One of our ordained ministers is doing a house blessing this weekend, so we sent her these interfaith, multi-faith ceremonies.

How to Bless a House. Several methods with pictures:  https://www.wikihow.com/Bless-a-House

Nice Feng Shui spiritual house blessing that I have used: http://jaymebarrett.com/blog/2013/05/how-to-perform-a-simple-house-blessing/

Navajo House Blessing:  http://www.jammed.com/~mlb/hogan.html