June 4, 2020

Delta Breez SLM70 Slim 70 CFM Exhaust Fan Review

by WilliamTurner

DELTA ELECTRONICS (AMERICAS) LTD. BreezSlim SLM70 70 CFM Exhaust Bath Fan, SilverAnother ceiling-mounted bathroom fan we’re excited to share with you is the Delta Bree Slim 70 CFM Exhaust Fan. If you are on the market for something small and easily installed, this may be the fan for you.

This little fan efficiently moves 70 cubic feet of air per minute. This makes it a good choice as an only fan in small bathrooms, or as additional ventilation feature in larger areas. With its unobtrusive appearance and long-lived brushless motor, this is a smart, affordable choice that will give great returns.

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The Delta Breez is a smaller bathroom fan, but it packs a lot of power into its modest frame. With a 120-volt brushless motor, the Delta Breez goes all out in this department. More power doesn’t have to mean more noise, though. As it is running, this ventilator is relatively quiet.

The DC brushless motor lasts longer than regular motors, operates more quietly, causes less vibration, and uses less power.

The Delta Slim is tiny, measuring in at just 7.5 by 7.3 by 4 inches. If purchased as a replacement fan, you are unlikely to have much trouble fitting it in to whatever opening you have available. In most cases, you will be able to install this fan completely from below, with no need to access the attic.

The small size also allows this fan to keep a low profile, fading into the background of more decorative fixtures.

● Dimensions: 7.5 in x 7.3 in x 4 in
● Airflow: 70 CFM
● Weight: 1 lb.
● Material: Galvanized steel
● Color: White

Pros and Cons


● Sturdy, light-weight construction
● Efficient moisture-removal
● Very quiet
● Brushless motor
● Energy-saving technology


● Not powerful enough for larger areas
● Does not have a light


One of the best things about this little fan is how energy-efficient it is. Cutting-edge technology, including the brushless motor—which produces less heat, less noise, and less vibration—allows the Delta Breez to save up to 74 percent less energy than products of a similar size and power.

With its compact size and negligible weight (approximately 1 pound only), the Delta Breez is one of the easier ceiling or wall-mounted fans to install. The design is simple and concise, without too many unexpected features. A back-draft door protects the exhaust vent from letting air in when it is not expelling it.

If you have a small bathroom with a small ventilation fan, you likely find it necessary to leave the fan running for several moments after the bathroom has become steamed up to fully deal with the moisture. With many products, however, you may find that the constant noise of the fan nearly drives you crazy.

The Delta Breez solves this problem, as it operating so silently, and the manufacturers have included a small light that comes on to let you know that its running.

Unfortunately, this product does not feature a bulb large enough to provide even minimal light for a bathroom, so you won’t be able to use it in place of a ventilating fan that also includes a light. This is just a fan, so light fixtures will need to be considered separately.

Price and Warranty

This is easily one of the most affordable fans on our list. It is the perfect fan to pick up for sudden DIY renovations, as it will add little work and little cost to your project. You likely won’t regret purchasing it even if it may not be as likely to last as long as other bathroom units.

At the same time, the quality of this little fan is impressive, leading us to believe it won’t just be a temporary installation. The fan is designed to operate efficiently for years, saving you money on both ends. If your item is defective, the manufacturer offers a 3-year limited warranty.

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This little ceiling mounted ventilation fan honestly amazes us with its value. Not only is it small and simple to install, it has a quiet, modern look that will blend in wherever you decide to install it. The brushless motor is powerful, durable, and energy-saving.

It’s quiet, effective, well-designed, and constructed of high-quality materials—and at the same time supremely affordable!


Although it processes a fairly small amount of air at a time compared to larger fans, you can leave this little guy running almost indefinitely without using a ton of energy or being bothered by the noise, which will allow it to do the work of keeping your air clear and dry.

If you have a very large bathroom or need a ventilation unit that is capable of dealing with a large amount of moisture on its own, this may not be the fan for you. However, if you have a smaller room or simply want to add a little extra ventilation, it’s hard to go wrong with the compact quality of the Delta Breez.

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