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Curtis
You know, you got people coming in and out of those buildings all day. So those doors pretty, the most part staying open or open a good amount of the time and that's where you're getting the losses. Especially that cold conditioned air is really valuable and losing that is just going to really ramp up those energy bills. So the biggest savings is the ROI simply on just maintaining building temperatures and keeping that conditioned air. That benefit with electrification, as more things become electric and we move, move away from gas powered equipment, electricity is just going to become more expensive. The demand on the grid is going to become a lot higher. Those energy bills or that roi, however you want to look at it, it's going to be a lot more expensive. Cool the buildings. So the ROI is going to happen a lot quicker and the savings in the long run is going to be a lot greater. Very little power usage for a pretty drastic energy savings.
Turch Blissett
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Joshua Crouch
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Curtis
help you grow your business.
Krista
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Turch Blissett
Hello everyone out there in podcast world. Hope you're having a wonderful day. You're listening to or watching the service Business Mastery podcast. I'm, I am one of your hosts, Turch Blissett, sitting virtually next to my co host Joshua Crouch. And we have Curtis from Mars today on the show. Curtis is like an alien today from Mars.
Curtis
Yeah.
Joshua Crouch
I thought we just went, I thought we just went around the moon. I didn't think we went to Mars already and pulled someone back. Is this what aliens look like?
Turch Blissett
Yeah, I like it. I like it.
Curtis
Yeah. It's funny, when I first came to Mars and I was telling people at my old job like, hey, you know, I'm gonna, gonna, gonna go to Mars to start working. You know, half of them were like I didn't know you were, like, in a space program. That's. That's pretty cool, man. And at some point it's like a little bit cooler. I'll just kind of roll with that for a little bit. But.
Turch Blissett
Yeah, that's funny.
Joshua Crouch
That's awesome.
Turch Blissett
So we're gonna talk a little bit about air curtains. So if you are in the commercial space, you know what they are. Commercial H vac space, you know what they are. You've, you've seen them. If you're not in the commercial space and you've ever gone into a convenience store and you've opened the door up and you've had that burst of air rush down over your head, this is, that's kind of what we're going to be talking a little bit about today.
Joshua Crouch
But we're going to talk a little curtain is. Thanks for.
Curtis
Yeah, yeah. You don't even need me.
Joshua Crouch
I literally told Curtis, for the listeners. I told her before, I'm like, this is great. I'm going to learn something completely new because I never did a commercial H vac. It was always residential. And I'm like, I have no idea what an air curtain is. But now that makes sense because when you walk into like some of the convenience store, like Home Depots and especially here is really hot, you always feel that air in between the door and stuff. So that makes sense. Now I know what it is. Now I can look and be like, oh, I know what that is.
Curtis
That's exactly right. That's exactly right. Yeah, it's mainly, I guess, just a, just a brief overview. I mean, tersh, you did your homework, man, so good job. That's, that's the general gist of what we're doing. But, but yeah, I do tell people
Joshua Crouch
he's been in the H Vac industry a long time, so once in a while he has to use Claude to sound smart. Otherwise, otherwise we're going to be discredited really fast.
Turch Blissett
I have worked on so many air curtains in my career. Like, I, I can do them on blindfolded and I know exactly when I come up, when I walk up to it, and I know what location I'm at. Like, I can tell you how disgusting it's going to be. The dog places, the dog daycare, the doggy daycares. Oh, my gosh. Like, we have to clean them like once a month.
Curtis
I. I can imagine. Yeah. Yeah. And we, we always, you know, we can do like, filters and things like that as well for the dirty environments. But, but yeah, I mean, really Just to kind of reiterate what you said, you know, we're really, it's, I, I, I like to use two main benefits of air curtains. And then there's a ton of like, sub benefits. I'll call one of those. But it's really, it's, it's temperature control. So like thermal separation and then flying inset control. That's actually how they started. A lot of people just know them as fly fans. Right? That's, that was like the first name for them. And then as they kind of got more, you know, the technology improved and we did more R and D on them. All we, all we do is air curtains. So all of our efforts go to, you know, improving air curtains. You know, we kind of came up with these, with these additional benefits as well. So we use them in cold storage. We actually have, you know, we call them clean air technology. So we can put UV bulbs in them. We have HEPA filters. You know, it helps, you know, control or prevent dust, dirt, pathogens from getting in, buildings, wildfires. It can prevent smoke from getting in. So there's a lot of other benefits. Really. Just the main idea of what we're doing, it's, it's a column or a controlled stream of air over an opening to separate two environments. Makes sense. Really interesting.
Joshua Crouch
Like, so is that, that is what I'm thinking about. So like if I go in a home view because they have like two
Curtis
sets of doors, so the first door
Joshua Crouch
opens, obviously you got the heat outside and then you have like this, you feel like a rush. Like all of a sudden it's like, it's totally different air temperature. And then you go into the store and obviously you probably have your normal, you know, units that cool the building from the roof. Is that, am I understanding that correct?
Curtis
Exactly right? Yeah, yeah. And, and Josh, maybe. So I, I'm kind of getting there. Maybe you might talk to me like I'm a dumb with this as much. But, but, but no, what I was going to say was, you know, the, a lot of complaints are when I tell people that that's what we do. They're like, oh, that's the thing that when I walk in, it blows all my, it blows my hair around. So I'm like, yeah, that's, I don't have that issue.
Turch Blissett
Yeah, we don't have that problem.
Curtis
I'm kind of getting there too, though.
Joshua Crouch
We do know it's cold though. We can, there's no protection, so.
Curtis
That's right. That's right.
Turch Blissett
Yeah. So what, what financially, what's the benefits of, of doing that for those who don't know.
Curtis
Yeah, yeah. So there's, there's a few ways to look at it. I would say first and foremost the, the biggest roi, and we do have an ROI calculator on our, our website, which those of you that are interested in that kind of thing can go and check out is the energy savings. Right. So, so the idea there is, you know, if we're able to protect these openings, especially in high traffic environments. Right. Like you said, like A Home Depot, a 7 11, you know, you got people coming in and out of those buildings all day. So those doors are for, you know, pretty the most part staying open or open a good amount of the time. And that's where you're getting the losses. Especially you know, like you said, Trish, you're in the Savannah area. So where it's, where it's really hot and humid, that cold conditioned air is really valuable and losing that is just going to really ramp up those energy bills. So the biggest savings is, is the ROI simply on just maintaining building temperatures and keeping that conditioned air or you know, conversely, warm air if you're in a cold, cold area, climate inside the building. And then I would almost kind of compound that benefit with electrification. I'm sure you guys are aware of that too. So that's, that's really big in California. I think that's kind of growing across the country too. But it's like, you know, as, as more things become electric and we move away from, from gas powered equipment, electricity is just going to become more expensive. The demand on the grid is going to become a lot higher. So those energy bills or that roi, you know, however you want to look at it, it's going to be a lot more expensive to cool the buildings. So the ROI is going to happen a lot quicker and the savings in the long run is going to be a lot greater. The other analogy I like to say is, you know, if, if you're running one of our, you know, standard commercial units called the Low Pro, that's, that's typically over the customer entry doors, that runs off the same amount of power as like a light bulb in a parking lot. So if you factor, you just turn off a light bulb in the parking lot and you're just running the air curtain which turns on and off with a door switch. So that's not even running all the time anyway. Again, it's a very litter, very little power usage for pretty drastic energy savings.
Turch Blissett
Yeah, I, I agree with that. And also the bugs because like Here you have sand nats and you have mosquitoes and everything else. And so keeping them out of the, the condition space is very important. And then, yeah, a lot of times, like, I'm, I'm gonna use Home Depot because Josh has mentioned it like 12, 000 times already in this episode. But there's that one door in the contractor side. I know Josh, you haven't ever been there because you don't really need to be working on anything at Home Depot from Home Depot. But the contractor's door always gets left open and people are like, all this conditioned air is going to just escape right out. But what they don't realize is that air curtain is really doing a good job of, of making it. So it's like an invisible wall there.
Curtis
Absolutely. Yeah. And I would, I would almost say the kind of on that same note too, is, is, you know, a big application for us is cold storage. And it's funny, man. I, I. A couple months ago, you know, I was talking with a restaurant owner and we just, we had met up at, at his restaurant, and we're talking and the delivery guy's coming in, right? And they're, they're delivering the produce or whatever into the cold storage box. And, you know, we're talking and it's like he keeps kind of like looking over at him and I'm like, oh, you know, I finally asked him after like 15 minutes. Everything okay? He's like, yeah. You know, he's like, what pisses me off and is these delivery guys come in and all they do is they just prop the door open to the cold storage room and they're going back and forth with the door open. He's like, that's costing me money, man. Like, it's, it's Frustra. And it was just a really good example of, you know, you put an air curtain there and it really just helps solves those issues. And like I said, it's a lot faster roi when you got even colder temperatures versus just ambient temperatures in the two. So.
Turch Blissett
And not only that, a lot of people don't realize you prop those doors open and it starts freezing up the coil and then, then it turns into, you know, a solid block of ice because of, you've left the door propped open for an hour or 45 minutes or whatever you're, you're doing. I see it all the time at like, we'll work on like a Sonic. Are you, do you have Sonics over there?
Curtis
We do, yeah.
Turch Blissett
Yeah. And the delivery guys will do that or they'll they'll move things from one freezer to the other, like from the freezer to the refrigerator. And both of them are propped open. And they have the little curtains there, the little r. The plastic curtains, but half of them are missing because people have ripped them off and stuff. And so then I go in there, they're like, yeah, it won't stop freezing up. I'm like, you have the door. You. The door's been propped open since I've been here. Like, of course it's going to freeze up. And then it costs even more money because they had to pay me to come thaw it out or fix it and. And determine whether or not it was an actual issue or somebody left the door open.
Curtis
Yeah, it's. It's a great alternative, I like to say, two to strip curtains, because they don't get. You know, they're contactless. Right. So they don't get dirty. A lot of times, like you said, search. It's like, I'll see. I'll go on some job sites and it's like they'll cut the middle strips out just so they can see through them. So it's like, okay, well, what's the point of having them if you're just going to cut them off anyway? But, yeah, you're right. Condensation and frosting becomes an issue, too, and it almost becomes a safety issue. We'd have. We've had problems where more. In industrial settings, you know, forklifts slide around and crash, lose control as they're slipping over ice patches, and they lose, you know, product or whatever. But, you know, even on a smaller scale. Right. For mandor, people walking. Walking in and out, too, it's. It could be a hazard if you got ice and things like that, you know, building up on the floor, so.
Joshua Crouch
Oh, that's super interesting. Like, just. To me, it's just wild. Like, I just figured there was a rooftop unit that was. Had like a. I don't know, a section where it just blew air like crazy because you walk in, like, immediately, like, changes the temperature. And it feels so good when you walk in, when it's 110 out. Like, it's been here this last week.
Curtis
Yeah.
Joshua Crouch
With.
Turch Blissett
Yeah.
Joshua Crouch
You know, so we're talking commercial applications. Is. Is. Are there residential applications for this or.
Curtis
Yeah, yeah. So I would say it's not as popular currently, but I definitely. I mean, the benefits are all the same. Right. So, you know, energy savings in a commercial building, maybe on a different scale, but it's the same kind of concept as it would be in a home as well or flying insight control too. Like, like you said, tersh. But we do, you know, actually I've seen a couple of good installs. Typically they're more like higher end residential type buildings, more for like backyard spaces. Yeah. So like I've seen like a couple where, you know, if they want to have more of like an open seating atmosphere between like the indoor kitchen area and then an outdoor patio, we'll see some of our more architectural units installed there. Or if they have like a, like a pergola type setup in the backyard. So like you imagine like an awning with, you know, a couple of the sides open or whatever. We've done some air current installations for those type of applications too. And they literally just put air curtains, you know, recessed or whatever kind of along that, the edges of that pergola. So when they're sitting out, you know, in their backyard enjoying the food, you know, they don't want to have to worry about the flying insects coming in, landing on the food while they're eating or while it's being, you know, sitting out on the tables. And then there's also, you know, obviously a temperature control benefit too if it's really hot or cold out.
Turch Blissett
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Joshua Crouch
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Curtis
Because.
Joshua Crouch
So one thing I know in my home, and it's. And it's because it gets so hot so quick here. We don't have a lot of insects, but we have a lot of flies and they are like flies. Well, okay. We don't have a lot of different varieties of bugs and insects. Pest control is really good here at
Curtis
killing all of them.
Joshua Crouch
But when it cut, like, because, like we have, we have like fly swatters all over the house because they get in as annoying as, because you sit down and eat and they're just flying all over the place. But like they come in through that, through one door because they're just like
Curtis
waiting for that door to open.
Joshua Crouch
It's like, oh, and they just come on.
Curtis
Oh, yeah.
Joshua Crouch
Well, how does it, how is it preventing insect, insects, flies, sand, nats, whatever. Have you. How is it preventing it from getting in the house? It would.
Curtis
Yeah, I guess. I don't. So I guess. And yeah, and maybe to, to specify, we, we like to say it's flying insect control. So we get that question. We actually get a few questions around that. You know, number one, can it control crawling insects? You know, it's, it's, it, it probably could help, but the units aren't necessarily rated for that. A lot of times we get asked, can it help from, from birds getting in. Unfortunately, we can't blow enough air. I can see that for commercial buildings.
Joshua Crouch
Like, I've seen birds flying around, ceilings and stuff like that. Actually, yeah, I saw what we were in. We were actually in California a couple, maybe a month ago for soccer and we were going to the airport and we saw a bird flying through the. I don't know how it got in the airport, but it was in there. It was flying around.
Curtis
Yeah, yeah. So we haven't, we haven't gotten there yet. But. But yeah, I guess to answer your question. Yeah. So really, again, it's that controlled stream of air to prevent the flying insects. Right. So it's almost like a large gust of wind for the flying insects. So I, you know, if you imagine, you know, a house fly, whatever's flying in, they're going to get hit with that stream of air. That's really the key of the air curtain. It's that stream of air, which, like you said, Tertia, it's almost like a wall or like a barrier. So it hits that and then the curtain effect kind of kicks in. Meaning, you know, it's not just flying into that stream of air and then tumbling around and getting thrown in the building. The idea is the curtain. It's gonna prevent it from coming in and then throw it back out on, on the side it came from. It's pretty much actually the same kind of concept with temperature control. It's just flying insects, you know, where obviously you just want a little more air to make sure you're. It's a physical object you're trying to prevent versus just, you know, thermodynamic.
Turch Blissett
So how long can they run, like if without them drastically shorten the lifespan?
Curtis
We have a lot of jobs where they're, they're running 24 7, so. And I guess that's a good point too. We, you know, we claim air curtains are, you know, roughly in ideal conditions, about 70, 80% effective. But I would say, you know, even a closed door is not 100% right, maybe 98% effective. So would it replace a door? I would say no. But a lot of people use them instead of a door and, and run it 247 if they don't actually need, you know, a true closed door. So like parking garages is one that comes to mind. Those are ones where it's like there's really no door there. Right. But they like to just have it constantly running and sometimes actually doesn't really shorten the life of the unit as much as you would think because, you know, typically. Right. If the unit's working with one of our switches which cycles the motor on and off as the doors opening and closing, that cycling or inrush of the current, there's arguably, you know, kind of counteracts just versus constantly running the unit, if that makes sense. The energy output, I guess, isn't really that much more drastic. The units constantly running.
Turch Blissett
So whenever you do you. I don't know if you even have this, and I should have probably asked you this before we started recording it, but do you have a pitch of any sort that you could give to the contractor as far as like a 60 second elevator pitch to the benefit of using this versus if they don't have anything at all?
Curtis
Absolutely, yeah. So I would say the elevator pitch version of, of the air curtains. The benefits crunching it down is we're keeping the bad stuff out of your building and the good stuff in. And we're Doing so with a, like I said, a controlled stream of air. So you know, like I said, there's a lot of things that can come into your building. I could list, ramble off all of those. I come to energy savings, you know, flying as a control. But the bottom line is, you know, these buildings are not becoming any cheaper. And you know, you want to make sure that indoor air quality is good. You want to make sure your H vac equipment is, is functioning properly and it's not getting dirty from the inside of the building. So air curtains can really be that tool to provide that layer of protection at the door openings which are typically the most vulnerable entry point into the buildings.
Joshua Crouch
Honestly, you're not, you're going to forgive my, my naive question here. Is it, is it easy to install, difficult to install? Like what does, what does that look like from a, from a con? You know, contractors listen to this and be like, oh, I could add that to my offerings because I maybe I do some light commercial and they go into buildings and they know right away buildings don't have this stuff. What would that, what does that process? I mean it probably varies by building and everything else. But is it something that's difficult to install or not?
Curtis
No, it's a good question. They're actually, they're super easy to install, especially the units that are above the man doors, which, which I would argue is kind of the bread and butter of what we do. We can do larger industrial applications too, and those are typically, you know, hang mounted by like threaded rods or something like that. But if we're just talking, you know, man door above the entry to a building, you know, for our most common units, for those applications, it's really just a back plate that you screw into the wall right above that, that door opening and then you literally just clip the unit on and that, that's pretty much it. And then, you know, if you've got a door switch, you would probably just mount that, you know, somewhere on the door frame that just screws on as well. But you know, it's a very, that might take a couple hours your first time, but once you kind of, you know, learn it after one or two, it's, it's a really simple process.
Turch Blissett
Oh yeah, I agree. It is a no brainer to, to be able to offer it. If people want to purchase the equipment, do they have to purchase it through their supply house or can they purchase it direct?
Curtis
Yeah, so typically we would sell through a local, local distributor or a rep of ours. Kind of just depends on the territory. You know, ob, obviously. Yeah. Those of you listening, if you're interested in using one, we do have, like, a Contact Us page on our website. It's just marsairmars a I r dot com. We get those emails and then we can get you in touch with the. With the correct person pretty easily.
Turch Blissett
Cool. Josh, you have any other questions?
Joshua Crouch
No, I think I asked all my dumb questions.
Turch Blissett
Curtis, we appreciate you coming and helping educate Josh, mainly, but. And our audience, everyone else listening to
Joshua Crouch
this is probably like, wow, that guy isn't idiot.
Curtis
No, I'm gonna go. I'm literally gonna go into.
Joshua Crouch
Oh, that's an air curtain.
Curtis
Yeah, that's the other thing, too, is it's. It's one of those things where once I. A lot of people, you know, when you say air curtain, they. They don't really know what it is or if that's what it's. It's called. And then it's like, right when I explain it, it's a weird name, right?
Joshua Crouch
Like, Aaron Curtain. It's like, that doesn't. It's like an oxymoron of a name because you're like, wait a minute.
Curtis
It's either a curtain or it's air.
Turch Blissett
Yeah.
Curtis
Yeah. But every. Every time I talk about it, then it's like, if I see that person again, they're like, you know, after you told me what that was, every time I go into a building, now I see it, and it's like, I never did before. So.
Joshua Crouch
Well, that's literally like, if you're thinking about a car you want to buy, all of a sudden you're like, I don't see those anywhere. And you start looking at. You're like, oh, they're everywhere. Like, you can't not see it. Then it's. It's so weird how our brain makes those connections. And it's like, now we see the thing everywhere.
Curtis
Yeah.
Joshua Crouch
And it's. It's wild.
Turch Blissett
Like, I've had to happen before.
Joshua Crouch
Like, oh, we just talked about that. Now I see. Now I see it, see it, see it. And you can't not see it. So.
Curtis
And then that's what I add to it, too. I say, well, if you see them now and you look up at it, hopefully it's going to be a. It's a Mars unit. That's. That's the next step of that. That activity there.
Turch Blissett
Absolutely. Cool. Curious. We appreciate you hanging out with us. If anybody has any questions at all, it's.
Curtis
Make sure you Visit their website, marzair.com. we also do trainings to the public to customers as well. So we do those webinars almost monthly. So yeah, I mean if, if you guys are wanting to learn more, we do we cover a wide variety of topics and we get good feedback on those. Those are really helpful. Reach out to us, you know, same spot on the website and we can, we can get you, you know on our mailing list. Make sure you're aware of those opportunities as well.
Turch Blissett
Sweet. We appreciate you buddy.
Curtis
Yeah, thank you guys. Appreciate your time. Take care. Thank you for listening to this episode of Service Business Mastery.
Joshua Crouch
Now that you are equipped with essential business advice from this impactful conversation, you
Curtis
are one step closer to becoming the successful owner of your dreams. If this episode has been helpful to your business journey, don't forget to subscribe to the show, leave a rating and share it with other owners as well.
Joshua Crouch
Visit Service Business Master to learn more.
Podcast: Service Business Mastery for Skilled Trades: HVAC, Plumbing & Electrical Home Service
Hosts: Tersh Blissett & Joshua Crouch
Guest: Curtis (Mars Air)
Date: May 27, 2026
This episode explores the practical and financial value of air curtains—devices commonly seen in commercial environments that create a controlled barrier of air over doorways. The discussion centers on how air curtains can help contractors and facility managers address key challenges: energy savings, temperature control, pest management, and even health and safety. Curtis from Mars Air shares both technical insights and hands-on knowledge about deploying air curtains in various settings, while the hosts provide relatable perspectives from the HVAC and property maintenance trenches.
“I have no idea what an air curtain is. But now that makes sense because when you walk into... like Home Depot and especially here [where] it is really hot, you always feel that air...” (02:57)
“The biggest ROI is simply on just maintaining building temperatures and keeping that conditioned air. That benefit with electrification… the savings in the long run is going to be a lot greater. Very little power usage for a pretty drastic energy savings.”
— Curtis (00:00 & 05:54)
“The dog daycares... Oh, my gosh. Like, we have to clean them like once a month.” (03:37)
“We’ve had problems where…forklifts slide around and crash, lose control as they’re slipping over ice patches…even on a smaller scale, right, for people walking in and out…” (10:46)
“Typically they're more like higher end residential type buildings, more for like backyard spaces…”
— Curtis (11:58)
“It's almost like a large gust of wind for the flying insects. ...the curtain effect kind of kicks in. ...It’s not just flying into that stream of air and tumbling around...the idea is...it’s going to prevent it from coming in and then throw it back out...”
— Curtis (16:09)
“We're keeping the bad stuff out of your building and the good stuff in. ...These buildings are not becoming any cheaper. …Air curtains can really be that tool to provide that layer of protection at the door openings which are typically the most vulnerable entry point into the buildings.”
— Curtis (18:31)
On Professional Exposure:
“I have worked on so many air curtains in my career. …I know what location I'm at. I can tell you how disgusting it's going to be.”
— Tersh Blissett (03:37)
On Learning Air Curtains by Name:
“Once I explain it, it's a weird name, right?... every time I talk about it, then it's like, if I see that person again... they're like, you know, after you told me what that was, every time I go into a building, now I see it, and it's like, I never did before.”
— Curtis (21:23)
On Discovering Air Curtains Everywhere:
“Well, that's literally like, if you're thinking about a car you want to buy, all of a sudden… you start looking at [them]... It's so weird how our brain makes those connections. …Now we see the thing everywhere.”
— Joshua Crouch (21:51)
This episode is a must-listen for contractors or managers looking to add value through energy efficiency, pest management, and smart building solutions. With practical advice, relatable stories, and actionable insights, the conversation demystifies air curtains and equips you to deliver real business benefits to your clients.