Most Efficient Natural Gas Furnaces: Buying Recommendations

Natural gas furnaces are one of the most popular heating options for US homes. According to data gathered by the US Census Bureau, gas-fired heating systems are used by 48% of American households

Natural gas has a key advantage over other fuels like propane and heating oil: it arrives by pipe as a utility service, which means you don’t have to worry about scheduled deliveries. With other heating fuels, you must plan these deliveries carefully to avoid running out during a cold winter day.

If you’re looking for the most efficient gas furnaces, the best recommendation is to look for units with the ENERGY STAR label. The US Environmental Protection Agency created the ENERGY STAR program to help homeowners and businesses looking for the most efficient appliances and equipment.

Energy consuming devices can only get the label after passing rigorous performance tests, in federally approved laboratories that are completely independent from manufacturers and vendors.

Here we will provide an overview of the most efficient gas furnaces you can find in 2022 and 2023, but first we will discuss the metric used to describe their energy performance – the Annual Fuel Utilization Efficiency or AFUE.

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Carrier vs. Trane Furnace: Cost, Pros & Cons – Furnace Reviews

A comparison of Trane vs. Carrier furnaces features the two top-rated brands in the industry.

Yes, they’ve got the largest marketing budgets, so they are household names – but independent testing and homeowner surveys also put them at or near the top of the heap in reliability and customer satisfaction. Trane is a small step ahead.

Cost Overview

80% efficient furnaces – Average Installed Costs: 80,000 BTU 80% AFUE Furnaces

  • Carrier: $3,100 – $7,050
  • Trane: $3,250 – $7,200

90%-Plus efficient furnaces – Average Installed Costs: 80,000 BTU 90% and Higher Furnaces

  • Carrier: $5,300 – $8,900
  • Trane: $5,450 – $9,100

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Goodman Furnace vs. Lennox: Cost, Pros & Cons – Furnace Reviews

The Goodman furnaces vs. Lennox furnaces comparison features the industry’s low-cost leader against the most expensive furnace brand. You can guess which is which.

Here is a summary of Lennox vs Goodman furnace cost.

80% efficient furnaces: Average Installed Costs: 80,000 BTU, 80% AFUE Efficiency Furnaces

  • Goodman: $3,850 – $6,150
  • Lennox: $5,100 – $7,350

90%-Plus efficient furnaces: Average Installed Costs: 80,000 BTU, 90% and Higher Furnaces

  • Goodman: $4,600 – $6,450
  • Lennox: $6,700 – $9,350

Goodman has better warranties, even though the quality of Goodman’s best furnaces isn’t quite as good as Lennox’s best furnaces.

That’s the snapshot of what you’ll find below.

Now, let’s dig into the details starting with a cost comparison and moving to an overview of the model ranges, warranties, plus pros and cons of each brand.

The content concludes with recommendations for how to choose between Goodman and Lennox furnaces.

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