Does a UV Air Filter Kill COVID?
UV-C germicidal systems can inactivate SARS-CoV-2 and other airborne pathogens, but real-world effectiveness depends on lamp output, exposure time, air change rate,…
Read AnswerFrequently Asked Questions
Straight answers to the questions our customers ask most — covering plumbing, heating, cooling, and electrical service across our service area.
How Does a UV Filter Work?
UV germicidal lights use UV-C wavelengths to neutralize mold, bacteria, and viruses inside your HVAC system without affecting the air itself.
Read AnswerCan Done replace my air filters?
Done replaces air filters during maintenance visits and can recommend the right MERV rating for your system, home, and Colorado air quality…
Read AnswerHow do I change my air filters?
Change your HVAC filter every 1–3 months by sliding the old one out, noting the airflow arrow, and inserting the new filter…
Read AnswerHow long do air filters last?
Most 1-inch filters last 30 to 90 days; thicker media filters last 6 to 12 months — but always check monthly and…
Read AnswerWhat is MERV in air filters?
MERV rates air filter efficiency on a 1–16 scale; higher numbers capture smaller particles, but very high MERV filters can restrict airflow…
Read AnswerHow often should air filters be changed?
Change 1-inch air filters every 30 to 90 days and thicker media filters every 6 to 12 months — but check monthly…
Read AnswerWhat Is Indoor Air Pollution?
Indoor air pollution is contaminants inside your home — particles, gases, mold, and combustion byproducts — that can affect health, often at…
Read AnswerCan Done Test the Indoor Air Quality in My Home?
Done assesses your home's indoor air quality by evaluating particulate levels, humidity, HVAC system condition, ventilation, and duct integrity — then recommends…
Read AnswerHow Do You Measure Indoor Air Quality?
IAQ is measured by testing for particulates, CO, VOCs, radon, and humidity using calibrated instruments to identify specific air quality problems.
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