Esher Kweller

• A study of three measures for energy efficiency of fossil fueled furnaces and boilers
• A test method and calculation procedure for determining annual efficiency for vented household heaters and furnaces equipped with modulating-type controls
• Laboratory of gas-fueled condensing furnaces
• Laboratory tests of a gas fueled modulating type hot water boiler
• Test methods for the direct measurement of stack energy loss during the off-period of space heating equipment