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.
Air Conditioner Installation Costs. As you can see above, the average cost to install all air conditioning units is roughly $4,700. Nonetheless, your AC unit cost will largely depend on the size you need. If your home is 1,600 square feet, a 2.5 ton air conditioner will cool it well and cost between $3,000 and $5,000.