KINGERSONS - Your Trosper Browse through discounted sale on for commercial hvac companies heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central air conditioning system we sell at split heat 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 heat & air