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Posts Tagged ‘AFUE’

Choosing a Furnace System

These days, home owners search for all the value they can find in every household purchase they make. You’re probably no different. So when the time comes to replace a furnace in an existing central heating system, or to install a totally new system, you want equipment that minimizes costs and delivers dependable comfort for your family – season after season. Here’s a look at some things to consider.

What do Good Furnaces Have in Common?
The best furnaces are efficient. They keep a home warm and comfortable. They provide steady, dependable performance year after year. And they are quiet, long-lasting and low in service frequency and cost.

How Is Efficiency Measured?
The overall heating efficiency of your furnace is based on the Annual Fuel Utilization Efficiency (AFUE) of your unit. The AFUE measures the amount of heat actually delivered to your house compared to the amount of fuel that you must supply to the furnace – the higher the rating, the more efficient the unit.

Are some furnaces better than others?
Definitely. Features to look for include heat exchangers that resist corrosion, direct-drive blower units, induced draft blowers, pressure switches, and an insulated blower compartment, which helps minimize operating noise.

You also should ask your contractor if the manufacturer of the brand you’re considering quality-checks and tests every unit before it leaves the plant.

And be sure to check out the terms of the Limited Warranty. Quality manufacturers put a convincing warranty behind their work. Rheem furnaces, which include all the features described here, offer one of the very best. Even the primary and secondary heat exchangers in the Rheem 90 Plus® are protected by a Limited Lifetime Heat Exchanger Warranty.

What should I look for in a contractor?
Dependability. Look for a contractor you see in your community. You want one who’s close by to provide you faster, more convenient service. Stadtler Heating & Cooling is family owned and operated and has been servicing the Downers Grove and Westmont areas for four generations.

Still have questions?  Here are some FAQs that might help, or contact us.

FAQs About Your Heating & Air Conditioning System

Are you looking for a new system and confused about all terms you are reading about?  Here a some of the frequently asked questions we get at Stadtler Heating & Cooling about heating and cooling units.

What do rating numbers mean?
The U.S. government requires an efficiency rating of all air conditioning and heating equipment. The rating reflects the percentage of energy used efficiently, with a high rating indicating high-efficiency. The next two topics address this issue in greater detail.

What is a SEER?
There are special names for the efficiency ratings of various types of equipment. Air conditioning equipment is rated by the Seasonal Energy Efficiency Rating, or SEER. The higher the SEER rating, the more efficient the unit.

What does AFUE stand for?
There are special names for the efficiency ratings of various types of equipment. Gas furnaces are rated according to their Annual Fuel Utilization Efficiency, or AFUE. The higher the AFUE rating, the more efficient the unit.

Should a thermostat be set to “auto” or “on”?
Preferably auto. That way, the fan operates only when the temperature requires it. This is the most used and the most efficient setting. However, there are advantages to using the “on” setting. Air is constantly filtered through the unit’s air filter, and the constantly circulating air results in an even temperature throughout the house.

Can shrubs or flowers be planted around an outdoor unit?
Yes. However, we recommend that plants be no closer than 18 inches to the unit. This allows for plenty of room for air circulation in and out of the unit. Without this room for air circulation, the unit could overheat, resulting in a premature need for service.

If an outdoor unit needs replacing, should the indoor unit be replaced too?
Yes. Rheem air conditioning and heating units are designed to operate as a complete, matched system. The efficiency rating is based on the entire system. Replacing the entire system ensures the system will be reliable and efficient.

How do I know what size unit our house needs?
Stadtler Heating & Cooling can help you with that. Our technician will do a load calculation on your home.  The load calculation considers many factors including size of the house, climate, the number and type of windows installed, insulation, and even the number of people living in the house. This is a very important step when choosing a new system.  Find out more about the importance of a load calculation in this article.

If you’d like a load calculation on your home or have any additional questions about your heating and cooling system, contact us.

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