Air Conditioning Installation in Wilmington, NC 28405

August 5, 2026

“The entire team is fantastic – sales (Kris) office (Heather) and installation team ( Eric and Jackson). Professional but friendly with good communication. Highly recommended.”

Thermostat 101: Basic Buyer’s Guide

July 31, 2026

Every team needs a leader. In the HVAC industry, your thermostat is the undisputed leader of the heating and cooling team. It signals your furnace and air conditioner (AC) when to turn on and off. Whenever your thermostat detects a temperature change different from the desired setting, it barks out a new directive to adjust…

3 AC Tips to Prevent a Breakdown During a Heat Wave

July 15, 2026

An air conditioner is your lifeline during a prolonged heat wave.  This life-saving comfort system is a necessity when temperatures soar and linger in , as they have under the heat dome that has scorched across . Risking an AC breakdown during extreme heat also risks your health. According to the National Weather Service, heat-related…

How to Cool the Upstairs of a Two-Story Home

June 30, 2026

To effectively cool the upstairs of a two-story home, consider installing a ductless mini split system for zoned comfort and targeted temperature control. These systems provide efficient cooling without overworking your central AC or needing to modify existing ductwork. Have you ever walked up your stairs and felt a noticeable difference in the air temperature…

How Can I Avoid a Plumbing Emergency in Wilmington?

June 15, 2026

Plumbing emergencies may seem like spontaneous events that happen without warning, but that’s not always the case. They typically start as minor issues that grow bigger over time. As the plumbing problem balloons, it offers clues about the nature of the impending emergency. A slow drip can become a gush of water. A sluggish drain…

How Indoor Air Quality Affects Allergies

May 31, 2026

Did you know the average American spends nearly 90 percent of their day indoors? That’s why it is increasingly important to ensure indoor air quality (IAQ) is clean and healthy. If your , home is facing air quality issues, you may be suffering from minor discomfort to significant allergy or health problems. Our team at…

Common Electrical Panel Problems

May 15, 2026

Your electrical panel is at the heart of your home’s infrastructure in , powering everything from appliances to smart devices. This silent workhorse is easy to overlook, but you cannot power your home without it. Like any critical home system or appliance, it can become outdated and incapable of doing its job efficiently. It may…

How a Whole-House Humidifier Keeps You Healthy

April 30, 2026

There are many advantages to adding a whole-house humidifier to your , home. Adding a humidifier can increase the comfort level in your home and lower your annual energy expenses. Proper humidity levels can allow you to maintain indoor comfort levels at a lower temperature which uses less energy for heating. At , our professionals…

What Is a Plumbing Inspection?

April 15, 2026

When was the last time you thought about your plumbing? If you’re like most , homeowners, it’s probably only when something goes wrong—a leaky faucet, a clogged drain, or worse, a burst pipe. But what if you could catch issues before they turned into emergencies? That’s where a plumbing inspection comes in! A professional plumbing…

Commercial HVAC Spring Cleaning

March 31, 2026

Spring is the perfect time to tune up your commercial heating, ventilation, and air conditioning (HVAC) system.  Why Spring for HVAC Cleaning? As your reliance on your heating system winds down, springtime provides a well-deserved break in the action for both your heating and cooling systems. Neither is overworked in the milder in-between weather here…

Need HVAC, Plumbing, and Electrical Service?

Contact the experts at O’Brien Service Company.

Call us at 910.799.6611 or click request service to book an appointment.