Hartsig Supply Co Inc

Residential vs. Commercial Hot Water Systems: Key Differences

Residential and commercial hot water systems may serve the same basic purpose, but they are not the same. Both are designed to provide hot water, but the demand, equipment, sizing, controls, and system expectations can differ significantly. For contractors, understanding the difference between residential and commercial applications is important before selecting equipment. A product that […]

What Contractors Should Consider Before Choosing a Tankless Water Heater

Tankless water heaters can be a great solution for many residential and commercial applications, but choosing the right unit takes more than picking a brand or matching the size of the old water heater. A tankless system needs to be selected based on real hot water demand, flow rate, temperature rise, venting requirements, gas supply, […]

Why Water Testing Matters Before Choosing Treatment Equipment

Water testing is one of the most important steps in selecting treatment equipment. Without a water test, contractors and customers often rely on symptoms, assumptions, or guesswork. While symptoms can provide helpful clues, they do not always tell the full story. A customer may say their water smells bad, stains fixtures, leaves spots, tastes strange, […]

Iron, Hardness, Sediment, and Odor: Matching Problems to Solutions

Water treatment works best when the solution is matched to the actual problem. Many customers describe water issues in simple terms: stains, smell, bad taste, cloudy water, spots, or buildup. For contractors, the job is to connect those symptoms to the likely cause and then choose products that fit the application. Four of the most […]

Well Water vs. City Water Treatment: What Contractors Should Know

Water treatment needs can vary greatly depending on whether the property uses well water or city water. Both sources may require treatment, but the concerns often differ. For contractors, understanding those differences helps with product selection, customer conversations, and better long-term system performance. Well water comes directly from a private well. Because it is not […]

Water Treatment Starts With Understanding the Water Problem

Water treatment should never begin with guessing. Before a contractor recommends a softener, filter, reverse osmosis system, UV unit, or iron removal setup, the first step is understanding the actual water problem. Every property can have different water quality concerns, especially when well water is involved. Some customers call because their fixtures are stained. Others […]

Why Pump Sizing Matters for Long-Term Water System Performance

Pump sizing is one of the most important parts of designing or repairing a water system. A pump that is too small may not meet the customer’s needs. A pump that is too large can create short cycling, pressure problems, wasted energy, and premature equipment wear. For contractors, proper pump sizing is not just a […]

Common Signs a Water System Is Not Working Properly

A water system can show signs of trouble before it fails completely. For contractors, recognizing these warning signs can help identify problems early, explain issues to customers, and choose the right repair or replacement approach. One of the most common signs of a water system problem is low water pressure. Customers may notice weak flow […]

Pressure Tanks and Constant Pressure Systems: What Contractors Should Know

Pressure tanks and constant pressure systems play a major role in how a water system performs. While the well pump moves water from the source, the pressure system helps control delivery, manage pump operation, and provide usable pressure throughout the building. For contractors, understanding the difference between traditional pressure tank systems and constant pressure systems […]

How to Choose the Right Well Pump for the Application

Choosing the right well pump is one of the most important decisions in a water system. A well pump delivers water from the source to the home, building, irrigation system, or point of use. When the pump is properly selected, the system can provide steady water pressure, reliable flow, and long-term performance. When the wrong […]