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Leakage Reduction for Large Building Air Sealing and HVAC System Pressure Effects

Building air leakage tests were conducted on six commercial and institutional buildings before and after air sealing work. Results indicate that it is possible to reduce the leakage of already tight buildings. However, the sealing potential is better for leakier buildings, unl...

Performance and Optimization of Residential Condensing Combi Systems

Homeowners with natural gas water heaters have difficulty justifying the expense of a more efficient condensing heater. Combination space and domestic hot water systems bundle together the two loads, which saves energy and makes them more cost-effective. These systems also hel...

How Existing Building Commissioning Can Save Money and Improve Comfort in Commercial Buildings

How Existing Building Commissioning Can Save Money and Improve Comfort in Commercial Buildings Existing building commissioning is a process in which buildings are made to use less energy and improve occupant comfort by improving the operation of existing equipment. This webin...

Gas Industry Load Research Source Book

Gas Industry Load Research Source Book This Source Book presents profiles, cross-reference charts and summary statistics describing overall load research program activities at 28 gas utilities, as well as 70 completed and current load research projects, 13 planned load resea...

Achieving Even Space Heating in Single Pipe Steam Buildings

Achieving Even Space Heating in Single Pipe Steam Buildings Uneven heating causes serious energy waste in older steam heated apartment buildings, a common problem in Minneapolis. Rebalancing can reduce space heating costs by as much as 15 to 25%. This paper describes the deve...

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