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All Questions
100 canonical questions, grouped by categoryCooling (A/C)
Why is my AC running but not cooling?Why is my air conditioner blowing warm air?Why won't my AC turn on?Why does my AC keep turning on and off?Why does my air conditioner run all the time?Why is my AC making a buzzing or humming sound?Why is my AC making a grinding or squealing noise?Why is water leaking around my indoor AC unit?Why is ice forming on my air conditioner?Why does my AC smell musty, sour, or burnt?What causes a refrigerant leak?Does low refrigerant always mean there is a leak?Why does my AC drain keep clogging?Why does my AC keep tripping the breaker?Why does my thermostat say COOL but no cool air comes out?What does HVAC mean?How does central air conditioning work?What is the difference between an AC and a heat pump?What is a ductless mini-split?What are SEER and SEER2 ratings?How large should my air conditioner be?What is a Manual J load calculation?What does variable-speed HVAC mean?What equipment brands can Texas Heat & Air repair?Do new refrigerant rules mean I must replace my AC?
Heating
Why is my heater blowing cold air?Why won't my furnace turn on?Why does my furnace shut off too soon?Why is my heater making a loud noise?Why does my heat pump blow lukewarm air?Is frost on my heat pump normal in winter?Why is my outdoor heat pump covered in ice?What is emergency heat on my thermostat?Why does my heater smell when I first turn it on?How do I prepare my HVAC system for a North Texas cold snap?
Maintenance & Tune-Ups
How often should I service my HVAC system?What happens during an AC tune-up?What happens during a heating inspection?What HVAC care can I safely do myself?How often should I change my air filter?What happens if I skip HVAC maintenance?Can tune-ups prevent costly repairs?Is an HVAC maintenance plan worth it?What does a Texas Heat & Air maintenance plan include?Can missing maintenance affect my warranty?
Repairs & Troubleshooting
What are the signs of a failing AC capacitor?What happens when an AC contactor fails?How can I tell if my compressor is failing?Why has my outdoor AC fan stopped spinning?Why is the indoor blower not running?Should I repair or replace my air conditioner?How long does an air conditioner last in North Texas?Is a 10-year-old AC worth repairing?Is a 15-year-old AC worth repairing?Is a 20-year-old AC worth fixing?When is a compressor repair too expensive?Is there a simple repair-versus-replacement rule?Can a new AC lower my power bill?What matters most when buying a new HVAC system?Can I get a second opinion before replacing my AC?How much is an HVAC diagnostic visit?What does the diagnostic fee include?Does the diagnostic fee count toward my repair?How much does a typical AC repair cost?How much does a capacitor or contactor repair cost?How much does a refrigerant leak repair cost?What affects the price of a new HVAC system?Will I get a written estimate before repairs begin?Does Texas Heat & Air offer financing?What warranty comes with an HVAC repair?
Indoor Air Quality
Energy Savings & Efficiency
Why is one room hotter than the others?Why is my upstairs hotter than downstairs?Why is airflow weak at some vents?Can leaky ducts raise my energy bill?Does every home need duct cleaning?Can attic insulation improve cooling?Why does my home feel damp when the AC is on?Will a better HVAC filter clean my indoor air?Can a smart thermostat help save energy?
All Guides
15 canonical guidesBooking an HVAC Service Visit: Scheduling, Dispatch, and How to PrepareHVAC Emergencies and Severe-Weather Safety: What to Do FirstWhy Your Air Conditioner Is Not Cooling: A Homeowner's Diagnostic GuideSounds, Smells, Water Leaks, and Frozen Coils: What Your System Is Telling YouInside Your Air Conditioner: Components, Electrical Failures, and What Stays Hands-OffFurnaces, Heat Pumps, and Winter Heating in North TexasRepair or Replace? A Homeowner's Decision FrameworkDiagnostic Fees, Repair Pricing, and Written Estimates: What You Are Paying ForBuying a New HVAC System: Efficiency, Sizing, Financing, and WarrantiesPreventive Maintenance and the Home Comfort Maintenance PlanAir Filters, Indoor Air Quality, and Safe Homeowner MaintenanceHVAC Engineering Explained Simply: How Cooling, Sizing, and Efficiency Really WorkRefrigerants, Leak Detection, and the New Environmental RulesAirflow, Ductwork, Humidity, and Whole-Home ComfortChoosing and Verifying an HVAC Contractor in Texas