If it is short cycling, you have problems. You should always have maintenance done on hvac equipment on a regular basis. More people are killed from Carbon Monoxide, due to improperly maintained hvac equipment, than anything else in the home.
Also, heat exchangers can crack if the system is not maintained, which when the system overheats, it causes the short cycling problem. So how deep is your pocketbook, and can you afford to replace the system, due to it could be worst case scenario.
Also, heat exchangers can crack if the system is not maintained, which when the system overheats, it causes the short cycling problem. So how deep is your pocketbook, and can you afford to replace the system, due to it could be worst case scenario.