Split-screen image of a wall-mounted AC unit and external condenser, featuring the text: "Why Is My Upstairs So Hot Even When the AC Is On?"—highlighting issues like uneven cooling. Thermo Direct company logo is included.
June 1

Why Is My Upstairs So Hot Even When the AC Is On?

What to Know Upstairs rooms are normally slightly warmer because hot air rises. If your upstairs suddenly gets very hot, you may have an air… View Article Read More

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signs of a failing ac expansion valve
May 21

AC Not Cooling? How To Tell if Your AC Expansion Valve Is Going Bad

Expert Insights The AC expansion valve regulates refrigerant and supports optimum cooling performance. It’s important to recognize the signs that your AC expansion valve is… View Article Read More

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A split air conditioning unit on a wall with text: "Mini-Splits or central air—which cooling system makes more sense for you?" and the Thermo Direct logo.
May 18

Mini-Splits or Central Air: Which Cooling System Makes More Sense?

Quick Recap Mini split vs central air — the best choice of cooling system for your home depends on layout, ductwork, and which rooms need… View Article Read More

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Thermo Direct ad asks: Why is AC short cycling in Raleigh homes? Features images of an air conditioner and neighborhood houses.
May 5

Why Is My AC Short Cycling in Raleigh Homes?

Quick Recap AC short cycling occurs when your air conditioner starts and stops in rapid, incomplete cycles.  A dirty air filter is one of the… View Article Read More

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how to size an air conditioner
April 29

How To Choose the Right Size AC for Your Home

When the summer heat sets in, homeowners in Raleigh, NC, depend on their air conditioner to stay comfortable. However, your AC can only do its… View Article Read More

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Side-by-side outdoor units next to a house, illustrating the pros and cons of single-speed air conditioners versus variable-speed air conditioners for a comparison article.
March 17

The Pros and Cons of Single and Variable-speed Air Conditioners

Highlights Single-stage air conditioners run at one fixed speed, making them straightforward and affordable to install but less efficient for everyday comfort. Variable-speed ACs adjust… View Article Read More

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An air conditioning unit on a beach, decorated with a sunhat and beach balls, next to text promoting 20% savings on summer utility bills—beat the heat with an AC tune-up!.
March 16

Beat the Heat Early: Why an AC Tune-Up Saves You 20% on Summer Utility Bills

Quick Summary Air conditioners run longer and more frequently during the summer months, causing electricity usage and energy costs to climb. Professional AC tune-ups clean,… View Article Read More

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air conditioner’s running but not cooling home
September 2

Why Is My Air Conditioner Running But Not Cooling My Home?

North Carolina residents know the summer heat can be brutal. There’s nothing worse than coming in from a hot day, turning up the air conditioner,… View Article Read More

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signs your AC isn't dehumidifying
August 30

High Indoor Humidity? Don’t Blame the Weather — Check Your AC

Have you noticed areas of your home have high indoor humidity? Your air conditioner could be the culprit. Even though North Carolina is known for… View Article Read More

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signs of AC electrical issues
August 25

Essential Guide to AC Electrical Issues and How To Spot Them

Quick Recap AC electrical issues are common because most air conditioning systems rely on electricity to operate. Examples of common problems include faulty wiring, a… View Article Read More

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