What do HVAC ratings mean?

Technology

If you are looking for a new heating and cooling system, you have a lot of different features to think about. Is it the correct size for your home? Will it provide the efficiencies you are looking for? Is the price point one you’re comfortable with? Will the unit be quiet enough for your home? Will it be beneficial for your indoor air quality? That’s a lot to think about. On top of all the questions you have, some HVAC knowledge seems just out of reach. The acronyms and shorthand that industry professionals use can raise more questions for the average individual. Luckily, the professionals at All Elements Heating & Air LLC are breaking down the system ratings you need to know before making a purchase:

Annualized Fuel Utilization Efficiency (AFUE): This efficiency rating is a ratio that associates how much of the fuel you use in your furnace to the amount turned into useable heat. A better system will have a higher percentage of heat used.

If your system has an AFUE rating of 85, that means the system makes 85 percent of the fuel used into useable heat. If you are looking for a highly efficient system, you’ll want one that has an AFUE of 90 or higher. Lennox has residential furnaces with ratings up to 98.7—the highest in the industry.

Seasonal Energy Efficiency Ratio (SEER): This rating is used in both air conditioners and heat pumps. Similar to AFUE, this ratio measures how much of the fuel used to power an HVAC system is converted to cooling output. A more efficient system will have a higher SEER rating.

Minimum SEER ratings change between regions. High efficiency models are generally more expensive, but they provide more energy savings. Lennox offers air conditioners with SEER ratings up to 26—another industry leading rating.

Heating Seasonal Performance Factor (HSPF): Do you own a heat pump or plan to shop for one? This is the heating efficiency rating you need to know. A higher rating indicates a more efficient heat pump. If you want to find a solution that’s ENERGY STAR® efficient, that requires a rating above an 8.2—as well as a SEER rating above 12.

Minimum Efficiency Reporting Value (MERV): Air filters have holes that let air and particles to circulate within your indoor space. MERV takes a look at the size of the holes. The higher the rating, the smaller the holes in the filter—and a decrease in the number of particles that get into your home. If you’re looking for a more efficient filter, find one with a MERV rating of 10 or higher.

Air filters are essential to indoor air quality. Make sure to find the rating that works with your home, with your system and change the filter regularly.

These ratings will be important as you search for a solution that meets your needs. If you’re ready to find the model that will work for you, or you have more questions about system ratings, call the team at All Elements Heating & Air LLC. You can reach us at 903-702-3941 We’ll work with you to find the best solution and get to the bottom of all your questions.

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