It’s cold throughout MD, VA, and DC now, but the weather will soon start to change. Before you know it, it’ll become warmer, which means you should begin thinking about attic fan installation. An attic fan is a ventilation fan that regulates the heat level of a building’s attic by exhausting hot air. It is similar to a kitchen fan but located in the attic of a home. An attic fan is usually connected to a switch or string that you can access from the top floor of your home. You may be surprised to learn about all the benefits of installing an attic fan in your home.

Attic fans are key to maintaining an energy-efficient home. Your air conditioning unit will have to work overtime if you allow rising heat to stay in your home instead of routing it up and out. This ultimately reduces the unit’s efficiency. An attic fan is an excellent home cooling option that also keeps your energy bill down in hot summer months.

An attic fan helps reduce the humidity, or overall moisture level, in a house. Daily household activities—showering and cooking, for example—create moisture that rises and can build up in the attic if the space isn’t properly ventilated. If you don’t take any action and allow this moisture to sit in the attic for an extended period, it will eventually create mold in the insulation and possibly even in the wood structure of the attic. This moisture can be especially damaging during the wintertime (now!) when cold turns it to ice or frost. The expansion of ice and frost can seriously damage your roof.

An attic fan helps combat moisture and transfers it out of the attic before it can cause serious damage to insulation, wood structure, and roofing materials. Now is the perfect time for attic fan installation—it will help prevent ice or frost from forming and damaging your roof, and you’ll need an attic fan for the warmer months anyways. Contact Kolb Electric for attic fan installation.

Here’s a question: are you currently leaving the windows of your home closed? Doing so could trap gas from your furnace or oil heater in your house. These combustion gases can be removed with the help of an attic fan.

This really is the perfect time to schedule attic fan installation. We’ve been serving Baltimore and Bethesda, MD as well as Alexandria, VA and Washington, DC since 1925. You can count on our experienced electricians to get the job done right the first time. Call us or contact us online for installation.

You use it every day, but do you really understand electricity? It’s important, because, without understanding electricity, it’s hard to maintain electrical safety in your home. In order to understand electricity, you basically need to grasp five key concepts; we like to call them the five hidden mysteries of electricity.

We hope we’ve made electricity a little less mysterious and provided information that leaves you better able to understand electricity. At ElectricMan, we want to be your go-to source, whether you need information about electricity or professional help with an electrical installation, project or service. A family-owned business, we offer quality electrical services because we only employ professional, licensed, certified electricians. Don’t ever hesitate to call. We’re available 24 hours a day, 7 days a week. Rain or shine, we’ll be there to fix any electrical emergencies that may come up! Visit ElectricMan’s website to learn more, or connect with our online community on Facebook, Twitter, Pinterest and Google Plus.

LED fixtures, such as

With energy consumption that is less than half of what 150-watt LED parking lot light that is a direct replacement for 400-watt metal-halide (MH) fixtures. That’s 250 watts less for the same amount of light!

The average price of electricity per kilowatt-hour (kWh) is 12 cents. To figure out the monthly cost of running 25 LED parking lot lights for 11 hours per day, use this formula: (combined wattage x monthly hours of use)/1,000 x price per kWh. For 25 LED lights, (3,750 x 330)/1,000 x .12) the total would be $148.50 per month or $1,782 per year.

When the same formula is used for 400-watt MH fixtures, the monthly cost is $396, and yearly cost would be $4,752. So, in this situation, switching to LED fixtures would save approximately $3,000 per year. When coupled with the savings on maintenance, LED fixtures can save $6,470 per year. At that rate, the cost of 25 $340 LED fixtures would be recouped within two years.

Left: LED wall packs; Right: HID wall packs

Unlike LED fixtures that light up instantly, HID parking lot lights require a warmup period of up to 10 minutes before they reach full brightness. They also can’t be turned immediately back on after being switched off; this is called restrike time, and it can take up to 15 minutes before they can be turned on again. Attempting to power on the lights before the bulbs have cooled can damage a fixture’s components and cause the HID bulb to fail sooner.

HID lamps consist of a ballast and a quartz tube that contains gas, metal salts, and two tungsten electrodes. In order to create light, an electric arc passes from one electrode to the other through a gas (most commonly mercury, metal halide, or sodium). The mercury used in this process is dangerous if enough is inhaled or released into the environment. If an HID bulb bursts, all contents should be put into a sealed container or sealed bag and taken to a recycling center or hazardous waste facility. If HID fixtures are used indoors, wall packs and canopy lights, are used indoors, the possibility of ultraviolet (UV) radiation exposure should be taken into consideration. HID bulbs emit a substantial amount of UV radiation, but an outer glass envelope prevents the radiation from escaping. However—according to the FDA—”If the outer bulb breaks and the inner tube continues to operate unshielded, intense UV radiation is emitted. UV exposure at this level can cause eye and skin burns, as well as blurred or double vision, headaches, and nausea.” The UV light from an HID bulb with a broken envelope can also lead to discoloration of items and fabric. LEDs emit little to no UV radiation.

In short, LED lights are a better alternative to HID parking lot lights. They offer a great deal in the way of savings, longevity, maintenance reduction, brightness, color, and safety. While it may take a short amount of time to recoup the price of switching to LEDs, all of their qualities make it easy to see why so many businesses have started the process.

For technical questions, don’t hesitate to call us toll free at 866-590-3533. Our customer service and technical support teams are available from 8:30 a.m. to 8 p.m. CDT Monday-Thursday and 8:30 a.m. to 4 p.m. CDT on Friday.

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