You might get a good deal negotiating to the last penny, but if you erode goodwill with your contractor if something comes up in the future, they won't be too excited to help you with it, and in fact, they might be looking for ways to stick to it later. Get a good deal, but also be fair. Do you want to reduce the price of your air conditioning installation? Modernize shares tips on the best way to negotiate with your contractor. Homeowners will always negotiate for lower prices.
In a way, bargaining means that you are serious about buying the air conditioning unit. Don't be afraid to negotiate, mainly because you can't live beyond your means. While trying to get the lowest prices from suppliers alone can be difficult, some companies and products are specifically designed with independent HVAC contractors and small businesses in mind.