$29.99- service call * this price fee is for troubleshooting only- all repair are additional costToo hot? Too cold? We can help! We are A Econo-Air & Mechanical. We provide services to residential and commercial clients in the North Texas-area which includes Dallas, Rockwall, Denton and Collin Counties. We service cities such as Plano, Richardson, Allen, Frisco, Dallas and immediate surrounding areas. We guarantee the lowest prices* (call us for details). We also provide free estimates and free second opinion*(call for details). We have 24-hour emergency service available for residential and commercial clients. We service all brands and we are licensed and insured. Call us today!