Once you see the dust storm coming, it's also good to shut off the HVAC system until it passes, if possible. This will minimize the chances of drawing dust inside and protect the compressor if too much dust is deposited on the condenser coil.
Turning it off keeps the system from pulling in dust that's already trying to push in. And besides, it protects your equipment from any power outage that might occur during a storm.
Turn Off Your Air Conditioner
While there's only a small possibility that lightning will strike your home, it can cause a huge power surge through your electrical system if it does happen. Around five billion joules of energy can be sent through the wiring even before the breaker is tripped.
But you shouldn't run your AC if the temperature is below 60°F. Heat pumps: Modern heat pumps are effective at around 25 to 30°F. Ductless mini-splits: Avoid using the cooling function when temperatures fall below 60°F.
When dust accumulates within your AC unit, it places undue stress on its components, putting them at higher risk for damage and malfunctions.
Running your system on constant fan will run air through your filter more often, reducing the amount of dust your family breathes in your home.
In order to keep dust in check, you should consider purchasing a high-efficiency filtration system. Look for those with a high Minimum Efficiency Reporting Value (MERV) since such filters are able to trap very small particles of dust and other contaminants.
Whether that's because you have a health condition that makes you feel too hot or it's simply a comfort preference, it can become a problem, even for Central Florida. That's why the majority of HVAC companies recommend that you do not turn your AC on if the temperature dips below 60 degrees Fahrenheit.
The only times that it makes sense to turn off your air conditioner completely are when it's cool enough outside to open your windows and allow the outdoor air to keep your home's temperature at a moderate level. That doesn't mean, however, that you can't save energy when your home is unoccupied.
Since 72 degrees is generally agreed upon to be an ideal indoor temperature, most people would probably still feel comfortable setting their AC units slightly higher than this, perhaps at around 75.
Turning off your air conditioner at night can save up to 30% on cooling costs, especially in areas with cooler nighttime temperatures. Opening windows at night is more energy-efficient if outdoor temperatures are similar to or cooler than your thermostat setting.
Myth: If you are in a house, you are 100% safe from lightning. Fact: A house is a safe place to be during a thunderstorm as long as you avoid anything that conducts electricity. This means staying off corded phones, electrical appliances, wires, TV cables, computers, plumbing, metal doors and windows.
Yes, the odds of suffering a lightning strike are incredibly small, but it is more likely to strike if your unit is already on and generating electricity.
Stay indoors if possible.
If you are outside when a dust storm begins, cover your nose and mouth, and seek shelter immediately. Close doors and windows, and bring pets inside.
Air Duct Leaks
In fact, according to ENERGY STAR, the average home loses between 20%–30% of the air flowing through its ductwork, typically through gaps around fittings or unsealed joints in the duct system. The result is increased dust in your system, which then circulates throughout your home.
If temperatures will remain mild, it's okay to turn the AC off. However, if scorching temperatures are forecasted, HVAC companies recommend keeping the AC on at a setting of 80 or lower to prevent excess heat and humidity from taking a toll on your home's structure, cooling appliances, and contents.
But, generally speaking, if you want to get the best cost and comfort, set the temperature on your AC unit to 77 or 78 degrees Fahrenheit, and just leave it running. Bonus points if your unit has an “auto” setting, and if you've made sure the place is weather-tight and insulated.
Turning off your AC when it's not cooling is more than a precaution; it's a necessary first step in troubleshooting and protecting your system from further damage. By understanding when to perform simple checks and when to call in the experts, you ensure your air conditioner remains a reliable refuge from the heat.
Consequences of Running Your Air Conditioner 24 Hours a Day
Wasted energy: Running the AC to cool your home beyond your comfort level wastes energy and contributes to an increased carbon footprint. This is bad news for the environment and your energy bills.
When should you turn off your air conditioner? The answer is when the average daytime temperature stays consistently below 70 degrees Fahrenheit. But if you want to save money and reduce your environmental impact, it's best to turn off your AC as soon as the weather starts to cool down.
Yes, frequent cycling of your air conditioner can lead to increased wear, more repairs, and a shorter lifespan for your system. Avoid frequent cycling to maintain the longevity of your AC.
While you might be tempted to simply turn the AC off, it's actually better to adjust the temperature several degrees higher, by about 7-10 degrees. By installing a programmable thermostat and making this simple adjustment you can potentially save as much as 10% on your energy bill.
Many people seem to believe that air conditioners bring in fresh air from outside the house and bring it inside. For some, this causes concern when there are high pollen days or a lot of pollutants in the air. The truth is that most air conditioners do not pull air from outside.
Air conditioners can help maintain indoor air quality to some extent by filtering out larger particles such as dust, pollen, and pet dander. However, they may not be as effective as dedicated air purifiers at removing finer particles and pollutants.