Frost Air Conditioning is a family-owned and operated business based in the Hills District of Sydney, providing custom air conditioning solutions since 1971. With over 50 years of experience, they specialize in both heating and cooling for residential homes across suburbs like Castle Hill, Baulkham Hills, Kellyville, Dural, and Glenhaven, understanding the unique climate needs of the ... https://frostair.com.au/areas-we-service/hills-district-air-conditioning/