Powerhouse Exterior CleaningWindow cleaner in O'Fallon, MO

Powerhouse Exterior Cleaning is ranked #2 of 39 window cleaners in O'Fallon by CR Score, with 64 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Powerhouse Exterior Cleaning is open 7 days a week. Its listed hours are Monday to Sunday, 7 AM – 7 PM. On Saturdays it is open 7 AM to 7 PM, and on Sundays 7 AM to 7 PM. Hours come from the business listing; holiday hours may differ.

Serves O'Fallon and 11 towns within 15 miles: Weldon Spring, Dardenne Prairie, Saint Peters, Lake Saint Louis, Chesterfield, Saint Charles, Wentzville, Wildwood, Ellisville, Ballwin and Maryland Heights. The list is based on the business's location and the usual service radius for window cleaning. Confirm your address is covered when you call.

Powerhouse Exterior Cleaning has a rating of 5.0 from 143 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Powerhouse Exterior Cleaning on (636) 538-0606. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.