There are several options when choosing a glazed door. For maximum light, consider a door with a large glass area. For privacy and security, opt for one or two small sections of glass, or glazing that is decorative and obscures the view into your house. If there is a possibility of ultraviolet (UV) damage to floors, rugs and furniture, consider choosing a glazing that resists UV rays.
Before you install a new air conditioning system, consider your home’s electrical system. It’s not uncommon for old houses to have only 110-volt, 60-amp service for the entire home, barely enough power to handle the home’s existing complement of lights and appliances. Central air conditioners require a dedicated 230-volt circuit and may require 20 to 50 amps of power, making an electrical service upgrade necessary. Have an electrician size your home’s electrical supply up before your HVAC contractor begins work.