Spring Allergies and Indoor Air Quality: How To Keep Your Home Healthy
Schedule service with one of our expert heating & cooling technicians.

Spring in Victorville, CA, brings a vibrant bloom of colorful desert wildflowers, but it also comes with abundant pollen from oak and juniper trees. Pollen and other particles can easily infiltrate your home’s HVAC system, circulating throughout air ducts and making seasonal allergy symptoms worse.
With regular HVAC maintenance, duct cleaning, and duct sealing services, AC Plus Heating and Air helps Victorville residents enjoy the desert spring blooms and healthier indoor air quality.
The Connection Between Spring Allergies and Indoor Air Quality
Spring often triggers increased allergy symptoms for those sensitive to pollen and other particles. These particles enter homes through ventilation systems and other unsealed entry points, especially as the weather warms, humidity increases, and homeowners open their windows.
Along with mold or dust already in your system, these particles accumulate and circulate throughout your home via HVAC air ducts, exacerbating allergy symptoms and making it harder to breathe.
Symptoms associated with poor indoor air quality in the spring include:
- Sneezing and congestion
- Itchy and watery eyes
- Coughing and throat irritation
- Wheezing or shortness of breath
- Headaches
- Poor sleep and increased fatigue
Common Indoor Air Pollutants in Spring
Spring amplifies the presence of many airborne pollutants in your home, such as:
- Pollen: Pollen can enter through unsealed locations or by settling on clothing, shoes, and pets.
- Mold spores: Mildew and mold may develop in air ducts, especially if they’re poorly sealed and exposed to organic matter. Excessive condensation from inefficient HVAC operation or high indoor humidity may also encourage mold growth.
- Dander and dust: These microscopic particles come from household members, pets, and dust mites and may remain airborne for extended periods.
- Volatile organic compounds: Household cleaners, pesticides, and other products release VOCs as gases.
- Bacteria and viruses: Increased HVAC use may circulate bacteria and viruses. Frequent sneezing and nose-blowing also contribute to airborne droplets carrying pathogens.
Benefits of Duct Cleaning and Sealing
Air ducts carry air from your HVAC system to various rooms throughout your home, then return it for cooling or heating. A properly designed and maintained ductwork system supports healthy indoor air quality.
Duct cleaning removes built-up contaminants inside your air ducts, while duct sealing addresses leaks that allow unfiltered air to enter the system. These services provide several advantages for your indoor air quality and comfort.
Promotes Healthier Indoor Air
By removing built-up pollutants in your ductwork, regular duct cleaning prevents particles from recirculating throughout your home and causing or exacerbating allergy symptoms. Cleaning also prevents contaminants that may contribute to unpleasant odors, helping your indoor environment feel and smell fresher.
Blocks Pollutants
Ductwork often runs through attics, basements, and other areas that may not be fully sealed from outdoor air. Cracks, gaps, or loose joints in ducts may allow this unfiltered air to enter and introduce pollen, mold spores, and other allergens to the system.
Prevents Mold Growth
High humidity or organic debris within air ducts promotes mold growth and bacteria. Regular duct cleaning removes debris that sustains these pollutants, while sealing reduces moisture levels, limiting mold development.
Reduces Dust on Surfaces
Poor indoor air quality causes dust to accumulate more quickly on surfaces throughout your home. By reducing the amount of airborne particles, duct maintenance means you won’t have to clean surfaces as frequently.
Enhances HVAC Energy Efficiency
Dirty and leaking ducts cause your system to work harder to cool or heat your home by restricting proper airflow. Dust and other debris can also coat important HVAC components, such as the evaporator coil, and impede performance. Cleaning and sealing restore airflow and HVAC efficiency to reduce your household’s energy consumption and utility bills.
Extends HVAC System Service Life
Efficient HVAC systems experience less wear and tear. Clean and sealed ducts promote efficiency and reduce strain to prevent breakdowns and extend your HVAC system’s operating life.
How a Spring AC Tune-Up Can Help
An AC tune-up in the spring prepares your system for higher cooling demand ahead of peak summer heat. HVAC technicians inspect, clean, and adjust HVAC components to optimize their performance. A tune-up includes:
- Replacing dirty or clogged air filters.
- Checking refrigerant levels.
- Cleaning dust coils and other parts.
- Checking for mold or moisture issues.
Professional air conditioning maintenance also identifies minor issues before they escalate to bigger problems and breakdowns during peak demand. Tune-ups support your HVAC system’s airflow, filtration, and overall efficiency to optimize indoor air quality.
Improving Energy Efficiency With Regular Maintenance
Pollen, mold, and dust accumulation in your ductwork and HVAC system affect the performance and efficiency of numerous components.
Clogged air filters, obstructed ducts, and air leaks restrict airflow. Poor airflow means your system must work harder and for longer periods to circulate air and maintain the desired temperature. It also impedes the evaporator coil’s heat exchange process, especially if it’s coated in accumulated debris.
Regular maintenance addresses these inefficiencies to restore optimal system performance. Duct sealing may help offset up to 30% of energy loss from ductwork gaps and holes. By preventing unnecessary strain, maintenance helps prevent premature system wear and failure and contributes to overall reduced energy consumption and long-term savings.
Schedule Duct Cleaning and Sealing With AC Plus in Victorville, CA
An efficient HVAC system and cleaner ducts allow you to enjoy relief from spring allergens and other contaminants. Include ductwork in your spring cleaning schedule with HVAC and duct maintenance services from AC Plus Heating and Air. Contact us or schedule online to book a spring AC tune-up and optimize your HVAC system’s efficiency before the summer heat kicks in.
Written By Matt Postoian
Matt Postoian has been in the HVAC industry for over 20 years and is dedicated to providing homeowners in Southern California with total home comfort.
Service Request
"*" indicates required fields