If your HVAC system is not running well, you will need a professional technician to take care of your air conditioning repair in Sacramento area. Because living in California can be difficult when you have an HVAC system that is. working. Sacramento is Located in the center of Northern California, the city is well-known for its hot summer weather. A reliable air conditioner is an essential part of Living in the Sacramento area during the summertime. That is why you need to hire a central air conditioning expert to repair, install, a. maintain your AC unit.