Understanding How Frost-Free Spigots Work

April 23, 2026

Winter weather doesn’t ease in gently in cold climates — and one of the most overlooked casualties of freezing temperatures is something most homeowners never think about: the outdoor spigot. A traditional outdoor faucet left exposed to freezing temperatures can turn into a burst pipe waiting to happen. Water trapped inside the fixture expands as it freezes, building pressure that cracks pipes, damages exterior walls, and causes the kind of water intrusion that leads to mold, structural damage, and expensive remediation. Frost-free spigots solve this problem through smart engineering — and for homeowners in

Continue Reading
company icon

What Causes Power Surges (It’s Not Just Lightning)

April 7, 2026

You might think a power surge occurs only during a lightning storm, but your home likely experiences small surges every single day. Every time your air conditioner kicks on, or your refrigerator cycles, your system needs to adjust to the shifting demand, which is likely to create tiny spikes in voltage.These surges may seem harmless, but they can wear down your electronics and appliances over time. If you have ever wondered what causes power surges, or why devices fail unexpectedly, the answer often lies inside your house. We’ll explain the most common causes of power surges and tell you how

Continue Reading
company icon

Why Pipes Burst Even When It’s Not Freezing

April 7, 2026

You most likely associate burst pipes with freezing temperatures, but pipes burst, not freeze, more often than you realize. While cold weather remains a well-known cause, it represents only one piece of a larger picture. Pipes face pressure, wear, and environmental stress throughout the year, which can lead to unexpected failures even in mild conditions. Understanding why pipes burst outside of winter helps you take a more proactive approach to protecting your plumbing system. High Water Pressure and Sudden Pressure Changes High water pressure puts constant stress on your plumbing system. While strong pressure may

Continue Reading
company icon

Thermostat Replacement: Why a New Thermostat Doesn’t Always Fix HVAC Problems

April 6, 2026

As a homeowner, you probably assume that the thermostat causes the problem when your HVAC system stops working correctly. It often becomes the first thing blamed because it controls the system and sits right in plain view. When temperatures feel off or the system does not respond, replacing the thermostat seems like the fastest solution. However, thermostat replacement does not always fix the issue. In many cases, the thermostat is not working because something else in the system has failed or stopped responding. The thermostat only sends signals, so if your HVAC is not responding to thermostat

Continue Reading
company icon

HVAC Short Cycling: How It Damages Your System and Spikes Your Bill

March 18, 2026

A typical HVAC cycle usually runs for 10-20 minutes, depending on the current weather conditions. Cycles that run shorter than this are problematic for numerous reasons, including potential equipment damage and worse efficiency. Short cycles can occur with both heating and cooling setups. Here is what you need to know about the risks associated with short cycling. If you suspect your system is not running properly, professional HVAC service in Greenville, WI can help diagnose the issue before it leads to larger repairs. Why Short Cycles Even Happen Short cycles occur because something is preventing your

Continue Reading
company icon

Pipe Corrosion vs Pipe Leaks: How to Spot Early Warning Signs

March 14, 2026

Plumbing problems rarely begin with a burst pipe. They tend to develop quietly, often hidden behind walls or under floors until you notice a stain, a drop in pressure, or water where it does not belong. Understanding whether you are dealing with pipe corrosion or an active leak helps you respond appropriately from the start. At Black-Haak, in Greenville, WI, we help homeowners identify early warning signs before small pipe issues turn into expensive damage. Knowing what to look for gives you a chance to act early and protect your home’s plumbing system. If you suspect a developing issue, professional

Continue Reading
company icon

Burning Smell or Warm Outlet: Here’s What to Do Right Away

March 11, 2026

A faint burning smell or an outlet that feels warm to the touch can stop you in your tracks. Electrical issues often begin with subtle warning signs before they turn into larger problems. Paying attention to early warning signs can help protect your home and everyone in it. At Black-Haak, in Greenville, WI, we work with homeowners every day to identify and correct electrical concerns before they escalate. If you notice heat or odor coming from an outlet, knowing what to do next makes all the difference. If you need professional help, our electrical service in Greenville, WI can quickly

Continue Reading
company icon

Carbon Monoxide Risks: Boiler and Furnace Warning Signs You Should Never Ignore

February 19, 2026

Carbon monoxide poisoning is a serious issue that kills approximately 400 people per year. Even worse, it’s known as the silent killer because you can’t see, smell, or taste it. To keep your family safe, it’s important to be fully aware of the many warning signs you should never ignore. Fortunately, our team at Black-Haak is here to let residents of Wisconsin’s Fox Valley know how to avoid carbon monoxide poisoning. What Is Carbon Monoxide Poisoning? Carbon monoxide occurs naturally in the human body. The body naturally releases small amounts of it, and it can

Continue Reading
company icon

Slab Leak Warning Signs: What Homeowners Miss Until Damage Starts

February 19, 2026

Slab leaks rarely announce themselves with a sudden flood or a loud burst of water. More often, they begin as small, quiet changes that blend into daily life, like a warm patch on the floor, a faint sound behind the walls, or a water bill that slowly creeps upward. These subtle shifts can make it hard to tell when normal household use turns into something more serious. Learn to spot early clues before moisture under the foundation leads to cracked floors, warped walls, or long-term structural problems. Why Slab Leaks Start Out of Sight and Stay Hidden

Continue Reading
company icon

Sump Pump Running Constantly: Causes, Risks, and How to Fix It

February 19, 2026

A reliable sump pump is critical to your home’s comfort and health. However, an issue like constant running signals that it is malfunctioning and needs immediate service. Learn when to hire our plumbers in Greenville, WI to repair your home’s sump pump by understanding the causes, risks, and remedies for a sump pump that runs constantly. Stuck Float Switch A stuck float switch can make your sump pump running continuously. This problem occurs because of debris in the sump pit, misalignment or obstruction from ice, among other factors.This issue carries with it risks like the

Continue Reading
company icon