Granger’s Air Conditioning & Heating Co. is an Irwindale business that serves commercial and residential customers in San Marino, Montebello, Diamond Bar, Baldwin Park, Santa Fe Heights, San Dimas, Whittier, Rancho Cucamonga, La Canada, Hacienda Heights, Pico Rivera, West Covina, Rowland Heights, Flintridge, Glendora, Chino, Ontario, San Gabriel, and other areas. The business’ services include air conditioning and heating installation, repairs, and maintenance of all models and makes. Granger’s Air Conditioning & Heating Co. also offers products including air conditioners, heaters, accessories, fans and filters, thermostats, and ductwork. The business provides free in-home estimates. Granger’s Air Conditioning & Heating Co. is accredited by the Better Business Bureau and has an A+ rating. Customers remark on their efficiency, workmanship, and honesty.