Mitsubishi HVAC Service in Burlington

Ductless Mini Split Repair, Maintenance & Installation in Burlington, WI

Since 1978, H.J. Faust, Inc. has been the HVAC provider Burlington residents and businesses call when they want the job done right. With more than 20,000 clients served across southeastern Wisconsin, we bring that same depth of experience to every Mitsubishi mini split call, whether you need an urgent repair, a scheduled tune-up, or a new system installed. Our technicians are NATE-certified, fully licensed and insured, and complete a minimum of four training sessions per year to stay current on ductless HVAC systems and emerging equipment.

We offer 24/7 emergency service for heating and cooling calls, so a malfunctioning mini split doesn’t leave you uncomfortable overnight or through a weekend.

Call (262) 418-0700 to schedule Mitsubishi mini split service in Burlington.

Mitsubishi Mini Split Repair Services

Ductless systems run year-round and rely on precise refrigerant charge, clean coils, and healthy electrical components to deliver zoned comfort control. When something’s off, our NATE-certified technicians diagnose the root cause before recommending any repair. We don’t suggest more than your system actually needs.

Our Mitsubishi mini split repair services include:

• Refrigerant leak detection and repair
• Compressor and fan motor diagnostics
• Condensate drain line and pump service
• Electrical component repair
• Thermostat and remote control troubleshooting
• Coil cleaning and repair

We handle all of your home’s heating and cooling needs.

Warning Signs Your Mini Split Needs Attention

Catching a problem early can cost less than waiting until a system fails. 

Watch for any of these signals:

• Weak heating or cooling output: May point to a refrigerant leak, dirty coil, or failing compressor. It's not something that typically resolves on its own.
• Unusual noises: Grinding, squealing, rattling, or buzzing suggest motor bearing wear, loose components, or an electrical fault.
• Water dripping from the indoor unit: Often points to a clogged condensate drain line. Left unchecked, it can cause mold growth and water damage.
• Ice or frost on the coils: Signals restricted airflow or low refrigerant. The system may not complete a proper heating or cooling cycle.
• Musty or burning odors: Musty smells indicate mold or bacteria growth; a burning smell points to an overheating motor or electrical fault and warrants an immediate shutdown.
• Short cycling: Frequent on/off behavior accelerates component wear and indicates the system is struggling with an underlying problem.
• Unexplained energy bill spikes: When a mini split works harder to compensate for a fault, your utility costs can rise.
• Unresponsive controls: A remote or wall panel that stops responding may indicate a wiring issue or circuit board fault.

Mini Split Maintenance That Keeps Systems Running Efficiently

We recommend two mini split tune-ups per year: one in spring before cooling season and one in fall before heating season ramps up. Each visit gives our technicians a clear picture of how the system is performing and can catch small issues before they become expensive repairs.

A standard maintenance visit covers inspection of indoor and outdoor components, filter cleaning or replacement, condenser coil cleaning, a refrigerant level check, and an operational test in both heating and cooling modes.

For structured, year-round coverage, our Annual Maintenance Agreement includes both a furnace check-up and an air conditioner check-up, plus:

• Priority scheduling
• No overtime charges for after-hours service calls
• A 30-point inspection on every visit
• 10% discount on all parts and labor when repairs are needed

The no-overtime benefit removes one of the biggest friction points in emergency HVAC calls. You get the same rate regardless of when you need us.

What Sets H.J. Faust, Inc. Apart for Ductless HVAC in Burlington

Many HVAC companies can work on a mini split.

Here’s what backs every H.J. Faust, Inc. service call:

Internal Apprenticeship & Development Program
We develop our mechanics through our structured Internal Apprenticeship & Development Program, a multi-year curriculum that combines classroom instruction with hands-on field work under direct Senior Mechanic supervision. Every field and office employee also completes a minimum of four continuing training sessions per year, keeping our team current on technology and evolving system designs.

NATE Certification
Our technicians hold NATE certification, the nationally recognized standard for competency in heating, cooling, ventilation, and refrigeration. That credential means an objective third party has tested and confirmed the technical knowledge we apply on your system.

Verified Customer Rating
Hundreds of Google reviews have given us an Excellent rating. Customers consistently cite our promptness, clear communication, and thorough work. These are the same qualities we’ve been building on since 1978.

BBB Accreditation & Honest Guidance
We hold BBB accreditation and back it with a straightforward policy: every service call starts with a thorough inspection, and we recommend only what your system actually requires.

Schedule Mitsubishi Mini Split Service in Burlington

Whether you need a repair addressed today, a maintenance agreement to stay ahead of breakdowns, or a consultation on a new installation, we’re ready to help. You can explore your options with our mini split repair or our mini split maintenance services, or you can reach out directly to get on the schedule. We serve Burlington and the surrounding areas of Racine, Walworth, and Kenosha Counties.

Contact H.J. Faust, Inc. today to book your Mitsubishi mini split service appointment: (262) 418-0700. Our team is available around the clock for emergency calls and ready to book routine appointments at your convenience.