DGL Air Conditioning and Heating, Inc.'s installation technicians are the best in skill, attitude and workmanship. They will care for your home and complete the job with speed and precision. They will not wear shoes on your carpets. They will clean up when they are finished and take personal responsibility for your satisfaction. They will not smoke or swear in your home and they are drug-free. If, when they have finished in your home, they have not performed in accordance with these high standards, you don’t pay until you are satisfied with the results.