General Info We at Elite Mechanical Services LLC. have over 30 years of experience. We provide expert heating, ventilation, and air conditioning services to the Baltimore area. We ensure each and every one of our customers is comfortable in their space regardless of what the weather brings. We offer 24 hour service at no extra charge and free estimates. We offer repairs, service, and installation on any make or model. From energy star products to routine maintenance designed to reduce the cost of your seasonal heating and cooling, The Elite Mechanical Services way is to create the perfect solution for each of our customers.