Delta Breez SLM70 Review 

 March 16, 2018

By  Enda

If you are looking for a small effective bath fan, then it is worth checking out the Delta Breez SLM70 Slim 70 CFM Exhaust Fan. It is affordable and gets very good buyer ratings.

This fan can be ceiling or wall mounted and is a good choice for a small bathroom.

Delta Breez make a wide range of fans including bathroom ventilation fans. If you haven't bought one of these before, then it is important to understand some of the terminology that manufacturers used.

There are a number of different features that we know are particularly important, when it comes to buying a fan, and this is especially true when it comes to buying a bathroom fan.

I will cover those in a moment but with Delta Breez fans they are all very quiet when in operation, and they are all ENERGY STAR which means they meet the high standards set by the EPA, aimed at reducing greenhouse emissions.

For the actual user though they also use less electricity and as such help keep your bills lower.

How does the Delta Breez SLM70 work?

This bath fan comes in different airflow sizes of 50 CFM, 70 CFM, 80 CFM and 100 CFM. That is probably the most important measurement to understand when buying a fan.


CFM stands for Cubic Feet per minute. This means the amount of air extracted per minute when the fan is running. The size of the CFM needed is generally related to the size of area ventilated.

In this case it is the size of your bathroom. The larger the CFM the more air and steam can be extracted. The most popular choice for s amll to medium sized bathroom is 70 CFM.


We always put this at number two on our list of important considerations for a bath fan. Initially this does not sound that important of an issue. Believe me when I tell you that a noisy fan can drive your crazy.

When they run the ideal situation is that they do so quietly, and it is always important to check buyer reviews to see what their experience of noise has been.

We know the Delta range is efficient, effective and also low on noise. So what else do we look for in bath fans, and why should you consider this one?


When you fit a fan, and that can take your time to get it done properly, you don't really want to have to either repair it or replace it. You just want it to work and be reliable.

One of the first components to go in any fan is the motor. They burn out over time as they are used a lot. The reality is that the motor doesn't really burn out, but the small electrical brushes inside the motor do.

If you replace those then the motor will work again until those brushes wear out. Most people have no idea how to replace brushes, assuming they can even find out where to buy them.

Inevitably, they just end up replacing the fan


More and more manufacturers are changing the motor technology and have introduced what are called "brushless motors." That significantly reduces motor burn out and greatly extends the life of the product.

In this Delta SLM70, a brushless motor is used and that is a very good thing for longevity and reliability.

What Buyers Say About the Delta SLM70 Exhaust fan

In this section we have pulled together and summarized what real life buyers have to say. Overall they rate this fan with an 86% buyer satisfaction rating.


Around 2/3 of online buyers give this bath fan the full 5 star rating. Around 4% have given this one a bad rating. Let's have a closer look at what they had to say.

  • What Buyers Disliked
  • A few buyers said it was not quiet and it rattled
  • Some buyers said it was too hard to install and the instructions were poor

What Buyers Liked

  • Most buyers said it was not super quiet, but quieter than any other brand of fan they had tried before
  • The majority of buyers said that it moved a lot of air very quickly
  • Buyers liked the fact that it could be installed in the ceiling or on to the wall
  • Buyers also said that it was light in weight compared to other fans that they had installed before, and that does help with the fitting

Our Conclusion & Verdict on the Delta Breez SLM70 Bathroom Exhaust Fan

There are plenty of these types of fan on the market. The advantages of this model is that it is lightweight, easy enough to fit and it is very good at being energy efficient.

The majority of buyers sat that it is quiet and as long as you buy the right CFM rating to suit the size of the bathroom, it does a very good job at clearing a bathroom of steam and odors.

Fitting any fan is a straightforward process as long as you know what you are doing or have a lot of experience doing them. This was my job for many years and I enjoyed it.

You get used to fitting these and understanding how they work. The frustration mainly comes when you are trying to replace a fan, and the hole is a different size.

Many people trying to do this fit get frustrated and blame the fan and the instructions for their problems. Almost always those it is just about being patient and trying to carefully follow the instructions.

If in doubt get a professional to do this for you.

This Delta product is very good, easy enough to fit and works very well.


Here at TheIcySpot.com we are committed to helping you find the best fan for your home. We try to provide you with all the information that you will need on all types of fans and accessories to enable you to make the best and most informed buying decision.

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