Efficiency ratingsinclude various components that offer more or less efficiency for that particular component. It also includes the operation of the system since the different sequences of operation for gas furnaces offer different efficiency ranges. ...
the higher-grade units have secondary heat exchangers to absorb extra heat from the combustion gases before they are vented outside. Other things add to the efficiency of gas furnaces such as ECM variable-speed blower motors and variable
SEER Example for Carrier's Infinity Split System Air Conditioners & High Efficiency Gas Furnaces Example 1: Carrier's Infinity Split System air conditioners are rated by the company at SEER 16.5 (Model 24ANB6) to 21 (Model 24ANB1) This data will not usually be found on the data tag thoug...
Explaining how propane equipment and appliances are rated for BTU loads, input and propane usage and why BTU ratings are so important for LP Gas system operation.
World War II Database Home »Other » US Navy Enlisted Ratings US Navy Enlisted Ratings Contributor:C. Peter Chen Source:cv6.org Last Major Update: Nov 2015 Visitor Submitted Comments Show older comments All visitor submitted comments are opinions of those making the submissions and do not ...