KINGERSONS - Your Hatfield Browse through cyber deals on for big hvac companies repair, duct cleaning, installations and yearly maintenance. Manuals and submittals sheets on central heating and air units we sell at split heating and air unit (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 systems