Most homeowners buy an HVAC unit from a qualified installer. In some cases, you may be able to buy equipment directly from the manufacturer or a wholesaler.
The cheapest HVAC system is a window AC. Installing a window air conditioner costs $150 to $500.
HVAC systems typically last 10 to 20 years. They may run longer than that, but they lose efficiency.
Since HVAC equipment is heavy and tricky to install, it’s not a DIY job. Improper placement can cost you up to $1,000 in repairs. When you search for HVAC contractors near you, remember to get at least three quotes.
HVAC involves large, complicated pieces of equipment that can take several hours for a professional to install. In exchange, you get effective heating and cooling for 10 years or more.