Goodman
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GSXC7 Air Conditioner with two-stage scroll compressor and up to 17.2 SEER2
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GSZC7 Heat Pump offering dual-stage performance with up to 16.2 SEER2 and 8.1 HSPF2
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GMVM97 Gas Furnace achieving up to 98% AFUE with ComfortBridge™ technology
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Industry-leading lifetime compressor and heat exchanger warranties on flagship models
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Broad national availability with competitive pricing compared to most premium rivals
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Simple, service-friendly designs that many contractors describe as “installer-friendly”
Lennox
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Wide portfolio of residential ducted systems, including furnaces, central AC, and air-source heat pumps
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Exclusive Dave Lennox Signature® Collection with variable-capacity technology
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High-efficiency models reaching SEER2 up to 28 and AFUE up to 99%
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Known for SilentComfort™ Technology reducing operational noise
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Strong emphasis on environmentally friendly refrigerants and sustainable design
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Smart thermostat integration through Lennox iComfort® S30 for precision control
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Lennox HVAC
Among the major names in HVAC, Lennox stands out for its long heritage and reputation for pushing the limits of efficiency. For this review, I focused on three cornerstone products that reflect the brand’s residential ducted portfolio: the SLP99V Gas Furnace, the SL28XCV Variable-Capacity Air Conditioner, and the XP25 Variable-Capacity Heat Pump. Together, these models showcase what Lennox brings to homeowners who demand consistent comfort, low energy bills, and technology that balances innovation with real-world reliability. Over years of field testing and speaking with homeowners, I’ve seen both the strengths and the areas where Lennox could improve, and this review reflects that balance.
Goodman HVAC
For decades, Goodman has been known as the HVAC brand that delivers straightforward, affordable comfort systems without the luxury pricing of top-tier competitors like Carrier or Lennox. Founded in 1975 and now part of Daikin Industries, Goodman benefits from global R&D while still focusing on value-oriented systems built for the American residential market.
In this review, I’ll focus on three key models that showcase Goodman’s capabilities: the GSXC7 Air Conditioner, the GSZC7 Heat Pump, and the GMVM97 Gas Furnace. These units represent the upper end of Goodman’s residential offerings, combining competitive efficiency, reliable performance, and some smart technology integration through ComfortBridge™.
While Goodman has historically been seen as a “budget” brand, its recent lineup demonstrates significant improvements in quality, efficiency, and warranty coverage. Still, it’s worth noting that Goodman’s reputation remains closely tied to installation quality—when properly installed, these systems can perform exceptionally well, but poor installs are more common at this price tier, which can skew homeowner experiences.
