These universal design features apply to the inner workings of a home that create comfort, ease-of-use, safety, and security.
| 6.1 | Audible and visual doorbell alert(s). | Why? |
| 6.2 | Peepholes (2) in door -or- sidelights at front door. | Why? |
| 6.3 | Light switches installed in every common space, and wired to activate [some] power outlets. | Why? |
| 6.4 | Light switches: toggle, rocker, pushpad, or pushbutton style. | Why? |
| 6.5 | Light switches: aligned with door handle height. | Why? |
| 6.6 | Outlets/ports installed no less than 16 inches from the floor (measured to bottom edge of cover plate). | Why? |
| 6.7 | Window controls and locks no higher than 48 inches from the floor. | Why? |
| 6.8 | HVAC controls between 36 and 48 inches from the floor. | Why? |
| 6.9 | HVAC controls easy to read, backlit, without needing pinching or grasping to operate. | Why? |
| 6.10 | HVAC filter access less than 48 inches from the floor. | Why? |
| 6.11 | Circuit breakers on the main floor, and mounted so the topmost option is no higher than 48 inches from the floor. | Why? |
| 6.12 | Shut-off valves for water and gas (if applicable) unobstructed and no higher than 48 inches from the floor. | Why? |
| 6.13 | Backup/redundant power | Why? |
| 6.14 | Audible and visual alerts for smoke detection, hardwired with battery backup. | Why? |
| 6.15 | Audible and visual alerts for carbon monoxide detection, hardwired with battery backup. | Why? |