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10 Best Furnaces of 2018

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Updated: Mar. 7, 2018

mandores tracks 900 series of warm air furnaces. This list ranks the top 10 series by the ratings assigned by our reviewers. Series which are no longer for sale in 2018 have been removed from the list.

The list represents the top-rated furnaces available in the US and Canada. These furnaces vary in efficiency from 80% to more than 97% efficient, as measured by the Annual Fuel Utilization Efficiency or AFUE. They also vary in configuration, features and price.

Rank Brand and Series Consumer Rating Efficiency (SEER) Average Pricing
10. Luxaire TG9S 3.68 out of 5 up to 95.5% not available
The TG9S is a natural gas furnace in Luxaire's Climasure series. It has a single-stage burner, and boasts a 4-stage PSC blower motor.
9. Maytag PGC2TC 3.78 out of 5 up to 95.1% not available
The Maytag PGC2TC offers two-stage heat and a variable-speed blower designed to reduce noise and uneven temperatures. A 30-second blower delay provides warm duct temperatures at start-up.
8. Frigidaire FG7TC 3.8 out of 5 up to 95.1% not available
Frigidaire's FG7TC gas furnace offers two-stage performance with a variable-speed motor designed for precise comfort control and quiet airflow. The blower's insulated compartment contributes to the overall quiet performance, while the blower's 30-second delay provides warm duct temperature.
7. Goodman GMEC96 3.86 out of 5 up to 96% $1,222
The Goodman GMEC96 provides two-stage heat with a multi-speed ECM blower. Its multi-position configuration, along with optional side venting and left or right connection for gas and electrical service, provides increased installation options.
6. Ruud Achiever 4 out of 5 up to 95% $1,128
The Ruud Achiever uses the PlusOne Ignition System, a direct spark ignition that the company states is one of the most reliable ignition systems available. The Achiever features a 7-segment LED display and a patented heat exchanger designed to reduce operating sound while improving efficiency.
5. Frigidaire FG7MQ 4 out of 5 up to 97% not available
The Frigidaire FG7MQ is an iQ Drive modulating gas furnace which analyzes the temperature every 60 seconds and adjusts itself accordingly. The unit's iQ Drive controller offers fully programmable comfort along with as well as maintenance and troubleshooting diagnostics.
4. York LX 4.14 out of 5 up to 97% $1,445
York says that its LX series of gas furnaces provide high efficiency in a small, 33-inch cabinet. Depending on the unit, a modulating burner or a variable speed blower improve the heating comfort.
3. Thermo Pride OL5 4.2 out of 5 up to 86% $3,766
Thermo Pride's OL5 oil furnace is designed for low-ceiling basement installation. It comes standard with a PSC blower motor, but can be upgraded to a more efficient ECM motor.
2. York TM9V 4.5 out of 5 up to 96% $1,950
York's TMV9 gas furnace is equipped with a two-stage burner and a variable-speed blower designed to deliver quiet, precise comfort. The unit's compact 33-inch height and multi-position configuration uses less space and provides increased installation options.
1. York TG8S 5 out of 5 80% $894
York's TG8S provides single-stage heat with a constant-speed PSC fan motor. It features a compact 33-inch design with multi-position configuration for greater installation options.


Consumers and homeowners have submitted thousands of reviews to this site. In addition to reviewing a particular model of equipment, the reviewer also assigns a rating from 1 ("Very Unsatisfied") to 5 ("Very Satisfied"). The following list ranks the top 10 furnace series from best to worst, based on the average of those consumer satisfaction ratings. has collected reviews on more than 90 brands and 450 different series of furnaces. However, we have only included a series on this list if we have at least 5 reviews of that series, and if the series is available in 2018. If we only have a few reviews, there is a risk that a single homeowner will skew the average rating too far in one direction or another.

Average Pricing

There are two different types of prices shown in the "Average Pricing" column.

  • If you see a simple price, that is the average price that we found on the websites of internet retailers that sell that particular series of furnaces, or in the price books of the manufacturers themselves.
  • If you see a price followed by the note (installed), this means that retailers are under agreement with the manufacturer not to publicly display the price of the units. In these cases, the price is an average of quotes given to homeowners.

Note that prices -- even when they are published online -- can vary substantially based on the capacity of the unit in question: 24,000 BTU units are typically cheaper than 60,000 BTU units of the same brand and series.

The "installed" prices can vary even more dramatically. Not only do they cover a range of capacities, but prices also vary geographically and from installer to installer Some installations may require more work than others, thus increasing the price.

You can use our furnace cost calculator to get an estimate of the cost to install a furnace customized for your city and state.

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