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2. Forced-air gas - Wikipedia

   en.wikipedia.org/wiki/Forced-air_gas

   High-efficiency condensing furnaces condense the water vapor (one of the by-products of gas combustion) and extract the latent heat to pre-heat the incoming furnace airflow, using a second heat exchanger. [2] This increases the efficiency (energy delivered into the building vs. heating value of gas purchased) to over 90%.

3. Furnace (central heating) - Wikipedia

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

   The fourth category of furnace is the high-efficiency condensing gas furnace. High efficiency condensing gas furnaces typically achieve between 90% and 98% AFUE. [3] A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as ...

4. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   The primary energy source is selected on the basis of cost, convenience, efficiency and reliability. The energy cost of heating is one of the main costs of operating a building in a cold climate. Some central heating plants can switch fuels for reasons of economy and convenience; for example, a home owner may install a wood-fired furnace with ...

5. Average closing costs on a house in 2024 - AOL

   www.aol.com/finance/average-closing-costs-house...

   The national average closing costs for purchasing a single-family home come to $6,905 including transfer taxes, and $3,860 without, according to the most recent data from CoreLogic’s ClosingCorp ...

6. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   This category includes furnaces, boilers, and heat pumps. [1] [2] Distributed heating systems: These systems generate heat in the space they are to heat, without extensive duct systems. Examples include electric space heaters, fireplaces, and solar heating. [3]

7. New housing survey: Consumers are getting more confident as ...

   www.aol.com/finance/housing-survey-consumers...

   The improved sentiment comes as home prices remain near all-time highs and mortgage rates have climbed since September to average around 6.7%.They're down slightly from as high as 6.84% in recent ...