HVAC

Simulation In this study, optimisation of both parameters together with energy performance assessment of the mechanical ventilated PV façade system are conducted using TRNSYS. The schematic diagram of the components used to simulate the system is provided in Figure 2. The façade is part of a prototypical daylit cellular office building that is represented by Type 56 in Figure 2. This built form is chosen because it accounts for more than 67% of office buildings in England and Wales [25]. The…

When the weather turns chilly, people look for extra layers to get warm. The layer approach is useful for providing extra warmth and make your life comfortable and easy in winter. There is a solution for getting warm if you do not need extra layers. The duvets can help you get warm with just one layer. The duvet is just one layer and it acts like a comforter. The duvets are designed to take the place of several layers. The warmth of the duvet depends upon the filling and construction of the…

Thermal comfort is maybe the most important and easily defined parameter of indoor environmental quality. It is largely responsible for the occupants discomfort and well being and users require a thermally comfortable environment in order to identify that a building is performing well. Thermal comfort studies declare that thermal sensation responses to a given motivation and depends upon the occupants state of thermal adaptation which correlated also on geographic location and climate, time of…

1.0 Introduction Natural ventilation is the process of supplying and removing air by means of purpose-provided aperture (such as openable windows, ventilators and shafts) and the natural forces of wind and temperature-difference pressures. In the process, fresh air is introduced and ventilated air is removed from an occupied space. The primary aim is to preserve the qualities of air. (Amit Gupta, 2006). It may also be used to lower the temperature inside an occupied area for thermal comfort.…

Material selection The main purpose of outer material is to provide enough insulation. So minimum heat transfer coefficient is required for the outer material. Other selection criteria are: 1. Cost 2. Environment friendly 3. Availability Alternatives along with heat transfer coefficient are: • Wood : 0.19 w/m/k • Plastics: 0.29 w/m/k • Polystyrene foam: 0.04 w/m/k • Polyurethane foam: 0.03 w/m/k From the above alternative more suitable outer materials are Polystyrene foam and Polyurethane…

Winterize Your Home’s Plumbing Before It’s Too Late Winter can be a problematic time for homeowners. You run the risk of having pipes in your home that freeze, causing the water inside to expand and the pipe to burst. Not only do you have a plumbing repair that needs to be done as a result, but you will have water damage in your home. The same thing can happen outside of your home as well when you don’t take preventative steps before winter comes. Thankfully, winterizing your home’s plumbing is…

If you have a well on your property, make sure that you follow these three tips to ensure that your well pump system makes it through the winter without an incidents. #1 Protect Your Pump With A Pump House The most basic way you can protect your well pump system is by ensure that it is covered with a pump house. If you do not have a pump house around your well, contact a local contractor and see about having one installed this week. It should only take a skilled contractor a few hours to…

Many homeowners might wonder if they need downspouts on their home. The main advantage of downspouts is that they prevent damage to the interior of your home. Even if your home has downspouts, it is not unusual for a home to have missing or damaged downspouts because of storms, especially here in GA. If you have any questions, it is always best to have a professional inspect your roofing in Newnan. Why You Should Install Downspouts Without downspouts on your home, water can drip into your…

Tips For Installing New Attic Insulation If you want to keep your home warmer this winter and reduce your power bill, you should check the insulation in your attic. You may not have enough, or the insulation you have could be wet or compressed and not doing its job. Here are a few things to know about getting attic insulation installed. Prep The Attic First Start with an inspection of your attic. If your roof is leaking, you should fix it before you put in new insulation because when…

Do You Need Rohnert Park AC Repair? It would be a lot harder to survive the summer months in Rohnert Park without working air conditioning. That is why you definitely want to be on the look out for any signs that suggest Rohnert Park AC repair is necessary. You should call a Rohnert Park air conditioning company if you notice that your home is not as cool as you want it to be. A lack of cool air could be a sign that your compressor has failed. It could also be a sign that the Freon levels are…