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2. Pilot light - Wikipedia

   en.wikipedia.org/wiki/Pilot_light

   The appliance efficiency of a gas-fired balanced flue local space heater in pilot light mode is almost equal with the appliance efficiency measured at the reduced power of the appliance, which efficiency is between 65–95% based on the low calorific value of the consumed gas, making part of the pilot light's energy consumption into useful heat.

3. Holiday lighting technology - Wikipedia

   en.wikipedia.org/wiki/Holiday_lighting_technology

   Screw-base C7 and C9 light sets use line voltage (120 volt) bulbs and are wired in parallel. LED-based sets use a current-limiting resistor to reduce the current supplied to each LED. Neon-lamp-based sets have lamps connected in parallel, each with its own current-limiting resistor. Battery-powered sets are also wired in parallel. [citation needed]

4. Luminous efficacy - Wikipedia

   en.wikipedia.org/wiki/Luminous_efficacy

   The typical response of human vision to light under daytime or bright conditions, as standardized by the CIE in 1924. The horizontal axis is wavelength in nanometers. [8] Luminous efficacy of radiation measures the fraction of electromagnetic power which is useful for lighting. It is obtained by dividing the luminous flux by the radiant flux. [4]

5. Bradford White - Wikipedia

   en.wikipedia.org/wiki/Bradford_White

   Bradford White Corporation, headquartered in Ambler, Pennsylvania, is an American-owned and employee owned, full-line manufacturer of residential and commercial and industrial products for water heating, space heating, combination heating and storage applications.

6. 5 ways to tell if you’re on track for retirement — and 5 ...

   www.aol.com/finance/5-ways-tell-track-retirement...

   3. Use an online retirement calculator. Now it’s time to zoom in a little. To get a clearer snapshot of your progress, use an online retirement calculator.

7. Aaron Rodgers Reveals He Has a New Girlfriend: 'It's a Good ...

   www.aol.com/lifestyle/aaron-rodgers-reveals...

   Aaron Rodgers has a new romance in his life, the 41-year-old New York Jets quarterback revealed Monday.. On the Monday, Dec. 23 episode of the The Pat McAfee Show, Rodgers said he has a new ...

8. The 10 best holiday candles to make your home smell merry and ...

   www.aol.com/lifestyle/best-holiday-candles-2024...

   If you want to make your home smell good but don’t want to spend a lot, Target’s Threshold candles are an unbeatable value. This two-wick candle is just over 15 ounces and offers up to 50 ...

9. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   Direct electric resistance tank water heaters are not included in the Energy Star program; however, the Energy Star program does include electric heat pump units with energy factors of 200% or higher. Tankless gas water heaters (as of 2015) must have an energy factor of 90% or higher for Energy Star qualification.