Despite the farmers overalls in the Lennox marketing program with Dave Lennox Lennox makes a good HVAC machine. Lennox is on the pricey side but you get what you pay for with Lennox. The Lennox G71P gas furnace is Lennoxs’ top of the line gas furnace model offering quiet heat that is produce efficiently by the G71P gas furnace. From reading the bullet points on the Lennox website about the Lennox G71P gas furnace I had some questions so I decided to call the 800 number and ask a few questions about the Lennox website description of the G71P. I really learned nothing more than what the website said so maybe some seasoned HVAC technicians or someone very familiar with the new Lennox models out on the market can help us out and email me or leave their response in the comments. My questions are in the bullet points. I called more than once and got the same response. The answers to my questions were read out of a book and said the same as what the website said. This is not good for Lennox in the overall review. I did have a leg up on the representatives who answered the phone but I played typical Joe Homeowner without telling them my reason for the call. (more…)

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Trane manufacturers gas furnaces from 90 percent AFUE all the way up to 95% AFUE. Tranes XC model gas furnaces have the ability to communicate via a telephone modem (or telephone access module as Trane calls it) so you can adjust settings remotely. The XC model gas furnace also comes with a variable speed motor for changing the amount of air flow from winter months to summer months. This is especially useful for air conditioning systems which can be matched with the XC models. Variable speed motors allow the system to control humidity levels in the summer better and with better humidity control you will stay more comfortable and it adds to efficiency ratings. Some features of the Trane XC gas furnace are: (more…)

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Adamas Oil Furnace

Adams Manufacturing Company is one of the few companies that specialize in oil furnace manufacturing. Adams claims to have the worlds most efficient oil furnace and it has been observe that the oil furnaces get up to 99 percent efficiency using state of the art test equipment on factory tuned equipment. These oil furnaces are condensing furnaces and many manufacturers shy away from producing a condensing oil furnace for a few good reasons. A condensing furnace whether it is gas or oil produces highly corrosive vapor. This vapor corrodes metal and many heat exchangers are made of metal. An oil furnace, if not properly tuned, will produce soot and lots of soot. This is basically unburned fuel and it is very dirty. Combined with the corrosiveness of the condensing furnace vapors this soot can sit inside the exchanger and corrode it over time.  In a factory witness test Adams claims to have overcome this problem by using a special type of metal for the heat exchanger that resists the corrosive effects that can lead to premature heat exchanger failure. Overall, Adams knows the business of building a solid oil furnace so oil furnace ratings and oil furnace reviews are kind to Adams Manufacturing. (more…)

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