About Hillcrest Hillcrest, a division of Mesa Energy Systems, Inc., has been providing excellent heating and air conditioning service to the Central Valley for more than 60 years – and now we offer plumbing services to our residential customers in Bakersfield as well. We’ve been around since 1950, so our staff is knowledgeable and fully trained on a full range of HVAC products, maintenance, technology – you name it. We do professional, quality work for everything we do so you can enjoy a more comfortable home. Hillcrest was established in 1950 and has remained steadfast in its commitment to exceptional safety standards and quality construction. Our company has earned a reputation for providing value to many satisfied residential and commercial customers through high-quality services and customized solutions. Customers who choose Hillcrest can rely on our Mobile Mechanical Service which provides wireless connectivity along with a large, fully outfitted fleet of vehicles, tied into a team of expert field technicians who have specialized skills and service tools to form an effective, efficient client partnership—on demand, 24/7/365. As a residential and commercial HVAC contractor, we: Promote sustainability throughout our entire organization, from employee training and education to the products and services we offer our customers. Possess the commercial HVAC energy reduction and retrofit skills and expertise necessary to deliver energy-efficient and cost-effective indoor environmental solutions. Fulfill our customer's needs and ensure tenant satisfaction by implementing sustainable mechanical service practices. Understand the latest in HVAC green technologies, including heating, ventilation and air conditioning equipment upgrades and energy-efficient issues. Make Hillcrest your one-stop-shop to take care of all your AC/Heating/Plumbing needs. Our dedicated technicians are factory trained experts that help keep your systems running efficiently. We’re committed to helping you achieve whole-home comfort. Call Hillcrest in Bakersfield at 661-437-3499 to learn more, or schedule an appointment online to start working with us.