1 On average, a baseboard heater can cost $40 to $200 per unit up to 6 feet measure at 120 or more volts. 2  Some rooms may require more than one heater. 3  Typical baseboard heaters come in 120, 240, 500 and 1,000 volts. 4  Most measure at 4 or 6 feet. 5  A 120 volt heater will cost $40 to $120. Some rooms may require more than one heater. 2  Typical baseboard heaters come in 120, 240, 500 and 1,000 volts. 3  Most measure at 4 or 6 feet. 4  A 120 volt heater will cost $40 to $120.
Most Active Volcanos in the USA. Alaska Augustine Volcano Augustine volcano is one of the most active volcanoes in Cook Inlet, having a symmetrical cone rising 1,254 meters above the sea level. This volcano has erupted in 1812, 1883, 1935, 1963-64, 1976 and 1986, and surprisingly, the intervals between these eruptions have reduced from 70 to 10 years.
10. Mauna Loa, Hawaii. Mauna Loa, Hawaii (Yerphonebox/Flickr). This volcano in Hawaii has been active for 700,000 years or more. Thankfully many of the eruptions are slow, but occasionally the lava flows from the volcano are fast and pose a risk to nearby towns and villages.