Committed to your comfort. At A-1 American, we address your air conditioning, plumbing, or heating concerns quickly, thoroughly, and professionally. Because we know when you call us, you are probably already experiencing an uncomfortable situation in your home. Call us . So from your first call to us, we are working to make you comfortable. We respond to your needs quickly to identify the cause of the problem. We are very thorough when fixing both the issue causing the problem, and ensuring that your entire system is working properly.