Selected questions Chapter . HVAC System Short type questions . Define ‘tons of refrigeration’? Ans. One ton of refrigeration is the amount of cooling .SEER is Seasonal Electrical Energy Ratio. The higher the number the lower the cost to operate, like miles per gallon for your car. Size of the system unit required is .While it may cost less initially to replace the outdoor unit on an older system, over time utility expenses will add up and may even cost you more..Heating, ventilation, and air conditioning HVAC is the technology of indoor and vehicular environmental comfort. Its goal is to provide thermal comfort and .
Full Replacement HVAC Installation Cost. A Full Installation is the most common type of HVAC installation for a reputable contractor. The ductwork adds two days of labor and about $, to $, to the price, but realize that this is a very important part of your HVAC system..