If you’re someone who likes to tinker around the house and make DIY repairs, a multimeter or voltmeter can be a great tool to have around, especially if you’re comfortable with electrical repairs. That said, if working with electricity feels out of your depth, you don’t need to invest in a multimeter. Reach out to an electrical pro for any electrical work you need done if any part of you is hesitant about a project.

It prevents electrical surges, protects your home from things like electrical fires, and prevents you from getting shocked if an errant surge runs through your power line. Without grounded wires, your appliances could also get damaged during lightning storms.

Aluminum wiring can pose a significant fire risk because it tends to expand, contract, and overheat, leading to failing connections and splices. If your home has aluminum wiring, it doesn't always require a complete replacement, but you must take safety precautions. The first step is to hire a licensed electrician to conduct a thorough inspection. Based on their findings, you have several options:

• Full Replacement: The safest but most expensive solution is to replace all aluminum wiring with copper.

• Copper Pigtailing: A more budget-friendly option, suitable for certain homes, involves adding a short section of copper wire to the end of each aluminum wire at connection points.

• Other Safety Upgrades: Your electrician may also recommend installing aluminum-compatible outlets and applying an anti-oxidant paste to connections to prevent corrosion.

Consulting a professional will help you determine the best course of action to ensure your home's wiring meets current safety standards.

Hiring a professional for attic fan installation or replacement is highly recommended to ensure safety, proper ventilation, and effectiveness without damaging your roof. The type of professional needed can vary based on the fan type and project specifics.

• HVAC Technicians: They understand airflow and ventilation principles, making them well-suited for the job.

• Roofers: Experienced roofers are ideal for roof-mounted fans, as they can ensure a watertight installation.

• Electricians: A licensed electrician is essential if new wiring is needed, or for replacing solar or electric attic fans to safely handle the electrical connections.

• Carpenters: They may be needed to install gable vent fans or to ensure a new fan fits the existing structure correctly.

• Handyperson: For a simple replacement of an old fan with no wiring or structural modifications, a handyperson might be an option.