The correct breaker size for a furnace depends on the furnace type, electrical load, and local code. This article explains how to determine the right amp breaker, common residential breaker sizes, wire gauge requirements, NEC guidelines, and practical steps to verify or upgrade a furnace circuit safely. Furnace Type Typical Breaker Size Typical Wire Gauge … Read more
Heat pump systems that blow cool air when heating are a common homeowner concern. This article explains the most likely causes, diagnostic steps, and practical fixes to restore efficient heating. It covers airflow, refrigerant, defrost cycles, thermostat settings, and when to call a pro. Quick Table: Common Causes And Typical Remedies Symptom Likely Cause Typical … Read more
When power goes out, homeowners often ask, “Can I plug my furnace into a generator?” This article explains the technical, safety, and code-related considerations for running a furnace from a portable or standby generator, covering sizing, wiring, transfer switches, and best practices to keep equipment and occupants safe. Quick Question Short Answer Key Requirements Can … Read more
If a furnace is running but there is no heat, homeowners face discomfort and potential safety concerns. This article explains why a furnace might run without producing heat, how to diagnose the problem, and practical fixes and prevention tips. The guidance applies to gas, electric, and oil furnaces used in U.S. homes. Symptom Possible Cause … Read more
When a heat pump is not keeping up in hot weather, indoor comfort, utility bills, and equipment longevity can be affected. This article explains common causes, diagnostic steps, and practical solutions to restore cooling performance and efficiency. Symptom Possible Cause Quick Fix Weak Cooling Low Refrigerant, Dirty Coil Call HVAC pro, clean coil Short Cycling … Read more
The furnace 4 blink code is a common diagnostic signal from a furnace control board that helps identify issues such as ignition failures, flame sensing problems, or limit switch faults. This article explains what the 4 blinks on furnace mean, step-by-step troubleshooting, safety precautions, possible repairs, and when to contact an HVAC professional. Symptom Likely … Read more
Heat pumps are commonly promoted as dual-purpose systems that both heat and cool homes, but some homeowners ask, “Can I use a heat pump for AC only?” This article explains how heat pumps work in cooling mode, when using a heat pump for cooling only makes sense, installation and control options, cost and efficiency considerations, … Read more
Heat pump water heater cost is a top concern for American homeowners exploring energy-efficient upgrades. This guide explains purchase and installation expenses, ongoing operating costs, available incentives, and the factors that determine return on investment. By outlining typical price ranges and real-world comparisons, the article helps readers make informed decisions about heat pump water heater … Read more
Proper orientation of a furnace filter mesh affects indoor air quality, system efficiency, and filter lifespan. This article explains how to identify the correct side, interpret markings and arrows, install mesh or pleated filters correctly, and maintain them for optimal HVAC performance. Topic Quick Guidance Filter Direction Airflow Arrow Points Toward Furnace/Blower Mesh vs Pleated … Read more
Nordyne furnaces are common in U.S. homes and knowing the exact Nordyne furnace filter location saves time, improves airflow, and extends equipment life. This guide explains typical filter placements by model family, step-by-step access instructions, replacement tips, and troubleshooting to ensure efficient operation and safe handling. Nordyne Model Family Typical Filter Location Filter Type/Size Notes … Read more