FAQ Category: Heating

What Are the Most Common Furnace Problems, and When Do They Require Repair?

Common furnace problems include lack of heat, frequent cycling, unusual noises, weak airflow, and rising energy bills. These issues often require professional repair to restore safe and reliable operation.

How to Relight Your Pilot Light

To relight a pilot light, turn the gas control to OFF and wait five minutes, then set it to PILOT, press and hold the reset button, and ignite the flame with a long lighter or built-in igniter. Hold the button for 30–60 seconds so the thermocouple warms up. If the pilot light won’t light after two attempts, stop and call a professional.

How Often Should I Have My Furnace Serviced?

You should have your furnace serviced once a year. An annual tune-up keeps your system running efficiently, helps prevent mid-season breakdowns, and ensures all safety components are working properly. The best time to schedule furnace service is before colder weather arrives, so your system is ready when Austin and San Antonio finally cools down.

How Do I Know if My Heating System is Working?

Your furnace or heat pump should start quickly, warm each room evenly, and shut off once it reaches the set temperature – without unusual noises or smells. If your heater isn’t working or your furnace isn’t blowing hot air, Radiant Plumbing & Air Conditioning offers expert furnace troubleshooting to restore comfort and peace of mind.

What is Auxiliary Heat? And What Does Aux Heat Mean?

When you see “Aux Heat” on your thermostat, it means your heat pump is using its backup heat source to maintain temperature during cold weather. It’s completely normal and helps your system keep up when outdoor temps drop.

How Do I Know If My Home Needs More Insulation?

You may need more insulation if your home struggles to stay cool, has uneven temperatures, or your energy bills increase during the summer.

How Does Insulation Help My Home Stay Cooler in Texas?

Insulation helps keep your home cooler by slowing heat from entering, allowing your air conditioner to maintain a consistent indoor temperature.

How Much Does It Cost to Install a Thermostat?

The cost to install a thermostat depends on the type of thermostat, your system compatibility, and whether wiring updates are needed.

Can I Install or Replace a Thermostat Myself?

Some thermostats can be installed yourself, but improper wiring or setup can cause system issues or damage your HVAC equipment.

Does a Smart Thermostat Work With My AC, Furnace, or Heat Pump?

Most smart thermostats work with AC systems, furnaces, and heat pumps, but compatibility depends on your wiring and system type.

How Often Should an Air Handler Be Serviced?

An air handler should be serviced at least once a year, or twice yearly if your system runs year-round in hot climates like Texas.

How Do I Know If My Air Handler Needs Repair or Replacement?

Signs your air handler needs repair or replacement include weak airflow, strange noises, uneven temperatures, or higher energy bills.

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