KINGERSONS - Your Longoria Flip through several deals on for hvac contracting companies heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central heat & air we sell at split air and heat units (ductless type) delivered straight to your doorstep. Typical delivery time from distribution warehouse is 1-5 business days depending upon products ordered, quantity and location of the shipping address. window air conditioner units