Amazon deal of the day: Ecobee smart thermostat bundle, Dreo space heater, and Anker 535 PowerHouse

Check out the best Amazon deals of the day as of Oct. 21:

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Our top pick ecobee Smart Thermostat bundle $239.99 at Amazon (save $89.99)

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Best heater deal Dreo space heater $35.96 at Amazon (save $3.94)

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Best power station deal Anker 535 PowerHouse $329.99 at Amazon (save $170 with on-screen coupon )

Now that we’re over the Prime Day threshold, Amazon’s getting ready for the holiday shopping season by rolling out deals across a wide range of products, including smart home gadgets and appliances. If you want to get ahead of winter’s chilly embrace, we’ve rounded up some of the best deals to help you stay cozy without breaking the bank.

Here are our top picks for the best Amazon deals of the day on Oct. 21. If none of these seem particularly exciting, we’ll have a new post up tomorrow with the latest batch of deals to check out. You can also check our lists from Oct. 19 and Oct. 18. Most of these deals are still available, including the JBL Tune Flex true wireless noise-canceling earbuds and the Oura Ring Gen3 Horizon.

Our top pick

Opens in a new window Credit: ecobee ecobee Smart Thermostat bundle $239.99 at Amazon
$329.98 Save $89.99

Why we like it

The ecobee Smart Thermostat bundle (which includes a built-in air quality monitor and smart sensor with SmartSensor for doors and windows) is on sale for $239.99, down from $329.98. That’s a 27% discount or $89.99 off.

The bundle includes an ecobee Smart Thermostat (with a built-in air quality monitor) and a SmartSensor two-pack to help keep your home comfortable. The door and window sensors can monitor when doors and windows are opened and closed and adjust the temperature accordingly to save you energy (up to 26% per year, according to the manufacturer).

Best heater deal

Opens in a new window Credit: Dreo Dreo space heater $35.96 at Amazon
$39.99 Save $4.03

Why we like it

If you get cold easily or work in a chilly office, the Dreo space heater is 10% off and includes a remote. It’s small enough (3.04 pounds) to take to work or carry from room to room but has a 1500W advanced PTC system that can deliver heat up to 200% farther than a traditional space heater.

It also has a 12-hour timer, child lock, and memory function, so you can stay comfy no matter where you are. Plus, the tilt-detection safety system and V0 flame-retardant materials make it a safer heating option.

Best power station deal

Opens in a new window Credit: Anker Anker 535 PowerHouse $329.99 at Amazon
$499.99 Save $170.00

Why we like it

Check out our full review of the Anker 535 PowerHouse.

If there’s one thing we can count on, it’s unpredictable weather. With winter just around the corner and hurricane season still in full swing, it's smart to have a power source on hand for emergencies.

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• The best smart speakers from the biggest brands

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Right now, you can get the Anker 535 PowerHouse for $329.99 — that’s $170 off and a nice deal if you're looking for a backup power solution to keep your devices charged and running during an outage. The Anker 535 is also a Mashable favorite that we’ve recommended in the past for its powerful 1,024Wh battery capacity, multiple ports, and fast 60W USB-C charging.

“At $500, I can say that it is worth the investment for somebody who needs to be prepared for inclement weather (like myself living in Florida) or spends lots of time in remote areas and may not have access to outlets such as campers or those on a road trip,” writes Mashable contributor Jenna Clark.

None of these deals catching your eye? Check out Amazon's daily dealsfor even more savings.