Ductless Mini Split Repair

Mini Split Down? We Pull the Code First.

Ductless systems fail differently from ducted equipment, and they need to be read differently. Serving all of Montgomery County, MD.

10 Years in Business 20 Years Trade Experience Family-Owned Open Every Day, 8am to 7pm

What Mini Split Repair Covers

Ductless mini splits are all over Montgomery County now, in additions, finished basements, converted garages, sunrooms, and older homes that never had ductwork. They're efficient and they're quiet, and when one stops working the failure is rarely obvious from the outside, because most of the diagnosis lives in the error code and the boards.

The indoor head blinks a pattern or displays a code, and that code points to a specific circuit, sensor, or communication fault. Reading it correctly is most of the work. Property Renovators Home Services services ductless equipment across the county, with 10 years in business and 20 years of trade experience behind how it's approached, and we read the system instead of guessing at it.

What This Covers

  • Error code retrieval and interpretation on the indoor head and the outdoor unit
  • Communication faults between the indoor and outdoor units, including wiring and connection problems
  • Indoor blower wheel cleaning, which is a common cause of weak output and odor on ductless heads
  • Condensate drainage faults, including the condensate pumps many wall units rely on
  • Thermistor and sensor faults that cause a head to misread room temperature and behave oddly
  • Outdoor inverter board and compressor diagnosis
  • Refrigerant charge and line set inspection, including flare connections that were never torqued to spec at install
  • Multi zone systems where one head fails and the others keep running

Signs Your Mini Split Needs Service

  • The indoor unit is flashing a light pattern or showing a code on its display
  • One zone stopped working while the others are fine
  • Water dripping from the bottom of an indoor head, or a stain on the wall below it
  • A musty smell when the unit starts, which usually means the blower wheel and coil need cleaning
  • The head runs but output is weak compared with what it used to deliver
  • The outdoor unit runs briefly then shuts down and restarts

How We Work a Ductless Call

We pull the code first

Every manufacturer stores fault information differently. Getting the code, and knowing what that specific code means on that specific equipment, saves opening things that were never the problem.

We separate the head from the system

On a multi zone system, whether one head is faulty or the outdoor unit is failing to serve it changes the entire repair. We establish that before going further.

We check the things installers get wrong

A large share of ductless problems trace back to installation: flare connections, line set routing, drain slope, and undersized wiring. If that's what we find, we tell you plainly.

We repair and verify each affected zone

Every zone gets run and confirmed, not just the one that was reported.

Frequently Asked Questions

It's reporting a fault. The pattern maps to a specific code on that manufacturer's list, and the code points at a circuit, a sensor, or a communication problem. Write down the pattern and tell us when you call.
Almost always the blower wheel and the indoor coil. Ductless heads run cool and damp, and the wheel collects a biological film that produces the smell. It needs a proper cleaning not a spray, because a spray treats the odor and not the cause.
The condensate isn't draining. Either the drain line is blocked, the line lost its slope, or the condensate pump failed. It needs attention promptly because the water runs down inside the wall.
Not necessarily, and that's a good sign. A single dead zone often means that head, its sensor, or its communication wiring, while the outdoor unit is fine. We confirm which before recommending anything.
Yes, all seven days, 8am to 7pm. Call (301) 395-3831.
They can be repaired. Boards, sensors, fan motors, and drainage components are all serviceable. Replacement becomes the conversation when a compressor or an inverter board on an older unit fails and the part cost stops making sense.
All of Montgomery County, Maryland, including Gaithersburg, Rockville, Bethesda, Silver Spring, Germantown, and Potomac. We're based in Gaithersburg.

Ductless Mini Split Repair Across Montgomery County

We're based in Gaithersburg and cover the whole county. The heating and cooling side runs every day of the week, 8am to 7pm, Saturday included.

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Tell us about the job in your own words. Real people from our team read every request, the same people who show up and do the work. No bots, no call centers, no runaround.

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You tell us what is going onSend a few photos, attach a file, or just describe the job. Whatever is easiest for you.
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We reach out to understand itSomeone from our crew follows up, often a call or text, to get the full picture of the work.
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You get a clear written quoteOnce we understand the job, we put everything in writing before any work begins. No surprises.
10 YearsIn business
20 YearsTrade experience
5,700+Jobs completed
No pressure, ever. If we call, it is only to understand your project, never to sell you. Every job is backed by our 1-year guarantee.

Or just give us a call.

(301) 395-3831

Every day 8am-7pm, Saturday included

Real people. Real work.

No call centers, no middlemen.

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Google  ·  Housecall Pro  ·  Angi  ·  Gaithersburg, MD

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Diana Valle
April 2024

"Jacob is the best ever. He made my dream come true by installing my catwalk for my cat to the ceiling when no other contractor could handle the job. I was extremely impressed by his expertise and he is definitely someone you can trust. It's hard to come by professionals who are also kind and Jacob is just stellar. I even paid him extra because he did such an amazing job."

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Helene Davieaud
August 2020

"Trustable any day any hour. They will move mountains to help you. My favorite professional crew. I highly recommend this family company."

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Richard Bratcher
March 2022

"Mr. Jacob and the entire team was very pleasant and professional. I will recommend them to anyone looking for home improvement projects."

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Terrence Brown
October 2022

"Great project. Crew very professional and pleasure to work with. Quality service and outcome. I will use again."

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Gabe Ador
September 2025

"Good customer service and job well done."

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Valery Ceasar
June 2025

"Great service & excellent work."

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Diana Thompson
April 2025

"Great service."

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Valery Ceasar
August 2023

"Jacob Mora does excellent work & is very dependable & professional."

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Lourdes Castro
March 2022

"These workers are very reliable. I'm happy with their work, so friendly, you can depend upon them. I will use them again for future projects in our house."

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Mark H.
April 2023

"Jacob was pleasant to work with, understood the problem that needed to be solved, and expert at diagnosing and solving that problem. I would recommend him enthusiastically."

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Susana F.
August 2021

"Professional and thorough. I needed a dishwasher removed. Jacob explained the process and advised on how to work safely."

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Tom T.
September 2022

"Jacob and the guys were great to work with. Professional, on-time and took the time to do the job the right way. The finished job looked great and my family and I are very happy. I'll be recommending them to my friends and family."

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Larry L.
January 2022

"Professional and customer focused. I would hire them again."

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Duane Ceasar
June 2026

"Jacob is the best handyman money can buy. He's very professional, courteous and meticulous in doing the job he's been tasked to perform. He won't leave until he's completed the job to his and the customer's satisfaction. If you need any work done, call and ask for Jacob."

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