Sue Shiwdin

Electrical

Building an Electrical Maintenance Program Contractors Can Actually Sell

A well-planned electrical maintenance program can help facility owners improve equipment reliability, manage downtime, and…

Sue ShiwdinSeptember 11, 2026

Wall-mounted electrical boxes power control and outdoor HVAC condenser unit

Heating & Cooling

The Outdoor HVAC GFCI Exemption Just Expired. Now What?

The exemption that let outdoor residential HVAC equipment skip GFCI protection expired Sept. 1, bringing updated requirements for contractors to…

Sue ShiwdinSeptember 11, 2026

Using an adjustable wrench, a professional plumber connects hot and cold water hoses to a boiler.

Plumbing

How to Service a Water Heater for Fall

Water heaters are the forgettable workhorses of a plumbing system. Nobody thinks about them until…

Sue ShiwdinSeptember 10, 2026

Test cocks, shut off valves, and vacuum breaker to a lawn sprinkler irrigation system

Plumbing

What the 2024 IPC’s Backflow Rules Actually Require

Every plumber has installed a backflow preventer without thinking twice about it. Fewer can say…

Sue ShiwdinSeptember 9, 2026

Heating & Cooling

How to Reset a Honeywell Home Thermostat (All Models)

A Honeywell Home thermostat that won't respond, holds the wrong temperature, or refuses to connect…

Sue ShiwdinSeptember 9, 2026

An HVAC technician inspecting and clearing a condensate drain line

Heating & Cooling

How to Maintain and Troubleshoot an AC Condensate Drain Line

Summer shutdowns love a clogged condensate drain line. Not because the repair is complicated. Usually because…

Sue ShiwdinSeptember 3, 2026

shower faucet details and adjustable wrenches on white ceramic shower tray

Plumbing

How to Replace a Shower Valve

A shower valve that drips behind the wall, runs scalding hot when the toilet flushes,…

Sue ShiwdinSeptember 2, 2026

Electrical

Three Quiet Code Changes That Will Show Up on Your Next Inspection

Every code cycle brings changes that sound minor in a summary and matter a great…

Sue ShiwdinAugust 28, 2026

A technician using a refrigerant recovery machine connected to an HVAC system

Heating & Cooling

The R-410A Service Window Contractors Can’t Afford to Waste

The refrigerant transition feels finished: R-32 and R-454B are standard in new equipment, and last…

Sue ShiwdinAugust 27, 2026

Repairman washing dirty compartments air conditioner

Heating & Cooling

How to Clean AC Condenser Coils for Peak Cooling Performance

A dirty condenser coil doesn't announce itself. The system still runs. The air still comes out cool, at…

Sue ShiwdinAugust 27, 2026

Sue Shiwdin

Building an Electrical Maintenance Program Contractors Can Actually Sell

The Outdoor HVAC GFCI Exemption Just Expired. Now What?

How to Service a Water Heater for Fall

What the 2024 IPC’s Backflow Rules Actually Require

How to Reset a Honeywell Home Thermostat (All Models)

How to Maintain and Troubleshoot an AC Condensate Drain Line

How to Replace a Shower Valve

Three Quiet Code Changes That Will Show Up on Your Next Inspection

The R-410A Service Window Contractors Can’t Afford to Waste

How to Clean AC Condenser Coils for Peak Cooling Performance

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