HVAC Troubleshooter | Central HVAC

Step 1

What is your HVAC system doing?

Pick the symptom that best matches what you are seeing right now.

❄️ AC is running but not coolingWarm air, weak cooling or house not reaching setpoint. 🧊 Indoor coil or refrigerant line is freezingIce on coil, cabinet or large insulated line. 🌬 Weak airflow from ventsAir is cool or warm, but volume is low. 🌀 Outdoor AC unit is not runningIndoor blower may run, but condenser is silent. 💧 AC is leaking waterWater near furnace, air handler, drain or ceiling. ⏱ System keeps turning on and offShort runs or repeated starts and stops. 🔥 Furnace will not startNo heat call response or blower never starts. ♨️ Furnace is blowing cold airBlower runs but supply air is not warm. ♨️ Boiler is not heating properlyNo heat, some zones cold, radiators/baseboards not heating or boiler will not fire. 💧 Boiler is leaking or making unusual noiseWater near boiler, pressure concerns, banging, knocking or gurgling. 🌡 Thermostat is not working correctlyBlank display, wrong reading or no response. 💦 Indoor humidity is too highSticky indoor air or moisture concerns. 🔊 HVAC is making a new noiseBuzzing, rattling, grinding, squealing or banging. 👃 HVAC has an unusual odorBurning, musty, electrical or gas-like odor.

Step 2

Tell us what you are seeing

The questions below change based on the symptom you selected.

Optional: add a photo

A photo of the thermostat, equipment, frozen line, water, filter or visible issue can help document the condition.

📷 Take or choose a photoOn a phone, this can open the camera.

Step 3

What type of HVAC system do you have?

🔥Gas furnace + central AC ♨️Gas furnace + heat pump 🌬Air handler + central AC 🔁Air handler + heat pump ♨️Gas boiler / hot-water heat ♨️Oil boiler / hot-water heat ♨️Steam boiler 📦Package unit ?Not sure

Approximate system age

When did the problem start?

Step 4

Where should we send your HVAC troubleshooting report?

First name * Last name * Street address * City * State * ZIP * Email * Mobile phone *

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