KINGERSONS - Your McKinney Read details and browse to buy for looking for hvac subcontractors ac maintainence, repair and new installations. Buyer's guide on central air heating and cooling we sell at split air with 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 air and heating system