Air Conditioning Articles

How Does Your Central AC Cool Your Home?

May 15, 2026

Unless you’re an HVAC professional—like the team at —you probably don’t spend much time thinking about your air conditioner or how it works. Yet, according to the U.S. Energy Information Administration, about 90% of households in the U.S. use air conditioning. So while you may just care that it keeps your home or business…

3 Major Spring AC Maintenance Tips

March 15, 2026

Spring is finally arriving! The days are getting longer, the flowers are blooming, and you’re probably already thinking about dusting off the patio furniture or tackling that messy garage. But there’s one essential part of your home that also needs some TLC this season—your air conditioning (AC) system! Just like you wouldn’t…

5 Reasons Why Regular HVAC Maintenance Is Essential

July 31, 2025

According to the U.S. DOE, a simple task such as changing the air filter on your HVAC system can improve efficiency by up to 15 percent.

What’s That Smell Coming From My AC at Startup?

June 30, 2025

As the temperatures begin to rise in Dover, many homeowners are firing up their air conditioners for the first time in months. But what if, instead of a refreshing blast of cool air, you’re hit with an unpleasant smell?

Spring Money-Saving Tips

April 30, 2025

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.

Spring AC Maintenance Tips

March 14, 2025

Spring is finally arriving in Delaware! The days are getting longer, the flowers are blooming, and you’re probably already thinking about dusting off the patio furniture or tackling that messy garage.

Does an AC Kill Mold?

September 18, 2024

Your air conditioner (AC) can do several things––keep your Deleware home’s indoor air cooler than outdoor temperatures, help to keep indoor airborne allergens at bay, and help keep your home’s humidity low. But one thing it can’t do is kill mold.

How Your AC Helps With Allergies

August 30, 2024

According to the Centers for Disease Control and Prevention (CDC), as many as 60 million Americans have allergic rhinitis part-time or year-round.

Air Conditioning Basics–Did You Know?

August 15, 2024

Today’s air conditioner (AC) is based on a prototype invented in 1902 by Willis Carrier, an engineer from Buffalo, New York. Unlike earlier forms of cooling, Carrier’s model controlled the temperature by removing heat and humidity from the air.  Below are some air conditioning basics.

Why Is My AC Blowing Hot Air?

July 31, 2024

It’s a hot day outdoors, and you are inside your Lewes home waiting for your air conditioning (AC) system to kick into full gear.  But instead of cool air coming out of your vents, all you feel is hot air!  Why is my AC blowing hot air?

5 Ways to Save Money on Your AC and Summer Energy Bill

July 15, 2024

The US Department of Energy (DOE) says air conditioning can account for 35 to 40 percent of your utility bill here in Delaware. At Messina Plumbing, Electric & HVAC, we take energy efficiency seriously.

3 Signs It’s Time for a New AC

May 7, 2024

Should you repair or replace? That’s always the big question when it comes to major home systems like air conditioning (AC).