Lasko Ellipse 18-inch Ceramic Tower Space Heater (CT18950 / CT18951) review

The Lasko Ellipse 18-inch ceramic tower is sold in two finish configurations: Black model CT18950 and Silver model CT18951. The color is the only difference established by Lasko's current page, native product record and shared New 1/25 manual. Both have three heat levels, a separate two-speed fan-only mode, a thermostat, base oscillation, a remote and a 12-hour shutoff countdown. This is a floor-standing heater, not the tabletop Ellipse CD12950/CD12951 pair.

Choose it for a clear floor spot, not a tight tabletop

Lasko lists an 18.2-inch height and a 7-by-7-inch body footprint. That compact-looking base does not describe the amount of room the instructions require. The heater must stand on a stable, flat, level surface; keep combustible materials at least three feet in front and one foot at the sides and rear. The intake and exhaust must remain clear, and the power cord should not run beneath rugs or through a traffic path. Before choosing this model, check the full clearance zone around the floor position. Its small footprint does not make a bedside, crowded desk or narrow corner suitable.

Power setup is equally specific: the shared CT18950/CT18951 manual says to connect the heater directly to a 120-volt wall receptacle, not an extension cord, power strip, surge protector, outlet adapter or cord reel. It also says not to plug other devices into the same outlet or circuit. This is for dry indoor residential use; the manual excludes bathrooms, laundry areas, wet or damp locations and outdoors. It says not to leave the heater operating unattended. Tip-over and thermal-overload cutoffs are useful safety features, but they do not cancel the placement and supervision requirements.

Three heat levels and a separate fan mode

The manual distinguishes High, Medium and Low heat from fan-only mode F1/F2. That makes the fan setting useful when you want air movement without the heating element; it does not chill the room. Automatic temperature control can cycle the heater around a selected room target. The instructions describe heat shutting off around two degrees above that target and restarting around one degree below it, while noting that the display shows room temperature, not the temperature of the hot air leaving the grille. Those are the maker's control instructions, not an accuracy test.

The remote adds Auto, Eco and Sleep choices. Eco runs automatic temperature control on Low. Sleep keeps the current setting for an hour, then switches to low-heat automatic control aimed at 68°F and turns the display off. The separate display can also dim automatically after ten seconds, and the remote can snooze the display. Lasko's manual still says not to leave the heater operating unattended, so neither Sleep nor the thermostat makes an unattended or overnight plan appropriate. Two AAA batteries are needed for the remote and are not included.

Countdown, oscillation and limits of the listing

The auto-off timer reaches 12 hours, using half-hour steps through two hours and hourly increments after that. The documentation does not describe a scheduled later start. That distinction matters if you want to arrive home to a warmed room: an off countdown is not a start schedule. The child lock has a similar boundary. Holding its control disables heater functions except Power, and any active functions remain on; it is not a lock that blocks power or a substitute for keeping controls away from children.

The product page advertises widespread oscillation and 120-degree heat distribution. The manual confirms a base-oscillation control but does not give a mechanical sweep angle or name an axis. Treat the 120-degree phrase as Lasko's distribution claim, not a verified 120-degree arc or promise of even temperatures. The page also claims operation below 40 dB and lists coverage up to 200 square feet, but supplies no test conditions or independent room results. They may help describe Lasko's positioning, not predict what this heater will do in your particular room. Exact per-stage wattages are not published in the reviewed sources, even though the page lists a 750-to-1,500-watt range and a 1,500-watt maximum.

Which Ellipse configuration fits?

Choose CT18950 if you want the Black finish, or CT18951 for Silver; the shared manual and native listing do not establish a functional difference. The CT18950 was marked unavailable in the dated collection snapshot and CT18951 available; that is not a current-stock guarantee. The product page lists 3.1 pounds while the native record lists 1,361 grams for each variant, so an exact weight is unresolved. If you need a heater for a tabletop, compare the separate 12-inch CD12950/CD12951 Ellipse rather than treating the 18-inch tower as a desk model. If you need app control, a later scheduled start, a power-blocking child lock, bathroom permission or a quantified sweep angle, the reviewed documentation does not support those requirements for this pair.

Assembly involves snapping together the two support-base pieces and attaching the base to the heater body; the listing describes the work as tool-free. For routine care, the manual says to unplug before moving or servicing, vacuum the intake grilles every two weeks, and never disassemble the heater. Lasko lists a three-year limited warranty. Those practical details make the Ellipse a feature-rich floor option when the clearance zone and direct outlet are genuinely available, but its suitability depends more on the room layout and supervised-use plan than the word “tower” or its compact base.

See the Lasko product page and CT18950/CT18951 New 1/25 manual for complete product and operating details.