OLMO 4-Zone 21 SEER2 Mini Split Heat Pump (-13°F), WiFi, E-Star: 12.5 EER/9 HSPF (R410a)

Product Code: A51: 4 Zone (OLMO)
Rating: Be the first to write a review
Brand: OLMO
Product Condition: New
Units in Stock: 10

OLMO 4 Zone Mini Split Hyper Heat Pump AC

This OLMO ENERGY STAR 4 Zone Mini Split Package Includes: 

*(1) MULTI ZONE HEAT PUMP Outdoor Unit (-13F)

*(4) Wall Mount Indoor Units (with remotes and Wi-Fi)
*The outdoor and indoor units can be upgraded  via the dropdown boxes above.

OLMO Features Include:

Series Brochure
Outdoor Features Include:
 
˜Heats & Cools (-13F/14F)˜ 
OUTDOOR STANDARD FEATURES: • Variable Speed (Inverter) • Factory installed Base Pan Heater /PTC Heater • Low Voltage Controls • Auto-Restart function • Condenser High Temp Protection  • Anti-corrosive BLUE fin coating • Refrigerant leak detection  Self Troubleshooting Auto Defrost (Intelligent & Forced) Low Temp Heating & Cooling • 5Yr Compressor Warranty/2Yr Parts

  • Low Temperature Heating
    For when its cold outside, the heat output for this system will operate down to -13° F , making this a primary heat source and eliminating the need for a backup heat source for most climates.
  • Stepless Frequency Adjustment
    Precise control of the system maintains stable and constant room temperature while reducing sound level and saving energy.


(Click For Info):

OS-MSR18-230VO AHRI CUT SHEET
OS-MSR24-230VO AHRI CUT SHEET
OS-MSR36-230VO AHRI CUT SHEET
OS-MSR42-230VO  AHRI CUT SHEET


  

(Outdoor unit must be capable of running your indoor selections- see the allowed combinations)

*Allowed Combinations:

(1) Factory Warranty

(*Terms apply)
REGISTER ONLINE
OLMO Warranty/Support: 786-953-6706


*Indoor Units Can Be UPGRADED Via The Dropdown Boxes Above







Sierra Series Popular INDOOR Features
Indoor STANDARD FEATURES: • Independant Dehumidification • 24Hr Timer •  Modes: Turbo, Auto, Sleep, Eco • Display ON/OFF • UP-Down Auto Swing • Emergency Button • Anti-Cold Wind (PRE-HEAT) • Auto Restart Refrigerant leak detection Self Troubleshooting Louver Position Memory  • Follow Me Function (uses remotes sensor) • Healthy Filter  • WIFI Control (Home App) * 2Yr Parts Warranty


With Smart Connect Included, this unit can be easily controlled independently with the APP from wherever you are, bringing more comfort and convenience to your Multi-Zone system. Included is a remote control with features such as Sleep, Turbo, and Eco mode, as well as Multiple Fan Speeds, Timer, and Auto Swing Louvers.


⇓ See Related Items Below For More Accessories ⇓ 

OLMO is a company that specializes in air conditioning and heating products, offering a wide range of cooling and heating solutions, including ducted and ductless mini splits, Multi-positional Air Handlers, and Through The Wall systems. OLMO’s commitment to affordability and quality has made us a reliable choice for homeowners and businesses alike. Applying cutting-edge technology to provide steadfast solutions, has always been the main driving force behind our brand’s growth. We are consistently implementing leading market technology to create comfortable, energy-saving, reliable, and user-friendly equipment. With consumer satisfaction at the top of our priority list, we start by meeting demands right from the drawing board. First, innovative technologies are incorporated to ensure high efficiency and high SEER2 ratings with minimal noise levels. These ratings reflect both, effective operation, and energy-saving potential, making OLMO an intelligent choice for any space.

Outdoor INSTALLATION MANUAL


Bulk Buying Options
  • 2 up to 4 - $2,965.99 ex. tax - per item
  • 5 up to 10 - $2,865.99 ex. tax - per item

$3,165.99
$3,065.99 inc. tax

$3,065.99 ex. tax
? Tax based on United States.

Customer Reviews
(write review)
Cool Calm in the City Glow 5 product stars
"I added the OLMO 4-Zone Mini Split to my sun-soaked city home, where the walls practically shimmer by noon. Installation was quick one outdoor unit on the terrace, four slim indoor heads that blend right in. The real magic started when I turned it on: it tamed the afternoon heat without the usual blast of cold air, just a quiet, even calm. Now each room has its own rhythm my bright living space stays crisp while the bedrooms keep their cozy hush. The system feels like it learns the light, adjusting itself as the day fades. For a city home that never stops glowing, this OLMO keeps the comfort perfectly balanced." Gary Veasley - Wednesday, October 15, 2025
Me Time Review 5 product stars
"When my OLMO arrived, it didn t come with a red carpet but almost felt like it needed one. This powerhouse bundle included the outdoor hyper-heat unit, four discreet indoor units, remotes, and even Wi-Fi capabilities. Despite its heft, unpacking felt surprisingly doable until I tried lifting the outdoor unit alone. Prices compared to brands like Mitsubishi or Daikin felt justifiable given the performance, and needing no central ductwork was a bonus. If you're after a multi-room comfort solution that s quieter than your thoughts at 3 a.m., impressively efficient, and doesn t need to pretend it s fancy to perform it s your system." Dale Mayer - Thursday, August 28, 2025
Olmo Surprised Me 5 product stars
"I took a bit of a gamble going with the Olmo 4-Zone Mini Split instead of one of the big-name brands and I m glad I did. This thing runs like it s got something to prove. I ve got units in four separate spaces, and each one seems to have its own personality: responsive, quiet, and consistent. I didn t expect this level of precision from a system in this price range. The install wasn t overly complicated, and once it was in, it blended right into the space. The Olmo doesn t show off, and maybe that s why it works so well. It s not trying to be flashy it s just doing the job, quietly and effectively. No drama, no hot spots, no regrets." Paul B - Wednesday, July 9, 2025
My Home's New Superpower 5 product stars
"Our Olmo 4-Zone Mini Split just leveled up our home comfort. This thing is brilliant! I mean, four independent climate zones? Game. Changer. My bedroom stays cool, the kids' rooms are perfect, and the living area is just right no more fighting over one thermostat. It's shockingly quiet and incredibly efficient. No messy ducts, just sleek units that blend in. This Olmo system isn't just about AC or heat; it's about pure, personalized comfort. Honestly, if you want total climate control that saves energy and simplifies life, this is it. Best home upgrade in ages!" David Gould - Saturday, May 24, 2025
Peace, Quiet, and Perfect Temps 5 product stars
"I bought the Olmo 4 Zone Mini Split system because I wanted an efficient way to heat and cool multiple rooms in my home without having to rely on a central system. Each room gets to the right temperature quickly and quietly. The airflow is strong, but not overwhelming, and it maintains the temp pretty consistently. The inverter technology definitely helps with efficiency. the cost was more affordable than similar brands I looked at (like Mitsubishi or Daikin), and I didn t have to compromise on performance." Edgar Fisher - Wednesday, April 9, 2025
So, the Olmo 4-zone... 4 product stars
"The delivery. It arrived like a metal monolith, dropped off by a guy who looked like he'd wrestled a bear. Surprisingly effective. It's like having tiny oasis in each room. No more arguing about the thermostat. My partner can live in arctic conditions while I enjoy a balmy tropical climate. And now, I'm sitting here, sipping iced tea, basking in the glory of my perfectly zoned climate control, and thinking.."" Max A - Wednesday, March 26, 2025
I absolutely love 5 product stars
"Each of the four zones works really well. Whether it s cooling or heating, I can tailor the comfort for each room without affecting the others, which is perfect for a multi-zone setup. The noise level is very low, making it unobtrusive while running. It s been an overall positive experience, and I definitely recommend it to anyone looking for an energy-efficient and reliable mini-split system!" M. Jimenez - Wednesday, February 19, 2025
Much better than expected and no problems 5 product stars
"Product works well and was easy to install. Very efficient units. Most importantly the DIY installation saved me thousands on HVAC quotes. This unit heats and cools a 2,400 sq ft home and storage unit.." Felix K - Thursday, January 2, 2025
This is a great product! 5 product stars
"I installed two of these units in a rental house, completely replacing the gas boiler. The systems work perfectly, were easy to install and came with all needed major components. The units have been in use for about 5 months now without a problem. They are quiet and the tenants report that they work well. I will definitely be ordering again in the future." K. Cassell - Friday, November 22, 2024
Just installed this week! 5 product stars
"The unit was turned on for the 1st time and boy it was so quiet I literally had to make sure the fan was spinning outside. the unit and air handlers cool very quickly. I also tested the heating it worked superb. I wont be using this until summer time gets here honestly. that's my main purpose for purchasing it. Living in the deep south requires good A/C. Customer service is also top notch. I would recommend anyone to give them a try. THEY ROCK!" D. Taylor - Friday, September 20, 2024
Beautiful design, silence, great performance. 4 product stars
"I enjoyed installing my quad mini-split system as a home improvement project. super quiet, efficient, beautiful design, the romete control comes with batteries and a bunch of functions and modes. I am very happy with my purchase. I'll buy two more next year for another building. Thank you so much." Rhonda - Saturday, September 14, 2024
4 zone heat pump rated to -13F, and its energy star 5 product stars
"shipping was fast, installed easy - qualified for rebates, got federal tax credits!" Curtis Wright - Monday, August 19, 2024
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