John Carlsen

Review Coleman has an assortment of efficient central air conditioners, as well as some less-efficient options for customers on a budget. The brand has a very competitive warranty and builds durable air conditioners.

The Vornado AC550 is a small-room air purifier that uses charcoal pre-filters, HEPA filters and a fan to purify indoor air, and it does not produce any ozone or charged ions in the process.

Review The Whirlpool Whispure AP51030K is a powerful air purifier best suited to larger rooms and offices.

Review Small home owners, the Kenmore 83396 Air Purifier might work well for you if you can overlook its lack of an auto mode.

The Winix U450 is a large-room air purifier that has a HEPA filter and an energy-efficient design. This air cleaner comes with several convenient features, including an auto mode and a remote control.

Direct Energy Solar's website is full of information. While the customer representatives were relatively quick to respond to questions, they aren't as helpful as some other companies are.

The Nest Cam Indoor is a security camera for smart home fans with lots of integrations and a top app.

Editor’s Note: This product has been removed from our side-by-side comparison because it is now part of ADT.

ELAN home automation systems give homeowners the convenience of controlling their homes using remote controls, touchscreen displays, mobile apps and more.

If you want to easily control the comfort, efficiency and safety of your home, RTI offers an exceptional selection of options that can be customized to create the best home automation system for your household and desires.

Review The State Premier Power Direct Vent GP6-50-YTPDT is an Energy Star-rated, 50-gallon gas water heater that boasts a 96 percent energy efficiency rating.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been discontinued.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been replaced by another product. You can still read our original review below, but Top Ten Reviews is no longer updating this product’s information.

Editor's Note: This review has been removed from our side-by-side comparison because it no longer ranks as a top 10 product. The original review is below, but check out our current top 10 about DIY Home Security here. DIY Security is a Florida-based company that sells Honeywell security equipment.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been discontinued.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been replaced by another product. You can still read our original review below, but Top Ten Reviews is no longer updating this product’s information.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been replaced by another product. You can still read our original review below, but Top Ten Reviews is no longer updating this product’s information.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been replaced by another product. You can still read our original review below, but Top Ten Reviews is no longer updating this product’s information.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been discontinued.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been discontinued.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been discontinued by the manufacturer. You can still read our original review below, but Top Ten Reviews is no longer updating this product’s information.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been discontinued. Top Ten Reviews is no longer updating this product’s information.

Editor's Note: This review has been removed from our side-by-side comparison because it no longer ranks as a top 10 product. The original review is below, but check out our current top 10 about Air Purifiers here.

Editor’s Note: This product has been removed from our side-by-side comparison because it has been replaced by another product.

Editor’s Note: This product has been removed from our side-by-side comparison because it is no longer available.