Your HVAC quote must specify the equipment brand, model numbers, and the Seasonal Energy Efficiency Index (SEER) rating. The SEER rating will tell you about the efficiency and durability of your equipment. If your quote doesn't include any of these details, ask your contractor to include them. The feature that pushes air through the ducts.
The outdoor unit of an HVAC system. This includes the condenser and the air controller. Some HVAC companies include or offer a labor warranty or an extended service plan to cover the cost of labor in case a warranty repair is ever necessary. Based on assumptions, one other thing you shouldn't assume is that an HVAC company will inspect your entire HVAC system.
If you're replacing an entire HVAC system, the type of unit you're installing can also have a significant effect on the total cost of repairing the heating or air conditioning. When it's time to buy a new HVAC system, it's best to ask a contractor for a quote or HVAC quote to give you an idea of how much it will cost to replace your system.