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Recommended Models at a Glance
| Brand and model | Positioning | Best for | Verified product fact | Important limitation |
|---|---|---|---|---|
| Carrier Infinity 98 59MN7 | premium | premium comfort, precise modulation, and high efficiency | Modulating gas furnace with variable-speed operation and efficiency up to 98.5 percent AFUE. | may require professional installation |
| Trane Premier 97 Two-Stage Variable Speed | premium | high efficiency with two-stage heating and variable-speed airflow | Two-stage variable-speed gas furnace with a 97 percent AFUE rating. | may not be suitable for very small homes |
| Lennox SLP99V | premium | maximum efficiency and quiet variable-capacity heating | Variable-capacity gas furnace with efficiency advertised up to 99 percent AFUE. | may require professional installation |
| Rheem Endeavor R98MV | premium | high-efficiency modulating heating and connected controls | Modulating gas furnace family with 98 percent AFUE and EcoNet compatibility. | Confirm exact sizing, matched components, current specifications, local availability, and installed pricing. |
Introduction to High Efficiency Gas Furnaces
For homeowners in cold climates, a high efficiency gas furnace is a must-have for reliable and cost-effective heating. In this guide, we will explore the best options available in the market.
Who Should Buy a High Efficiency Gas Furnace?
Homeowners living in cold climates, especially in the northern states, should consider investing in a high efficiency gas furnace. These furnaces are designed to provide maximum heat while minimizing energy consumption.
How to Choose the Right Model
When selecting a high efficiency gas furnace, it’s essential to consider factors such as sizing, Manual J, matched equipment, climate, ducts, fuel, electrical service, installer quality, and local parts support. Don’t rely solely on brand reputation; instead, focus on the specific needs of your home and climate.
Recommended Models
We recommend the following models for their exceptional performance and efficiency.
Carrier Infinity 98 59MN7
This premium model offers modulating gas furnace with variable-speed operation and efficiency up to 98.5 percent AFUE.
Trane Premier 97 Two-Stage Variable Speed
This model features a two-stage variable-speed gas furnace with a 97 percent AFUE rating, ideal for high efficiency with two-stage heating and variable-speed airflow.
Lennox SLP99V
The Lennox SLP99V is a variable-capacity gas furnace with efficiency advertised up to 99 percent AFUE, perfect for maximum efficiency and quiet variable-capacity heating.
Contractor Quote Checklist
When requesting quotes from contractors, ensure they provide the following information: exact model, AHRI match, current specs, warranty registration, availability, and written installed quote.
Final Recommendation
Based on your homeowner profile, consider the following factors to make an informed decision. For cold climates, prioritize high efficiency and reliable performance. Verify the exact model, specs, and warranty before making a purchase.
Frequently Asked Questions
What is the most efficient type of gas furnace?
The most efficient type of gas furnace is a high efficiency model with a high AFUE rating, such as the Lennox SLP99V or Carrier Infinity 98 59MN7.
How do I choose the right size gas furnace for my home?
To choose the right size gas furnace, consider factors such as your home's square footage, insulation, and climate. Consult with a professional to determine the best size for your specific needs.
What is the difference between a single-stage and two-stage gas furnace?
A single-stage gas furnace operates at one constant speed, while a two-stage gas furnace can operate at two different speeds, providing more efficient heating and better temperature control.
Do I need to replace my entire HVAC system if I upgrade to a high efficiency gas furnace?
Not necessarily. However, it's essential to ensure that your new gas furnace is compatible with your existing HVAC system and that it's properly sized and installed for optimal performance.
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