In 1957, he made the first nonstop supersonic flight across the United States, flying from Los Angeles to New York in three hours and 23 minutes. Glenn was preceded in space by two Americans, Alan B. Shepard Jr. and Virgil I. âGusâ Grissom, and two Soviets, Yuri A. Gagarin and Gherman S. Titov. In April 1961, Gagarin was the first man in space, and his spacecraft Vostok 1 made a full orbit before returning to Earth. Less than one month later, Shepard was launched into space aboard Freedom 7 on a suborbital flight. In July, Grissom made another brief suborbital flight aboard Liberty Bell 7.
Most customers will spend between $700 and $2,800 for a mid-quality heat pump, not including labor costs. Depending on the brand, model and installation factors like drilling or excavation, this can take the cost up to $9,000.
Heat pump prices and heat pump estimates. When entering the market for a heat pump, know that there are two general types of heat pumps available for you: air source heat pumps and geothermal heat pumps. Costs for an air source heat pump usually range from $1,500 to $7,500 for the purchase and installation.