Radiant Plumbing, Air Conditioning, & Electrical has been Texas’ go-to for expert furnace installation since 1999, delivering energy-efficient heating solutions and exceptional customer care.
When it’s time to replace or upgrade your furnace, you need a team you can trust. Radiant Plumbing, Air Conditioning, & Electrical specializes in professional furnace installation, ensuring your home stays warm, efficient, and safe all winter long. Our licensed technicians help you choose the right system for your home’s size, energy needs, and budget, and we offer financing options and special offers to make upgrading easier. With over two decades of experience serving Austin, San Antonio, and beyond, Radiant delivers installation done right — every time.
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Expert Repairs, Honest Service, No Guesswork
Serving Austin & San Antonio
Trusted by homeowners across Austin and San Antonio for reliable plumbing and HVAC work, built on decades of consistent service and long-term relationships.
Scheduling Around You
Flexible appointments with weekend availability mean you’re not stuck waiting around for us, we show up when we say we will.
Honest Pricing, No Guesswork
Upfront recommendations and transparent pricing, with no pressure, just clear options so you can make the right call for your home.
Radiant Service Area
Lone Star Locals
Radiant operates across Austin and San Antonio, keeping over 10,000 homeowners happy with home repairs, installations, and maintenance.
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Your Home A/C & Heating Experts
Ready to elevate your home’s comfort? Discover a variety of services beyond heating repairs that cater to your every need. Explore the full range by clicking the links below:
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A home furnace system is a central heating unit that provides warmth to a residential space, especially crucial during colder months. It works by blowing heated air through ducts that deliver warm air to rooms throughout the house via air registers or grills. This system is typically powered by natural gas, electricity, oil, or propane.
The furnace heats the air by burning the fuel in a combustion chamber or using electrical coils. The heated air is then distributed through the home’s ductwork. Besides heating, furnaces also play a crucial role in circulating and filtering indoor air, contributing to improved air quality.
Furnaces come in different types, including single-stage, two-stage, and variable-speed models, offering varying levels of efficiency and control over the heating process. The choice of a furnace depends on factors like the size of the home, climate, energy efficiency, and budget. A well-maintained furnace not only provides comfort but also operates efficiently, leading to energy savings and a longer lifespan of the system.
Installing a furnace filter is a simple but important task to keep your heating system running efficiently. Here’s how to do it:
Turn off your furnace — for safety, switch off the system at the thermostat.
Locate the filter slot — usually at the return air duct or inside the blower compartment.
Remove the old filter — slide it out carefully to avoid spreading dust.
Check the size and type — the correct size is printed on the filter frame.
Insert the new filter — follow the arrows on the frame to ensure it faces the right airflow direction.
Turn your system back on — and enjoy improved airflow and cleaner air.
While homeowners can replace filters themselves, Radiant Plumbing, Air Conditioning, & Electrical can help you choose the right filter type and ensure your entire system is clean and running at peak performance. For long-term care, join our Radiant Care Club for seasonal tune-ups, priority service, and expert advice.
A typical home furnace usually lasts between 15 to 20 years, although this can vary based on the type of furnace, how well it has been maintained, and the frequency of its use. Factors like the quality of the installation and the brand can also impact its lifespan. Regular maintenance plays a crucial role in extending a furnace’s life; well-maintained furnaces are more likely to reach or even exceed their expected lifespan. Conversely, neglected furnaces may fail sooner. To maximize the lifespan of your furnace, it’s important to have it serviced annually by a professional, ensure filters are changed regularly, and address any repairs promptly. Investing in routine maintenance can significantly contribute to the efficiency and longevity of your furnace.
A typical furnace installation takes about 4 to 8 hours, depending on the type of system, the size of your home, and whether additional work like duct modifications or electrical upgrades is needed. More complex installations may take a full day.
At Radiant, our licensed technicians work efficiently and carefully, ensuring your new furnace is installed to the highest standards. We handle everything — from safely removing the old system to testing and calibrating the new one — so you can enjoy reliable, energy-efficient heat as quickly as possible. With Radiant, you also get transparent scheduling, upfront communication, and expert service trusted across Texas since 1999.
Boilers, furnaces, and heat pumps each serve distinct heating functions with unique mechanisms. Boilers, operating on various fuels, heat water and circulate it through radiators or pipes for even warmth. Furnaces, powered by gas, oil, propane, or electricity, use combustion to generate heat and distribute it through ducts. Heat pumps, reliant on electricity, transfer heat between indoors and outdoors. The choice among these systems depends on factors like fuel availability, climate, and homeowner preferences. Factors such as efficiency, distribution methods, and overall suitability for specific heating needs play a crucial role in making the right decision. At Radiant, we specialize in servicing, installing, and repairing all these heating systems. Contact us for tailored solutions aligning with your home’s heating requirements.
In Texas, winter may be short, but when temperatures drop, you need a furnace you can rely on. Whether you’re building a new home or replacing an aging system, Radiant Plumbing, Air Conditioning, & Electrical provides expert furnace installation that ensures comfort, efficiency, and peace of mind.
A new furnace isn’t just about keeping warm — it’s about improving energy efficiency, lowering utility bills, and enhancing your home’s overall comfort. Today’s furnaces are more advanced and eco-friendly, offering better performance and smarter controls.
If your current furnace is over 10–15 years old, constantly breaking down, or driving up your energy bills, it’s time to explore a replacement. With Radiant, you get expert guidance to help you choose the right system for your home and family.
We make furnace installation smooth and stress-free. Here’s what to expect when you work with Radiant:
We install all major furnace brands and models, and we stand behind our work with a commitment to transparency and customer satisfaction.
Radiant offers a full range of heating services to pair with your new furnace, including:
Our Radiant Care Club makes it easy to keep your new furnace in top shape with seasonal tune-ups, priority scheduling, and exclusive discounts.
Since 1999, homeowners across Austin and San Antonio have turned to Radiant for expert furnace installation and five-star service. We’re known for our:
We don’t just install furnaces — we deliver comfort, trust, and long-term peace of mind.
Don’t wait until your old furnace leaves you in the cold. Whether you’re upgrading for efficiency, replacing a failing unit, or installing a system in a new home, Radiant Plumbing, Air Conditioning, & Electrical is here to help.
Schedule your furnace installation today and discover why Texas homeowners have trusted Radiant for expert heating solutions since 1999.
