I bought my condo from an old ex-soldier who wanted to travel the world. Everything about the cabin was in perfect condition, however my sibling insisted on changing the Heating and Air Conditioning unit. I did not see the need to since the a/c component did not give me troubles, however sibling Lindah was of the opinion that both the a/c component and the furnace were outdated. She believed that I would be paying higher energy bills especially when it came to winter time heating. She insisted that I had to call a Heating and Air Conditioning serviceman to examine the entire heating and cooling system, and after all the cold season was around the corner and the last thing I needed was a heating emergency. Surprisingly, Lindah was right and the Heating and Air Conditioning provider inspected the entire Heating and Air Conditioning system and had a lot to say. The first concern was the annual fuel utilization efficiency (AFUE) rating. The a/c system service provider was upset that the rating of the component I had was too low. The AFUE rate was only 55% which meant that 45% of the energy was wasted. The Heating and Air Conditioning expert recommended that I get a modern furnace installed since the outdated model in place was wasteful. She insisted on a heating component with 92 percent AFUE rating. According to the Heating and Air Conditioning supplier specialist, it was also important to change the outdated a/c component because of wear and tear. She noted that the previous owner did well to ensure the boiler/heater and A/C were officially worked on. The Heating and Air Conditioning component showed signs of respected a/c system service and furnace service. However, due to age the components decline quickly. The Heating and Air Conditioning serviceman said that no amount of repairs or service service would make the component efficient. After all, the Heating and Air Conditioning system was over 13 years old and due for an upgrade or replacement.