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2. New efficiency standards for home furnaces unveiled [Video] - AOL

   www.aol.com/news/biden-administration-unveils...

   DOE estimates that this efficiency improvement, and the resulting lower gas bills, would save consumers $1.9 billion annually — or $500 over the lifetime of each new furnace.

3. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   Modern high-efficiency furnaces can be up to 98% efficient and operate without a chimney, with a typical gas furnace being about 80% efficient. [1] Waste gas and heat are mechanically ventilated through either metal flue pipes or polyvinyl chloride (PVC) pipes that can be vented through the side or roof of the structure. Fuel efficiency in a ...

4. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   A drawback is the installation cost, which can be slightly higher than traditional HVAC systems. Energy efficiency can be improved even more in central heating systems by introducing zoned heating. This allows a more granular application of heat, similar to non-central heating systems. Zones are controlled by multiple thermostats.

5. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   The efficiency of a heating system is typically measured by its AFUE (Annual Fuel Utilization Efficiency) rating. Higher AFUE ratings indicate a more efficient furnace. [ 5 ] Environmental impacts are a concern with heating systems, especially those that burn fossil fuels.

6. 8 Most Effective Ways To Use Your 2024 Tax Refund To ... - AOL

   www.aol.com/finance/8-most-effective-ways-2024...

   The U.S. DOE reported that a high efficiency air conditioner can reduce your energy expenditure for cooling by 50%. More From GOBankingRates 7 Winter Clothing Items You Should Buy at Costco Now

7. Biden administration updates furnace efficiency standards for ...

   www.aol.com/lifestyle/biden-administration...

   The Energy Department issued its final efficiency rules for residential furnaces on Friday, which it projects will save Americans over $1.5 billion in heating expenses per year. The updated ...