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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 Replacing an outdated furnace with a modern one can significantly improve efficiency.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 13, 2020
We are very happy with our new furnace. The service was excellent the guys worked 6 hours straight through and there was no mess at all they took the old furnace boxs etc with them they then explained everything to us they were very helpful and pleasant , when we need a new air conditioner we know who to call!
May 12, 2020
The crew from sales to installation was very professional and had great attention to detail
May 11, 2020
We couldnt have been more impressed with Twintech - from our first service call with Mitch who took the time to thoroughly diagnose the issue with our furnace, to Dave who proposed a well thought out solution to meet our needs and finally Greg and team who acted quickly to install given we had no heat.
We did our due diligence by soliciting quotes from alternate providers and were shocked and disappointed by the aggressive and manipulative tactics used.
Twintech was honest in their approach, detailed in their product knowledge, reasonably priced, diligent in their follow-up and valued our business.
Well done Twintech! You made this a positive experience for us and our new furnace works beautifully!
May 10, 2020
We recently purchased an Amana high efficiency furnace and humdifier through Twintech. The work was completed very professionally and the quality of the workmanship was high. There was some additional sheet metal work required to complete the installation, which they were able to complete themselves. Overall I am very pleased with the work and would highly recommend Twintech for a furnace replacement.
May 9, 2020
We were very pleased with every aspect of the work that was done. They were very professional and polite. They arrived when they said they would and job was completed on estimated time
We would highly recommend them to whoever needed a recommendation
We have a very large dog and they were very understanding and respectful of him being around
May 8, 2020
The blower on our furnace stopped working leaving us with a cold house. Dave from TwinTech responded immediately to our HomeStars service request. From beginning to end Dave was nothing but helpful, friendly and professional, he did a great job of walking us through the quote and scope of work.
The replacement of the furnace went smoothly. The Guys did a great job, everyone was very friendly and polite. There were no hiccups, or unexpected costs. The only surprise was they left the work area cleaner than it was before they started.
Was a great experience with the whole TwinTech team. Its been a couple of months since the new furnace has been installed and its working great!
May 7, 2020
I heard about TwinTech when researching new furnaces at furnaceprices.ca. After contacting them about my broken down furnace, Dave came to my house the next day to assess my situation and requirements for a new furnace. He recommended one that had stainless steel heat exchangers which sold me since my previous furnace had issues with a rusted secondary heat exchanger that had to be replaced. Dave also set me up with an appointment with an energy audit company so that I could take advantage of a rebate to help improve the energy efficiency of my home and get some money back. A few days later, Greg, Grant, and Mitch came to install the new furnace and remove the old one. When delivering and removing the furnaces, they were very careful not to damage my floors and walls, and even laid out red carpeting to protect the floors. They were very friendly and professional. The installation was completed in the time they said it would take and they cleaned up their work areas. Within a week, Dave called to follow-up to see how everything was going. I have already recommended them to several friends and family members who may need new furnaces soon.
May 6, 2020
Twintech did a great job, from Dave the Sales Rep to the Office staff and The Professional Technicians who did the installation. They were professional, courteous, knowledgable and informative. From beginning to follow up we were completely satisfied with everything. Thanks Again. Sincerely The Laytons
May 5, 2020
Great product, great service, great follow-up. The Twintech Heating and Cooling arranged removal of my existing oil tank and they installed the new gas furnace Amana (made in USA). I am very happy with the final result and support I received throughout the process. My thanks go to the entire Twintech team for their professionalism, great communication and follow-up.
May 4, 2020
We've had Twintech provide us with work in the past, for an inground pool heater and required rough-in for a new gas stove. More recently they provided the same friendly, professional, timely and clean installation of our new furnace.
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