AC Repair in De Pere & Green Bay, WI

When your air conditioner stops keeping up with a Northeast Wisconsin summer, Hockers Home Services provides fast, accurate AC repair for De Pere, Green Bay, and the surrounding area. Whether your system is blowing warm air, frozen solid, or won’t turn on at all, our licensed technicians diagnose the actual problem, not just the symptom.

Need help now? Call (920) 659-0914 for same-day diagnostics.

Common AC Problems We Repair

• Air conditioner blowing warm air
• Weak airflow from vents
• Frozen evaporator coils
• Refrigerant leaks
• Thermostat malfunctions
• Electrical problems
• Drainage issues and condensate backups see our guide on AC drain pans if you’re seeing water pooling near your unit, or read about safe AC drain line care to avoid common DIY mistakes
• Frequent cycling
• Unusual noises
• Complete system failures

Early Warning Signs Worth Addressing Now

Cooling problems usually announce themselves before a full breakdown:

• Rising energy bills
• Uneven temperatures room to room
• Increased indoor humidity
• Longer cooling cycles
• Reduced airflow

Catching these early is almost always cheaper than waiting for a full system failure — and it extends the life of the unit you already have.

Why Is My Air Conditioner Blowing Warm Air?

The most common call we get. Usual causes:

• Refrigerant leaks — low refrigerant reduces the system’s ability to remove heat from your home
• Dirty air filters — restricted airflow forces the system to work harder for less cooling
• Thermostat issues — incorrect settings or a malfunctioning thermostat
• Frozen evaporator coils — ice buildup blocks airflow and cooling capacity
• Electrical failures — faulty components interrupting operation

Our technicians identify the root cause rather than treating the symptom, so the fix actually holds.

Why Air Conditioners Freeze Up

Ice on a cooling system in the middle of summer surprises most homeowners, but it’s one of the more common calls we get. Usual causes:

• Dirty air filters
• Blocked vents
• Low refrigerant
• Blower motor problems
• General airflow restrictions

A frozen system should always be evaluated by a professional before it’s run again — continuing to operate a frozen unit risks compressor damage, which turns a repair into a much more expensive replacement.

Signs You Need Professional AC Repair

Weak airflow — often a blower motor, ductwork, or filter issue.
High indoor humidity — your AC should be removing excess moisture; if it isn’t, something’s off.
Frequent cycling — usually thermostat-related, or a sign of an efficiency problem.
Strange noises — grinding, banging, rattling, or squealing point to a mechanical issue, not normal operation.
Rising utility bills — a struggling system uses more energy while delivering less comfort.

Our AC Repair Process

1. System inspection — a complete evaluation of your cooling system
2. Diagnostic testing — we isolate the actual root cause using professional tools, not guesswork
3. Upfront recommendations — you get a clear explanation and repair options before any work begins
4. Professional repair — completed with quality parts and proven techniques
5. Performance verification — we confirm proper cooling before we leave

Repair or Replace?

Repair usually makes sense if: the unit is relatively new, the problem is minor, the system is still efficient, and repairs have been infrequent.

Replacement is worth considering if: the system is over 12–15 years old, repair costs keep climbing, cooling performance stays inconsistent, or energy bills are rising significantly. If you’re leaning that direction, our AC installation page covers what a replacement looks like, including Manual J load calculations and brand options.

We give honest repair-vs-replace recommendations based on your system’s actual condition — not a sales script.

Prevent Repairs With Routine Maintenance

Many of the repairs above are avoidable. Our AC maintenance and tune-up service identifies developing issues, cleans critical components, verifies refrigerant levels, and catches small problems before they become breakdowns — ideally before the first heat wave of the season, not during it.

If a repair or replacement runs bigger than expected, financing through Ally is available, and our Zero Problems Plan membership ($20/month) includes seasonal A/C checks and a 10% discount on future repairs.

Licensed, Local, and Ready When You Need Us

Hockers has served De Pere, Green Bay, Ashwaubenon, Sturgeon Bay, and Wrightstown for over 45 years under Master Plumber License #1281350. We’re family-owned, licensed and insured, and focused on getting your cooling restored — not upselling you on the way there