HVAC Promotions Sure to Save You Money You could say you just found the chocolate to go on top of your sundae. Or you could just be happy that you’re getting a little savings you may not have anticipated. Either way, you’re in luck, because we have a range of special HVAC promotions that will probably interest you. From routine maintenance savings to new or replacement system savings, make sure you utilize all the promotions in Plover. For even better savings, be sure to check in to potential federal tax credits and other rebates that may be offered by your utility company. Find information about our Federal HVAC Credit.