April 2025

   📍 Location: Rockwall, TX |Residential Single family house 🏠 System: 10-Year-Old Lennox Outdoor Unit | 1-Year-Old Air Handler🛠 Service: Amana 5-Ton R-410A Condenser Installation 🔍 The Problem:A Rockwall homeowner called us when their A/C suddenly failed. We diagnosed a burnt-out compressor—the start winding was reading OL (open line), and insulation on the compressor motor winding […]

    📍 Location: Prosper, TX🏡 Home Type: Single-Family Home (Built 2021)🔧 Service: Flue Pipe Clearance Repair for Real Estate Transaction 🔍 The Challenge:We were hired by the seller of a home built in 2021 during a real estate transaction. A repair amendment required correction of a missing 1″ clearance between the flue pipe and combustible

     When your air conditioning system fails in the middle of a Texas heatwave, fast and reliable service isn’t just a luxury—it’s essential. At Greentech Engineering HVAC, we recently helped a homeowner in Fort Worth, TX who experienced a complete AC breakdown in their single-family home. Here’s how we diagnosed the issue and delivered

Location: Residential Single Family House| Plano, TX🏡 Project: Evaporator Coil Replacement⭐ Result: 5-Star Customer Satisfaction The Challenge:A homeowner in Plano reached out to us with a familiar problem: a leaking evaporator coil. Initially, they opted to recharge the system with refrigerant (Freon) in hopes of “making it through the season.” However, as often happens with

  📍 Location: Residential Single Family House |Prosper, TX🏡 Project: Supply Duct and Plenum Replacement🌟 Result: Restored airflow, improved efficiency, and a 5-Star Customer Experience 🌎 Celebrating Earth Day with Sustainable HVAC SolutionsAt Greentech Engineering HVAC, we believe that comfort, performance, and sustainability should go hand in hand. That’s why this Earth Day, we’re highlighting

  At Greentech Engineering HVAC, we pride ourselves on delivering lasting comfort and energy-efficient solutions tailored to each home. Here’s a recent success story from one of our satisfied customers in Carrollton, Texas, where we completed a full HVAC system replacement just in time for the intense Texas summer. 🔍 The Challenge: An Aging, Inefficient

Project: Residential Single-Family Home | 1 Heat / 1 Cool System The Problem: No Cooling in the Home A homeowner in Fort Worth, TX contacted us after noticing that their AC had stopped cooling completely. With summer just around the corner, the situation needed a fast but thorough fix. During inspection, we found two key

📍 Location: Frisco, TX | Single Family House🏠 Home Age: Built 2005🔧 Service: Full HVAC System Replacement 🔍 The Challenge:A homeowner in Frisco reached out after their original 2005 Lennox AC system stopped cooling. The issue? A major R-22 refrigerant leak—a costly and outdated refrigerant no longer manufactured. Given the age and condition of the

At Greentech Engineering Heating and Air, we believe the more you know about your home’s HVAC system, the better you can care for it—and get the most comfort and efficiency from it. Let’s take a walk through the main components of a residential central split HVAC system, how they work together, and how setups may