โBudget bath ventilation coverage points to Delta's BreezSlim humidity-sensing models as a low-cost way to add automatic moisture control, crediting the long-life DC motor and slim profile.โ
Is the Delta BreezSlim SLM70H worth it?
The Delta BreezSlim SLM70H ($84.12) is worth considering with a 7.5/10 consensus score across 4 expert reviews. Experts highlight built-in humidity sensor starts the fan above 60% rh and stops it below, automating moisture removal with zero settings to learn. and dc brushless motor sips just 13.2w and is rated for a 70,000-hour life, so it runs for years on a fraction of a builder-grade fan's energy.. family-handyman says: "Budget bath ventilation coverage points to Delta's BreezSlim humidity-sensing mo..." Best for: Tightest-budget buyers wanting humidity automation, Wall-mount situations where a ceiling fan will not fit.

Verified 28d ago
Affiliate link โ we earn a commission at no extra cost to you
Delta BreezSlim SLM70H
Smart Home
SmartHomeExplorer proprietary rating
4 expert sources
The Delta BreezSlim SLM70H earns a SHE Score of 6.1/10, driven by strong value (9.5/10) with room to improve in future-proofing (5/10). Based on 4 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score โExpert Consensus: 7.5/10 across 4 sources
Updated this weekโBudget bath ventilation coverage points to Delta's BreezSlim humidity-sensing models as a low-cost way to add automatic moisture control, crediting the long-life DC motor and slim profile.โ
Key Features
- โ Built-in humidity sensor: starts above 60% RH, stops below 60% RH
- โ 70 CFM coverage for rooms up to 65 square feet
- โ DC brushless motor at 13.2W, rated 70,000-hour life
- โ Slim 3.94-inch-deep body, UL listed for ceiling or wall mount
- โ 2.0 sones operation with LED indicator light
- โ ENERGY STAR certified, hardwired install
Best For
What Experts Agree On
What Experts Love
- โ Built-in humidity sensor starts the fan above 60% RH and stops it below, automating moisture removal with zero settings to learn.
- โ DC brushless motor sips just 13.2W and is rated for a 70,000-hour life, so it runs for years on a fraction of a builder-grade fan's energy.
- โ Slim 3.94-inch-deep body and UL listing for both ceiling and wall mounting make it the most placement-flexible budget pick here.
- โ At roughly $69 it is the lowest-cost way to get true humidity-triggered ventilation, covering rooms up to 65 square feet.
Common Criticisms
- โ At 2.0 sones it is among the loudest fans in this guide, a clear hum you will hear in a quiet bathroom.
- โ The 60% RH trigger is fixed, not adjustable, so you cannot fine-tune it the way you can on the Panasonic, Broan, and BreezSignature models.
Tap any pick to check its live price on Amazon.

eufy X10 Pro Omni
$479.98RecommendedView on Amazon
Level Bolt Smart Lock
$159-$199RecommendedView on Amazon
eufy Security eufyCam S3 Pro 2-Cam Kit
$549.99Must BuyView on Amazon
Apple AirTag (2nd Generation) 4-Pack
$94.99Must BuyView on Amazon
iRobot Roomba Combo j5
$199.99RecommendedView on Amazon
Ring Battery Doorbell Plus
$179.99RecommendedView on Amazon
What The Experts Say
โAffordable bathroom fan roundups note the Delta BreezSlim SLM70H's built-in humidity sensor and dual ceiling-or-wall mounting as standout value at its price, with the trade-off being higher noise.โ
Ready to buy the Delta BreezSlim SLM70H?
Check Price on Amazon$84.12 ยท 4 expert sources ยท 7.5/10 consensus
Frequently Asked Questions
Is the Delta BreezSlim SLM70H worth it?
The Delta BreezSlim SLM70H earns a 7.5/10 consensus score across 4 expert sources and is rated "Good Value". At $84.12, it is best for Tightest-budget buyers wanting humidity automation. family-handyman notes: "Budget bath ventilation coverage points to Delta's BreezSlim humidity-sensing models as a low-cost way to add automatic moisture c..."
How much does the Delta BreezSlim SLM70H cost?
The Delta BreezSlim SLM70H is priced at $84.12. With a 7.5/10 score from 4 expert reviews and a "Good Value" rating, that price represents fair value relative to the ~7.5/10 average for Smart Home products. Prices shift often, so check the live figure before buying.
Who is the Delta BreezSlim SLM70H best for?
The Delta BreezSlim SLM70H is best for Tightest-budget buyers wanting humidity automation, Wall-mount situations where a ceiling fan will not fit. Experts rate it "Good Value" with a 7.5/10 consensus across 4 sources.
How does the Delta BreezSlim SLM70H compare to other Smart Home options?
Among the Smart Home products we have aggregated, the Delta BreezSlim SLM70H ranks above average with a 7.5/10 score. bob-vila adds: "Affordable bathroom fan roundups note the Delta BreezSlim SLM70H's built-in humidity sensor and dual ceiling-or-wall mounting as s..."
What smart home systems does the Delta BreezSlim SLM70H work with?
The Delta BreezSlim SLM70H works with major smart home platforms. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
What are the best alternatives to the Delta BreezSlim SLM70H?
If the Delta BreezSlim SLM70H ($84.12, 7.5/10) is not the right fit, the closest alternatives in Smart Home are delta-breezsignature-vfb25aeh, broan-nutone-bes8-roomside. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Delta BreezSlim SLM70H?
The main strengths of the Delta BreezSlim SLM70H are built-in humidity sensor starts the fan above 60% rh and stops it below, automating moisture removal with zero settings to learn. and dc brushless motor sips just 13.2w and is rated for a 70,000-hour life, so it runs for years on a fraction of a builder-grade fan's energy.. The most-cited downside is at 2.0 sones it is among the loudest fans in this guide, a clear hum you will hear in a quiet bathroom.. Overall, 4 expert sources rate it "Good Value" with a 7.5/10 consensus score.
Sources & Methodology
This review aggregates 4 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Expert review sources cited on this page:
- family-handyman
- bob-vila
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 4 independent expert reviews โ we did not test this product ourselves. Always verify current prices and availability before purchasing.

