Proper installation of a heating or cooling unit is vital for the unit to work properly. Only a trained and qualified professional can ensure that your new air conditioner is installed to safety standards and will remain working for years to come. United has been providing that quality service and experience for 35 years. United offers top of the line units from many manufacturers. Our expertise when it comes to commercial installation is extensive. We feature Trane and Carrier for commercial installation. Ask us about extended warranty programs to protect your new A/C investment.