Tumblelog by Soup.io
Newer posts are loading.
You are at the newest post.
Click here to check if anything new just came in.

March 11 2016

Building Heat Loss: Where Made it happen Go?

Investigating Heat Loss

Each time I perform an electricity audit, I get to research the reason why that property is experiencing building heat loss. Part of the audit is evaluating the house heating system. Without the mechanical system looking to heat or cool the dwelling to maintain occupant comfort, there'd be no such thing as building heat loss. Great amounts of time have been dedicated to the calculations and measurements involved to calculate just how powerful an electric heating or cooling system should be to offset the recognized building heat loss. Your property needs a heating or air conditioning because of building heat loss.

Heat flowing straight into or out of our house is our largest energy consumer. Without building heat loss, we wouldn't have to have a furnace at all. We almost wouldn't require a power bill either. Of-course, a home without heat loss is often a home without doors and windows and kids going in and out. Doesn't work real well - the same as ceiling radiant heat and baseboard heat failed real well, especially where our power bills are concerned.

The need for heating or cooling is known as heating load. Take the climates worse day, in the event the temperature difference between outdoors and indoors is the better and calculate the volume of BTU's per hour needed to be added or recinded to keep the home comfortable, you've got your heating load. And, that brings us back to building heat loss.

The are four stuff that determine just how many BTU's shall be involved in a buildings

Building Heat Loss

Heating or Cooling Needs:

1. Heat Transmission

This can be the amount of heat that may pass through walls, ceilings, and floors. The warmth passes through the building shell in 3 ways, Convection, Conduction, and radiation.

Among Convection is the west wind or perhaps the ocean breeze. Receive the air moving and you will have building heat loss by convection. Another example could be the cool night air to your skin - the skin looses heat by convection.

Demonstration of Conduction is the heat that goes through solids simply because they are solid. This really is one molecule passing heat to a new because they are packed close together. The outside siding of a home passes the heat to the studs they may be nailed to which, in turn, pass heat to the drywall and then to the inside of the home.

An illustration of this radiation is the sun beating upon the big picture window or the energy auditors bald head. Such a heat transfer may also cause a sun burn.

2. Air Leakage

Air leakage is simply the holes and gaps left by builders, electricians, plumbers, and heating contractors. When a contractor cut or drilled an opening in your home to install something, he (or she ) probably created a hole. Doesn't matter where it's, air is going to find the hole and flow from your area of high pressure for an area of low pressure.

Look beneath your kitchen sink, see the place that the drain pipe comes with the floor or wall - is the hole sealed or otherwise not?

3. Generated Heat

Generated heat needs to be considered and can vary greatly from home to home. Generated heat includes things like household members, electronics, lights, ovens and ranges, along with the water heater that is within the closet.

Ever check out a party at a fairly small home the place that the whole senior class has gathered? Pretty soon, someone is caught opening up windows and doors. Yep, a teenage body can come up with a lot of heat while increasing the homes requirement for building heat loss.

solar Heat Gain

4. Solar Heat

This is an easy one, real picture window and the sunshine is streaming in, the room and whole house gets warm requiring BTU's to cool the home. Another example would be to stand beside an exterior wall which has been in the sun all day, the sun has now gone behind the distant hills however you can plainly notice the heat is still radiating off the beaten track.

The Advantage of Home Energy Audits

Throughout an energy audit, my inspection can give me a pretty good thought of a homes building heat loss. With all the blower door test I will determine the air leakage of the home and how great the necessity is for air sealing. The blower door determines how big a hole you have in your home.

By inspecting the amount of insulation in the ceiling, walls, and floor, I'm able to determine the level of heat transmission that's affecting the number of BTU's it should take to heat or cool your own home.

How To Use Building Heat Loss to save lots of Energy and Lower Your Power Bill

Together with the knowledge of how your home losses and gains heat that, in turn, requires the furnace or air conditioning unit to kick on and initiate using energy and adding dollars for your utility bill, you have chance to address those building heat loss issues and commence to save.

3 Simple measures to Address Building Heat Loss

1. Energy audit

Recommended is often a professional energy audit by a certified home energy auditor. Next best is to perform a do-it-yourself energy audit. Remember, your searching for ways to control heat transmission and air leakage.

Inspecting Heat Loss

2. Air sealing

Move out the caulk gun and also the can of Great Stuff Insulating Foam. Recall the contractors, where did they cut or drill an opening in your home. Follow the wires, pipes, heating and ventilation ducts to see where they lead.

3. Insulation

Look into the attic, underfloor, and walls for insulation. Properly installed, it's hard to have too much. Remember to air seal the ceiling as well as the floor before adding insulation. The environment barrier needs to be tight before the insulation goes in.

By controlling building heat loss, your house will be more comfortable and will use less energy. The cooling and heating systems will simply not need to work so hard approximately long to maintain the indoor air comfort you want. Wouldn't it be nice to have a home that is certainly so energy efficient, that you needed to do a comfort needs ended up being to open or close a window.

Don't be the product, buy the product!