On time, courteous, prepared with all the right equipment, safety conscious. Set to work promptly and kept working until the job was finished. Identified a defective window that we didn't realize we had and we were able to have it replaced under the warranty. They took a lot of pride in their work and hence were thorough. Our windows sparkled when they were done. The same was true of the pressure washing of the driveway and walkway. We will definitely use them again.