Depending on the model, the prices for Marley electric heaters range from around $40 for the Q-Mark 2512W model to over $5,500 for the Q-Mark MUH254 model, as of 2015. With a bulb voltage of 120 volts, the less expensive models are normally intended as sources of supplemental heat.
The Q-Mark 2512W model features a heating element design that directs the air flow away from the walls while providing efficient air circulation. Since it?s a baseboard model, it can be mounted directly to a carpeted floor. The most powerful and expensive model features a wattage of 25,000 watts and weighs over 90 pounds. Although it doesn?t have any special features, it's capable of reaching an air flow of over 2,000 cubic feet per minute.