Our Specialty
We are San Diego’s County’s leading provider of Residential heating, cooling, air filtration and Indoor Air Quality products. We are family owned and operated and have been serving San Diegan’s since 1952.

Our Philosophy
Is to identify our clients’ needs and to exceed their expectations when providing for those needs. We try to live by the Platinum Rule of, Treating People the Way They Want to be Treated

What Makes Us Unique
ASI Hastings is family owned and operated for 57 years. We provide weekend and evening service at no extra charge.
We offer a Lifetime Workmanship Guarantee on installations and Service. We also offer an industry leading Lifetime Warranty on repairs, a 3 Year, 100% Money Back Performance Guarantee, and a 5 Year NO Lemon Guarantee on new installations.

Our Service Area
We service all of San Diego County.

What would you do if you had an eighth day in the week?
If we had 1 more day a week we would spend it water skiing enjoying the river with our family & friends