by Mark Hansberger on August 9, 2011August 9, 2011 Even If Your System Isn’t All That Old, Upgrading to High-Efficiency … In places such as southwest Arizona, where the weather can get unbearably hot and stay that way, you not only have to deal with the temperatures but the cost of air conditioning as well. When […]Read More Filed Under: Air Conditioning– Energy Star– High Efficiency– Tax Credits and Rebates Tagged With: efficiency air– energy bill– high efficiency air conditioning– saving money– seasonal energy efficiency rating– southwest arizona– Yuma area in Arizona