Indoor Air Quality in Boerne TX — Hill Country Home Specialists

Boerne homes need a layered approach: a high-MERV air filter (MERV 13+) to capture cedar pollen, a whole-home dehumidifier to manage the 70–80% summer humidity common in Kendall County, and a UV air purifier to address mold in ductwork. Honeycomb Air evaluates your specific home and recommends only what your zip code requires. Call (726) 233-6044 for a free Boerne IAQ assessment.

In Boerne and Kendall County specifically, the top three are: mountain cedar pollen (November–February, among the most allergenic pollens in the US), caliche limestone dust from Hill Country soil (especially in newer builds near Hwy 46 and FM 1604), and summer mold from 65–73% relative humidity. Standard fiberglass filters capture less than 10% of cedar pollen particles. Whole-home HEPA filtration addresses all three.

Yes — and Boerne’s location inside Kendall County’s cedar break territory makes this especially relevant. Cedar fever season (November–February) produces some of the highest pollen counts in Texas. If your HVAC system lacks HEPA-grade filtration, it recirculates cedar pollen, caliche dust, and mold spores every time it runs. Honeycomb Air installs Amana air purification systems proven to reduce airborne allergens. IAQ systems start at $700 installed.

Warning signs in Boerne homes include: musty odors from ductwork (common in Kendall County homes with older flex duct), visible dust on registers shortly after cleaning, allergy symptoms that worsen indoors, or humidity above 60% on a hygrometer. Omar Castilleja conducts a full IAQ inspection — checking HVAC coils, return-air plenums, and humidity levels — and provides written findings. Call (726) 233-6044 for a same-week appointment

For Boerne homes, we recommend MERV 13–16 filters for standard systems and Amana or Goodman whole-home air purifiers for severe cedar allergy cases. HEPA portable units help in individual rooms but don’t address ductwork contamination. UV air scrubbers — available free with qualifying installations through our current promotion — are effective for mold in coils common in high-humidity Kendall County summers. Call (726) 233-6044 for a recommendation specific to your system.

For most Boerne homeowners, a professional IAQ inspection is more actionable than a test kit. Honeycomb Air’s evaluation checks your actual HVAC system — coils, filters, ductwork, and humidity levels — and identifies the source of your air quality problem. This is particularly important in Kendall County homes where caliche dust accumulates inside return-air plenums invisibly. Evaluations are free with no pressure. Most Boerne appointments are available within 1–2 business days.

Boerne homes should change filters every 30–45 days during cedar season (November–February) — more frequently than the standard 90-day recommendation for moderate climates. The heavy pollen load in Kendall County clogs filters faster. During summer, change every 60 days minimum due to 70–80% humidity accelerating mold buildup. Comfy Club members receive annual filter inspections and priority service for just one low annual fee. Call (726) 233-6044 to enroll.

Yes — with the right upgrades. Standard Boerne HVAC systems use basic filters that miss cedar pollen (2–5 microns) and fine caliche particles. Upgrading to a MERV 13+ media filter or a whole-home Amana air purifier captures 95%+ of airborne particles. For pet dander, we add UV air scrubbers to neutralize allergens at the coil level. IAQ upgrades start at $700 installed. Free Air Scrubber included with qualifying installations — call (726) 233-6044.

Humidity is the #1 driver of mold growth in Boerne homes. San Antonio averages 65–73% relative humidity from May through September — Boerne’s Hill Country location adds moisture from the Edwards Plateau and frequent summer storms. Indoor humidity above 60% creates ideal conditions for mold in attic ductwork and HVAC coils. Honeycomb Air installs whole-home dehumidifiers that maintain indoor humidity between 30–50% — the optimal range per EPA guidelines. Systems start at $700.

Signs of ventilation problems in Boerne homes include: rooms that never cool evenly despite a functioning AC, condensation on windows in winter, stale or stuffy air in rooms away from the main return duct, or higher-than-expected energy bills. These are especially common in Kendall County ranch homes and newer builds in Esperanza where duct layouts weren’t designed for Hill Country’s extreme summer AC demand. Omar Castilleja can diagnose ventilation issues as part of a free IAQ evaluation. Call (726) 233-6044.