I’m sure delivery costs are regularly factored in when you get free delivery, although I still love it when I see my delivery has no extra cost; When I’m trying to do shopping online, I regularly look for the stuff with the free delivery first, but there’s this a single online Heating and Air Conditioning shop where I get all my air filters always, however i sometimes get HEPA filters when they are on sale, however for the most area I go for the proper pleated air filters. They have a MERV rating of 10, and they are really good for my flu symptoms. The HEPA air filters really work the best though, it’s just that they are overpriced, even online. I was regularly checking for the sales until I decided to go for a current Heating and Air Conditioning system. I ended up looking at this online store that sells ductless mini chop systems for a satisfactory price. I looked into the DIY models because I was planning on installing this thing on my own. I had a little bit of experience with electrical work, so I at least knew I wouldn’t have any complications with that. The upgrade video that I watched also looked straightforward, so I was happy to save money by doing my own Heating and Air Conditioning upgrade. The thing that I really enjoyed though, was the free delivery! This is freight delivery we’re talking about, and the free delivery really made myself and others recognize wonderful about this purchase. The upgrade went off without a hitch and now I’m enjoying perfect temperature control settings with a highly energy efficient Heating and Air Conditioning system.