News

A ductless mini split system inside of a house in Maryville, TN.

Ductless Maintenance

March 25, 2019

A ductless, or mini-split, heating and cooling system is a splendid choice for your home and a worthwhile investment. It offers many benefits, and you can enjoy them all for years to come if you maintain the system on a consistent basis. You definitely want to protect your investment. By not keeping up with the…

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Smoke detector being installed in Maryville, TN.

Carbon Monoxide

March 15, 2019

A & L Heating and Air provides maintenance and service on all possible CO producing appliances as well as Carbon Monoxide detectors for your home and office. What is Carbon Monoxide? Carbon monoxide is a poisonous, odorless, tasteless gas. It is formed by the incomplete combustion of carbon, or the incomplete burning of natural gas…

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Mature man taking out a dirty air filter from a home ceiling air return vent. Male removing a dirty air filter with both hands in a house from a HVAC ceiling air vent.

Replace Your Air Filter!

February 19, 2019

In millions of American households, an epidemic is taking place. People have stayed quiet about it for far too long. Now is the time for this deadly secret to be unmasked. Yes, we’re talking about (gasp) dirty air filters. Don’t let the naysayers fool you. Anyone who says dirty air filters aren’t a problem are…

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Elevated View Of Young Couple Lying In Bed Covering Their Ears With Pillow.

Why Is My Heat Pump Making Loud Noises?

February 8, 2019

Heat pumps can be expected to make some noise. However, unusually loud noises point to a problem. If your system is reaching decibels impossible to ignore, you should turn it off to prevent further damages. Then give A & L Heating and Air a call at 865-856-8797 to schedule a repair visit. We’ll be able…

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The word SAVE on a digital room thermostat wearing wooly hat.

Thermostats 101

January 12, 2019

What are thermostats? Thermostats are the brains of the HVAC system. They facilitate heating and cooling so the temperature in your house is where you want it to be. How do they work? When you set the desired temperature on the thermostat, it sends signals to your HVAC system. Your HVAC system then produces bursts…

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Air conditioning heat pumps on the side of a house

What is a Heat Pump and How Does it Work?

January 4, 2019

A heat pump is a device that transfers heat from one place to another, from inside to outside or from outside to inside. In the Winter it works like a heater, extracting heat energy from outside and transferring it inside. In the Summer the process reverses and it will remove heat from your home and…

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Portrait of a student woman sitting at the desk, frowned, looking aside lifestyle. Education concept photo

What’s That Sound Coming From My Furnace?

December 29, 2018

It’s normal for your furnace to make some noise, for instance, a dull hum is to be expected. However, louder noises might spell trouble for your heating unit’s components. Remember to turn off your furnace if it makes any alarming sounds. Also, leave the repair job to a professional. To help you, our team at…

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Need HVAC Service?

Contact the experts at A & L Heating and Air.

Call us at 865-856-8797!


A & L Heating and Air proudly provides HVAC service to Alcoa, Friendsville, Greenback, Louisville, Loudon, Lenior City, Madisonville, Maryville, Vonore, Walland, TN, and the surrounding communities. Visit our service area page for more coverage details, call us at 865-856-8797, or request service online today.