A comprehensive list of in Corona, CA commercial and residential air conditioning companies offering installation, replacement and repair services. Read unbiased customer reviews and recommendations of local contractors. 
Westpac Air Conditioning. supplies heating and air conditioning design and installation services for domestic new homebuilders. We are an aggressive firm, taking great pride in our capability to supply individual service with the highest regards to professionalism and quality. We have installed over 50,000 units since the founding of Westpac Air Conditioning in 1989 in Walnut, California.
Random Person — Nelson came out to fix our AC. He was very nice and helpful. Explained everything. Came prepared with all tools including
Since that time we have expanded into the residential market and developed into a Second Generation family-run business whose primary goal remains, "Excellent Customer Service." Hillside puts contract customers first. We do not take on commitments that would affect our ability to offer fast, honest and reliable service.
Ranger G. — I am very disappointed with Hillside. I called them on a early Thursady morning and spoke to Stephanie. I needed my air conditioner