First time visiting Oahu and had a wonderful time. The best perks were the free parking, proximity to Manoa Falls, Diamondhead Crater and Costco! The kitchen is also a huge cost saver. The blender, stove and refrigerator came in handy every day. Alyssa is a kind host, easy to work with and responds quickly.
The bed is comfortable. I am 6'2" and slept perfectly with my partner. The parking driveway is steep. However, our standard rental car went up and down easily WITHOUT scraping. If your car has a low suspension, then it may scrape if not done at an angle. We had no problems with the driveway.
The air conditioner makes normal sounds. I would not consider it noisy or distracting. My partner and I slept soundly without disruption from the air conditioner.