Question-and-Answer Resource for the Building Energy Modeling Community
Get started with the Help page
Ask Your Question
2

Why cooling loads appear during the cold months ? Heating/Cooling loads using E+

asked 2019-02-28 13:00:50 -0600

tassimo4.0's avatar

updated 2019-03-03 11:50:52 -0600

__AmirRoth__'s avatar

I am simulating a residential building (80 m2) using Energy-Plus to determine the Heating/Cooling loads through a typical meteorological year. for this purpose, I am using a simple HVAC with Zone control:Thermostat object.So, the aim is to predict the District:Cooling and District:Heating. Indeed, we now that cold months usually require heating loads only. however, as we look at the figure bellow, there are cooling loads in all months of the year. Any help !!!!!

image description

edit retag flag offensive close merge delete
add a comment

1 Answer

Sort by ยป oldest newest most voted
3

answered 2019-02-28 13:10:17 -0600

rraustad's avatar

The winter building loads are impacted by the under-slab ground temperatures and whether or not the simulation considers infiltration. Without these (offsetting) loads, internal gains can cause the need for cooling in winter.

edit flag offensive delete link more

Comments

Mr Richard Raustad, thanks a lot for your prompt response. In my silumation, I used an infltration of about 0.5 Air-changer/hour. In this case, we can say that the results are reasonable.

tassimo4.0's avatar tassimo4.0  ( 2019-02-28 13:26:15 -0600 )edit

How to solve this problem? I got the same problem, but it doesn't matter construction,,

Eric Dier's avatar Eric Dier  ( 2023-08-31 03:16:12 -0600 )edit
add a comment

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Training Workshops

Careers

Question Tools

1 follower

subscribe to rss feed

Stats

Asked: 2019-02-28 13:00:50 -0600

Seen: 544 times

Last updated: Feb 28 '19

About | Help | Privacy | Legal | Contact
Site design and logo: Copyright © 2015 Big Ladder Software LLC. All rights reserved.
The Unmet Hours and Big Ladder names and logos are trademarks of Big Ladder Software LLC.
User contributions licensed under the Creative Commons Attribution Share Alike 3.0 License.
Powered by