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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 a home HVAC system: Manual J calculates your home's heating and cooling load,…
Health & SafetyHidden Home Hazards: Radon, CO, Asbestos, Lead Paint and FireThe main hidden hazards in many homes are radon, carbon monoxide, asbestos, lead paint and fire. Most can't be seen or smelled, so the…
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 moves air through the whole house. The biggest gains come from the right filter changed on…
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 utility bills and improve humidity control. Cooling…
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…
Indoor Air Quality (IAQ)Benefits and Deficiencies of UV Lights in HVAC SystemsA UV-C light in an HVAC system is best at keeping the evaporator coil and drain pan cleaner by limiting mold and bacterial growth…
Insulation & EnvelopeWhat R-Value Attic Insulation Do You Need in Austin?R-value measures how well insulation resists heat flow: the higher the number, the better it insulates. In Austin, the current building code minimum for…

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