Features
Manual heater tilt vs powered vertical oscillation
A heater outlet that can be pointed up or down by hand does not necessarily oscillate vertically while it runs. DREO's Whole-Room Heater 517 makes this distinction visible: its outlet swings 70° from side to side under motor power, while its vertical 60° tilt is adjusted manually. The 714 and 715 document powered movement on both axes. Those are different operating plans, not three labels for the same feature.
Choose motion that fits your routine
Manual vertical tilt is useful when you are willing to aim the heater once, then let its horizontal sweep pass through a seating or work zone. It can help set the airflow height for the placement you have chosen, but the vertical angle does not keep changing on its own. If people move between high and low positions or you specifically need continuous up-and-down circulation, manual aim will not satisfy that essential need.
Powered vertical oscillation changes the outlet angle as the heater runs. The 714's U.S. manual provides selectable 30°, 60° and 90° horizontal arcs plus 30° or 60° vertical movement. The 715's U.S. page lists a 70° horizontal and 45° vertical sweep; its manual confirms separate horizontal and vertical controls, but does not list selectable angle sizes. Neither swing specification proves even temperature around the room, and both still need the clearances in their manuals.
Do not confuse oscillation with 360° output
A heater with a fixed 360° outlet sends heated airflow around the unit without needing to rotate through a left-right arc. The 725 is documented for 360° airflow; the 720's U.S. product page describes both a focused and 360° direction setting, although the U.S. manual bridge remains unresolved. Those features may suit a different placement than a moving outlet. Select the finder option for two-axis sweep only when both horizontal and vertical movement are documented; a fixed circular outlet does not pass that question.
Use a strict requirement, not a feature-name shortcut
Before buying, ask whether you need to choose a vertical aim once, require automatic vertical movement, or want airflow around the full circumference. Then check the exact model and manual. If manual tilt is enough, the 517 adds fan-only operation, three heat levels and published body dimensions of 14 × 11.2 × 7.6 inches. If vertical movement must be automatic, the 714 and 715 are the documented alternatives among these models; the 714 has more selectable arcs and published dimensions, while the 715's overall dimensions are not established in the sources reviewed. If a fixed outlet suits the room better, compare the 725 instead.
Body dimensions are not operating clearances. Reserve the space specified by the exact manual, keep a heater away from combustible materials and use the recommended outlet. A manually tilting head is never a reason to angle a heater toward curtains, bedding or a path where it can be knocked over. See the Whole-Room Heater 517 assessment and the 714-versus-715 comparison for model-specific limits.