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2. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

3. How To Prep for Winter Energy Bills: 7 Affordable Home Upgrades

   www.aol.com/finance/prep-winter-energy-bills-7...

   Install a Smart Thermostat. Average cost: ... But, for electric water heater owners out there, this upgrade should only cost about $30. Insulate Your Hot Water Pipes. Average cost: $10 to $15.

4. Storage water heater - Wikipedia

   en.wikipedia.org/wiki/Storage_water_heater

   Solar heat is clean and renewable. This is the most modern system. Increasingly, solar powered water heaters are being used. Their solar thermal collectors are installed outside dwellings, typically on the roof or walls or nearby, and the potable hot water storage tank is typically a pre-existing or new conventional water heater, or a water heater specifically designed for solar thermal.

5. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   Gas tankless water heater (Taiwan) On the other hand, tankless water heaters also have some disadvantages: [8] Startup costs: Beyond the 2x-4x larger initial purchase price (as compared to a tanked water heater), installing a tankless system comes at an increased cost, particularly in retrofit applications. They tend to be particularly ...

6. 6 Home Depot Products Under $50 That Will Reduce Your ... - AOL

   www.aol.com/finance/6-home-depot-products-under...

   Feit Electric LED Light Bulbs. Price: $19.98. You’ll be keeping the lights on more with winter’s shorter days. Switching to LED bulbs is a great, painless way to save energy on your electric bill.

7. Mechanical, electrical, and plumbing - Wikipedia

   en.wikipedia.org/wiki/Mechanical,_electrical...

   MEP specifically encompasses the in-depth design and selection of these systems, as opposed to a tradesperson simply installing equipment. For example, a plumber may select and install a commercial hot water system based on common practice and regulatory codes. A team of MEP engineers will research the best design according to the principles of ...