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Best Furnace Brands for Minnesota Homes Minnesota’s winters are among the harshest in the United States, with long stretches of sub-zero temperatures and heavy heating demands lasting for months. Selecting...
The Carrier Infinity® 98 is built for homeowners who want consistent indoor temperatures without the hot‑and‑cold swings common in single‑stage furnaces. Instead of cycling fully on and off, the Infinity 98 adjusts heat output in 1% increments, running longer at lower power to maintain steady comfort.
Carrier’s Greenspeed® Intelligence continuously monitors indoor conditions and adapts airflow and fuel use in real time. The result is even temperatures, improved humidity control, and quieter performance — especially noticeable in bedrooms and open‑concept homes.
The Infinity 98 packs Carrier’s most advanced furnace technology into a durable, high-performance system. Below are its key specifications that highlight efficiency, comfort, and warranty coverage.
| Feature | Specification |
|---|---|
| Efficiency | Up to 98.5% AFUE |
| Gas Valve | Modulating (1% increments) |
| Blower | Variable-speed ECM |
| Smart Tech | Greenspeed® Intelligence |
| Noise Level | Ultra-quiet, variable-speed operation |
| Warranty | 10-year parts + lifetime heat exchanger (with registration) |
The Infinity 98 performs best when paired with Carrier’s Infinity® system control, which unlocks full modulation and zoning capabilities. Some homeowners love the deep customization; others report a learning curve.
Good to know:
When shopping for a new furnace, it helps to see how top models stack up side by side. The Carrier Infinity® 98 goes head-to-head with the Trane XC95m and the Lennox SLP99V, all of which are premium, high-efficiency furnaces. Each offers modulating gas valves and variable-speed blowers, but Carrier sets itself apart with its exclusive Greenspeed® Intelligence technology.
| Model | AFUE | Operation | Cost (Installed) | Best For |
|---|---|---|---|---|
| Carrier Infinity 98 | Up to 98.5% | Modulating + Variable-Speed | $6,500 to $12,000 | Precision comfort & smart control |
| Trane XC95m | Up to 97.3% | Modulating + Variable-Speed | $6,000 to $11,000 | Reliability-first buyers |
| Lennox SLP99V | Up to 98.7% | Modulating + Variable-Speed | $7,000 to $12,500 | Maximum efficiency seekers |
Bottom line: Performance is similar across all three. Carrier stands out for comfort management and system intelligence rather than raw efficiency alone.
Most homeowners land between $7,500 and $10,500 installed. Costs rise toward $12,000+ when installation requires:
Lower costs are more common for straightforward replacements in moderate‑cost regions.
Installation prices vary widely by region. High‑cost areas like California, New York, and the Northeast often run 20% to 30% above national averages, while Midwest and Southern states trend lower.
Many states and utilities offer ENERGY STAR® rebates for ultra‑high‑efficiency furnaces.
For the most accurate estimate, it’s best to get multiple local quotes and ask about regional rebate programs that may offset installation expenses.
Get a custom quote from local HVAC pros!
With proper installation and annual maintenance, the Infinity 98 typically lasts 15 to 20 years or more. Recommended yearly service includes:
The modulating design reduces system stress, which can help extend service life compared to single‑stage units.
Homeowners consistently highlight quiet operation and comfort improvements. Common criticisms focus on price and thermostat complexity rather than performance.
“I replaced my 32 year old Infinity system with a new one. This furnace can handle all 6 zones with no issues. Well worth the investment.” — Homeowner Review
“The Carrier Infinity® 98 Gas Furnace with Greenspeed® Intelligence offers unmatched comfort and efficiency. Its modulating gas valve adjusts in 1% increments between 40–100% capacity, delivering precise, consistent heat and reducing temperature swings.” — Business Review
“Our ratings would receive a 5 BUT, we are not completely happy with the thermostat, we find it very not user friendly.” — Homeowner Review
The Carrier Infinity® 98 is one of the best furnaces available for homeowners who value comfort, efficiency, and long‑term performance. While it commands a premium price, the payoff comes in quieter operation, steady temperatures, and lower energy use — especially in colder climates.
If you’re deciding between multiple high‑efficiency systems, getting local quotes is the best way to determine real‑world value for your home.
Ready to upgrade to a high-efficiency furnace? Get matched with top‑rated local HVAC professionals to see what the Carrier Infinity® 98 — and comparable alternatives — would cost in your area.
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