No, you shouldn’t pressure wash your outdoor AC unit. While pressure washing it with the shroud on might make the system look clean, it can actually leave lasting damage, leading to costly repairs.

Professional AC cleaning in Suffolk County is the best way to keep your air conditioner running this summer. Booking a seasonal tune-up in spring will ensure that your system is ready to go.

What’s Inside the Outdoor AC Unit?

The outdoor unit of your air conditioning system contains sensitive mechanical and electrical components, including:

• Compressor: The compressor is the heart of an air conditioner. It compresses refrigerant gas and pushes it through the system.
• Condenser Coil: Hot refrigerant gas moves through the condenser coil to release heat and turn into a high-pressure liquid. The coil is a network of tubes surrounded by metal fins. When this part gets dusty, dirty, or grimy, the system loses cooling capacity.
• Expansion Valve: This valve controls the flow of refrigerant.
• Fan: The fan circulates air over the coil to help dissipate heat and aid the refrigeration cycle.

In addition to these major components, there are also wires and electrical connections.

Why You Should Avoid Pressure Washing Your AC Unit

Pressure washing your outdoor AC unit could damage the exterior coating on the shroud. Even if you remove the shroud, high-pressure water jets could dislodge wires and electrical connections and damage sensitive seals. Some pressure washers are even strong enough to damage the fins on the condenser coil. In the worst-case scenario, this type of cleaning could short-circuit or permanently damage the system.

How Professional HVAC Contractors Clean Outdoor Units

A professional cleaning service typically follows a variation of these steps:

1. The technician powers down the system and disconnects the electricity and thermostat.
2. Debris is manually cleared from the shroud before disassembling the grille.
3. A dry brush removes loose dust from condenser fins.
4. A specialized foaming coil cleaner is used to lift dirt and surface oxidation.
5. Coils are rinsed with a gentle stream of water from the inside out. A careful technique ensures that dirt and debris are pushed away from the center of the unit.
6. Any bent fins are straightened with a fin comb. This ensures proper airflow and heat transfer.
7. The system is reassembled and thoroughly tested.

While the steps might seem simple, it’s the experience of the Suffolk County HVAC contractor that makes a difference here. Trained professionals know which components to avoid and how to safely clean the system without compromising its long-term durability.

Some HVAC warranties require a record of professional cleaning with a licensed contractor. This ensures that your system hasn’t been damaged by user error or improper cleaning techniques.

Call an Expert Team for Your AC Maintenance and Cleaning Needs

Every air conditioner in Suffolk County needs a pre-season tune-up and cleaning to ensure that it performs throughout the summer. Spring is the best time to book AC service.

Soundview HVAC offers detailed tune-ups, including cleaning of indoor and outdoor units, electrical and safety testing, lubrication, thermostat calibration, and general optimization. This service also includes proactive part replacement of worn components.

Don’t pressure wash your outdoor AC unit. Get a professional AC maintenance service with one of the best-rated HVAC contractors in Suffolk County. Book an appointment by calling 631-209-1744 today.