Medical Definition of Sulfa drug Sulfa drug: One of the sulfonamides, the sulfa-related antibiotics which are used to treat bacterial and some fungal infections. The first sulfa drug was prontosil. It was discovered by the German physician and chemist Gerhard Domagk in 1935. Sulfa drugs kill bacteria and fungi by interfering with their metabolism. They were the wonder drugs before penicillin and are still used today.
NEXT STEP. Find out how much your project will cost. Provide a few details about your project and receive competitive quotes from local pros. The average national cost to install a geothermal heating or cooling system is $5,745, with most homeowners spending between $3,534 and $11,089.
However, heating a home with a geothermal heat pump or a cold climate heat pump would be less expensive than using oil.At $4.67 a gallon for oil, it would cost the same to produce the same amount of heat using oil or electric baseboard heat.or example, a home that uses 800 gallons of oil for heating would use about 25,300 kilowatt-hours to produce the same amount of heat. Visit www.cmpco.com for a link to a more detailed spreadsheet from the Department of Energy to compare heating costs.