Alejandra R, Author at SupplyHouse Blog

HVAC technician inspecting the control board of a gas furnace with a flashlight during troubleshooting

Heating & Cooling

How to Troubleshoot a Furnace That’s Not Heating

A furnace doesn’t just quit. It hesitates, groans, blows cold air, or shuts down too…

Alejandra ROctober 30, 2025

Heat recovery ventilator (HRV) wall unit with insulated ductwork in a residential utility room.

Heating & Cooling

HRV vs ERV Explained: What They Do, When to Use Them, and How to Size Them Right

Heat recovery ventilator (HRV) wall unit with insulated ductwork in a residential utility room. A…

Alejandra ROctober 23, 2025

Plumber installing a toilet flush valve inside a tank — step-by-step repair process

Plumbing

How to Replace a Toilet Flush Valve

Why the flush valve matters Running toilets usually come down to one thing: the flush…

Alejandra ROctober 16, 2025

Electrical

How to Choose and Maintain Wire Strippers

Overview Wire strippers are one of those tools you don’t think about until they let…

Alejandra ROctober 9, 2025

HVAC service technician changing dirty air filter in the central ventilation system.

Heating & Cooling

How to Select the Best Air Furnace Filter (and Keep It Working Like New)

A properly chosen air furnace filter isn’t just a throwaway part. It’s the first line…

Alejandra ROctober 2, 2025

Electrician wearing a protective glove, holding a digital multimeter. Orange colored instrument with connected test leads for measuring voltage, current and resistance in electrical systems

Electrical

How to Use a Digital Multimeter

Overview A digital multimeter is the Swiss army knife of electrical work. It measures voltage,…

Alejandra RSeptember 25, 2025

Deep water well set up. Water pressure gauge and storage tank.

Plumbing

How to Identify and Replace Well Tank Parts & Accessories

(Pressure Switches, Gauges, Tank Tees, Air Volume Controls and Safety Valves) If a well tank…

Alejandra RSeptember 18, 2025

Community

National Tradesmen Day 2025 — Honoring the Pros Who Are Built for This

Some holidays are about candy or fireworks. And then there’s National Tradesmen Day: a day to thank the people…

Alejandra RSeptember 11, 2025

Electrician Installing A Dimmer Switch In A Wall Socket

Electrical

How to Install a Dimmer Switch

Installing a dimmer switch is one of the easiest upgrades you can make to improve…

Alejandra RSeptember 4, 2025

Electrical

How to Replace an Electrical Outlet

Replacing an electrical outlet improves safety, reduces energy waste, and solves common electrical annoyances like…

Alejandra RAugust 28, 2025

Alejandra R

How to Troubleshoot a Furnace That’s Not Heating

HRV vs ERV Explained: What They Do, When to Use Them, and How to Size Them Right

How to Replace a Toilet Flush Valve

How to Choose and Maintain Wire Strippers

How to Select the Best Air Furnace Filter (and Keep It Working Like New)

How to Use a Digital Multimeter

How to Identify and Replace Well Tank Parts & Accessories

National Tradesmen Day 2025 — Honoring the Pros Who Are Built for This

How to Install a Dimmer Switch

How to Replace an Electrical Outlet

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