Always Thayer for you!
Trusted HVAC Company in New Braunfels, TX
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- 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 Plumbing & Air 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
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$99
50% Off Your First Year
Renews annually at $199
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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 Fall Furnace Maintenance Pays Off for Timberwood Park, TX Homeowners
Fall furnace maintenance pays off in Timberwood Park, TX, because a tune-up before the first cold snap finds small problems while they are still small, keeps heating costs steadier, and confirms the system is running and venting safely. A furnace generally needs professional service once a year, and early fall is the right window in north Bexar County because the heating season here is short, but it arrives without much warning. A maintenance visit covers cleaning, component testing, airflow checks, and a safety inspection by a trained technician. For most Timberwood Park homes, that one visit is the difference between a quiet winter and a service call on the coldest night of the year. Why Timely Fall Furnace Maintenance Matters for Home Comfort Timely fall maintenance matters because it puts your furnace in known good condition before you depend on it. Homes around Blanco Road and just off US-281 sit

Common Heat Pump Problems Stone Oak, TX Homeowners Face in Cooler Weather
The heat pump problems Stone Oak, TX, homeowners see most in cool weather are air that feels cool instead of warm, short cycling, uneven room temperatures, unfamiliar noises, ice that stays on the outdoor unit, and a heating bill that climbs without explanation. Central Texas winters bring short cold snaps and occasional hard freezes rather than a long northern winter, so a heat pump here works in mild conditions most of the season and then gets tested hard for a few days at a time. Those freeze events are when weak components show themselves. Thayer Plumbing & Air diagnoses and repairs these issues for neighbors across Stone Oak, so your home holds its heat when the temperature actually drops. Common Signs Your Heat Pump Needs Attention Your heat pump signals trouble through changes in sound, output, and cost. Anything new compared to last season is worth a closer look. Grinding,

Furnace Won’t Heat? What North San Antonio, TX Homeowners Should Do First
If your furnace will not heat in North San Antonio, TX, start with the four checks you can safely do yourself: set the thermostat to heat a few degrees above the current room temperature, look at the air filter, make sure the supply vents are open, and check the breaker that feeds the furnace. If you smell gas at any point, leave the house first and call your gas utility from outside. If those four checks do not bring the heat back, the fault sits inside the system and needs a trained HVAC technician. What Are the Common Signs Your Furnace Isn’t Heating Properly? A failing furnace usually gives you several signals before it quits completely, and catching them early is what separates a simple repair from a cold house on the first real cold snap. The most common sign is uneven heat. Some rooms feel comfortable while others stay