EMCOR Services Hillcrest (Hillcrest), is a licensed, qualified HVAC contractor providing HVAC, Design-Build, maintenance, energy, and retrofit services to customers throughout the Central Valley and Central Coast areas. We offer a comprehensive portfolio of fully integrated, single-source mechanical solutions, and the company has remained steadfast in its commitment to exceptional safety standards and quality construction. Customers who choose Hillcrest can rely on experienced, qualified field technicians who use our mobile mechanical service delivery method—providing wireless connectivity on demand, 24/7 along with our large, fully outfitted fleet of vehicles.