What’s That Smell Coming From My AC?

May 15, 2026

As the temperatures begin to rise in , many homeowners are firing up their air conditioners (ACs) for the first time in months. But what if, instead of a refreshing blast of cool air, you’re hit with an unpleasant smell? If your AC is producing an unusual odor at startup, you’re not alone. This is…

What Does an HVAC Maintenance Inspection Include?

April 30, 2026

Oil changes keep your car running smoothly. The same goes for your heating, ventilation, and air conditioning (HVAC) system—routine maintenance is key to keeping your equipment operating safely and efficiently throughout the year.  An HVAC maintenance inspection isn’t just a quick look at your equipment—it’s a thorough checkup designed to catch small issues before they…

Spring Money-Saving Tips for Running Your AC

April 15, 2026

Everyone loves to save money, and it’s a good idea to review different aspects of your budget now and again to see if there are more opportunities you have missed in the past. Considering how to reduce your energy bills is always a great idea in the springtime. According to the US Department of Energy,…

Thermostat Settings: On vs. Auto

March 30, 2026

We all know the difference between a thermostat’s heating and cooling temperature settings—that’s the easy part. But what’s the difference between the On and Auto fan setting? How does this small setting impact your HVAC system’s performance and energy usage in your , home? While it might seem minor, choosing between On and Auto can…

Indoor Air Quality Accessories That Can Help Keep You Healthy

March 15, 2026

Most people, on average, spend nearly all their time indoors at work or at home. In fact, the US Environmental Protection Agency (EPA) reports this amount of time reaches upwards of 90 percent for most people. Add it all up, and you just can’t stress the importance of good indoor air quality (IAQ) enough. At…

How to Switch Your Heat Pump Between Seasons

February 28, 2026

One reason homeowners love heat pumps is that they function as an all-in-one heating and cooling unit. Instead of purchasing and maintaining a separate furnace and air conditioning system, you can simply transition your heat pump from heating to cooling and vice versa as the outdoor temperatures changes. Our team wants you to understand how…

How Your HVAC System Can Help You Sleep

February 15, 2026

The sound of a well-maintained heating, ventilation, and air conditioning (HVAC) system is like a lullaby for a good night’s sleep. If odd sounds, such as banging, squealing, or rattling, from your HVAC system are keeping you up at night, it is time to schedule maintenance and regain a peaceful nighttime environment in your ,…

How Does My Gas Furnace Work?

January 30, 2026

Our team at Hagler Heating & Cooling can help you save big bucks on your monthly utility bill by replacing your aging furnace.

The Basics of Winter Indoor Air Quality

January 15, 2026

In the winter, being snug as a bug in a rug in your home can be cozy, but it can also play havoc with your indoor air quality (IAQ) here in , creating some significant health problems. At , we recommend taking precautions to avoid the common issues associated with winter indoor air quality. Why…

How Your HVAC Equipment Protects Against Viruses

January 15, 2026

Did you ever start sneezing or coughing right after you entered a building or home? You can probably blame the poorly maintained indoor air quality.

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Call us at 334-835-8027!