A HVAC technician checks an air conditioner


A-1 United Heating, Air, & Electrical is a reliable provider of prompt and reputable furnace repair in Gretna. We service both residential and commercial HVAC systems, ensuring your home and business stay warm and comfortable during the cold winter months.

In addition to fixing furnaces, A-1 United also repairs ductless mini-split systems, heat pumps, and garage heaters. With our team’s knowledgeable technicians and commitment to customer satisfaction, you will stay warm and cozy with A-1 United all winter long. If you are looking to upgrade, A-1 United also offers furnace installation in Gretna.

Do not put your furnace problems on the back burner! With our annual Advantage membership, you can get priority appointments, new equipment, free basic filter replacement, free routine maintenance, no repair fees, no parts fees, no diagnostic fees, and no trip fees. Give us a call today to learn more: 402-593-7500. We offer residential furnace repair and commercial furnace repair. Give us a call today at 402-593-7500 to schedule your appointment with us!

A HVAC contractor works on a furnace.


Your furnace will not start, or it is hard to turn on. If it will not start, it is time to call a professional. However, it is also a bad sign when a furnace is slow to turn on—even if it does eventually start up. If this occurs, it is important for a technician to diagnose and repair the underlying problem.

Strange noises and unpleasant smells are coming from your furnace. Your furnace should not bang, squeak, rattle, or grind. It also should not produce any unpleasant smells. If you notice concerning noises or unpleasant smells coming from your furnace, it is time to call A-1 United 402-593-7500 for your furnace repair and filter replacement.

Your home energy bills suddenly increased for no reason. A sudden rise in your energy bills is a sign that your furnace is not operating efficiently, leading to wasted energy and higher bills. This could be a sign that you need furnace repair or that your heating system is failing, and you need a furnace replacement. Give A-1 United a call today for a free estimate: 402-593-7500!

Avoid Repairs with Routine Furnace Maintenance

When it comes to your HVAC system, a little prevention goes a long way. By scheduling regular furnace maintenance in Gretna with A-1 United, you can ensure your heating system stays in tip-top shape and avoid unnecessary breakdowns. Give us a call today to schedule your routine furnace maintenance: 402-593-7500!

Our experienced technicians will clean your furnace, adjust air flow for proper temperature control, and identify any potential problems. Then A-1 United will perform any necessary repairs to optimize your furnace’s performance.

Scheduling regular furnace maintenance is a proactive approach that not only helps catch small problems before they become big, costly repairs but it also extends the life span of your furnace. Plus, it helps improve energy efficiency, which can lead to utility bills!

To make regular system maintenance easy and affordable, A-1 United offers a membership program. This membership provides maintenance for your heating and cooling systems, no diagnostic fees, and priority appointments. Our Advantage Membership gives you everything our basic membership provides plus new equipment, free basic filter replacements, no repair or parts fees, and no trip fees! Call 402-593-7500 today to learn more, become a member, and start saving with A-1 United Heating, Air, and Electrical!


A-1 United Heating, Air, and Electrical has been known for quality and reliable furnace repair in Gretna and the Omaha Metro area for almost 50 years. We offer fast, friendly, and reliable service which is why A-1 United is the HVAC company Gretna homeowners can depend on! We are always here to help! Contact A-1 United today at 402-593-7500!


Richard Hayes


Rich started his HVAC career in 2000. His experience is in the repair and maintenance of commercial and residential HVAC units, with some time as an installation technician. In 2015 he joined the A-1 United team as a service technician, and in 2017 he became the A-1 United Service Manager. Rich is fully licensed, EPA, NATE, and Unlimited Masters license. He exerts a great deal of effort into ensuring his technicians can provide our customers with reliable and quality service with continued education and training.

A1 United truck


Great job by all. They were careful of the landscape replacing the A/C unit. Inside the heating system was replaced and the fit and finish was great. Explained the operation of everything. They came back two weeks later and checked out the operation of the systems plus installation. The tech was here over an hour checking out everything. New system is quiet. This is a company that care about its customer. We highly recommend A-1.