- HEP Heat and Air
- Indoor Air Quality

Indoor Air Quality
Indoor Air Quality | Heating and Air Conditioning | Johnson City
Breathe easier and live cozier in Johnson City with HEP’s team of indoor air quality specialists. We pair advanced purification technology—like HEPA filtration, UV lights, and humidity control—with precision craftsmanship to chase dust, dander, and allergens out of every corner of your home. From the moment we arrive, our certified technicians test, diagnose, and fine-tune the airflow that keeps your family healthy and your energy bills low.
Because cleaner air starts with a well-tuned system, we integrate each solution directly into your existing heating and air conditioning equipment for seamless comfort year-round. Whether you’re battling summer humidity, winter dryness, or musty odors lingering in the ducts, HEP delivers the swift, courteous service Johnson City homeowners have trusted since 1981. Ready to inhale the difference? Give us a call today and let fresh, worry-free air become the new normal.
FAQs
Why is indoor air quality particularly important for Johnson City homeowners?
Johnson City experiences four distinct seasons, meaning homes are sealed tight for heat in winter and for cooling in summer. This limited air exchange can trap dust, pollen, pet dander, and humidity, aggravating allergies and respiratory issues. Improving indoor air quality (IAQ) reduces these contaminants, helping residents breathe easier and protecting HVAC equipment from premature wear.
How often should I replace or clean my HVAC air filters?
For most Johnson City residences, standard 1-inch fiberglass filters should be inspected monthly and replaced at least every 60–90 days. Pleated high-efficiency filters can last up to 3 months. Homes with pets, allergy sufferers, or recent construction debris may need filter changes as frequently as every 30 days. Consistent filter maintenance improves airflow, lowers energy bills, and extends system life.
What IAQ products can be added to my existing heating and cooling system?
Popular add-ons include whole-home air purifiers (such as HEPA or electronic air cleaners), UV-C germicidal lamps that neutralize bacteria and mold on the coil, humidifiers and dehumidifiers for balanced moisture, and energy recovery ventilators (ERVs) that bring in fresh outdoor air with minimal energy loss. A certified HVAC technician can assess your ductwork, square footage, and lifestyle to recommend the best combination.
Will improving indoor air quality lower my energy bills?
Yes. Clean filters, balanced humidity, and unrestricted airflow allow your HVAC system to run more efficiently, often reducing energy use by 5–15%. Additionally, proper humidity control helps you feel comfortable at lower thermostat settings in winter and higher settings in summer, yielding further savings.
How can I tell if my home has poor indoor air quality?
Common signs include musty or stale odors, visible dust buildup soon after cleaning, frequent allergy or asthma flare-ups, uneven humidity (dry eyes or static shocks in winter, clammy rooms in summer), and mold around vents or windows. An HVAC professional can perform an IAQ audit using particle counters, humidity meters, and carbon monoxide detectors to pinpoint issues.
How frequently should my HVAC system be professionally serviced in Johnson City?
We recommend a biannual tune-up—once in spring for the air conditioner and once in fall for the furnace or heat pump. During a visit, technicians inspect coils, clean condensate lines, test refrigerant levels, check electrical connections, and measure airflow. Regular maintenance ensures peak performance, maintains manufacturer warranties, and catches IAQ problems before they escalate.