Indoor Air Quality

Indoor Air Quality Services in Longmont, Boulder, Loveland and Surrounding Areas

DNI Heating, A.C. and Refrigeration, Inc. resolves concerns with indoor air quality in Longmont, Boulder, Loveland and surrounding areas. No matter the issue, whether for residential or commercial application, we find the best solution based on your specific requirements. There’s no guesswork involved. We won’t sell you something you don’t need. Our fully licensed and insured technicians combine experience, training, and proven testing procedures to determine the exact threat. From airborne contaminants and overly dry air to excessive moisture, energy waste, odors, and more, we deliver satisfying and sustainable improvement.

Priceless Service That Fits Your Budget Calling in an HVAC expert doesn’t have to break the bank! We offer financing options with approved credit so your home repairs and upgrades won’t set you back, and you get to stay cool and comfortable all year long.

DNI Heating, A.C. And Refrigeration, Inc. Specializes in Cutting-Edge IAQ Accessories Including:


This purification unit installs into residential or commercial HVAC system air ducts and uses a combination of sophisticated in-room sensors and a patented natural ionization process. The unit responds on-demand to properly maintain ideal indoor air quality 24/7, much the same way as a thermostat manages temperature. Revolutionary air and surface purification technology cause particles to clump together and become large enough to fall out of the air. The PuriFi unit targets/destroys the structure of bacteria and viruses. According to recent lab testing the PuriFi shows effectiveness in the elimination of 99.9% of airborne coronavirus test surrogates. 

Monitor and control your indoor air quality with a whole home solution that proves its results! When particulate levels are too high the PuriFi PM Sensor activates the patented PuriFi Generator. The Generator, which is installed in your central HVAC system, uses our patented process to begin sending an overabundance of natural oxygen ions through all of your air ducts. Our patented blend of high energy, oxygen ions flood every room and begin the purification process. Every register in your home or business becomes an air and surface purification system.

  • Natural ion generating air purification
  • Oxidizes tested viruses, bacteria, and household germs*
  • Reduces airborne particulates such as PM1, PM2.5, and PM10*
  • Patented PuriFi O2 Catalyst reduces unwanted ozone*
  • Reduced particulate levels are proven with in-room PuriFi laser particle counters
  • 5-Year Limited Warranty 

Global Plasma Systems (GPS)

The GPS technology uses the ventilation system to transport a high concentration of positive and negative ions. Global Plasma Solutions create an indoor environment free of ozone and other harmful by-products. Patented needlepoint bipolar ionization (NPBI) technology disrupts the surface proteins on pathogens including mold, bacteria, and viruses, to render them inactive. These ions attach to particles suspended in the air, such as dander, pollen, dust, smoke, and odors, causing them to cluster together and become more easily captured through filtration. GPS further tackles chemical, cooking, pet and other odors to promote fresher, better-smelling air. 

The patented needlepoint bipolar ionization or NPBI® technology, we deliver clean indoor air — producing neither ozone nor other harmful byproducts. NPBI technology safely creates and releases ions into the airstream using your existing HVAC system as the delivery method.

  • Natural ion generating air purification
  • Proven by 3rd party testing to inactivate 99.4% of SARS-CoV-2 viral particles within 30 minutes
  • Particle Reduction & Smoke Control
  • Odors Neutralized by destroying VOCs
  • Neutralizes pathogens and kills bacteria & mold
  • No maintenance required! 

PremierOne PureFlo HP500 System and PremierOne Multivoltage UV Germicidal Air Purifier with Odor Control

The PremierOne PureFlo HP500 System uses an advanced pull and push design. The motor draws the air through a pleated pre-filter to trap larger particles and uses a 300 cfm blower to create high pressure and force it through the HEPA media filter. The process is ultra-quiet, achieves a peak performance rating without constant maintenance, and with zero pressure drop, won’t hinder the operation of the heating/cooling system. While standard HVAC filters collect some bigger particles, submicronic contaminants pass right through. The PremierOne PureFlo polarized media air cleaner acts as a negatively charged allergen collection cell, capturing up to 97% of particulate at 0.3 microns. 

The PremierOne Multivoltage UV Germicidal Air Purifier controls germs, viruses and fungi using the powerful germicidal twin-tube H lamp that outputs more than three time more microwatts than single tube lamps. Patented odor control chamber can be easily adjusted by the homeowner to control odors and VOCs!

  • Auto-sensing ballast works from 120 VAC to 240 VAC
  • 180 Microwatts (16” lamp) 140 Microwatts (12” lamp)
  • 12” or 16” UV lamps available for correct fit
  • Lifetime warranty (2 years on lamps)


  • Humidity for health: Humidifiers can help you maintain optimal humidity in 
    your home which has been shown to reduce the incidence of respiratory infections 
    and symptoms related to allergies and asthma by minimizing the formation of 
    bacteria and viruses.
  • Humidity for comfort: Balance your humidity to preserve your home and 
    protect its occupants from dry air issues like static shock and chapped skin.
  • Protect your home: Preserve your home and any contents susceptible to 
    damage from changing humidity or dry conditions.

Air Filtration

Air filtration in your home or business is a very overlooked item. Most HVAC filters' purpose is to keep your equipment clean, not necessarily for better quality air. DNI provides many options for upgraded filtration in your home or business. From HEPA filters, to electronic filtration systems we can provide a solution for all your needs. Whether you have issues with smoke, odors, allergies or the daily struggle to keep the dust down we have a solution.


P6100 Air Cleaner


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