Jacob has provided service to my residential and commercial properties. He returns calls for service and has been able to arrive the same day as the request, which is unheard of. He arrives when he is scheduled, diagnoses the problem quickly, and has been able to get the system up and running in no time. His explanations of the problem are clear and concise and he is very practical in his recommendations. He is mindful of costs and will not recommend something that isn't necessary. His fees are fair and reasonable. I would highly recommend Performance Based Heating and Air to anyone searching for good, honest service for Heating and Air Conditioning.