If you’re shopping for new heating and air conditioning equipment, you may run into a term that doesn’t come up often: package unit. It sounds like it could mean almost anything, so it’s worth taking a minute to explain exactly what it is and why a contractor might bring it up for your home.

Quick Answer: A package HVAC unit is a single outdoor cabinet that houses all of your heating and cooling equipment in one place, usually on a concrete slab or a rooftop. A split system, which is what most Greensboro homes use, keeps the furnace or air handler inside the house and only the condenser outside. Package units show up most often in homes without a basement, attic, or mechanical closet to hold an indoor unit, such as mobile homes and slab-on-grade construction.

A Package Unit Puts Everything in One Outdoor Cabinet

A package unit is self-contained, meaning your heating and cooling equipment lives together in a single outdoor cabinet instead of being split between an indoor and outdoor component. That cabinet gets installed on a concrete slab near the home or, less commonly for residential properties, up on a rooftop.

This setup exists for one main reason: some homes simply don’t have anywhere to put an indoor air handler. If there’s no basement, no attic access built for HVAC equipment, and no mechanical closet, a package unit lets you skip that problem entirely by keeping everything outside.

How a Package Unit Compares to a Traditional Split System

A split system separates your equipment into two locations, and that separation is exactly what makes it the more common choice in this area. The outdoor unit, the condenser, handles heat exchange with the outside air. The indoor unit, the air handler or furnace, conditions the air and pushes it through your ductwork. Refrigerant lines and electrical wiring run between the two, tying them together into one system.

Keeping the air handler indoors matters more here than homeowners often realize. Greensboro summers bring heavy humidity, and indoor equipment doesn’t have to fight that moisture directly the way outdoor equipment does. Winter cold snaps are easier on components that are sitting inside a conditioned space rather than exposed to freezing air overnight. That’s a big part of why split systems are the default recommendation for most homes in this area, and why experienced technicians only reach for a package unit when the layout of the home actually calls for it.

Why Package Units Show Up in Certain Homes

Package units aren’t a downgrade. They solve a specific problem, and that problem usually comes down to available space. A mobile home rarely has the structural design to fit an indoor air handler and a proper duct run. Slab-on-grade homes without a basement or crawlspace face the same limitation. In both cases, a package unit gives the home a full heating and cooling system without needing to carve out indoor mechanical space that was never part of the original design.

The Tradeoffs Worth Understanding

Every package unit sits outside year-round, and that constant exposure is the single biggest factor in how long the system lasts and how well it performs. Heat, humidity, freezing temperatures, and the heavy pollen season this region sees every spring all land directly on equipment that a split system would keep protected indoors. Technicians who service package units regularly see coil corrosion and drainage issues show up sooner than they would on comparable indoor equipment, simply because there’s no roof over the cabinet.

Efficiency tends to run a step behind split systems too. It’s not that package units are poorly built. It’s that consolidating everything into one outdoor cabinet creates some inherent limitations that a separated system doesn’t have to work around.

None of this means a package unit is the wrong call. When a split system genuinely isn’t practical for a home, a package unit still delivers reliable comfort. It just comes with a maintenance rhythm that shouldn’t be skipped. Homeowners who stay current on seasonal service tend to get much closer to the equipment’s full expected lifespan than homeowners who treat it like a set-and-forget appliance.

How Berico Can Help

Whatever your home’s layout calls for, a traditional split system, a ductless mini-split, or a package unit, Berico can walk you through what actually makes sense for your space before any equipment goes in the ground. We’ve been part of this community since 1924, and that long history means we’ve seen how different home types across Greensboro, Burlington, and Eden hold up over the years with each type of system.

“The homes that get the longest life out of a package unit are almost always the ones on a regular maintenance schedule,” says Darrel Honeycutt, Expert HVAC Technician at Berico. “Skipping a season or two of service is where we start seeing coil damage that could have been caught early.”

If you’re planning a new HVAC installation and aren’t sure which setup fits your home, reach out and we’ll help you figure it out.

Key Takeaways

Most homes in the Greensboro area use a split system, with the air handler indoors and the condenser outside, and that’s usually the better choice when there’s a place to put it. Package units earn their place in homes without a basement, attic, or mechanical closet, most often mobile homes and slab-on-grade construction. The tradeoff is that everything sits outside year-round, which shortens component lifespan and trims efficiency compared to a split system, but a well-maintained package unit still keeps a home comfortable through every season.

People Also Ask

Are package HVAC units good for North Carolina’s climate?

They can work well, but the heat, humidity, and pollen this region sees each year put more stress on outdoor equipment than a split system would face. A package unit installed here needs a consistent maintenance schedule to hold up against those conditions, especially through the humid summer months.

Can a package unit be converted to a split system?

In some cases, yes, but it depends on whether the home has a place to put an indoor air handler and whether ductwork can be rerouted to support it. This isn’t a simple swap, and it usually requires a full evaluation of the home’s mechanical space before a contractor can say whether it’s practical.

Do package units cost more to maintain than split systems?

Package units generally need more frequent attention because the equipment is exposed to the weather year-round. Coils, drainage, and electrical connections tend to need earlier inspection than the same components would on an indoor air handler, so staying current on seasonal service matters more with this setup.

How long do package HVAC units last?

Lifespan varies by usage and maintenance, but constant outdoor exposure typically means package units don’t last quite as long as comparable split systems. Homes that keep up with regular seasonal service tend to get much closer to the equipment’s full expected lifespan than homes that skip maintenance.

Is a package unit noisier than a split system?

Both systems produce similar operating noise, but a package unit’s noise source sits entirely outside the home since all the equipment, including the blower, is in one outdoor cabinet. Depending on where it’s placed, that can actually mean less noise indoors compared to a split system with an air handler in a closet or attic near living space.

What size home is a package unit best suited for?

Package units are sized the same way any HVAC system is sized, based on square footage, insulation, layout, and local climate, not a specific home size category. The decision to use a package unit instead of a split system comes down to available mechanical space, not the size of the home itself.

Can a package unit be installed on a roof for a residential home?

Rooftop placement is more common for commercial buildings than homes, but it’s occasionally used for additions or homes where ground placement isn’t practical. Most residential package units sit on a concrete slab near the home rather than on the roof.

Do package units work for both heating and cooling?

Yes. A package unit can be built to handle heating and cooling in one cabinet, similar to how a split system pairs a furnace or heat pump with an air conditioner. The equipment inside the cabinet varies depending on whether the unit uses gas heat, electric heat, or a heat pump.

Why don’t more homes in Greensboro use package units?

Most homes here have a basement, attic, or mechanical closet that makes a split system the more practical and typically longer-lasting option. Package units become the better fit mainly when that indoor mechanical space simply doesn’t exist, which is less common in traditional home construction than in mobile homes or slab-on-grade builds.

Is a ductless mini-split a type of package unit?

No. A ductless mini-split is its own category, using an outdoor condenser connected to one or more small indoor units without traditional ductwork. A package unit still relies on a duct system to distribute air, it just houses all the equipment outdoors instead of splitting it between indoor and outdoor components.

If you’re shopping for new heating and cooling equipment, you’re going to run into two ratings that trip up almost every homeowner at first: AFUE and SEER. They sound similar, they both measure efficiency, and it’s easy to assume they mean roughly the same thing. They don’t, and knowing the difference can change which upgrade actually saves you the most money.

Quick Answer: AFUE (Annual Fuel Utilization Efficiency) measures how efficiently a furnace or boiler converts fuel into heat. SEER (Seasonal Energy Efficiency Ratio) measures how efficiently an air conditioner or heat pump cools your home over a season. AFUE applies to heating equipment, SEER applies to cooling equipment, and in the Greensboro area, SEER usually has a bigger impact on your utility bills since your Greensboro AC system works harder for more months of the year than your furnace does.

What AFUE Measures and Why It Matters

AFUE tells you how much of the fuel your furnace burns actually turns into heat for your home, expressed as a percentage. A furnace with a 95% AFUE converts 95% of its fuel into usable heat, with the remaining 5% lost through exhaust and normal combustion inefficiency.

That lost energy is the part homeowners often don’t think about until it’s explained plainly: you’re paying for 100% of the fuel, but an older or lower-efficiency furnace might only turn 80% of it into heat you actually feel. The other 20% goes straight out the flue. That gap is why furnace age and AFUE rating matter more than most people expect when a heating bill feels higher than it should.

What Counts as a Good AFUE Rating

An AFUE in the 80% range is considered standard efficiency and is still common in older furnaces. Getting into the 90% range and higher puts you into high-efficiency territory, where you’re losing far less energy to combustion waste and typically seeing a noticeable drop in monthly heating costs. Furnaces at this level usually also use a different combustion design that traps more heat before it escapes, which is part of why the jump from 80% to 95% AFUE feels bigger in practice than the ten to fifteen point difference suggests.

What SEER Measures and Why It Matters

SEER measures how much cooling your air conditioner or heat pump produces over an entire season compared to the electricity it consumes. The higher the SEER rating, the less electricity your system needs to keep your home comfortable, and the lower your cooling costs tend to run.

Older systems that have been running for a decade or more often carry a SEER rating around 10, which is well below what’s even sold today. Current federal efficiency standards mean any new unit you buy will carry a SEER rating of at least 15, and homeowners who want to go further can find high-efficiency systems ranging from 18 up to 25.

Why a Higher SEER Rating Doesn’t Automatically Mean Lower Bills

This is where a lot of homeowners get surprised. A high-SEER system installed with the wrong ductwork, incorrect refrigerant charge, or a unit that’s oversized for the home won’t deliver anywhere close to its rated efficiency. Technicians who install a lot of high-efficiency equipment see this constantly: the equipment gets the upgrade, but the installation details get overlooked, and the homeowner never sees the savings they expected. The rating on the box only reflects what the system is capable of under ideal conditions. Getting there depends just as much on correct sizing and a clean installation as it does on the equipment itself.

Why SEER Usually Matters More Than AFUE Here

In the Greensboro area, air conditioners and heat pumps run for a longer stretch of the year than furnaces do, simply because of how the seasons break down locally. Summers here are long, humid, and demanding on cooling equipment, while winters bring shorter stretches of real heating need, punctuated by occasional cold snaps rather than months of sustained cold. That workload difference is exactly why, if you can only afford to upgrade one system this year, most homeowners in this area see a faster return from improving their SEER rating than their AFUE rating.

That doesn’t mean AFUE stops mattering. A furnace working through a January cold snap on an 80% AFUE rating is still burning more fuel than it needs to. It just means the math usually favors the cooling side first in this particular climate.

How Berico Can Help

Are you looking for HVAC contractors you can trust to explain what these ratings actually mean for your home, not just recite the numbers? Berico’s technicians handle air conditioner repair, furnace evaluations, and full system replacements, and they’ll walk you through what rating makes sense for your budget and your home’s specific setup before recommending anything.

“The AFUE or SEER number on the equipment only tells half the story,” says Darrel Honeycutt, Expert HVAC Technician at Berico. “We’ve walked into homes with a beautiful 20 SEER system that was never sized right for the house, and the homeowner was still paying high bills. Getting the rating right only matters if the installation backs it up.”

Key Takeaways

AFUE measures heating efficiency, SEER measures cooling efficiency, and both matter, but they solve different problems. In the Greensboro area, cooling equipment typically runs longer and harder over the course of a year, which usually makes SEER the priority if you’re deciding where to invest first. Either way, the rating on the equipment is only part of the story. Correct sizing and a clean installation are what actually determine whether you see the efficiency you paid for on your utility bill.

People Also Ask

What is a good AFUE rating for a furnace?

An AFUE of 90% or higher is considered high efficiency and typically delivers noticeably lower heating costs compared to standard efficiency furnaces in the 80% range. Furnaces below 80% AFUE are increasingly rare in new equipment and generally indicate an older, less efficient system.

What is a good SEER rating for an air conditioner?

Since federal efficiency standards require a minimum SEER of 15 for new equipment, anything you buy today already starts at a reasonably efficient baseline. High-efficiency systems in the 18 to 25 range offer further savings, particularly in climates where cooling equipment runs for a large part of the year.

Does a higher SEER rating always lower my electric bill?

Not automatically. A high-SEER system only delivers its rated efficiency when it’s sized correctly for the home and installed properly, including correct refrigerant charge and ductwork. A high-efficiency unit installed poorly can perform closer to a lower-rated system in real-world use.

Should I prioritize AFUE or SEER when upgrading my HVAC system?

It depends on your climate and which system is older or less efficient. In areas with long, demanding cooling seasons like Greensboro, SEER often has the bigger impact on your bills, but a furnace with a low AFUE rating working through cold snaps is still worth addressing.

How often should I replace my furnace or air conditioner based on efficiency?

There’s no fixed timeline, but a heating or cooling system beyond 12 to 15 years old is often operating well below the AFUE or SEER rating of equipment sold today. A comfort evaluation can show whether your current system’s efficiency loss justifies replacing it now versus waiting.

Can I improve my SEER rating without replacing my whole system?

Not in the way most homeowners hope. SEER is a rating tied to the specific equipment, so you can’t meaningfully raise it without replacing the unit. However, correcting issues like poor duct sealing, low refrigerant charge, or a dirty coil can help your existing system perform closer to its original rated efficiency.

Do heat pumps have both an AFUE and a SEER rating?

Heat pumps are rated with SEER for cooling performance and a separate rating called HSPF for heating performance, rather than AFUE, since they use electricity and refrigerant instead of burning fuel. AFUE only applies to combustion-based heating equipment like furnaces and boilers.

Is it worth paying more for a higher SEER or AFUE rating upfront?

It depends on how long you plan to stay in the home and how much your current system is costing you to run. Homeowners who plan to stay long term and have an older, inefficient system typically recover the higher upfront cost through lower utility bills over time, though the payoff timeline varies by home and usage.

Why did my new high-efficiency system not lower my bills as much as expected?

This usually points back to installation rather than the equipment itself. Incorrect sizing, duct leakage, or an improper refrigerant charge can all prevent a high-SEER or high-AFUE system from performing at its rated efficiency, even though the equipment itself is capable of it.

What’s the minimum SEER rating allowed for new air conditioners?

Current federal efficiency standards require a minimum SEER rating of 15 for new residential air conditioning equipment. Older systems installed before these standards took effect may carry a much lower rating and are typically far less efficient by comparison.

Water around the base of a water heater is most commonly caused by a loose plumbing connection, a faulty drain valve, a pressure relief valve discharge, condensation, or internal tank corrosion, and the urgency of the fix depends on which cause is responsible. It’s an alarming sight to see water pooling around the base of your water heater. You may need to call a local plumber to solve this problem, but first, why is it happening, and what fix might be required?

The age of your water heater is one of the most important early factors to consider. Traditional tank water heaters typically last 8 to 12 years. If your unit is within that range or beyond it, water at the base shifts the conversation quickly from repair to replacement. If the heater is newer, the cause is more likely a valve or connection issue that can be addressed without replacing the unit.

The Reasons Why You May Have Water Around Your Water Heater

Water around the base of your water heater can have many causes. Some of these issues can be relatively minor and require only a quick fix, while others indicate that your water heater is nearing the end of its useful life.

• Loose plumbing connections. Water supply lines that are connected to the heater can loosen over time and allow small leaks to develop. It may require nothing more than tightening up the connection to stop the leak and resolve this issue.
• Faulty drain valve. There is typically a drain valve located near the bottom of a water heater. If that valve gets damaged, wears out, or just isn’t fully closed, it can also allow water to accumulate on the floor.
• Pressure relief valve problems. This is a critical safety feature on all water heaters, but it can also be the source of a leak. As pressure builds in the tank, you might notice that small drips of water begin to sneak out of the valve.
• Condensation buildup. Sometimes, the water won’t be coming from the inside of the tank at all. If it is particularly humid, you might simply have condensation building up on the tank and then dripping down onto the floor. Greensboro’s summer humidity levels are high enough that this is a genuine seasonal cause, particularly in basements and utility rooms with limited airflow. If condensation on pipes and appliances is a recurring issue in your home, Berico’s guide to fixing home humidity problems covers the HVAC-based solutions that address the root cause.
• Internal corrosion. This is one of the most serious issues that you can face. An older water heater may have started to rust internally, leading to leaks or cracks in the tank itself.

What Does a Leaking Pressure Relief Valve Mean?

A leaking temperature and pressure relief valve, commonly called a T&P valve, can indicate that the water inside the tank has reached a dangerously high temperature or pressure level, which is a safety warning that requires immediate professional attention rather than a simple repair.

The T&P valve is a required safety component on every water heater. Its job is to release water if temperature or pressure inside the tank exceeds safe limits. A properly functioning T&P valve that opens occasionally under normal conditions will discharge water through a dedicated discharge pipe that routes to a floor drain or to the exterior of the home. If water is pooling at the base of the heater and the discharge pipe appears to be the source, that is a more urgent situation than a loose supply line connection.

A T&P valve that is constantly dripping or discharging may indicate that the valve itself has failed and needs to be replaced, or it may indicate that temperature or pressure inside the tank is consistently running too high. Either scenario warrants a call to a licensed plumber. Running a water heater with a faulty or bypassed T&P valve is a serious safety hazard.

What Is an Anode Rod and How Does It Relate to Corrosion?

An anode rod is a sacrificial metal rod inside the water heater tank that attracts the corrosive elements in the water supply, protecting the tank walls from rust, and when the rod is fully depleted, internal corrosion accelerates, and the tank itself begins to deteriorate.

Most tank water heaters have a magnesium or aluminum anode rod suspended inside the tank. As long as the rod is intact, it corrodes preferentially instead of the tank lining. Once the rod is depleted, the tank walls become vulnerable. This is why internal corrosion is more common in older heaters and in situations where the anode rod has never been inspected or replaced.

Greensboro’s municipal water supply is classified as soft to mildly hard, typically measuring around 2 to 3 grains per gallon. While that is not aggressively hard water, it still contains dissolved minerals that gradually break down anode rod material over time. A water heater that has been in service for 8 or more years without an anode rod inspection may have a depleted rod, leaving the tank exposed to internal rust. Rusty or discolored hot water from your taps is often the first visible sign that this process is underway.

“In Greensboro, the calls we get most often on leaking water heaters fall into two categories: either it’s a valve issue on a heater that still has years of life left, or it’s a tank that’s been slowly corroding and finally gave way. The T&P valve situation is the one that concerns me most when a homeowner describes it as ‘just a small drip.’ That valve is there for a reason, and water coming out of it is the heater telling you something is wrong with the pressure or temperature inside. That is not something to watch and wait on.”

Adam Rhodes ,Expert Plumber, Berico

When Should You Turn Off the Water and Call Immediately?

Turn off the cold water supply to the water heater and call a plumber immediately if you see water actively flowing from the T&P valve discharge pipe, if the tank is visibly cracked or bulging, if the water has a rust color or metallic smell, or if the floor around the heater is saturated.

To shut off the water supply to the heater, locate the cold water inlet valve on the pipe leading into the top of the unit and turn it clockwise until it stops. For a gas water heater, set the thermostat dial to the pilot position rather than turning the gas off entirely. For an electric unit, switch off the dedicated circuit breaker. These steps will stop the leak from worsening while you wait for a plumber to arrive.

Berico’s licensed plumbers serve Greensboro and surrounding areas and are available for emergency plumbing calls. Do not attempt to bypass or remove a T&P valve to stop a discharge. The valve is a safety device, and its removal creates a serious hazard.

Should You Repair or Replace a Leaking Water Heater?

Whether to repair or replace a leaking water heater depends primarily on the age of the unit, the source of the leak, and whether internal corrosion is present, with tank heaters older than 10 years and any heater with a cracked or corroded tank almost always being better candidates for replacement than repair.

A loose supply line or a faulty drain valve on a heater that is 5 years old is almost always worth repairing. The heater has significant remaining service life, and the repair is straightforward. A tank heater that is 12 years old with rust-colored water and water pooling at the base is almost certainly beyond cost-effective repair. The internal corrosion that has reached the point of visible leakage is progressive, and replacing one leaking seam does not address the underlying deterioration throughout the tank.

A licensed plumber can assess which category your situation falls into during a diagnostic visit. Berico’s plumbers handle water heater repair and water heater replacement for all types, including gas, electric, and tankless systems, and can evaluate your specific unit to give you a clear recommendation.

Never Ignore a Leaking Water Heater

Even a minor water heater leak that appears stable will almost always worsen over time, and the consequences of ignoring it range from water damage and mold growth to a complete tank failure that leaves the home without hot water entirely.

Even if the problem doesn’t seem like a big deal at the moment, you certainly don’t want to ignore it. Minor leaks are likely to get worse over time, and you could soon be dealing with water damage or mold growth in your home. You may even be headed for complete equipment failure and a hot water outage until you can have the unit repaired or replaced. Always take this situation seriously and get help with the problem before things get worse.

Is a Tankless Water Heater Worth Considering?

A leaking or failing tank water heater is one of the most practical moments to consider switching to a tankless water heater, which heats water on demand rather than maintaining a stored tank, eliminating the risk of tank corrosion and reducing standby energy loss.

Tankless water heaters do not store water, which means there is no tank to corrode, crack, or leak at the base. For Greensboro homeowners who have dealt with repeated water heater issues or who are facing their second replacement in 10 to 15 years, the switch to a tankless system addresses the root of the problem rather than repeating the same replacement cycle.

Tankless systems also last significantly longer than tank heaters. Where a traditional tank heater has an 8 to 12 year lifespan, a tankless unit with proper maintenance can last up to 20 years. The upfront investment is higher, but the extended service life and reduced energy consumption, tankless systems eliminate the standby heat loss that occurs when a tank keeps water warm around the clock and change the long-term math considerably.

Get Help from Berico’s Greensboro Plumbers Today

It’s possible that you will be able to have your current water heater repaired to solve this issue, or you might opt for a water heater replacement. Potentially, you’ll use this opportunity to switch to a tankless water heater. Whatever the case, your first move should be to call Berico to explain the problem and schedule an appointment. Professional help is just a phone call away.

Berico has served Greensboro and surrounding areas since 1924. The team’s licensed plumbers handle water heater diagnostics, repair, and replacement for all types of systems, and can assess whether your current unit is worth repairing or whether the situation is the right moment to upgrade to a more efficient, longer-lasting solution.

Frequently Asked Questions About Water Around a Water Heater

Is it dangerous if water is leaking from the bottom of my water heater?

It can be, depending on the source. A loose drain valve or supply line connection is less immediately dangerous but should still be addressed promptly. Water coming from the T&P valve discharge pipe is a more serious warning, as it may indicate dangerously high pressure or temperature inside the tank. Any active leak that is worsening warrants a same-day call to a licensed plumber.

Can a leaking water heater be repaired?

Yes, in many cases. Leaks from loose connections, a faulty drain valve, or a failed T&P valve can often be repaired without replacing the entire unit, provided the tank itself is structurally sound and within its useful service life. A tank that is leaking due to internal corrosion or a crack in the tank wall cannot be repaired cost-effectively and should be replaced.

How long does a water heater typically last?

Traditional tank water heaters typically last 8 to 12 years with normal use and maintenance. Tankless water heaters can last up to 20 years with proper maintenance. A water heater that is approaching or past the 10-year mark and showing signs of corrosion or leaking is generally a better candidate for replacement than repair.

What causes a water heater to corrode internally?

Internal water heater corrosion is primarily caused by the depletion of the anode rod, a sacrificial metal component inside the tank that attracts corrosive elements in the water supply. Once the anode rod is fully consumed, the tank walls become vulnerable to rust. Regular inspection and replacement of the anode rod is the most effective preventive measure against internal tank corrosion.