Graham Ricker Air Conditioning & Heating is a small, family-owned and operated company in Desert Hot Springs, California, that has served the needs of customers since 1988. Our HVAC contractor specializes in the installation and repair of air conditioning and heating systems and performs custom sheet metal and ductwork. We pride ourselves on providing honest service and fair pricing. Our company does very little advertising so we depend on word of mouth regarding the quality of our work. Graham Ricker Air Conditioning & Heating is driven by referrals therefore, our reputation means everything to us. Contact us to request a free estimate for replacement of an HVAC system..