HVAC Promotions Sure to Save You Money Unless you don’t love saving money, promotions are great, aren’t they? Well, you’ve struck gold, because we have a couple that may intrigue you. So whenever you need maintenance done to your current HVAC system or need to replace it, look here for all of the top heating and cooling promotions from Klaus & Sons Heating & Air Conditioning in Upland. There’s also a chance that you could be able to utilize federal tax credits and other local rebates made available through your energy company. Whether it’s special HVAC promotions from Klaus & Sons Heating & Air Conditioning or from Lennox, maximizing your savings has never been so simple. Find information about our Federal HVAC Credit.