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Which way should your ceiling fan spin? Do this to beat the summer heat

Which way should your ceiling fan spin? Do this to beat the summer heat

USA Today17-07-2025
With temperatures soaring, it's safe to say we're in the thick of a serious summer scorcher.
Cranking up the air conditioner has become essential, but staying cool can result in higher energy bills.
To keep costs in check, the U.S. Department of Energy's Energy Star program suggests setting your thermostat to 78 degrees during warm weather. Another tip? Follow the 20-degree rule: don't set your thermostat more than 20 degrees cooler than the outside temperature.
Still sweating it out indoors? Before you reach for that thermostat, here are a few other ways to chill out without breaking the bank.
Using ceiling fans are effective at keeping you cool and lowering energy costs
Using fans is one way to cool down your home without consuming as much energy as you would using an air conditioner.
Fans work by creating a wind chill effect. They blow air across your skin, helping sweat evaporate, and that evaporation is what cools your body down. Unlike air conditioners, fans don't cool the entire room, they cool the person using them. The more moisture that evaporates, the cooler you feel.
What way should your fan blades spin in the summer?
Set your fan blades to rotate counterclockwise. That direction creates a downdraft, pushing cooler air down from the ceiling and creating a breeze that makes you feel more comfortable, even if the actual room temperature doesn't change. It's a simple switch that can make a big difference on hot days.
Using a ceiling fan lets you bump your thermostat up by 4 degrees without sacrificing comfort, according to the U.S. Department of Energy.
More ways to beat the heat: Should your window fan blow in or out? Here's how to cut cooling costs
Using a window fan? The U.S. Department of Energy says to do this
Using a window fan to beat the heat? The U.S. Department of Energy has some smart tips:
If that's not an option, try using separate fans on each level to keep the air moving.
Extreme heat kills more than 700 people a year. Here's who's most at risk
When temperatures climb, high humidity makes things feel even worse. Moisture in the air makes it harder for sweat to evaporate, which means your body can't cool down as easily.
For some groups, the heat is more than just uncomfortable. It can be dangerous.
Each year, more than 700 people in the U.S. die from extreme heat, according to the Centers for Disease Control and Prevention.
The most vulnerable include young children, people with pre-existing health conditions, the elderly and outdoor workers. The CDC also warns that certain medications can increase the risk of dehydration or make you more sensitive to the sun. If you're on a prescription, it's important to talk with your doctor about heat safety.
Essential tips to beat the heat
Although it's still early in the season, here are some tips and tricks to help you beat the heat this weekend and beyond as temperatures climb.
Jennifer Lindahl is a Breaking and Trending Reporter for the Deep South Connect Team for Gannett/USA Today. Connect with her on X @jenn_lindahl and email at jlindahl@gannett.com.
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Radioactive wasp nest found at site where U.S. once made nuclear bombs
Radioactive wasp nest found at site where U.S. once made nuclear bombs

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  • NBC News

Radioactive wasp nest found at site where U.S. once made nuclear bombs

COLUMBIA, S.C. — Workers at a site in South Carolina that once made key parts for nuclear bombs in the U.S. have found a radioactive wasp nest but officials said there is no danger to anyone. Employees who routinely check radiation levels at the Savannah River Site near Aiken found a wasp nest on July 3 on a post near tanks where liquid nuclear waste is stored, according to a report from the U.S. Department of Energy. The nest had a radiation level 10 times what is allowed by federal regulations, officials said. The workers sprayed the nest with insect killer, removed it and disposed of it as radioactive waste. No wasps were found, officials said. The report said there is no leak from the waste tanks, and the nest was most likely radioactive through what it called 'onsite legacy radioactive contamination' from the residual radioactivity left from when the site was fully operational. The watchdog group Savannah River Site Watch said the report was at best incomplete since it doesn't detail where the contamination came from, how the wasps might have encountered it and the possibility there could be another radioactive nest if there is a leak somewhere. Knowing the type of wasp nest could also be critical — some wasps make nest out of dirt and others use different material which could pinpoint where the contamination came from, Tom Clements, executive director of the group, wrote in a text message. 'I'm as mad as a hornet that SRS didn't explain where the radioactive waste came from or if there is some kind of leak from the waste tanks that the public should be aware of,' Clements said. The tank farm is well inside the boundaries of the site and wasps generally fly just a few hundred yards from their nests, so there is no danger they are outside the facility, according to a statement from Savannah River Mission Completion which now oversees the site. If there had been wasps found, they would have significantly lower levels of radiation than their nests, according to the statement which was given to the Aiken Standard. The site was opened in the early 1950s to manufacture the plutonium pits needed to make the core of nuclear bombs during the start of the Cold War with the Soviet Union. Now the site has shifted toward making fuel for nuclear plants and cleanup. The site generated more than 165 million gallons of liquid nuclear waste which has, through evaporation, been reduced to about 34 million gallons, according to Savannah River Mission Completion. There are still 43 of the underground tanks in use while eight have been closed.

Radioactive wasp nest found at site where US once made nuclear bombs

time30-07-2025

Radioactive wasp nest found at site where US once made nuclear bombs

COLUMBIA, S.C. -- Workers at a site in South Carolina that once made key parts for nuclear bombs in the U.S. have found a radioactive wasp nest but officials said there is no danger to anyone. Employees who routinely check radiation levels at the Savannah River Site near Aiken found a wasp nest on July 3 on a post near tanks where liquid nuclear waste is stored, according to a report from the U.S. Department of Energy. The nest had a radiation level 10 times what is allowed by federal regulations, officials said. The workers sprayed the nest with insect killer, removed it and disposed of it as radioactive waste. No wasps were found, officials said. The report said there is no leak from the waste tanks, and the nest was likely radioactive through what it called 'onsite legacy radioactive contamination' from the residual radioactivity left from when the site was fully operational. The watchdog group Savannah River Site Watch said the report was at best incomplete since it doesn't detail where the contamination came from, how the wasps might have encountered it and the possibility there could be another radioactive nest if there is a leak somewhere. Knowing the type of wasp nest could also be critical — some wasps make nest out of dirt and others use different material which could pinpoint where the contamination came from, Tom Clements, executive director of the group, wrote in a text message. 'I'm as mad as a hornet that SRS didn't explain where the radioactive waste came from or if there is some kind of leak from the waste tanks that the public should be aware of,' Clements said. The tank farm is well inside the boundaries of the site and wasps generally fly just a few hundred yards from their nests, so there is no danger they are outside the facility, according to a statement from Savannah River Mission Completion which now oversees the site. If there had been wasps found, they would have significantly lower levels of radiation than their nests, according to the statement which was given to the Aiken Standard. The site was opened in the early 1950s to manufacture the plutonium pits needed to make the core of nuclear bombs during the start of the Cold War with the Soviet Union. Now the site has shifted toward making fuel for nuclear plants and clean up. The site generated more than 165 million gallons (625 million liters) of liquid nuclear waste which has, through evaporation, been reduced to about 34 million gallons (129 million liters), according to Savannah River Mission Completion. There are still 43 of the underground tanks in use while eight have been closed.

Why Bigger Isn't Better When It Comes To HVAC Systems
Why Bigger Isn't Better When It Comes To HVAC Systems

Forbes

time30-07-2025

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Why Bigger Isn't Better When It Comes To HVAC Systems

Bigger is not always better. In American society, we're often conditioned to believe that bigger is better. While that mindset works in some contexts, it can be disastrous when applied to HVAC systems. According to a U.S. Department of Energy (DOE) report, improper HVAC installation is alarmingly common—impacting approximately 65% of systems evaluated. Among these, 31% were found to be 2021, Air Doctors Heating and Cooling—a Southeast-based home performance contractor—surveyed 3,880 homes. Their findings were even more startling: 98% of the systems were oversized by at least 200% of their heating capacity, and at least 33% oversized in cooling capacity. Oversizing can lead to poor comfort, higher energy costs and increased likelihood of equipment failure due to short cycling. The Automobile Analogy More power can't hurt, right? You might wonder: What's the big deal with having extra capacity? More power can't hurt, right? Not installing a heavy-duty pickup truck engine on the frame of a compact car—and then using it to commute to work. It's inefficient, overkill and, ultimately, harmful. That's what happens when HVAC systems are oversized: they're mismatched to the needs of the space, causing performance and reliability Challenges With the automobile analogy in mind, know that furnaces and boilers operate most efficiently when they reach their steady-state operating temperature, which typically takes five to 10 minutes. If the system shuts off before reaching this state—common with oversized units—the combustion process never achieves optimal efficiency. This results in burning more fuel without fully converting it into usable heat, leading to waste and higher utility same holds true for oversized air conditioners and heat pumps. These systems tend to short-cycle—turning on and off in quick succession—requiring more electricity to repeatedly start the compressor than to simply run it steadily. Additionally, short run times don't allow the system to effectively remove humidity from the air, potentially causing comfort issues, material degradation, and in extreme cases promote the growth of microorganisms like mold or Cycling and Mechanical Stress Short cycling is one of the most damaging consequences of oversizing. It accelerates wear and tear on critical components, reducing system lifespan and increasing repair frequency. Think again of the driving analogy: most people would agree highway miles are gentler on a vehicle than stop-and-go city traffic. In HVAC terms, short cycling is the equivalent of stop-and-go driving—stressful, inefficient, and costly over Compromises Oversized HVAC systems often fail to maintain steady indoor temperatures. They cool or heat too quickly, shut off, and leave behind uneven conditions. Homeowners frequently respond by adjusting their thermostats more aggressively, which only exacerbates the issue. The result is discomfort, frustration, and a system that's constantly fighting Importance of Load Calculations The cornerstone of any successful HVAC retrofit or installation is an accurate load calculation. This determines the heating and cooling requirements needed to keep the space comfortable. If the calculation is wrong, everything downstream—equipment selection, duct sizing, airflow balancing—will also be off. The consequences include energy waste, occupant discomfort, shortened equipment life, and increased service calls.A Smarter Approach: Amply Energy One company addressing this issue head-on is Amply Energy, a software innovator for heat pump professionals. Amply's sales and design copilot enables contractors to generate better proposals faster. It features real-time ACCA Manual J load calculations, 3D floor plans, virtual installs, and polished sales documents—making it easier to do the job right the first Eric Fitz and Ed Smith, who also co-host The Heat Pump Podcast, regularly discuss the challenges and opportunities in HVAC entrepreneurship and asked about how widespread the issue of residential HVAC systems being installed without accurate load calculations, and the impact this has on system performance and homeowner comfort, Eric said 'Unfortunately, especially in retrofit situations, it's still quite common for systems to be installed without proper load calculations. Poor sizing can result in uneven temperatures, higher utility bills, potentially shorter equipment lifespan, and degraded indoor air quality. Oversized systems, for example, tend to cycle on and off too quickly, which results in less effective dehumidification and less time for air to be filtered. The biggest risk is fundamentally getting the design wrong, which often means significantly over- or undersizing the system. A flawless installation can't save a flawed design.'Ed Smith added, 'We have a lot of empathy for contractors here. They're being asked to do more than ever. Traditional load calc tools are clunky and slow. That's why we built Amply—to make proper design fast, intuitive, and part of the sales process. If contractors see how easy it is to use such tools and experience the reactions from homeowners, it'll make doing proper load calcs a no-brainer for the industry.'Conclusion Oversized HVAC systems may seem like a precautionary upgrade, but they often cause more harm than good. From wasted energy and humidity issues to early system failure and poor occupant comfort, the hidden costs are significant. Proper load calculations are no longer a luxury—they are a necessity. With modern tools like Amply Energy's software, contractors can confidently right-size systems, earn trust with homeowners, and improve overall performance. In the world of HVAC, smarter—not bigger—is better.

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