Plus Air Duct Testing is a highly respected company in Southern California, known for its top-notch HERS rating professionals. With over 20 years of experience in the air conditioning industry, the staff at Plus Air are more than capable of meeting all your HERS testing and air balancing needs. Plus Air is dedicated to providing the highest level of service at low and affordable rates. The company has worked with hundreds of contractors and homeowners to help them meet their energy-saving goals through reliable duct testing and air balancing services. Customers have praised Plus Air for their friendly and professional technicians, who provide thorough explanations of the testing procedures and results. The company is known for its fast, reliable service, excellent communication, and efficient turnaround in providing necessary documents. Many customers have highly recommended Plus Air for their HERS rating and air balancing needs.
We had a great experience, fast service and very reliable. They had great communication and a fast turnaround in providing necessary documents needed for our permits. Very professional and would definitely recommend this company.
November 2025
Joseph tested all of the registers in my home. He was friendly and pleasant. Joseph educated me on the process, did a thorough job, including cleanup. I highly recommend this company!
October 2025
Marco was very thorough and took time to explain what he was doing and why.
