UBCNews - Business - Hot Upstairs, Cold Downstairs: How Zoned HVAC Solves Problems Under SEER2

Episode Date: December 19, 2025

Have you ever noticed how your upstairs bedrooms feel like a sauna in the summer while your basement stays ice cold? Well, today we're talking about a solution that's becoming really popular in Alabama homes, especially with the new SEER2 efficiency standards. Engle Services City: Sylacauga Address: 40300 U.S. 280 Website: https://engleservicesheatingandair.com/

Have you ever noticed how your upstairs bedrooms feel like a sauna in the summer while your basement stays ice cold? Well, today we're talking about a solution that's becoming really popular in Alabama homes, especially with the new Sear-2 efficiency standards. Yeah, it's a problem I hear about constantly. Zoned HVAC systems are basically the answer to that temperature battle we all have in our homes. Instead of treating your entire house as one big zone, you divide it into multiple areas, each with its own thermostat. So you can actually set different temperatures for different rooms, that sounds like it would end a lot of arguments, or at least shift them to which zone gets which setting. Exactly. No more fighting over the thermostat. Zone systems give you customized temperature settings for each area.

If you want your bedroom cooler at night but keep the living room comfortable during the day, you can do that. The system uses dampers in your duct work to regulate airflow to specific areas. Um-hum, it makes sense. How does that actually save energy, though? Well, think about it this way. With a traditional system, you're heating or cooling your entire home, even if you're only using a couple of rooms. A zone system directs conditioned air only to the areas that need it. When that's done right, many homeowners do see lower heating and cooling bills, because they're not paying to condition unused spaces. 30%. That's significant, especially when energy costs keep climbing. I mean, if you're only, conditioning the spaces you're actually using, those savings add up fast.

Definitely. And there's another benefit people don't always think about. Because the system runs shorter heating cycles and isn't working as hard, it reduces wear and tear. That can extend the lifespan of your HVAC system overall. So you're basically getting more life out of your equipment while using less energy. Right. So you're getting better efficiency and potentially avoiding expensive repairs down the line. Now let's talk about the component. What actually makes up a zoning system? A typical setup includes three main parts, a central control panel, a thermostat for each zone, and motorized dampers installed in your ductwork.

The dampers are really the heart of it. They open and close to control airflow. You've also got damper actuators that move those dampers based on what the thermostats are telling them. So the control panel is basically coordinating everything, talking to all the thermostats and dampers? Exactly, and smart thermostats make it even better. You can control everything remotely, set schedules for different zones, and really optimize your energy use. Some systems let you create up to four zones, and when paired with programmable thermostats, the energy savings can vary quite a bit depending on your specific situation.

I see, interesting. I actually had a neighbor who installed one of these last summer. She told me her upstairs office used to be unbearable in the afternoon, but now she can keep it cool without freezing out the rest of the family downstairs. That's the perfect example. Those individual comfort zones really do make a difference in daily life. That point about optimizing energy use with smart thermostats sets up our next piece, how C or two standards are changing installations in Alabama.

But first, a quick word from our sponsor. If you're dealing with temperature imbalances in your central Alabama home, professional help is just a call away. Engel Services offers expert heating and cooling solutions throughout Birmingham and surrounding communities with prompt emergency response and in-home assessments. Their technicians can evaluate your home's comfort needs and perform repairs, replacements, and routine maintenance to keep your system running efficiently. Learn more at ingleservicesheating and air.com. Picking up on optimizing energy use, how are the new CIR2 standards affecting zone system installation?

here in Alabama. Great question. So, the new standards that took effect in 2023 set minimum efficiency requirements that vary by unit size. For units smaller than 45,000 BTU, you're looking at 14.3-Seer 2, and for larger units at 45,000 BTU or more,

it's 13.8 SEAR 2. When you're installing a zone system now, your equipment needs to meet those thresholds. And are there incentives for going even higher than the minimum? Absolutely. Alabama power offers rebates for heat pumps with an energy efficiency rating of 20-Seer or 18-Seer 2 or higher. So if you're investing in a zoned system, it's worth looking at those higher efficiency options to get some money back and maximize

your long-term savings. Um-hum, good to know. What about cost? I imagine adding zones isn't exactly cheap. It varies quite a bit. Adding zoning is usually a significant upgrade. and most projects run into the thousands of dollars once you factor in design and duct work. Costs depend on how your existing system is set up, how many zones you want, and whether you're going with ducted or duckless equipment. That's why we always recommend a written quote for your specific home instead of relying on generic online ranges.

So it's an investment, but when you factor in those energy savings over time, it can pay for itself. Right. And there's another potential advantage people mention, air quality improvements. Because you're not constantly circulating air through every space, there can be less movement of dust and allergens. That said, regular maintenance and proper filtration are still essential to really get those benefits. That's a benefit I hadn't thought about. Now, what are some common problems homeowners run into

with these systems? The usual suspects are uneven temperatures, thermostat malfunctions, and damper problems. Sometimes a faulty zone control board can cause one or more zones to stop heating or cooling properly. Regular maintenance helps catch these issues early. What kind of maintenance are we talking about? Basic DIY steps include checking your thermostats to make sure they're working correctly, inspecting dampers to see if they're opening and closing and changing your air filters regularly. If you notice persistent issues, though, it's best to call in a professional. Make sense, and I assume you can retrofit these systems into older homes? You can, yeah, zoned systems can be added to existing HVAC setups, though it often requires some modifications

to your ductwork. Homes with multiple stories or large windows tend to benefit the most because those features create natural temperature variations. So to everyone listening in Alabama dealing with hot upstairs rooms and freezing basements, there's definitely a solution that addresses both comfort and efficiency. And with the new CER II standards, you're also meeting regulatory requirements while potentially qualifying for rebates. Exactly. I actually had a client last year who was skeptical at first about the upfront cost. But after one Alabama summer with her new zoned system, she told me she wished she'd done it

years earlier. The difference in comfort was that noticeable. That's the kind of real-world difference we're talking about. When you think about how much time we spend in our homes, having that level of control over your comfort is pretty valuable. You know, it's one of those. upgrades that you notice every single day. And the technology keeps getting better.

With smart controls and remote access, you can adjust your zones from anywhere. If you're coming home early, you can cool down just the rooms you'll be using without wasting energy on empty spaces. That's convenience and efficiency working together. So if you're a homeowner in Central Alabama and you're tired of battling temperature imbalances, zoned HVAC systems offer a practical path forward, especially under these new efficiency standards. Thanks for breaking all this down today. My pleasure. It's a topic that really makes a difference for family as trying to stay comfortable year-round.