My up-to-date gas furnace is well over twenty years old, it was already installed when our fiance plus I purchased the house, plus it wasn’t up-to-date at the time. Over the years, I’ve been diligent about replacing air filters plus scheduling professional repair in the fallâ€¦ There have been few repairs, but I’ve made sure to handle them entirely hastily. The gas furnace has been well taken care of plus provided reliable heating. The Winter time weather in our local section creates a massive workload. It’s usually necessary to run the gas furnace from early September until mid April. The furnace combats outdoor un-even temperatures down to twenty-5 below zero plus often operates at maximum capacity. I would not want to be faced with a gas furnace malfunction plus left without heat during a blizzard. I’d hate to be forced to install a up-to-date gas furnace in a hurry because of sub zero un-even temperatures, then although our gas furnace is still operational, it’s showing signs of wearing out. I’ve noticed that it runs more often plus longer, and during the most serious weather, the gas furnace now struggles to maintain a comfortable indoor environment. It makes a bit more noise, costs more to run plus there’s a higher concentration of dust floating around. I assume it would be wise to be proactive plus schedule upgradement for the furnace before the start of the winter. A up-to-date furnace would offer superior efficiency levels, comfort, safety features plus air quality. I could have confidence in its ability to make it through the Winter time without a problem. The lower biweekly energy bills would help to recover the cost.