Installing an HVAC system could be pretty expensive. On average, it will cost you $7,000. Per square foot, it will cost you $25 to $60. If it is a new installation, expect it to cost from $1,500 to $12,500.
A typical HVAC system includes Heating, ventilation, and air conditioning components. The purpose of your HVAC is to heat or cool your home through its furnace and air conditioning components, ductwork, and thermostat control.
If you are knowledgeable enough to install an HVAC system and want to save, there is no problem there. However, if you are not well-equipped or are not into electrical and mechanical stuff, then you need to seek professional help. There are HVAC manufacturers that offer installation services. Sometimes it is included in the package upon purchasing your unit. If you are not sure about how to do it, you better seek a professional, before you keep messing around with your new HVAC unit.
Weigh in how much you will be spending for repairs versus buying a replacement. In most cases, opting for a new HVAC unit is more practical since it will give you a warranty and you are ensured of a good performance which may last longer with proper care of the unit.