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AFUE Furnace Ratings: Why They Matter

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When it comes to heating your home, efficiency is key. AFUE (Annual Fuel Utilization Efficiency) ratings measure how effectively a furnace converts fuel into heat. This rating is important for homeowners looking to lower energy costs and stay warm. If you’re considering a furnace replacement in Des Moines, IA, knowing the basics of AFUE ratings can help you make the right choice. 

At Dalton Plumbing, Heating, Cooling, Electric and Fireplaces, Inc., we know what it takes to help you choose a heating system that works efficiently and saves money over time. Let’s break down why AFUE ratings are so important.

Understanding AFUE Ratings and What They Mean

AFUE ratings tell you how much fuel your furnace turns into usable heat. The number is a percentage. For example, a furnace with a 90% AFUE rating uses 90% of the fuel to heat your home. The remaining 10% escapes through the exhaust system. 

The higher the AFUE rating, the more energy-efficient the furnace. Furnaces with ratings of 80% or lower are less efficient than modern models, which can reach up to 98%. 

Why AFUE Ratings Are Crucial for Your Home’s Efficiency

High AFUE ratings bring several benefits: 

  • Lower Energy Costs: A more efficient furnace uses less fuel, which saves money on heating bills. 
  • Better for the Environment: Less fuel consumption means fewer emissions. 
  • Consistent Heating: Energy-efficient furnaces heat your home evenly and effectively. 
  • Long-Term Savings: While higher-rated furnaces may cost more upfront, they save money over time through reduced energy use. 

How to Select the Right Furnace Based on AFUE

Selecting the right furnace doesn’t have to be complicated. Our professional furnace technicians guide you every step of the way. We look at your home’s size, layout, and heating needs. Then we recommend a furnace with the right AFUE rating. 

If you’re ready for furnace replacement, our team makes the process simple. We handle everything from furnace installation to post-installation inspections. You get a system that runs efficiently and fits your budget. 

Tips to Keep Your Furnace Operating at Peak Efficiency

Even a high-efficiency furnace needs proper care to keep running at its best. Regular heating system maintenance helps keep AFUE ratings from dropping over time. During a routine visit, our technicians: 

  • Check connections and air ducts. 
  • Inspect heat exchangers for cracks or damage. 
  • Clean blower motors and other components. 
  • Change air filters. 
  • Test carbon monoxide levels for safety. 

We also offer a 19-point furnace safety check. This service helps catch potential issues early, saving you from costly repairs later. 

Easy Ways to Cut Heating Costs This Winter

Homeowners can also take steps to lower energy use. For example: 

  • Lower the thermostat when no one is home. 
  • Use weatherstripping to seal windows and doors. 
  • Make sure your home is properly insulated. 

These small changes help your furnace work more efficiently, keeping your home comfortable and your bills low. 

Why Choose Us? 

We believe in doing the job right the first time. Our technicians are highly trained, and we stand behind our work with the best guarantee in the industry. Whether you need furnace repair, furnace replacement, or heating system maintenance, we deliver reliable furnace services that you can trust. When it’s time to upgrade to an energy-efficient furnace or schedule a furnace replacement, our professional furnace technicians are here to help.  

Frequently Asked Questions

Question: What does AFUE mean in relation to a furnace?
Answer: AFUE stands for Annual Fuel Utilization Efficiency. It measures how efficiently a furnace converts fuel into heat over the course of a year. A higher AFUE percentage means more of the fuel is being used to heat your home instead of being lost through the exhaust.

Question: Why are AFUE ratings important when choosing a furnace?
Answer: AFUE ratings help homeowners understand how energy-efficient a furnace is. A higher AFUE means better efficiency, lower fuel costs, and reduced environmental impact. Though high-efficiency units may cost more upfront, they typically offer long-term savings on energy bills.

Question: What is considered a “good” AFUE rating?
Answer: A good AFUE rating is typically 90% or higher. Modern high-efficiency furnaces often range between 90% and 98%, while standard older models may fall in the 80% range. Anything below 80% is considered inefficient by today’s standards.

Question: What can reduce a furnace’s AFUE over time?
Answer:
Factors like lack of maintenance, dirty filters, worn-out components, or poor installation can lower a furnace’s actual efficiency. Even with a high AFUE rating, a furnace can underperform without regular inspections and upkeep.

Question: How can homeowners decide if upgrading to a high AFUE furnace is worth it?
Answer:
Homeowners should consider their local climate, energy costs, how often they use heating, and how long they plan to stay in their home. In colder regions or homes with high heating use, a high-AFUE furnace can significantly reduce monthly bills and pay off over time.

At Dalton Plumbing, Heating, Cooling, Electric and Fireplaces, Inc., your comfort is our promise! Contact us today for professional furnace replacement in Des Moines, IA. 

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