I have unquestionably enjoyed our window air conditioner units. They cool the house, and the electric bills haven’t gone up that much when they were in use. I never considered having anything however window air conditioner units in my dwelling until my boiler broke. They told us my friend and I needed a current boiler, and my hubby wanted to get a central Heating and Air Conditioning. I told him I didn’t want to deal with the dust and dirt of the HVAC duct. The cost of oil was getting unquestionably high, and I wasn’t sure central Heating and Air Conditioning was worth the hassle. I also read an article that said central air conditioner was unquestionably upscale to use. I asked if my friend and I could not just keep the window air conditioner units, and forget about central Heating and Air Conditioning. My buddy and I had an excellent Heating and Air Conditioning contractor who understood where I was coming from. He told us the cost of having HVAC duct installed in the dwelling and gave us an quote of what it would cost for the HVAC duct and the Heating and Air Conditioning system. My buddy and I realized my friend and I would need to use electricity no matter what and he said he would be going in a strange direction and talked about a heat pump. He told us a heat pump is also called a mini-split Heating and Air Conditioning system. It was highly efficient in heating and air conditioner, and much cheaper to run than the boiler and air conditioner unit. It was cleaner and needed no other fuel. My hubby liked the cleaner and no other fuel. He was already on board when he talked about the efficiency of the mini-split Heating and Air Conditioning system.