Breathe Easier with Professional HEPA Air Filter Installation
If you want hospital-grade clean air in your home or business, HEPA Air Filters are your best defense. Designed to capture 99.97% of microscopic particles, including dust, pollen, mold spores, and pet dander, these filters deliver unmatched indoor air quality.
We specialize in installing and replacing high-efficiency HEPA filtration systems that integrate seamlessly with your existing HVAC system.
Limited Time Offer
Save on your next air quality service. Check out our current promotions!
Why Choose HEPA Air Filters?
Superior Filtration Performance
HEPA filters capture 99.97% of airborne particles as small as 0.3 microns—far beyond the capability of standard filters.
Healthier Indoor Environments
Ideal for families with allergies, asthma, or sensitivities, HEPA systems help maintain cleaner, safer air throughout your home.
Extended HVAC Protection
By trapping dust and debris, HEPA filters reduce system strain, improve performance, and extend equipment lifespan.
Why Choose Marathon for Your Air Scrubber Installation?
When it comes to keeping your air quality pristine, you can count on our trained, certified HVAC professionals.
Licensed & Insured
Fully certified technicians with experience on all major AC brands.
Tailored Solutions
Tailored solutions for homes and commercial buildings
Flexible Scheduling
Convenient appointment windows to fit your routine.
Upfront Pricing
Thorough inspection, cleaning, and testing for peak performance.
Trusted Locally
Serving Los Angeles, Riverside & Orange County
What’s Included in Our HEPA Filter Services
Every installation includes a complete system evaluation and seamless connection to your existing HVAC system.
Professional HEPA Filter Installation & Replacement
Expert setup to ensure maximum filtration and proper system airflow.
Integration with Existing HVAC & Duct Systems
Custom-fit solutions designed to work with your current equipment.
Indoor Air Quality Testing & Recommendations
Identify issues and select the best filtration options for your space.
Routine Maintenance for Peak Performance
Keep airflow strong and filtration efficiency high all year long.
Signs You May Need Air Quality Service
If you’re noticing unusual odors, dust buildup, or worsening comfort in your home, these signs may indicate it’s time for a professional air quality inspection.
Persistent Dust Buildup
If dust returns quickly after cleaning, your filtration system may not be capturing airborne particles effectively.
Allergy or Asthma Flare-Ups
Worsening symptoms indoors can indicate poor filtration or elevated pollutants circulating through your home.
Musty or Unpleasant Odors
Lingering smells often point to mold, bacteria, or stagnant air trapped in your ventilation system.
Uneven Airflow or Stuffy Rooms
Hot, stale, or poorly ventilated rooms are a common sign that your home’s air circulation needs improvement.
Visible Mold Around Vents
Any mold growth near vents or registers suggests moisture issues and contaminated air entering your living space.
Increased Illness or Fatigue
Poor indoor air quality can contribute to headaches, respiratory irritation, and overall discomfort.
Serving Los Angeles, Riverside, and Orange Counties
At Marathon Plumbing, Heating, and Air, we’re proud to provide reliable furnace maintenance plans for homeowners and businesses throughout Los Angeles, Riverside, and Orange County. Our reputation is built on transparent pricing, expert service, and a commitment to keeping our customers comfortable year after year.
Los Angeles County
Riverside County
Orange County
San Bernardino
Pasadena
Long Beach
Related Air Quality Services
Explore our full range of air quality solutions designed to keep your home clean and comfortable.
High-efficiency filters that remove fine particles, allergens, and pollutants from your home’s air.
Targeted purification systems that clean and sanitize the air in specific rooms or high-use spaces.
Professional installation of clean-air systems tailored to your home’s needs for optimal performance.
Whole-home ventilation fans that quickly improve airflow and reduce indoor heat without excessive noise.
Moisture-control systems that balance humidity levels to improve comfort and protect your home.
Upgrade to HEPA-Level Clean Air Today
Protect what matters most with professional HEPA Air Filter installation from Marathon Plumbing, Heating, and Air. Enjoy cleaner, safer air every day.