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Insulation & EnvelopeWhere Your Home Leaks Air: Central Texas Air Sealing PrioritiesIn most Central Texas homes, the biggest air leaks aren't windows and doors but hidden openings in the attic and ductwork. Sealing between the…
Air ConditioningAC Refrigerants Explained: R-22, R-410A and R-454BRefrigerant carries heat out of your home in an AC or heat pump. R-22 production ended in 2020, R-410A is being phased down under…
Health & SafetyAre Ozone Generators Safe for Indoor Air?No, ozone generators should not be run where people or pets are present. The EPA advises against using them as air cleaners in occupied…
Building ScienceSmart HVAC Design: Manual J, D & S ExplainedManual J, S and D are the ACCA standards for designing home HVAC. Manual J calculates your home's heating and cooling load, Manual S…
Health & SafetyHidden Home Hazards: Radon, CO, Asbestos, Lead Paint and FireThe main hidden home hazards are radon, carbon monoxide, asbestos, lead paint and fire. Most can't be seen or smelled, so the basics are…
Tips & TricksSmart Thermostats: Are They Worth It?For many homes, yes. ENERGY STAR estimates certified smart thermostats save about 8% on heating and cooling bills on average, mostly through better scheduling.…
MaintenanceThe True Cost of Neglecting HVAC MaintenanceSkipping HVAC maintenance usually costs more in the long run: dirty filters and coils raise energy use, small problems grow into expensive repairs, equipment…
Indoor Air Quality (IAQ)How to Improve Indoor Air Quality with Your HVAC SystemYour HVAC system filters particles, removes moisture and circulates air through the house, so it's your best tool for indoor air quality. The biggest…
Tips & TricksRepair or Replace Your HVAC System? How to DecideRepair usually makes sense when the system is fairly young, the fix is minor and it still cools well. Replacement is often better when…
Tips & TricksWhy Is My HVAC System Making Noise? Troubleshooting GuideMost odd HVAC noises point to a specific problem: banging or grinding usually means loose or worn mechanical parts, buzzing and repeated clicking are…
Air ConditioningThe Benefits of an Energy-Efficient HVAC SystemAn energy-efficient HVAC system uses less electricity or fuel to keep your home comfortable, which can lower bills and improve humidity control. Cooling efficiency…
Maintenance10 Signs Your HVAC System Needs MaintenanceCommon signs your HVAC system needs maintenance include uneven temperatures, weak airflow, rising energy bills, strange noises or odors, a sticky, humid house, short-cycling…

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