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Troubleshooting


Before you contact us, please read through our brief HVAC troubleshooting guide. In most cases a service call will be needed to fix these problems but some of them can be fixed without calling a technician out. If you are experiencing a problem which requires attention please contact us today.

Tripped Breaker - One of the most common causes of no-cooling calls is a tripped breaker. Reset it before calling us. Hopefully, it won't repeat. If it does, call us. Something is causing the breaker to trip. Often, it's something simple, like a bad breaker, loose wire, or a bad capacitor. However, if not addressed, some simple problems could lead to far more expensive repairs.

Noisy Air Vents - The most common complaint is usually from return vents making a high-pitched, tuning-fork type of sound. This usually, not always, but usually indicates a lack of return air. The system needs to pull more air so the pressure and velocity increases, thus increasing the sound level. By adding more return air, the pressure reduces, the system doesn't have to works as hard and it quiets down. The system is designed to move a certain amount of air. By blocking either the return or supply vents it causes a pressure problem - increasing the sound level. An example is furniture blocking return vents, restricting airflow.

Power Source - Some heating and air conditioning systems have a wall switch at the indoor unit for safety and convenience that can be confused with a light switch. If this is accidentally switched off or left off during mild weather, your air conditioner will not start. Always check the position of this switch before calling us.

Thermostat Check –
Is the system selector switch in the "heat" position?
Is the temperature set at least 3 degrees above current room temperature?
If your thermostat is electronic, are the batteries charged? Is the display showing?

Forced Air Furnaces Only. If your thermostat has a switch to control the furnace fan, switch the fan "ON". (This switch will usually be located at the bottom of the thermostat, closer to the left side and will be marked "ON" and "AUTO".) Listen to hear the furnace fan coming on. If you cannot hear the fan, go to one of the supply registers and see if you can feel any air coming up. If the fan is not running, there may be no power to the furnace.

Refrigerant Leaks - An air conditioning system is a sealed system. It should never leak refrigerant. When it does, bad things happen. Your air conditioner efficiency falls and electricity use rises. Your air conditioner may not cool. The coil may freeze. The compressor could become damaged. Plus, refrigerants are greenhouse gases. Often the problem is as simple as a bad Schrader valve or a weakened connection between a fitting and refrigerant tubing.

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Call 513-385-5358 or contact us online.

Tropical Heating & Cooling | Cincinnati, Ohio


Serving in and around Cincinnati, White Oak, Finneytown, Forest Park, Blanchester, Western Hills, Amelia, Milford, Loveland & Hamilton, OH.