Dirk's Blog

  Ceiling Fans Explained Ceiling fans have a significant impact on the way we perceive the temperature of a room. They don't actually change the temperature, but they circulate the air around us, creating a cooling or warming effect. This can make us feel more comfortable without having to adjust the thermostat, which can save money on energy bills. During the summer months, it's best to set your ceiling fan to rotate counterclockwise. This creates a wind-chill effect that pushes cool air down and helps to distribute it evenly throughout the room. You can also use the fan to keep a specific area cool, like a seating area or a bed. In the winter, you can set the ceiling fan to rotate clockwise. This helps to push warm air down from the ceiling, which can be especially helpful in rooms with high ceilings. By doing so, you'll be able to feel warmer without having to turn up the heat. The electrically powered ceiling fan was invented in 1882 by Philip Diehl. He adapted the elec...

  Conduction, Convection, and Radiation Heating (Embellished) There are three ways that heat energy transfers: conduction, convection, and radiation. Conduction happens when two objects are in direct contact with each other. Convection happens when fluids move around. These types of heat transfer happen every day, both from the sun and from the Earth. Conduction is when heat moves through objects like solids, liquids, and gases. When particles are close together, heat energy travels from where it is hotter to where it is cooler. This happens mostly in solids, where the particles are closest together. *For example, when you touch a hot metal spoon in a pot of boiling water, the heat moves from the metal to your hand. This is conduction. Convection happens when heat moves through fluids like liquids and gases. When heat is applied to a fluid, the particles move faster and the fluid becomes less dense. The warmer, less dense fluid rises, and the cooler, denser fluid sinks. This create...

  Ohm's Law Explained (a little) 3/4/2024 https://dphomeinspectionfl.com/f/ohms-law-explained-a-little There are three parts to a circuit, its flow, pressure, and resistance. This is described as Flow- Amps "Amperage" Pressure - Volts "Voltage" Ohms is the Resistance. This energy created is wattage. Confused yet? Volts (V): Volts are like the "pressure" pushing electric charges through a wire. It's the force that makes electricity flow. Think of it as the power source, similar to the pressure in a water hose. Amps (A): Amps measure how much electricity is flowing. Imagine amps as the amount of water flowing through the hose. More amps mean more electricity moving through the wire. Ohms (Ω): Ohms represent the resistance that tries to stop the flow of electricity. Picture it like a narrow part of the hose – higher ohms mean more resistance, making it harder for electricity to pass. Wattage (W) : .Wattage is a measure of electrical power. It tells yo...

Wired Up! Ensuring the proper selection of wire and its size is a critical aspect of both personal safety and the well-being of connected equipment. When examining wires, it's essential to meticulously identify the material, whether copper or aluminum, inspect contact points, and carefully consider the wire gauge. A crucial factor in this evaluation is acknowledging the impact of the wire run's length on voltage, known as voltage drop. To illustrate, if a 14-gauge wire is utilized over a distance exceeding 500 feet, the resulting voltage loss is approximately 1.86. Consequently, the voltage at the end of the run diminishes to 108 volts, posing a potential risk of damaging electrical components. Online calculators are valuable tools in simplifying these calculations. Understanding wire gauge complexity arises as the required thickness is contingent on the distance the wire needs to cover. Furthermore, specific AMP breakers and fuses adhere to minimum standards outlined in the NE...

  Attic Ventilation It's not a good idea to open up your attic in your garage, and here's why: 1. Firstly, it isn't a firebreak. Additionally, if the underside of the attic access doesn't have sheetrock or metal, we need to avoid it. 2. Fumes can get trapped inside your attic space, which can lead to spontaneous combustion. 3. The attic is designed to allow proper heat and air flow, so that it can breathe properly and release heat. Leaving the attic propped open will disrupt the airflow, causing extra heat to build up inside the attic space and mess up the ventilation system. An attic needs to have proper ventilation, and this must be taken into account before a home is built. The standard calculation is to have one square foot of ventilation for every 300 square feet of ceiling space. Most modern passive systems work by drawing in cooler air from the soffit and expelling hot air out of the ridge vent at the top of the roof. In older homes, gable vents were used on each...

  Foundations 2/12/2024 Job 4:19 "How much more those who live in houses of clay, Whose foundation is in the dust, Who are crushed before the moth!" The foundation is the initial stage of any building construction. It is the base that supports the entire structure, and it can either limit the potential for future expansion or enable us to expand further. In a broader sense, a foundation can refer to the underlying principles, ideas, or concepts upon which something is built or established, such as history. Having a strong educational foundation is crucial for success in any field of specialization. A good education provides a firm basis upon which we can build our knowledge and develop our skills. The structural foundation of a building is critical to ensure that it stands straight and tall, much like a tree with a solid root system. A well-built foundation helps to anchor a structure in place, preventing it from leaning or moving. When building a foundation, it is essential ...

  Saving Money 2/5/2024 Saving money on utilities is a smart way to reduce your monthly expenses. Here are some practical tips to help you save on your utility bills: - Energy-Efficient Appliances: Invest in appliances with the ENERGY STAR label that are energy-efficient. They consume less energy and can significantly reduce electricity costs over time. - LED Lighting: Replace traditional incandescent bulbs with energy-efficient LED bulbs. They last longer and use less electricity. Remember to turn off lights when not in use! - Unplug Devices: Unplug electronic devices and chargers when not in use to prevent "phantom" energy consumption. Some people switch off circuit breakers when they are not in the room. - Seal Leaks: Seal gaps and cracks in windows, doors, and walls to prevent drafts. This helps maintain a consistent temperature inside your home, reducing the need for excessive heating or cooling. Close doors to unused rooms. - Programmable Thermostats: Use programmable t...