As of September 2015, some good exterior house stains are Flood Exterior Stain, Behr House and Fence Wood Stain, and Cabot Acrylic Siding Stain. All average more than 4.5 stars in online retailers' five-star user rating systems.
Flood Exterior Stain is oil-based. Reviewers at Lowe's website say that the stain is high quality, durable and easy to clean. Behr House and Fence Wood Stain is an oil-latex formula that resists mildew growth. Online reviews at The Home Depot report that it stays fresh-looking and covers easily.
Cabot's stain is acrylic. Comments at Ace Hardware's website state that the product goes on smoothly and lasts a long time.