Retrofit IAQ Products

Serving Colorado, Wyoming and New Mexico

Free Delivery on Most Orders

Largest Inventory in the Area 

Complimentary Clean Air Survey

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Improve Your Indoor Air Quality with Innovative Solutions


Colorado Air Filter is a leading HVAC air filtration supply company serving Colorado, Wyoming, and New Mexico. For more than 25 years, we have specialized in providing commercial and industrial air filters for HVAC systems, cleanrooms, hospitals, schools, office spaces, bitcoin mining and manufacturing facilities. Our team includes NAFA Certified Technicians and NAFA Certified Air Filtration Specialists (CAFS) who help businesses improve indoor air quality, HVAC efficiency, and regulatory compliance with customized filtration solutions.


As the largest locally owned air filter distributor in the Rocky Mountain region, Colorado Air Filter LLC maintains one of the most extensive inventories of HVAC filters and air filtration products available. We offer same-day quotes, fast delivery, and responsive customer service. Our long-term partnerships with top manufacturers such as Glasfloss Industries, Rensa Filtration, Mann + Hummel, Mikropor and Columbus Industries ensure our customers receive high-quality filters that meet or exceed ASHRAE, ISO, LEED and NAFA standards.

Why Choose Colorado Air Filter LLC


Same-Day Service

Complimentary Clean Air Survey

Certified Air Filtration Specialist

Free, Same-Day Quotes

NAFA Certified Technicians

Largest Inventory in the Area

Colorado Air Filter LLC
Biological Disinfection Equipment

UV-C Air and Object Disinfection

Our proprietary UV-C fixtures are designed to destroy biological pathogens such as mold, viruses, and bacteria on surfaces or on the cooling coil of the HVAC equipment. This technology is designed to be synergistic in performance with your HVAC air filters.

Carbon Odor Control Filters

Carbon Odor Control Filters

Eliminate unpleasant odors and smoke from wildfires with our carbon odor control filters. We keep these in stock and offer a variety of options depending on your HVAC system and the severity of the odor control issue within your facility.

Cooling Tower Replacement Media

Cooling Tower Replacement Media

We provide durable cooling tower replacement media from Munters or Kuul. Our products are designed to fit your existing cooling tower and provide years of optimal performance.

Evaporative Cooling Pad Replacements

Evaporative Cooling Pad Replacements

Keep your evaporative cooling systems working well with our replacement Celdek or Kuul pads. We offer custom sizes for any Celdek or Kuul evaporative media replacement. Designed to last multiple years, your facility will be operating at peak performance from these new evaporative media pads.

Evaporative Cooling Pad Replacements

Evaporative Cooling Pad Replacements

Keep your evaporative cooling systems working well with our replacement Celdek or Kuul pads. We offer custom sizes for any Celdek or Kuul evaporative media replacement. Designed to last multiple years, your facility will be operating at peak performance from these new evaporative media pads.

Hail Screens

Hail Screens

Shield your HVAC equipment from hail damage with our strong hail screens. These screens can withstand harsh weather while allowing proper airflow to your systems.

HEPA Filters

HEPA Filters

Our HEPA filters deliver exceptional air purification, removing 99.99% of airborne particles as small as 0.3 microns. Engineered for environments that require ultra-clean air, these high-efficiency filters are reliable, high-performing, and always in stock for fast delivery.

HVAC Drive Belts

HVAC Drive Belts

Keep your HVAC systems running smoothly with our quality drive belts. We offer many sizes and types to fit different HVAC systems, ensuring they work well and last long.

HVAC Drive Belts

HVAC Drive Belts

Keep your HVAC systems running smoothly with our quality drive belts. We offer many sizes and types to fit different HVAC systems, ensuring they work well and last long.

IAQ Monitoring Equipment

IAQ Monitoring Equipment

Stay informed about your indoor air quality with our modern monitoring equipment. These devices give you up-to-date information on air quality, helping you make smart decisions about managing your indoor air.

Retrofit Condenser Coil Screens

Retrofit Condenser Coil Screens

Protect your condenser coils and make them last longer with our retrofit coil screens. These screens are easy to install and help keep your HVAC system working well by stopping dirt and debris buildup.

Retrofit Cottonwood Screens

Retrofit Cottonwood Screens

Our cottonwood screens are essential for new construction in areas with prevalent cottonwood trees. Designed to capture airborne cottonwood fibers before they enter your HVAC system, these screens help maintain cleaner air intake, reduce maintenance frequency, and enhance overall system performance.

Biological Disinfection Equipment

UV-C Air and Object Disinfection

Our proprietary UV-C fixtures are designed to destroy biological pathogens such as mold, viruses, and bacteria on surfaces or on the cooling coil of the HVAC equipment. This technology is designed to be synergistic in performance with your HVAC air filters.

Retrofit Cottonwood Screens

Retrofit Cottonwood Screens

Our cottonwood screens keep cottonwood seeds and other floating debris from clogging your HVAC systems. These screens are very useful in areas with lots of cottonwood trees, helping to keep your system working well and reduce maintenance costs.

Biological Disinfection Equipment

UV-C Air and Object Disinfection

Our proprietary UV-C fixtures are designed to destroy biological pathogens such as mold, viruses, and bacteria on surfaces or on the cooling coil of the HVAC equipment. This technology is designed to be synergistic in performance with your HVAC air filters.

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At Colorado Air Filter LLC, we take pride in providing exceptional HVAC products to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Colorado Air Filter LLC and let others know what you think.