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Understanding Furnace Efficiency Ratings
Posted On: December 11, 2024
Furnace efficiency ratings are essential for homeowners looking to upgrade their heating systems. They measure how effectively a furnace converts energy (natural gas, propane, or electricity) into heat for your home. Here’s a breakdown to help you understand what these ratings mean and why they matter.
What Are Furnace Efficiency Ratings?
Furnace efficiency is typically measured by the Annual Fuel Utilization Efficiency (AFUE) rating. This percentage represents how much fuel is converted into usable heat versus how much is lost during operation.
- 80% AFUE: For every dollar spent on fuel, 80 cents goes to heating, while 20 cents is lost as waste.
- 90%+ AFUE: High-efficiency furnaces convert at least 90% of fuel into heat, minimizing waste.
The higher the AFUE rating, the more efficient the furnace, which can lead to lower energy bills and reduced environmental impact.
Types of Furnaces Based on Efficiency
-
Standard Efficiency Furnaces (80%-89% AFUE):
- More affordable upfront.
- May result in higher long-term energy costs.
- Common in regions with milder climates.
-
High-Efficiency Furnaces (90%+ AFUE):
- Higher initial cost but significant savings on energy bills.
- Often feature advanced technologies like two-stage heating or variable-speed blowers.
- Ideal for colder climates where heating demand is higher.
Factors Affecting Furnace Efficiency
- Age of the Furnace: Older models tend to have lower AFUE ratings. Replacing an outdated furnace with a modern one can significantly improve efficiency.
- Maintenance: Regular cleaning and servicing keep a furnace running at peak efficiency.
- Installation Quality: A poorly installed furnace, regardless of its rating, won’t operate efficiently.
Why Furnace Efficiency Ratings Matter
- Cost Savings: Higher efficiency reduces energy waste, leading to lower heating bills.
- Environmental Benefits: Using energy more efficiently decreases your carbon footprint.
- Home Comfort: High-efficiency furnaces often provide more consistent heating and better humidity control.
- Incentives: Many states and utility companies offer rebates for upgrading to high-efficiency furnaces.
Choosing the Right Furnace
When selecting a furnace, consider factors like your climate, budget, and home size. Work with a licensed HVAC professional to determine the ideal efficiency rating for your needs. They can perform a load calculation to ensure the furnace is appropriately sized for your home.
By understanding furnace efficiency ratings, you can make an informed decision that balances upfront costs with long-term savings and comfort.
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See What Our Customers Are Saying:
May 3, 2020
Reasonable price and the workmanship was prompt and timely and the employees were great to deal with.
May 2, 2020
The sales process was friendly, informative, and very consultative. They worked hard to earn our business by taking a careful look around our home to assess our needs, providing a lot of information about the product, and answering all our questions and finding the right solution for our home at a competitive price. They prepared us very well for what to expect on installation day, and the installation went very smoothly - no surprises, all very professional! They gave us a call after installation to ensure we were happy with the work. We're very happy that we chose to work with TwinTech to get our new furnace.
May 1, 2020
Twintech promptly responded to request for quotation. They were thorough and helpful in explaining options. The quote was very competitive. Installation of new furnace was very professionally completed. Excellent work.
Jan 17, 2020
When our old oil furnace finally broke down we decided it was time to finally convert to natural gas and finally install central air conditioning at the same time. Knowing it was going to be a significant investment for us, we wanted to make the right choice. Twintech came highly recommended by a friend and we were not disappointed. From the first contact with the salesperson, until the final touches on the installation, we were so pleased with their service. Everyone from the company was so friendly, efficient and a pleasure to deal with. Best of all, the cost was very competitive. We would certainly recommend Twintech to anyone requiring HVAC work in their home.
Jan 15, 2020
Mitch from Twintech came out for our annual furnace inspection. We found him to be friendly, conscientious & he left the work area clean. We were also very impressed with the thoroughness of the job he did. This is the 2nd job weve had Twintech do for us & have been very happy with the results for each. We highly recommend this company. Thank you, Mitch, Dave & Greg.
Jan 14, 2020
Work was done on schedule, professionally, according to quote and with minimal inconvenience to building users. Very happy with the end result. The only area for improvement from my experience - need more timely quoting process.
Jan 13, 2020
The team was great! Very knowledgeable, professional and extremely helpful. A few days after install the unit didnt seem to be working, user error, but within minutes of contacting them..on a Saturday.. a tech was on the phone troubleshooting with us. I highly recommend Twintech for your cooling or heating needs. They stand by their products and a pleasure to deal with.
Jan 11, 2020
During the hottest week in the summer our old A/C decided to call it quits. I called Twintech Heating & Cooling after receiving a referral from a family member; came highly rated for being an honest, family-run business, who appreciates their customers. Dave was able to accommodate my hectic schedule and book a late evening appointment to walk through the specifics. Greg and Mitch arrived exactly on time a few days later, were very polite and friendly, and within a couple of hours had a new unit up and running. I also received a follow-up call to ensure we were happy with the Amana.
Jan 10, 2020
They were on time and very professional. I'm so glad I decided to go with Twintech, thanks!
Aug 20, 2019
Timely and appreciated - this was during the hottest days this year when our Air and Furnace way.
Efficient. Professional. No BS or overselling. What was promised, was delivered at a cost-effective price point.
Down to earth.
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