Greg Estep's profile - activity

For window AC, use PTAC. For the unit ventilators, I would use PTAC with outdoor air supply. If the unit ventilators ha

For window AC, use PTAC. for the unit ventilators, I would use either PTAC with outdoor air supply. If the unit ventila

I assume it is the output heating value. Capacity usually refers to the output heat transfer.

mixed water loop flow issues Hello all, We design water source heat pump systems for most of our projects. I often get

mixed water loop flow issues Hello all, We design water source heat pump systems for most of our projects. I often get

Neo, you can also use the designbuilder support team to help you.

Hi Neo. Confirm that the zones which have the heated floor component in detailed hvac also have the correct ground floo

you need to edit the ground floor assembly "heated floor - internal" to get to the construction assembly dialog. rt cli

This question will require some more specification. What calculations are your referring to? heating and cooling desig

I'm referring to the ground floor construction layer assembly dialog. There is tab on this dialog called "internal sour

hello, I'm assuming that you want to model a radiant heated floor. You need to ensure that the internal source is checke

I use PTHP. It's a zone level piece of equipment and you won't have to deal with the air loop branches.

Evangelos at DesignBuilder support provided an answer for me. He confirms that EnergyPlus provides Carbon Equivalent, a

carbon equivalent vs CO2e Hello all, I have some clients who assign a social impact cost ($) based on metric tons of CO

How about Zone,Average,People Occupant Count?

Thanks Willy. I've already implemented the indoor pool object. Modelling the pool equipment is out of our scope, but I

Outdoor swimming pool with swimmingpool:indoor object Hello everyone, I'm trying to use the swimmingpool:indoor object

Thanks Keigo! I'm a design builder user and I think that feature is locked out.

I don't think you can add dual enthalpy wheels, but you could simply use the manufacturers reported overall effectivenes

A heat pipe is a refrigeration loop that does not require a compressor. As your image shows, it straddles the cooling c

Hi Keigo, 1. If the kitchen equipment under the hood is 10kW, then I enter 10kW (with a schedule) for the kitchen exhaus

Hey Keigo, I usually create a "kitchen exhaust fan" zone, with virtual partitions, inside the kitchen zone. I include a

Do you really have a residence with a central ERV (MVHR) system that has VAV boxes? Or do you have zone ERVs (MVHR). E

Hi Selmar, After reading your post, it is not obvious to me that you have used the existing DesignBuilder help and tutor

Here you go: https://bigladdersoftware.com/epx/docs/9-4/input-output-reference/group-zone-forced-air-units.html#zone-pa

Hi JME, I use the DesignBuilder zone water-to-air heat pump which uses equation fit DX cooling and heating coils. The r

Hello Abarker, I use centeral water to water heat pumps all the time, but I exclusively use the Type - equation fit. De

You can connect the DHW to the heat pump heating loop by adding the DHW loop and changing the water heater type to "indi

Hi Konstantinos, OK. In DesignBuilder, you can easily add water-to-water heat pumps right from the HVAC System level vi

Here in Vermont, the commercial building code calls for a maximum infiltration of 0.3CFM/ft2@75 Pa. Since this is a cod

Hello Konstantinos, Please confirm that you want to model zone level terminal units and not central ASHPs and central GS

Hi Qamar, Yes, GLD has the option to configure custom borefield layouts and then it will calculate the G-function for th

Hi Qamar, Have you loaded a G-function .idf file from Ground Loop Design (GLD) software or Ground Loop Heat Exchanger (

Hi Long, I'm pretty sure that is what the "accelerate" feature does when using the JESS JEPlus EnergyPlus server. You c

When using detailed HVAC, I use the PTHP object to model split systems. The DX cooling coil is still air cooled, so if

No. I know that this happens because it is a warning in the energyplus error file.

I should clarify, that this comment is for terminal units (zone level VRF or WSHP) with a DOAS system ducted directly to

Good afternoon, I'm not following this exactly, as I have been using Trane Trace 3D+, but I ran into a situation where t