KINGERSONS - Your Grand Marsh Browse through discounted sale on for heating and air technician equipment repair, maintainence and installation. Manuals and submittals sheets on central heat & air units we sell at split air heating and cooling (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 and heat unit