KINGERSONS - Your Belknap Browse through special sale on for residential hvac companies heat and air furnace repair, maintenance and installations. Manuals and submittals sheets on central cooling and heating systems we sell at split air conditioner heat pump (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 heating and air conditioning units