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Indoor Air Quality Maintenance in Lafayette, CO

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Browse some of the innovative air quality products offered by Welzig Heating and Air:

PremiereOne UV Filtration System

Rather than masking odors, our PREMIERONE UV whole house air purifiers oxidize them using activated oxygen. These amazing machines can get rid of odors that come from tobacco smoke, mildew, mold, garbage, paint, cooking, litter boxes, bathroom odors, and much more! Even dangerous, odorless gasses that are toxic will be oxidized and eliminated. These air purifiers provide a level of oxygen that is very similar to what you’d breathe outside in nature. If you’re looking for a non-oxidizing purifier, we offer UV models as well!


Global Plasma Solutions (GPS)

Always on the lookout for the most effective indoor air quality innovations, Welzig Heating and Air is pleased to offer GPS. We’re not talking about driving directions. Global Plasma Solutions maximize the potential of airflow from the ventilation system by introducing high concentrations of positive and negative ions. Patented needlepoint bi-polar ionization (NPBI) technology disrupts the surface proteins of pathogens, creating a microbicidal effect and turning them inactive.

GPS Units

These ions also seek out and attach to dust, pollen, dander, smoke, mold, odors, and a variety of particles. Through agglomeration, the particles combine, cluster together, and become large enough to be effectively filtered out of the air. Laboratory tested as safe and proactive against the spread of viruses and bacteria, GPS cleans the air, creates an ozone-free living space, and can trim energy consumption by up to 30%


PuriFi Indoor Air Quality System

Keeping up with the evolution of smart IAQ technology, Welzig Heating and Air offers the most intelligent air quality management system for your home or commercial facility. PuriFi is a whole new achievement of defense. Combining the most advanced level of air purification with revolutionary sensors, PurFi works in tandem with the HVAC system, regulating indoor air quality much like a thermostat manages air temperature. 


Indoor air pollution is now considered by the Environmental Protection Agency to be the fourth greatest environmental threat to Americans. Most people spend ninety percent of their life indoors, and unfortunately, indoor air is anywhere between ten and one hundred times more polluted than outdoor air. Welzig Heating and Air helps you take control of your indoor air quality. Through services and products, tailored to your specific requirements, we ensure a reduction in the pollutants that have been linked to headaches, fatigue, lung irritation, unpleasant odors, aggravated symptoms of allergies and asthma, respiratory infections, coughs, colds, flu, and more. The factory-trained and NATE-certified technicians from Welzig Heating and Air recommend only proven products that fit your exact needs.

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Continuously monitoring and measuring airborne contaminants such as odors, pet dander, dust, mold, ozone, VOCs, pathogens, lint, bacteria, and particulates down to 0.3 microns in size, the PuriFi Generator automatically responds by sending a concentration of negative ions into the HVAC systems airflow.

Mimicking the natural ionization process happening outside, high-energy oxygen ions bind particulates into larger clusters that ensure air filters trap those microscopic allergens that would otherwise slip right through. You can expect a more than 90% lessening of airborne pollutants inside of the first 24 hours of operation. This increases steadily to 99%. Lab testing indicates that within 10 minutes, PuriFi eliminates 99.9% of coronavirus surrogates from the air.

Indoor Air Quality Facts

  • The EPA has ranked indoor air pollution as a high-priority public risk.
  • “An Exposure to (debris from dust) mites in the first crucial year of life can trigger lifelong allergy. There is no cure, only prevention.” – Ohio State University Extension
  • Seasonal allergic rhinitis (hay fever) affects more than 35 million people in the U.S. – World Health Organization
  • “Over 1/3 of our annual national health bill can be attributed to polluted air.” – American Medical Association
  • Allergic disease is the 5th leading cause of chronic disease among all ages and 3rd common chronic disease among children under 18. – ALA
  • The average person inhales about 2,300 gallons of air per day. – ALA
  • “Deaths from asthma, in children under 11 years of age, is increasing 7% each year” – New England Journal of Medicine
  • A 1500-square foot home contains an average of 25.6 million dust mites. – MAP Consulting
  • Trees are the largest producer of pollen out of the plant kingdom.
  • Indoor Air is 4-5 times dirtier than outdoor air. – EPA

Asthma, COPD (Chronic obstructive pulmonary disease), and other respiratory diseases are very common in the United States. Over 25 million people have been diagnosed with asthma and about 14.8 million adults suffer from COPD. People who live with these debilitating diseases are affected in many ways and these diseases affect people from all walks of life. The pressure these diseases put on our health care system and on the families themselves. It is estimated that costs for asthma care in the US are around $20.7 billion dollars annually.

Satisfied Customers
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Our 23-year-old A/C system ran out of “borrowed time” and became too difficult to continue maintaining. With great advice from Casey Welzig,, we replaced the old system with a Bryant Evolution A/C system. Max Loustaunau and Seth Bernhardt did an excellent job with removing the old system and installing the new one. Both of them are great to work with — very professional and very personable. We are really amazed at how much better the new system works!


Bob came out to look at our swamp cooler and was remarkably helpful and professional. Not only did he give me a knowledgeable diagnosis, but he also taught me a lot in the process. We’ll be calling him for all future needs with our cooling system.


Dave Kaplan-Gomez and James Miltersen installed my new Tankless Water Heater. Both were polite and professional. Care was taken not to damage anything in my house which I really appreciated. I use Welzig for all my HVAC needs and highly recommend them.

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