In San Antonio, cold fronts may come and go, but when the temperature drops, a reliable furnace becomes essential. Radiant delivers complete furnace services — repair, replacement, and maintenance — backed by professionalism and integrity. Our licensed HVAC technicians are trained to work on every system, from older gas furnaces to advanced high-efficiency models, as well as heat pumps and other heating equipment. Whether your system is blowing cold air, shutting down unexpectedly, or simply overdue for service, we’ll provide clear answers and lasting solutions. With 24/7 availability and our Home Comfort Guarantee, San Antonio families know Radiant is the trusted choice for dependable heating.
The most reliable furnace is one that’s cared for regularly. That’s why so many San Antonio homeowners choose the Radiant Care Club. Membership includes seasonal heating tune-ups, priority scheduling, and savings on repairs and replacements. Our technicians carefully inspect and maintain your furnace to improve efficiency, extend its lifespan, and reduce the risk of sudden failures. And because the Care Club also covers your cooling and plumbing systems, it’s complete protection for your whole home. With predictable costs and proactive service, the Care Club helps San Antonio families safeguard their comfort and avoid costly surprises when temperatures drop.
Every furnace repair, replacement, and maintenance service Radiant provides in San Antonio is backed by our Home Comfort Guarantee. That means straightforward pricing, licensed professionals, and workmanship that holds up under daily use. Whether it’s an emergency call, a seasonal tune-up, or a full system replacement, we take pride in doing the job right. If something isn’t right, we’ll make it right. San Antonio homeowners turn to Radiant not just for restored heat, but for the confidence that comes with service built on reliability, honor, and care. With us, your furnace isn’t just fixed — your comfort is protected for the seasons ahead.
Leaks, clogs, or full system fixes—our licensed San Antonio plumbers are ready 24/7 with trusted, professional service you can count on.
No cool air? No problem. Radiant’s AC experts in San Antonio bring fast repairs, honest answers, and year-round comfort.
Heating issues? Radiant repairs, maintains, and replaces furnaces in San Antonio with trusted, professional service.
Burst pipe or backup at 2 a.m.? Radiant’s emergency plumbers are standing by in San Antonio—ready to fix it, fast and clean.
Hot water troubles? Radiant repairs tank and tankless water heaters across San Antonio with expert care and upfront pricing.
Clogged drain? Gurgling tub? Our San Antonio drain cleaning pros clear it fast—no mess, no chemicals, no stress.
Tired of hard water? Radiant installs and repairs water softeners that protect San Antonio plumbing and keep things running clean.
Radiant Plumbing, Air Conditioning, & Electrical operates across Austin and San Antonio, keeping over 10,000 homeowners happy with home repairs, installations, and maintenance.
Trusted for home services and repairs by thousands of Texans since 1999. Enter your zip code for information about services in your area.
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