Dryer Vent Cleaning, showed client before and after pictures of work done. Preformed single system heating maintenance on a 2021 heat pump. I tested all safeties and electrical components on the inside unit. All tested within manufacturer specifications. I tested temperature split home was being supplied with 110 degrees and return of 71 degrees. I left estimates for a chemical wash of the out door unit since we only rinsed it with water today. Unit was heating upon departure.