What changes when a microwave pulls air from the front as well as the bottom?

Samsung announced a new over-the-range microwave for the U.S. and Canada that adds a front air intake to the usual bottom one. The company says the two intakes together capture up to 82 percent of cooking fumes in lab tests, putting ventilation performance on par with standalone hoods under the same conditions.

Two intakes instead of one

The appliance sits above a cooktop the way over-the-range microwaves always have. What changes is the ventilation path. A traditional unit pulls air through a single grille on the bottom face. This one adds a second intake on the front panel, just below the control display. The front intake targets the front burners directly. The bottom intake covers the rear burners and the center. Together they create a wider capture zone across the entire cooktop surface.

Samsung cites an 82 percent fume capture rate. The number comes from chamber tests run on February 9, 2026 at the ICE&KS Pre-Development Lab. The method uses carbon dioxide as a tracer gas following the LBNL 2020 protocol. The test compared the dual-intake microwave with a single exhaust against standalone Samsung hoods under identical conditions. The announcement notes that actual results vary with installation, duct type, cooking method, and environment. It also states that DualVent requires installation per guidelines. How many existing kitchens meet those guidelines is not specified.

Front blades that open themselves

Extra intakes usually mean extra steps. A cook has to pull a flap down or push a panel up before turning the fan on. This microwave skips that. A single tap on the LED-lit control menu activates ventilation. Motorized front blades slide open automatically. When the fan is turned off, the blades close on their own. No manual flipping. No pushing. The mechanism is built into the front panel so the intake appears only when it is working.

The fan will still run automatically for safety if the temperature at the bottom of the unit gets too high. That safety function overrides any other setting. The announcement does not say what temperature triggers it or whether the front blades open during that automatic cycle.

Auto Connectivity ties the microwave to the cooktop

The microwave can talk to compatible Samsung cooktops or range ovens over Wi-Fi. Both appliances must be registered in the SmartThings app. When the link is active, one-touch controls on the microwave turn the cooktop and the microwave on or off simultaneously. The feature is called Auto Connectivity. It only works with certain Samsung cooking appliances that have Wi-Fi connectivity. Which models qualify is not listed in the announcement. The microwave itself must also be on the same Wi-Fi network.

If the safety fan triggers because of high heat at the bottom, that function takes precedence over Auto Connectivity. The announcement does not explain whether the cooktop stays on or shuts off in that scenario.

Fingerprint resistant finish

The exterior uses a coating that resists fingerprints. The announcement describes it as helping maintain a clean appearance. No details are given about the coating composition, durability, or cleaning method. The finish is presented as a practical addition rather than a technical specification.

Where the explanation stops

The 82 percent figure is a lab result under a specific test protocol. Real kitchens have different duct runs, different cabinet clearances, different cooking habits. The announcement acknowledges this with a standard variance disclaimer. It does not provide capture rates for common installation variants such as recirculating mode versus external venting, or for duct lengths beyond the minimum. It does not say how the front intake performs when a tall pot sits on the front burner. It does not say whether the motorized blades add audible noise compared to a fixed grille. It does not give a model number, price, or exact September 2026 ship date. The product exists in the announcement. The rest arrives when it ships.