Price Guide Prices are not listed on this website or other HVAC manufacturers’ sites because heating and cooling systems must be installed by a professional dealer. When you your local Lennox Dealer for an in home consultation, your dealer will give you a quote based on your needs and a variety of other factors, like the size of your home..Learn More About HVAC Components and their Features. We don’t just list numbers and then give prices. First, we state the essential factors about the, so you can evaluate its price in light of what it offers. For example, in our heat pump price lists, we give you the SEER rating for cooling and the HSPF rating for heating for each..HVAC pricing is not typi.y listed on HVAC manufacturers’ sites because there are a number of factors that gointo the estimate for a particular heating and cooling system One Size Does Not Fit All. HVAC pricing can vary depending on variables like the size of your house and installation requirementsand even the climate conditions in your area Make Friends..In this article, we’ll discuss the five system features that affect HVAC installation cost, fair price ranges you can expect to pay for your new system, we will then perform an example calculation of how you can calculate a fair price, and finally, what you can do to keep from getting ripped off on your new HVAC installation price..