KilowattHoursPage.cs

public partial class KilowattHoursPage : BasePage
{
    public KilowattHoursPage(IWebDriver driver) : base(driver)
    {
    }

    public override string Url
    {
        get
        {
            return "http://www.metric-conversions.org/temperature/celsius-to-fahrenheit.htm";
        }
    }

    public void ConvertKilowattHoursToNewtonMeters(double kWh)
    {
        this.CelsiusInput.SendKeys(kWh.ToString());
        this.driverWait.Until(drv => this.Answer != null);
    }
}