Commercial HVAC Filter Service- Done Right. On Time. Every Time!

At A1 Filter Service, we specialize in providing scheduled HVAC filter replacement for commercial clients across Southeast Texas. Our team handles everything from custom filter sizing to safe, on-time installation—so your staff doesn’t have to. We proudly service a wide range of businesses including restaurants, schools, government buildings, machine shops, office spaces, and auto repair shops. Whether you manage a single facility or multiple locations, we make it easy to keep your air clean, your equipment running efficiently, and your inspections stress-free.