A micro furnace is a ceramic heater that is more efficient than an old base board electric heat. You can find more information about micro furnace here http://www.sunbeam.com.au/products/product.cfm?sec_id=85
You can purchase a micro furnace from several large chains like: Sears, Home Depot or Lowes. You can sear product reviews online to find out which one consumers like best.
The best place to find information on repair parts for your furnace, is to check the site, of the compnay which you own the furnace from. This will lead you to the right place to purchase replacement parts.
There are many places to find gas furnace prices. One can look on sites like Furnace Price Guides, Century Gas Furnace, and Consumer Reports. One can also find gas furnace prices by going to a local heating supply store.
Could be one of a number of reasons that cannot be answered with the info given
On the inside of one of the removable panels
Electric furnace prices can be found anywhere an electric furnace can be purchased. One place to look is at a home appliance store, such as Lowes or Sears.
One can find more information about carrier furnace parts at several online sites. Some of these sites are "Repairclinic", "Theacdoctors", and "Searspartsdirect".
A micro furnace can circulate heat quickly and efficiently. They unit is built and available in different shapes. They are use mainly for heating small enclosed areas and have electronic thermostat control to reach set heating levels. The micro furnace heating unit operates on electricity, saving on gas bills. There may be an LCD display that is used to show settings and the temperature of the room. Micro furnace units come with preset, adjustable settings. Many units have automatic cut-off timing settings. These are useful if one plans to leave home and wants to be sure the unit is off.
One could find information on gas furnace troubleshooting online at Ask. Hvac for beginners is also a great place to look. One could also contact their local gas furnace dealer and/or repairer for gas furnace troubleshooting.
There are several places one can find replacements for 3M furnace filters. One can try local home department stores such as Home Depot or order online from Amazon or eBay.
You may be required to have colaterol. See more info here http://www.ehow.com/how_2321265_apply-micro-business-loan.html
If you mean where can you find it, look on the inside of one of the cabinet covers or the control box cover of the furnace.