The Lasko ceramic tower heater is a seasonal appliance used for spot-heating bedrooms, offices, or living areas to reduce whole-home heating costs. Most issues involve the fan, thermostat/sensors, safety switches (tip-over/overheat), or internal wiring stressed by repeated heat cycles.
Repair is only occasionally worthwhile because new heaters are inexpensive and safety-critical; the best "repairs" are often cleaning dust buildup, ensuring unobstructed airflow, and replacing a damaged cord (if serviceable). If a heater fails safety features, overheats, smells of burning plastic, or shuts off unpredictably, replacement is strongly favored even if the quote is under the threshold, because the risk profile changes.
Replace is also sensible when the fan becomes loud or airflow weak, since that can raise internal temperatures and trigger more faults. Given the low cost of new units, any professional labor charge typically makes replacement the safer and more economical decision.