX, where the cooling season runs long and summer humidity stays high, that one small task carries real weight. Why Does Your AC Filter Matter So Much? Your filter protects two things at once: the air your family breathes and the equipment that cools your New Braunfels home. It captures dust, pollen, and pet dander before any of it travels through the ductwork, so your living spaces stay cleaner and easier to breathe in. The same filter

Is Your Air Handler Struggling? Warning Signs Bulverde, TX Homeowners Shouldn’t Ignore
Your air handler is the indoor half of a split system, meaning the blower, the evaporator coil, and the filter housing, and in most Bulverde, TX homes, it sits in the attic, a hall closet, or the garage. A struggling air handler tells you so through weak or uneven airflow, banging or rattling noises, musty odors, a jump in energy bills, more dust than usual on furniture, or water stains near the unit. Burning smells, active water dripping, or a blower that runs with almost no air coming out mean you should shut the system off and have a technician look at it. Anything milder still deserves a visit within the week, because an airflow problem left alone tends to become a compressor problem. What Are the Signs Your Air Handler Needs Repair? The clearest sign is airflow that no longer matches what the thermostat is asking for. The air

How to Spot a Refrigerant Leak in Your Schertz, TX AC Before It Gets Costly
You can spot a refrigerant leak in a Schertz, TX, air conditioner by watching for air that is not as cold as it used to be, longer run times, ice on the indoor coil or the refrigerant line, hissing or bubbling sounds near the equipment, and a cooling bill that climbs without any change in how you use the system. Refrigerant circulates inside a sealed system, so it is never consumed the way fuel is consumed. If the charge is low, there is a leak, and that leak has to be located and repaired before the system is recharged. Acting on the early signs keeps a manageable repair from becoming a failed compressor in the middle of a Guadalupe County July. What Are the Signs Your AC Has a Refrigerant Leak? The clearest homeowner-facing sign of a refrigerant leak is cooling performance that has quietly fallen off while the system