We just had our house HVAC system replaced by CHA around the end of Aug. 2025. They did a great job. I knew CHA before. In Apr. this year, I received a tune-up service by Mr. Rey Mendoza from CHA, from which I had a very good impression about his thorough and careful job, and knew CHA since then. In earlier Aug., when my 16 years old HVAC was broken, I thought about CHA from the top of my head. Mr. Brandon Hall, a consultant from CHA, became my first consultation person on my “shopping list”. Brandon explained, and offered a few options based on my house condition, our needs, pros and cons of different systems, and potential tax credit and rebate. He provided a best recommendation that combined all above factors. Although I had also consulted with several other companies later, I finally accepted CHA’s proposal because it offered a better efficient system with a reasonable price. We have a two-zoning system in my house, and I chose to replace the unit with a heat pump instead of AC only. Those combinations made the installation a little more complicated. CHA sent Mr. Wilson Magana, Mr. Rey Mendoza and several other technicians 3 times. They did not only a very nice job in installing the new furnace, changing the air tubes, but also successfully replaced the electronic control panel. The nice job eventually achieved the nice system, in which the two-stages heat pump and two-zones in my house work together very nicely. Many crew members in CHA are young people, like Wilson, Ray and Brandon. However, they have gone through many years training and practice. They are smart and responsive, knowing what they are doing. I look forward to receiving excellent service from CHA in years coming, and highly recommend CHA to anyone who needs a new replacement.