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2. Low-Income Home Energy Assistance Program - Wikipedia

   en.wikipedia.org/wiki/Low-Income_Home_Energy...

   The Low Income Home Energy Assistance Program ( LIHEAP, pronounced "lie" "heap") is a United States federal social services program first established in 1981 and funded annually through Congressional appropriations. The mission of LIHEAP is to assist low income households, particularly those with the lowest incomes that pay a high proportion of ...

3. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   Gas water heaters have an exhaust vent or one to two exhaust pipes on the top, and still require electric power for electronics, sensing and ignition. A three-phase, 21 kW, 400-volt tankless water heater in Europe, with new European color coding for three-phase power. There are also heaters that use several single-phase circuits instead.

4. Pennsylvania - Wikipedia

   en.wikipedia.org/wiki/Pennsylvania

   Pennsylvania (/ ˌ p ɛ n s ɪ l ˈ v eɪ n i ə / ⓘ, lit. ' Penn's forest country '), officially the Commonwealth of Pennsylvania (Pennsylvania Dutch: Pennsylvanie), is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States.

5. Arizona - Wikipedia

   en.wikipedia.org/wiki/Arizona

   US 60 | US 64 | Historic US 66 | US 70 | Historic US 80 | US 89 | US 89A | US 91 | US 93 | US 95 | US 160 | US 163 | US 180 | US 191 Main Interstate routes include I-17, and I-19 traveling north–south, I-8, I-10, and I-40, traveling east–west, and a short stretch of I-15 traveling northeast–southwest through the extreme northwestern ...

6. Feedwater heater - Wikipedia

   en.wikipedia.org/wiki/Feedwater_heater

   A feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler. [1] [2] [3] Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic efficiency of the system. [4] This reduces plant operating costs and also helps to avoid thermal ...

7. California - Wikipedia

   en.wikipedia.org/wiki/California

   California's interconnected water system is the world's largest, managing over 40,000,000 acre-feet (49 km 3) of water per year, centered on six main systems of aqueducts and infrastructure projects.