How does a High Efficiency Furnace Work?

Answer

High-efficiency gas furnaces work pretty much the same as other furnaces with a few changes. They have no pilot lights. They are smaller and more compact. The fuel pipes and ducts are smaller to reduce leakage. The highest efficiency furnaces also have a second heat exchanger which extracts a little more heat out of same energy. You can find out more information here: www.ehow.com
Reference:
Q&A Related to "How does a High Efficiency Furnace Work?"
1. Install a masonry chimney, metal double-wall chimney or another type of manufactured chimney in your home if there is not one already. If one is already installed in your home,
http://www.ehow.com/how_12163395_vent-highefficien...
The efficiency rating is called annual fuel utilization efficiency or afue. For residential systems in the USA, the minimum is 80% There is no standard for what is considered "
http://wiki.answers.com/Q/What_is_the_efficiency_r...
I am a contractor that builds new homes. I have had good luck with American Standard 90% efficiancy furnaces.
http://answers.yahoo.com/question/index?qid=200911...
dbowles, Carrier is the equivalent because it has the same name,Payne or Bryant is next best in equivalency because there the same as Carrier except for name and paint color. Any
http://en.allexperts.com/q/Heating-Air-Conditionin...
2 Additional Answers
Ask.com Answer for: how does a high efficiency furnace work
How Does a High Efficiency Gas Furnace Work?
Furnace and boilers are given efficiency ratings by the Federal Trade Commission. Efficiency is measured by something called the annual fuel utilization (shortened to AFUE). The AFUE measures how much energy a furnace uses compared to how much heat it... More »
Difficulty: Easy
Source: www.ehow.com
High efficiency furnaces have exhaust fans that regulate the amount of air flow so energy isn't wasted. They also have an additional heat exchanger which reduces the flue gases thus condensing the amount energy used to heat. You can find more info at: www.ehow.com
Explore this Topic
A muffle furnace usually works by putting a high temperature heating coil in an insulative material. The insulating material effectively acts as a muffle. It prevents ...
An induction furnace is powered by an electrical source that is designed to deliver high frequency alternating current, AC, at the proper frequency required to ...
A combi boiler is a high-efficiency water heater and a central heating system that provides heating and hot water directly from the boiler. Combo boilers save ...
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2014 Ask.com