Can a room in a commercial house be a shrine to ancestors? Because my living room faces west.

The position of the altar should be 1, and the niche or altar should be placed outside the living room and hall from the inside out. In other words, you should face the gate, but if you can't meet this requirement due to environmental restrictions, you should also turn him in the direction of the gate to avoid rushing to the gate, that is, you will see the shrine or altar as soon as you enter the room, and keep a certain distance from the gate. 2. It should be in a quiet place, and the place should be quiet and tidy. It's best not to have audio, television and other things near the shrine or altar. Don't face the bed. Don't look at the dining table, kitchen and toilet, because Bodhisattva can't hide indecent behavior and animal products. If the conditions are limited, some people put shrines or shrines in their bedrooms and block them with a yellow curtain when they sleep. 4. The shrine or altar should be supported, and the back should not be empty. The next door to the wall can't be a toilet or a kitchen. The shrine or altar should not be under the beam. 6. If conditions permit, the shrine or shrine should not be too low and the height should be moderate. 7, the number of support, one can, not too much, for example, for gods such as Bodhisattva, Bodhisattva should be higher than God, because God's level is lower than Bodhisattva, and Buddha and Bodhisattva are supreme. 8. Generally, the orientation of Buddhist shrines or altars should not be placed in the south and west of the home [this orientation can be slightly biased], and other orientations can be adopted, which is best determined according to the feng shui layout of the living room. 9. Buddhas and Bodhisattvas had better worship from west to east. 10, the problems needing attention in offering sacrifices: ① The number of incense, one incense is enough. Three is fine. If you are busy at ordinary times, you can burn incense on the fifteenth day of the first month. Sacrifice the fruit. It's best to keep the fruit fresh, and don't wait for the fruit to go bad before changing it. Replaced fruits can be enjoyed with family members. (3) A glass of water before Buddha. Offer flowers conditionally.