As summers across the US become increasingly hot, keeping your home comfortable can sometimes feel like an uphill battle, with air conditioning and fans often seen as the only answer. But creating a cooler home doesn't always require a major renovation or running the AC around the clock.
There are some surprisingly clever appliances and small upgrades that can make a real difference, helping rooms feel fresher, improving airflow, and reducing heat build-up indoors. Many of these ideas can help you keep a home cool without AC, while others are smart ways to cool a room with fans and use air movement more effectively throughout the day.
According to data from Climate Central, temperatures are rising across every season in the United States, with many cities experiencing more frequent and intense heat waves. That makes finding ways to keep a home cool in a heat wave increasingly important, not just for comfort but also for protecting your health, reducing energy use, and minimizing the strain extreme temperatures can place on your home.
From smart gadgets to simple investments that quietly do the hard work for you, these five solutions can help create a cooler, more comfortable home this summer and well beyond.
1. Use Fans to Encourage Air Circulation
When temperatures soar, it’s easy to assume the air conditioner is the only real solution. But one of the simplest and most effective ways to make a room feel cooler is simply getting the air moving more intentionally.
I’ve been doing this a lot recently, especially on warmer evenings, and it’s made a noticeable difference. Rather than immediately reaching for the AC, I’ve been using fans more strategically to encourage airflow through the house, and rooms genuinely feel fresher and less stuffy as a result.
If you have a ceiling fan, make sure it’s spinning counterclockwise during summer. This pushes air downward and creates a gentle wind-chill effect that helps you feel cooler, even though the room temperature hasn’t actually changed. Keeping air circulating like this can also help reduce how long you need to run the air conditioning.
Portable fans can be just as effective when used with a bit more intention. Instead of pointing one directly at yourself, think about how air moves through your home and use fans to create a natural cross-breeze. This helps push trapped heat out while drawing cooler air back in – one of the simplest ways to keep a home comfortable without over-relying on AC.
I genuinely love the Shark TurboBlade Fan and the Dyson Purifier Cool Gen1 TP10 from Amazon – both feel like some of the best fans I’ve used for creating steady, consistent airflow without the room ever feeling stagnant.
Try this: place one fan about three feet in front of a sun-drenched window facing outward to push hot air outside, then position a second fan near a shaded window angled into the room to draw cooler air in. I’ve found this works especially well first thing in the morning and later in the evening when temperatures drop, and it’s one of those small tweaks that can make a home feel noticeably more comfortable without much effort.
2. Use Lightweight Fabrics to Filter Heat and Light
When it’s hot outside, it’s tempting to throw open every window in the house. But during the hottest part of the day, that’s often the quickest way to let more heat indoors. I’ve been much more conscious of this recently, keeping blinds and curtains partially drawn in sunny rooms and waiting until the evening to open windows once temperatures have started to drop.
The exception, of course, is during particularly humid weather. If it’s still warmer or stickier outside than it is indoors, it’s usually best to keep windows closed and focus on shading rooms from direct sunlight instead.
I’ve also been paying much more attention to the fabrics in my home. Soft furnishings play a bigger role in summer comfort than I think many of us realise. Natural materials like linen and cotton feel noticeably cooler and allow air to move more freely, whereas synthetic fabrics often seem to hold onto heat and make rooms feel heavier and stuffier.
Good window treatment ideas make a particularly big difference. I’ve been looking at pieces like the Pieced Stripe Cotton Blend Woven Blackout Curtain from Anthropologie and the Blackout Aruba Curtain Panels Natural from Threshold™ at Target – both of which strike that balance between blocking harsh sun and still feeling considered in a space.
While blackout curtains can be helpful, I do find heavier styles can sometimes make a room feel a bit closed off in summer. Instead, I lean toward lighter layers or breathable fabrics that soften sunlight while still letting natural light filter through.
A mix of airy cotton or linen-style curtains can be surprisingly effective. They help diffuse strong sun, reduce heat gain, and keep rooms feeling bright, fresh, and usable throughout the day, which is exactly the kind of atmosphere I want at home in summer.
3. Create a Cooling 'Buffer' Around Your Home
Some homes seem to hold onto heat no matter what you do. If yours tends to stay warm long after the sun has gone down, it can help to think beyond the four walls of your home and focus on the spaces just outside it.
Even something as simple as sitting on a shaded patio or balcony for an hour can feel noticeably cooler than being indoors. These outdoor spaces can act as a kind of cooling buffer, creating a gentler transition between the heat outside and the rooms inside.
This idea has long been used in warmer climates, where verandas, porches, and planted courtyards help temper heat before it reaches the home itself. You can borrow the same principle in your own home and garden. A shaded seating area with plenty of greenery, an outdoor fan to encourage airflow, or even a few well-placed planters positioned near doors and windows can all make a surprising difference.
I’ve always loved how much impact a simple window box or planter can have here. The Tuscan Ceramic Rectangle Planter for windows from Nordstrom is a personal favorite of mine for this, and the Bloem Dura Cotta Window Box Planter in Green from Nordstrom has been sitting on my wish list for a while now.
If you have a balcony, don’t underestimate its potential. One of the best things you can do is fill it with plants. Lush containers, climbing vines, and window boxes help create pockets of shade and prevent the sun from striking walls and glass directly. This is especially useful for south- and west-facing rooms, where surfaces can quickly absorb heat and then radiate it back indoors well into the evening.
If you want to cool a room naturally, start by shading the outside of your windows. External shade is far more effective at reducing heat gain than relying solely on curtains or blinds indoors. And if you’re planning to leave windows open after sunset to catch cooler air, adding bug screens can make the whole setup much more practical during the height of summer.
4. 'Burp' Your Home After Sunset
Most of us instinctively open the windows during the day and close them at night. But when it comes to keeping a home cool in summer, doing the opposite can often work much better.
Rather than shutting everything up in the evening, wait until the sun has gone down and then open windows and internal doors for an hour or two. It's a small habit, but it can leave rooms feeling noticeably fresher by bedtime and help prevent heat from building up indoors day after day.
The idea is often referred to as 'house burping', and it's based on a principle that's been used in warm climates for centuries. Traditional homes were designed to work with the rhythms of the day, absorbing heat and slowly releasing it after sunset. Modern brick and concrete homes behave in much the same way.
By opening windows at night and creating a cross-breeze through the house, you're allowing trapped heat to escape while drawing in cooler air from outside. It works particularly well in places where evenings are significantly cooler than daytime temperatures, but it can also help prevent homes from becoming increasingly stuffy during humid weather. Then, before the late morning sun begins to warm the house again, close windows, blinds, and curtains to keep that cooler air indoors.
It's one of those surprisingly simple habits that can make a home feel far more comfortable during a heatwave, and it doesn't cost a thing.
5. Consider an Air Conditioning Upgrade
When temperatures become consistently high, a fan can only do so much. Air conditioning takes things a step further by actively cooling the air, rather than simply moving it around the room. In very hot climates, it can be one of the most effective ways to keep a home safe and comfortable during prolonged heatwaves.
While passive cooling methods like airflow strategies and shading can make a noticeable difference, sometimes they simply aren't enough when the heat becomes too extreme or prolonged. In those moments, mechanical cooling becomes less of a luxury and more of a practical necessity.
That said, a full central system isn't always practical or necessary. If a permanent installation isn't an option, or you're looking to avoid the cost of replacing an older unit, a portable air conditioner can be a smart alternative.
When weighing up portable air conditioners vs built-in systems, portable or window units tend to be far more affordable upfront and offer a flexible solution. They can be moved between rooms, allowing you to focus cooling where you need it most, rather than running a whole-house system all day.
One top-rated option to consider is the Coolblus Portable Air Conditioner from Amazon, which is consistently rated for its strong cooling performance and ease of use in small to medium-sized rooms. It combines cooling, dehumidifying, and fan functions in one unit, making it a practical all-in-one choice for managing summer heat in a more targeted way.
This more focused approach can also help manage energy use more efficiently, especially when you're only cooling occupied spaces rather than the entire home.
Shop Home Cooling Essentials
I have this and really love it, especially how quiet it is even on higher settings. The Air Multiplier technology creates a smooth, powerful stream of airflow, and the 10 settings make it easy to adjust throughout the day. I also use the 70° oscillation to keep air moving around the room, and the sleep timer is really handy at night. Small details like the magnetized remote that stores neatly on the unit make it feel really well thought through.
Control your fan hands-free with Alexa or Google Assistant, or adjust settings instantly via the DREO App from anywhere. With airflow speeds up to 25 ft/s, 6 speed levels, and 4 modes, it moves effortlessly from a soft breeze to a more powerful wind depending on the moment. A 90° oscillation and extended wheel design help distribute air evenly throughout the room, creating a consistent, cooling flow in every corner.
I’ve just ordered the Shark® ChillPill™ and I’m actually really excited to try it out this summer. It’s a 3-in-1 fan, mist, and InstaChill™ personal cooling system, so you can switch things up depending on how hot it gets. The high-speed fan pushes airflow up to 25 ft per second, the misting attachment gives that instant dry-touch refresh, and the InstaChill™ cooling plate kicks in within seconds for a proper quick cooldown when you need it most.
