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ASI Hastings Heating, Air, and Solar is a home energy upgrade and retrofit company that installs solar energy systems for residential and commercial clients in San Diego County, CA.

ASI Hastings offers HVAC, air sealing, insulation, water heating, and solar energy installations and service to its residential and commercial clients in the San Diego area.

Originally founded in 1952, the company was known as Hastings Appliance Repair until 1982, when it was purchased by Ken and Phil Justo. The Justo brothers had a larger vision for the business, and eventually expanded their products and services line to include solar energy. ASI Hastings will perform solar installations separately, or as a part of comprehensive home energy retrofits or retrogrades designed to improve their customers’ energy-efficiency profile.

ASI Hastings is a full-service solar installation company. Under the supervision of Jim Richardson, the company's solar operations manager, ASI Hastings technicians and solar experts design, develop, install, connect, and monitor the performance of its solar projects.

They take the burden off of home and business owners by handling all

permitting and other paperwork.

In addition to rooftop solar panels, ASI Hastings also installs solar thermal water heating systems and battery storage systems manufactured by LG Solar. ASI Hastings does not have exclusive relationships with panel and inverter manufacturers, but instead, gives customers a broad range of choices based on their budgets and personal preferences.

For solar customers who require financing assistance to purchase solar panels, ASI Hastings can help via their partnership with the San Diego Metropolitan Credit Union. This institution provides no-money-down solar loans to qualified applicants.

In recognition of their long, honorable service to the community of San Diego and the surrounding area, ASI Hastings is an eight-time winner of the Better Business Bureau Torch Award for exemplary business ethics. The company has also been voted San Diego's Best HVAC and Solar Power Contractor by readers of the San Diego Union-Tribune on multiple occasions.


Mounted Panels

Low Profile Panels

Solar Roofing

Roof Replacement

Minor Roof Repairs


Mobile App

Purchase & Finance Options






Solar System: N/A years
Battery System: 10 years
Roofing: N/A years
Solar Roofing: N/A years

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