Daniel Simon, an elevator contractor and native of Southern California, divides his time between Orange County, where his primary residence has views of Newport Bay; a horse ranch in the mountains above Coachella Valley; and Palm Desert, where the home’s four bedrooms, five bathrooms and six distinct sitting areas welcome his guests on a grand but comfortable scale.⁠ ⁠ In early 2018, he paid $1.3 million for an empty 1/3-acre lot at Bighorn Golf Club, where he has clubhouse privileges that he says required an initiation fee of $100,000. He went on to spend $3.875 million to build, furnish and landscape the single-story house. The home’s key decorative touches include a fountain-enhanced courtyard pond just inside the main entrance and the great room’s $7,500 hand-carved basalt table, which sets the tone for the airy living space.⁠ ⁠ In the infernal summers, the 14-foot-high great room shuts out the heat and keeps in the cool, while glazing on all sides lets in the views of the mountains and the desert that drew Mr. Simon to the area in the first place. He spent $155,000 on his heating, cooling and ventilation system, which includes seven air-conditioning units. Underfloor heating for the bathrooms comes in handy in the winter, when nighttime temperatures can drop into the 40s.⁠ ⁠ In mild weather, Mr. Simon uses an iPad to open up the interiors with retracting doors. The great room and the patio become a single indoor-outdoor space, where he can sip his morning coffee made in his indoor kitchen’s built-in Miele machine.⁠ ⁠ Step inside the home by clicking the link in @wsjrealestate's bio.⁠ ⁠ 📸: @talktonatasha for @wsj