24/7 HVAC Repair Services - 830-283-5554
In New Braunfels, we often don’t think about our heaters until the first major cold front hits. However, letting a furnace sit idle for months can lead to dusty burners, cracked components, and electrical issues. At Centeno Air, our furnace maintenance services are designed to ensure your gas or electric system is operating at peak efficiency and, most importantly, safely. Our NATE-certified technicians provide a thorough cleaning and inspection to give you total peace of mind before the temperature drops. Talk to one of our experts about furnace maintenance in New Braunfels.
Scheduling an annual furnace tune-up is about more than just staying warm; it's a critical safety measure for your family. During our maintenance visits, we check for hairline cracks in the heat exchanger that could leak carbon monoxide into your home—a danger that often goes unnoticed without professional tools. Beyond safety, regular service optimizes your system’s fuel or electricity consumption, lowering your winter utility bills and preventing the 'Texas-sized' repair costs that come with neglected equipment. By catching minor wear-and-tear early, we help extend the life of your furnace by years.
Age: Your system is 15–20 years old and nearing the end of its functional life.
Safety Concerns: You have a cracked heat exchanger, which poses a risk of carbon monoxide leaks.
Frequent Repairs: You’ve had two or more significant repairs in the last two years.
Rising Energy Costs: Your heating bills continue to climb despite regular maintenance.
Inconsistent Heat: Some rooms are freezing while others are too warm, signaling the system can no longer keep up.


Our 21-point precision tune-up is a comprehensive deep-dive into your heating system’s safety and performance. We don't just look at your furnace; we meticulously clean the burners, inspect the heat exchanger for dangerous cracks, test all electrical connections, and calibrate your thermostat for accuracy. From clearing debris in the flue to verifying gas pressure and replacing air filters, our NATE-certified technicians ensure every component is optimized to run safely and efficiently all winter long.
Safety Inspection: Checking for carbon monoxide leaks and testing all safety limit switches.
Burner & Ignitor Cleaning: Ensuring a clean, efficient burn for gas systems to prevent soot buildup.
Heat Exchanger Analysis: Inspecting for cracks, corrosion, or signs of metal fatigue.
Electrical Connection Tightening: Preventing wire failures and ensuring motors run at the correct amperage.
Filter Replacement & Airflow Check: Boosting system efficiency and improving indoor air quality.
Thermostat Calibration: Verifying your heater responds accurately to your temperature settings.

When your old heater becomes unreliable or unsafe, a furnace repair ensures your family stays warm during those sudden Texas cold fronts. We specialize in sizing and installing modern gas and electric systems that provide consistent heat while lowering your winter energy bills. From historic homes to new builds, Centeno Air provides seamless installations that prioritize safety, performance, and long-term reliability.

When your heating system becomes unreliable or unsafe, a professional furnace replacement is the best way to restore comfort and security to your home. We specialize in installing high-efficiency gas and electric units that are specifically designed to handle the sudden temperature drops of the Texas Hill Country. By upgrading to a modern system, you’ll enjoy lower monthly utility bills, whisper-quiet operation, and the long-term protection of a new manufacturer’s warranty.

Keep your business running smoothly with expert commercial HVAC services tailored to the unique demands of New Braunfels retail, office, and industrial spaces. We understand that a broken AC or heater can halt your operations, which is why we offer rapid diagnostics, priority repairs, and custom maintenance plans for rooftop units and large-scale systems. Centeno Air is your local partner for maintaining a comfortable, productive environment for your employees and customers alike.
The best time is in early autumn, before you need to turn the heat on for the first time. This ensures any issues are fixed before the "winter rush."
Yes. Most manufacturers require annual professional maintenance to keep your warranty valid. Skipping service could lead to a denied claim later.
A standard precision tune-up takes about 60 to 90 minutes. We provide a full report on your system’s health before we leave.
Absolutely. We inspect the heat exchanger and venting system—the two most common sources of leaks—to ensure your gas furnace is exhausting safely.
This is usually just dust burning off the heating elements after sitting idle. However, if the smell persists for more than an hour, shut it off and call us for an inspection.
Yes! Our Year-Round Maintenance Plan covers both your AC in the spring and your furnace in the fall, plus offers priority service and repair discounts.
Whether you have a question, a service request, or need expert advice on your HVAC system, we’re here to help. Our team is dedicated to providing personalized solutions and ensuring your experience is smooth and hassle-free. Get in touch with us today, and let’s work together to keep your home or business comfortable and energy-efficient all year round!

347 Mistflower, New Braunfels TX 78130

(830) 283-5554
We specialize in delivering high-performance HVAC solutions designed to optimize your indoor comfort and air purity. Using the latest technologies and expert craftsmanship, we create healthier, more efficient spaces—whether for homes or businesses, small spaces or large environments.
Centeno Air, LLC provides expert HVAC repair, maintenance, and installation services across New Braunfels and the surrounding Texas Hill Country. We proudly serve residential and commercial customers in Seguin, Schertz, Cibolo, Marion, Canyon Lake, and North San Antonio. Whether you need an emergency AC fix or a new high-efficiency system, our local technicians are dedicated to keeping your home comfortable year-round.
New Braunfels, TX
All Days: 24 Hours