
Struggling with allergies, musty odors, or persistent respiratory issues at home is a sign that your environment requires professional attention. Poor indoor air quality (IAQ) is often the invisible culprit behind chronic health symptoms and reduced comfort, particularly in climates with fluctuating humidity levels like Henryville. Contact us today to schedule a comprehensive air quality assessment.
Licensed and insured professionals ensuring your air quality solutions meet and exceed industry standards.
The air inside your home can be significantly more polluted than the air outside. Modern homes are built to be tightly sealed for energy efficiency, which keeps conditioned air inside — but also traps contaminants. In Henryville, where cold winters and humid summers challenge indoor environments, moisture imbalances and pollutants easily accumulate.
When air is not properly circulated, filtered, or treated, it collects dust, pet dander, VOCs from household products, and biological contaminants like mold and bacteria. This affects respiratory health, especially for individuals with asthma, allergies, or weakened immunity.
Beyond health concerns, poor IAQ also harms your home and HVAC equipment. High humidity enables mold growth; dry air cracks wood. Dust buildup reduces HVAC efficiency and shortens equipment lifespan. Addressing IAQ protects both your health and your home.

We deliver whole-home air quality solutions that integrate directly with your HVAC system — far more effective than portable units that only treat a single room.
Standard HVAC filters protect equipment, not lungs. Our advanced filtration systems clean the air throughout your home.
Henryville’s climate requires humidity management year-round.
We follow a systematic, data-driven process to ensure your home gets the exact IAQ solution it needs.
Technicians evaluate visible IAQ issues and use tools to measure particulates, humidity, CO₂, VOCs, and more to determine precise problem areas.
Equipment recommendations depend on the root cause:
Our licensed team ensures every IAQ component integrates safely and correctly.
We test humidity control, UV system operation, and airflow balance. Homeowners receive instructions for controls and maintenance options, including annual filter changes and UV bulb replacements.
Many homeowners assume their basic HVAC filter is enough — but it usually isn’t. Consider upgrading if you notice any of the following.
If allergies improve when outside the home but return indoors, airborne contaminants are likely the cause. Upgraded filtration and purification can make a dramatic difference.
Stubborn odors, mustiness, or stale air indicate poor ventilation or hidden mold. ERVs provide a long-term fix when opening windows isn’t practical.
Mold growth or constant dusting signals poor humidity control or filter bypass. Sealed media cabinets drastically reduce dust circulation and protect ductwork.
New HVAC systems benefit from IAQ upgrades that keep coils and motors clean, helping maintain efficiency and extend lifespan.
The Henryville climate demands seasonal adjustments for optimal indoor air quality and system performance.
Superior IAQ depends on correct sizing, precise installation, and an understanding of air and moisture science. Our technicians are trained in the latest purification and humidity-control technologies and use professional diagnostic tools to verify performance.
We maintain clean work areas, ensure airtight duct modifications, and provide systems that operate quietly and efficiently in the background. Whether retrofitting or installing in a new build, we help create a healthier, more comfortable home.
Your home’s air should support your wellbeing — not compromise it. Schedule a professional indoor air quality consultation with Allegiance Heating & Air, LLC. to begin creating a cleaner, healthier, and more comfortable environment for your family. Explore our reviews to see how homeowners trust our expertise, learn about our maintenance plan for year-round protection, and check out our specials to find current opportunities available for your home.
MAINTENANCE PLAN
ALLEGIANCE HEATING & AIR, LLC SERVICE CLUB
At Allegiance Heating & Air, LLC, we provideprofessional HVAC maintenance and offer exclusive deals and discounts within our Service Club Membership to those in and around New Albany, IN. Members of Allegiance Heating & Air, LLC Service Club receive the following benefits:


BENEFITS OF THE MANTEINANCE PLAN
One free cleaning on your A/C.
One free cleaning on your furnace.
Priority scheduling.
Free trip fee with service calls.
Reduced after-hours trip fees.
15% discount on parts and labor.
