What people are saying about Costco Lennox HVAC systems based on Reddit, HVAC forums, and retailer reviews in 2026 is mixed, with positives on rebate and warranty but negatives on price and dealer assignment. Positive reviews highlight Costco Shop Card rebate of 10 percent worth 500 to 800 dollars on 5,000 to 8,000 dollar system, plus Executive 2 percent, extended warranty included, satisfaction guarantee, and Lennox quality with high efficiency up to 26 SEER for XC25 and quiet operation at 59 decibels, with many reporting professional installation and good follow-up, rating 4.2 to 4.6 stars from Costco members. Negative reviews mention price is not actually cheaper than independent Lennox dealer, as Costco price of 5,500 to 7,500 dollars for EL16XC1 3-ton is similar to dealer quote of 5,000 to 7,000 dollars, but Costco adds middle layer, you cannot choose dealer, you get assigned local dealer who may be less experienced, and sales process can be pushy with upselling of ductwork and air purifier. Some HVAC pros on forums say Costco Lennox program dealers must pay Costco fee of 10 percent, so they may cut corners on labor or use less experienced installers to maintain margin, and installation quality matters more than brand, so independent dealer with good reputation may be better. Overall sentiment is Costco Lennox is legitimate with good rebate, but not necessarily cheapest, and you should still get 3 quotes comparing Costco and local dealers for best value.
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