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Indoor Air Quality

Breathe cleaner, healthier air all year long in Jacksonville homes.
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How often should I service my air conditioner or HVAC system?

It’s recommended to service your air conditioner and HVAC system at least once a year. For cooling systems, schedule maintenance before the summer season, and for heating systems, have them checked before winter. Regular maintenance helps ensure optimal performance and extends the lifespan of your system.

Common signs include:

  1. Unusual noises like banging, clicking, or hissing.
  2. Weak airflow or uneven cooling/heating.
  3. Higher-than-usual energy bills.
  4. Strange odors coming from the vents.
  5. The system is constantly running but not maintaining the desired temperature.

If you notice any of these, contact a professional technician promptly.

The duration of the repair depends on the issue. Minor repairs can take a few hours, while more complex problems, such as compressor replacement, may take longer. Our technicians strive to resolve issues as quickly as possible without compromising quality.

It depends on the age and condition of your system. If your HVAC unit is over 10–15 years old and requires frequent repairs, replacement might be more cost-effective in the long run. A new system can also offer improved energy efficiency and performance. Our technicians can assess your system and recommend the best option for you.

Indoor Air Quality Services

With rising concerns about pollutants, allergens, humidity, and stale indoor air, our IAQ solutions help create a comfortable, safe environment for your family.

What We Provide:

  • Advanced Filtration Upgrades
    Upgrade to systems like HEPA filtration or MERV-rated filters that capture dust, pollen, pet dander, VOCs, and more—improving airflow and indoor cleanliness throughout your home 

  • Whole-Home Purification & UV Light Options
    Add UV germicidal light or ionization systems to neutralize airborne pathogens, mold, and odors—ideal for allergy and asthma sufferers or those facing mold issues 

  • Humidity & Ventilation Control
    Install energy recovery ventilators (ERVs), fresh air ventilators (FAVs), or dehumidifiers to balance humidity, reduce condensation, and keep mold at bay while optimizing system efficiency.

  • Duct Cleaning & Inspection
    Remove built-up dust, mold, or pest debris that worsens indoor air and strains HVAC performance. We also locate and seal leaks to improve airflow and energy efficiency.

  • Ongoing IAQ Service & Maintenance
    Regular maintenance, filter changes, and system tune-ups enhance IAQ and extend equipment lifespan—essential for allergy sufferers and better HVAC health overall.

Your Benefits
  • Reduced allergens and contaminants for improved respiratory health
  • Balanced humidity to prevent mold and promote indoor comfort
  • Lower allergy symptoms, fewer asthma flare-ups, and cleaner air
  • Smarter airflow management that reduces energy costs

Why IAQ Matters in Jacksonville

Jacksonville’s humid climate can foster mold, bacteria, and dust mites in poorly ventilated systems—leading to health issues, increased dust, and even indoor air illness symptoms like irritation or fatigue. Our indoor air expertise ensures your HVAC system is part of the solution—not the problem.

🔧 IAQ Product Options

OptionBenefit
High‑SEER / ENERGY STAR filtersCapture finer particles without restricting airflow
UV germicidal / Ionization unitsNeutralize viruses, mold spores, bacteria
Energy Recovery Ventilators (ERVs)Bring fresh air without energy loss
Whole‑home HEPA filtrationReduces allergens across entire HVAC circuit
Smart humidistat monitoringKeeps humidity between 40–60% for optimal comfort

What to Expect from Below Zero Jax

  1. Initial home or ductwork evaluation to pinpoint IAQ concerns

  2. Recommendations tailored to your home’s layout, allergies, and humidity

  3. Safe and code‑compliant installation by certified technicians

  4. Post‑installation testing and user guidance on filter and sensor upkeep

With our IAQ solutions, you’re not just addressing comfort—you’re investing in health, energy efficiency, and lasting indoor peace of mind. Let’s help you breathe better in your home.