AJ Heating & Cooling Inc.

AJ Heating & Cooling Inc. operates from Hayward in the East Bay region, delivering heating and cooling solutions to homeowners across Alameda and Contra Costa counties for more than two decades. The contractor holds a perfect 5.0-star rating derived from 32 client reviews, reflecting consistent service delivery in air conditioning, heating, and insulation projects. Business hours run Monday through Friday from 8 AM to 5 PM, with Saturday availability from 9 AM to 1 PM, enabling flexible scheduling for residential service calls.

A distinguishing aspect of this contractor involves participation in the GoGreen Financing program administered by the State of California, offering residential energy efficiency loans that help homeowners manage unexpected HVAC expenses without immediate out-of-pocket strain. The business emphasizes attic insulation and air sealing as standalone services that improve overall home efficiency, addressing a need that many HVAC companies delegate to subcontractors. Ductwork replacement and repair represent additional specializations, targeting thehidden inefficiencies thatcause energy waste even when newer equipment is installed.

Customer reviews repeatedly reference Jose by name, with one reviewer detailing how he guided a client through AC selection during a heat wave while respecting budget constraints and proposing solutions the client had not initially considered. Another client noted that Jose's crew completed a wall heater replacement, including removal and installation, within approximately three hours, maintaining punctuality and professionalism throughout. A third review described the installation of a new all-electric system that passed city inspection and pressure testing, with the reviewer specifically praising Jose's clarity regarding modern AC technology and regulatory requirements.