Is a Lennox heat pump any good?

Yes, a Lennox heat pump is any good and is considered premium brand offering highest efficiency and quietest operation in industry. Lennox heat pumps including Merit ML14XP1 14 SEER single stage, Elite EL16XP1 17 SEER two-stage, Signature XP20 20 SEER variable speed, and XP25 23.5 SEER most efficient are made in Marshalltown, Iowa and other US plants with heavy-duty construction. Based on HVAC dealer surveys, Lennox heat pumps have first-year service call rates around 9 to 12 percent, which is slightly higher than Trane and Carrier at 8 to 10 percent but better than value brands like Goodman at 10 to 13 percent, indicating good reliability. Key strengths that make Lennox heat pump good include highest efficiency in industry at 23.5 SEER for XP25 versus Trane max 22 SEER and Carrier max 20.5 SEER, extremely quiet operation at 59 decibels due to SilentComfort technology that is quietest among heat pumps, excellent cold weather performance with variable speed models that operate down to minus 5 degrees without backup, and innovative features like SunSource solar ready and iComfort communicating. Common complaints include proprietary parts that cost 20 to 30 percent more than standard parts, for example control board at 400 to 800 dollars versus 200 to 400 dollars for Goodman, and higher upfront cost of 5,000 to 11,000 dollars installed versus Goodman at 3,500 to 6,500 dollars. For homeowners wanting most efficient and quietest, Lennox is excellent choice.