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Type: Posts; User: amustafa

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by amustafa
Replies
1
Views
638

### Heating cost

How to calculate the annual heating cost for Packaged / RTU using natural gas. What inforamation do I need to get from the nameplate of the unit? I am confused on how to use heating degree days in...
2. ## Thread: how to estimate the energy usage for a hospital

by amustafa
Replies
3
Views
754

### how to estimate the energy usage for a hospital

How to estimate the energy usage for heating and cooling a hospital / healthcare facility? this facility is 200k sq.ft (3 levles) has 2 chillers, 2 cooling towers, 2 packaged unit and 2 boilers. ...
3. ## Thread: How to determine type of pahse

by amustafa
Replies
10
Views
1,036

### How to determine type of pahse

How to detrmine the type of phase connection (single/3-phase) of a unit? what's the quickest way?
4. ## Thread: Total kW for DX system

by amustafa
Replies
1
Views
575

### Total kW for DX system

How to get the total kw for a DX system (cooling and heating) assuming the system has coil fan air hanling unit with 1/2 hp?
5. ## Thread: how to convert tons to kw

by amustafa
Replies
5
Views
19,614

### how to convert tons to kw

How to convert tons to kw. is it simply kw/ton = 12/EER?
6. ## Thread: HVAC Energy Usage for a Plant

by amustafa
Replies
1
Views
567

### HVAC Energy Usage for a Plant

How to estimate the annual energy usage for hvac for a plant that has chillers, boilers, AHU, and split system
7. ## Thread: How to Indentify Chillers Piping Configuration

by amustafa
Replies
6
Views
1,175

### How to Indentify Chillers Piping Configuration

How can I visually identify 3 or more chillers piping configuration (parallel / series)? Some time I go on site and the following the piping gets very confusing. Can someone show me some tricks...
8. ## Thread: How to identify zones

by amustafa
Replies
6
Views
977

### How to identify zones

What’s the quickest way to identify zones in a building without looking at the ductwork other than counting the thermostats?
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