A dairy cow emits over twice the amount of methane than a beef cow and is by far the highest contributor of all the animals studied. There are also more dairy cows in the UK than beef cattle (1.81 million compared to 1.66 million). All data found from the UK GHG Inventory report 1990-2012.
Angieâs List members in 2014 reported paying an average cost of $5,230 to install a new central air conditioners, with a general price range of $4,425 to $6,025, not counting discounts many service providers offer to Angieâs List members.
1 On average, an air conditioning unit can cost anywhere from $400 to as much as $5,000. 2  This is not going to include the price of installing it. 3  For example, a house that is anywhere from 1,500 to 2,500 square feet will need an air conditioner that will provide enough power to cool each room. An air conditioning unit is capable of providing cold air to different sized rooms, and this depends on the capacity of the air conditioner; the higher power output the unit has, the more expensive it will be. 2  On average, an air conditioning unit can cost anywhere from $400 to as much as $5,000.