Sue Shiwdin

Skilled engineer commissioned for routine hvac system maintenance

Performance Drift Is Quietly Draining HVAC Efficiency, and Most Techs Never See It Coming

A system can run every single day, cool the space, and still be quietly bleeding efficiency the…

Sue ShiwdinJuly 31, 2026

Electrical

How to Choose the Right Electrical Wire Gauge for Every Circuit

Wire gauge isn't a suggestion. It's a safety requirement, and getting it wrong doesn't just trip a breaker. It starts fires inside walls nobody sees…

Sue ShiwdinJuly 30, 2026

Plumbing

PE-RT Tubing and the Modern Potable Water Rough-In

A quiet materials shift is underway in potable water rough-in, and plumbers who moved straight…

Sue ShiwdinJuly 30, 2026

An electrician performing tests with a clamp meter during home EV charger installation.

Electrical

Three Proposed TIAs Could Reshape How the 2026 NEC Handles EV Receptacles, Emergency Power, and Grounding Tables

The 2026 National Electrical Code is barely out of its box, and the code development…

Sue ShiwdinJuly 30, 2026

Hand Connecting Garden Hose to Drain the Water Heater

Heating & Cooling

How to Flush a Water Heater (Tank & Tankless)

Sediment is the quiet enemy of a water heater. Mineral deposits, primarily calcium and magnesium…

Sue ShiwdinJuly 28, 2026

Electrician Wiring a GFCI Outlet During Installation

Electrical

How to Install a GFCI Outlet: Line vs. Load Wiring Explained

A GFCI outlet is one of the most important safety devices in a home. GFCIs…

Sue ShiwdinJuly 23, 2026

Male plumber replacing fill valve in toilet tank, closeup

Plumbing

How to Replace a Toilet Fill Valve

A toilet that runs all night is money down the drain. Literally. The fill valve,…

Sue ShiwdinJuly 21, 2026

Electrical

The 2026 NEC Rewrote Arc Flash Labeling: What Electricians Need Before the Next Inspection

Every electrician who has slapped a generic arc flash sticker on a panel and moved…

Sue ShiwdinJuly 17, 2026

Safety Staff Pointing on R32 with Warning Sign

Heating & Cooling

A2L Inspections Are Here: What HVAC Contractors Need on the Truck and in the Paperwork

A2L refrigerants aren't new anymore, but the paperwork around them keeps evolving. As permitting offices and inspectors get more…

Sue ShiwdinJuly 16, 2026

Wildfire smoke creating hazy conditions over a residential waterfront park with trees, lawn, and outdoor seating

Community

What to do when Wildfire Smoke is in the Air

An orange sky used to be rare enough to make the local news. Now it…

Sue ShiwdinJuly 16, 2026

Sue Shiwdin

Performance Drift Is Quietly Draining HVAC Efficiency, and Most Techs Never See It Coming

How to Choose the Right Electrical Wire Gauge for Every Circuit

PE-RT Tubing and the Modern Potable Water Rough-In

Three Proposed TIAs Could Reshape How the 2026 NEC Handles EV Receptacles, Emergency Power, and Grounding Tables

How to Flush a Water Heater (Tank & Tankless)

How to Install a GFCI Outlet: Line vs. Load Wiring Explained

How to Replace a Toilet Fill Valve

The 2026 NEC Rewrote Arc Flash Labeling: What Electricians Need Before the Next Inspection

A2L Inspections Are Here: What HVAC Contractors Need on the Truck and in the Paperwork

What to do when Wildfire Smoke is in the Air

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