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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 Replacing an outdated furnace with a modern one can significantly improve efficiency.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:
Apr 12, 2019
On one of the coldest days of winter, our furnace stopped working. Our regular furnace company came and told us we had a CO2 leak and shut us off. Their quote for a new furnace was way too high and they couldn't even install it on the same day. TwinTech was recommended to us by a friend. We called and spoke to Dave who was very nice and knowledgeable. Grant showed up a short time later and a new furnace was installed the same day with no troubles at all. Best of all, we received a higher-end furnace than what was offered by our previous company and at a cheaper price. I would recommend TwinTech with no hesitation at all.
Apr 11, 2019
I installed a new furnace and Air conditioner with them. The installation is of high quality and according to standards. The guys are professional and reasonably priced.. I highly recommend them.
Apr 10, 2019
Had new furnace installed and ran into some difficulties but the contractor responded in a timely and efficient manner - after further service calls were made, a reasonable resolution was found.
Apr 8, 2019
The work was done quickly efficiently neatly and professionally. Pleased with the service, information, product, and the company.
Apr 1, 2019
Great sales member named Dave came in told us some amazing items and how they would be priced installed an all. We couldnt believe it! The next day the ac was installed, that day one employee named Greg told us that our furnace was working way to hard and was causing us to use way too much gas. So two days later they came in an installed a new furnace!
Apr 1, 2019
Installation was done quickly and professionally. The new furnace is quiet and provides even heat.
Mar 3, 2019
They removed and discarded old furnace. Installed new furnace. Installed air intake pipe, that had never been installed by builder, no charge. Replaced loose hose on floor with hard pipe and rerouted it to drain, no charge. Almost 33% cheaper then quote from Enercare, which was the company we dealt with and had insurance with for 8 years. No yearly fee for cleaning/insurance, saves 300 a year. Courteous, professional, fast, and friendly. My wife and I have been recommending them to everyone we know and meet, and will continue to do so. Thanks for everything, Twintech!!!
Mar 4, 2019
This company was great to deal with. Our furnace went down and they installed a new furnace the next day with a lot of professionalism!
Feb 22, 2019
Finally! An honest company with highly knowledgeable and informative staff. Had a furnace service and found multiply errors in our system from an amateur installer. Very fair price to correct problems and will definitely use again.
Feb 16, 2019
Had to replace the heating & a/c unit in a condo apartment dwelling. this company recommended by the property manager and president of the condo building. found their workmanship and attention to details very good and very thorough. were able to resolve small problems and situations and happy to feel the heat in my unit. it's pricey, but happy was done by a very professional service. thank you.
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