Pricing for video ads also varied depending on where they were located on-screen. Online video consultancy LiveRail estimated that overlay ads ran CPMs of $7.40 and in-stream ads were priced at $16.40 in Q4 2008. AccuStream iMedia Research put the average 2008 figure as high as $35 for premium preroll online video ads.ricing for video ads also varied depending on where they were located on-screen. Online video consultancy LiveRail estimated that overlay ads ran CPMs of $7.40 and in-stream ads were priced at $16.40 in Q4 2008. AccuStream iMedia Research put the average 2008 figure as high as $35 for premium preroll online video ads.
Prices for pellet stoves run from $1,700 to $3,000 for the stove and $150 to $400 for installation.
With the average household requiring approximately 11 tonnes of wood pellets per year, a domestic-use biomass boiler will typically cost an estimated Â£15,000 during its first year.ased on these figures, it could be around six or seven years before the systems start to pay for themselves. Biomass Boilers are a hot topic in the UK, as the Government's 2020 target of generating 15% of all power from sustainable fuels comes closer.