How Do I Maintain a Heat Pump During Heavy Snowfall?

AI Summary

• Heavy snowfall can impact heat pump performance by restricting airflow and increasing strain on outdoor components.

• Simple winter maintenance steps help protect efficiency, prevent breakdowns, and extend system lifespan.

• Pennsylvania and West Virginia winters make snow management especially important for heat pump reliability.

• Van Bremen’s Heat & Air provides professional heating, cooling, and maintenance services to keep heat pumps running all winter safely.

Heat pumps are built to handle cold weather, but heavy snowfall creates unique challenges that homeowners must manage carefully. Snow and ice buildup around the outdoor unit can reduce airflow, increase defrost cycles, and strain the system during peak winter demand. Without proper maintenance, even a high-quality heat pump may struggle to keep your home comfortable.

For homeowners focused on heating and cooling in Pennsylvania and West Virginia, learning how to maintain a heat pump during heavy snowfall is essential for safety, efficiency, and long-term performance. This guide explains common winter risks and the practical steps you can take to protect your system.

The Problem: Snow and Ice Can Disrupt Heat Pump Operation

During heavy snowfall, the outdoor heat pump unit is exposed to snow accumulation, freezing rain, drifting snow, and ice buildup. These conditions can interfere with normal operation.

Common winter-related heat pump issues include:

• Blocked airflow around the outdoor unit

• Ice buildup on coils and fan blades

• Increased defrost cycle frequency

• Reduced heating efficiency

• Unusual noises during operation

• System shutdowns for safety protection

  
  

When airflow is restricted, the system works harder and uses more energy to maintain indoor comfort.

The Solution: Proper Winter Heat Pump Maintenance Practices

Maintaining a heat pump during heavy snowfall involves routine checks, safe snow removal, and professional service when needed. These steps help ensure reliable heating throughout winter.

Keep the Outdoor Unit Clear of Snow

The most important winter maintenance task is keeping the outdoor unit clear.

Homeowners should:

• Remove snow from all sides of the unit

• Maintain at least 18 to 24 inches of clearance

• Clear snow from the top and vents

• Remove snowdrifts caused by wind

  
  

Blocked airflow prevents the system from absorbing heat from outdoor air, reducing efficiency.

Avoid Covering the Heat Pump With Tarps or Plastic

It may seem helpful to cover the unit, but doing so can trap moisture and cause freezing.

Instead:

• Leave the unit uncovered

• Allow proper airflow at all times

• Use manufacturer-approved snow hoods only if recommended

  
  

Heat pumps are designed to operate outdoors and do not require full covers.

Remove Ice Carefully and Safely

Ice buildup can occur after freezing rain or repeated defrost cycles. Removing ice incorrectly can damage components.

Safe ice removal tips:

• Turn off the system before removing ice

• Use warm water if recommended

• Never chip ice with sharp tools

• Avoid striking the fan or coil

  
  

If ice buildup persists, professional inspection may be needed.

Monitor Defrost Cycles During Snowfall

Defrost cycles are normal during winter, especially in snowy and humid conditions. However, excessive defrosting may indicate airflow or sensor issues.

Normal signs include:

• Steam rising from the unit

• Temporary fan stoppage

• Short periods of cooler indoor air

  
  

If defrost cycles seem constant or ineffective, schedule service.

Keep the Area Around the Unit Well Drained

Melting snow creates water that can refreeze around the unit. Poor drainage increases ice formation.

Improve drainage by:

• Clearing ice dams around the base

• Ensuring proper slope away from the unit

• Removing packed snow near the foundation

  
  

Good drainage reduces refreezing and protects components.

Check the Unit After Snowstorms

After major snow events, inspect the heat pump once it is safe to do so.

Look for:

• Snow blocking vents

• Bent fan blades

• Ice on coils

• Unusual noises

  
  

Early detection helps prevent bigger problems.

Change Filters More Frequently in Winter

Indoor air filters play a critical role during winter heating. Dirty filters restrict airflow and force the system to work harder.

Best practices include:

• Checking filters monthly

• Replacing filters every 1 to 3 months

• Using manufacturer-recommended filter types

  
  

Clean filters support proper airflow and reduce strain during cold weather.

Keep Vents and Registers Clear Indoors

Indoor airflow affects outdoor performance. Blocked vents reduce system efficiency.

Make sure:

• Furniture does not block vents

• Rugs do not cover floor registers

• All vents remain open

  
  

Balanced airflow helps the heat pump operate efficiently.

Inspect Electrical Connections and Thermostat Settings

Snow and cold temperatures can expose existing electrical issues.

Homeowners should:

• Watch for flickering displays

• Ensure thermostat batteries are fresh

• Confirm correct heating mode settings

  
  

If issues appear, professional service is recommended.

Schedule Professional Winter Maintenance

Regular maintenance is essential for heat pump performance during snowy winters. A professional winter service visit includes:

• Inspecting coils and fan operation

• Checking defrost controls and sensors

• Verifying refrigerant levels

• Inspecting electrical connections

• Testing system safety controls

  
  

Professional heating, cooling, and maintenance services help ensure your system can handle winter stress.

Snow Placement Matters When Shoveling

Be mindful of where snow is placed during driveway or walkway clearing.

Avoid:

• Piling snow near the heat pump

• Blocking airflow with shoveled snow

• Creating snowbanks that drift toward the unit

  
  

Strategic snow placement reduces ongoing maintenance needs.

Signs You Need Professional Help Immediately

Contact a professional if you notice:

• Thick ice that does not melt after defrost

• Loud grinding or rattling noises

• No heat during snowfall

• Frequent system shutdowns

• Error codes on the thermostat

  
  

Prompt service prevents damage and restores safe operation.

People Also Ask

Can a heat pump run during a snowstorm?

Yes. Heat pumps are designed to operate during snow as long as airflow is not blocked.

Is snow on top of the unit a problem?

Yes. Snow should be removed to prevent airflow restriction.

Should I turn off my heat pump during heavy snow?

No. Only turn it off briefly for safe snow or ice removal if needed.

FAQ Section

Q: How often should I check my heat pump during snowstorms?

A: After each major snowfall or drifting event.

Q: Can ice damage my heat pump?

A: Prolonged ice buildup can damage components if not addressed.

Q: Does heavy snow reduce heat pump efficiency?

A: Yes, if airflow is restricted or defrost cycles increase excessively.

Q: Should I install a snow stand or riser?

A: In heavy snow regions, elevating the unit may help prevent snow accumulation.

Protect Your Heat Pump All Winter Long

Heavy snowfall does not have to compromise your heat pump’s performance. With proper snow management, regular inspections, and professional maintenance, your system can deliver reliable heat throughout the winter season.

Van Bremen’s Heat & Air proudly supports homeowners with dependable heating and cooling in Pennsylvania and West Virginia. Our expert heating, cooling, and maintenance services ensure your heat pump stays efficient, safe, and reliable even during harsh winter weather.

Call (814) 483-1735 or fill out the online form to schedule winter heat pump maintenance or get expert guidance on protecting your system during heavy snowfall.