[PDF] [PDF] SIZING HVAC EQUIPMENT - Energy Trust Insider

[PDF] SIZING HVAC EQUIPMENT - Energy Trust Insider

house is how many BTUs/hr the One Ton of Heating load (12,000 Btus/hr ) Boise Idaho It's easy and the answer does not matter as much as you might think

[PDF] A/C Cooling Load calculation and measurement - Testo

how much heating or cooling is taking place This is especially A refrigeration ton is approximately equivalent to 12,000 BTU/h or 3 5 kW/h Air- conditioning 

[PDF] How to Convert HVAC Tons to Amps How to Calculate BTU Hours to

For a list of specific heat capacities, see the first link in "Resources " If, for instance, you are heating copper, which has a heat capacity of 0 386: 9 x 0 386 = 3 474 3 

[PDF] Fuel Value Calculator - Forest Products Laboratory - USDA Forest

from any type of fuel that contains water, including wood, coal, and 0 073 ton $120/ton $882 aBased on 100 million Btu of energy for the heating season

[PDF] Why 400 CFM per Ton is used for Determining - Missouri Division of

We are now prepared to relate air to heat Suppose we are supplying 300 CFM to a heater The air enters at 70° F and leaves at 120° F How much heat has the 

[PDF] HVAC FORMULAS TON OF REFRIGERATION - The amount of heat

CONVERTING BTU to KW: 3413 BTU's = 1 KW Example: A 100,000 BTU/hr oil or gas furnace (100,000 ÷ 3413 = 29 3 KW) COULOMB = 6 24 X 1018

[PDF] Determining a building energy needs

Buildings Many States have made their code even more stringent Heating needed- 117,00 btus; 19 34 btu/ sq ft • Cooling needed- 13 5 Tons; 448 cfm/ sq ft

[PDF] Guide to Home Heating and Cooling

There are many different kinds of heating and cooling systems you can use in accepted old estimate is that an HVAC unit should provide one ton (12,000 Btu)

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S

IZING HVAC EQUIPMENT

© CLEAResult, 2014

The goal of all HVAC equipment sizing is to find the best match between the house and the equipment. Optimal size is the best match, or balance, between the rate of heat loss or heat gain of the house and the capacity of the HVAC equipment. W hat Is Meant by Equipment Sizing?

The heating or cooling load of the

house is how many BTUs/hr the house requires to maintain the required indoor temperature at design conditions

Typical homes have heat loss rates of

between 20,000 BTUs/hr and 80,000 BTUs/hr and cooling loads of between 12,000 Btus/hr and 40,000

Btus/hr

f initions: Heating/Cooling Load

To be warm in winter

To be cool in summer

the Customer Wants

INPUTS:

Weather data

Square footages

Insulation levels

U Values glass

SHGC ACH

Duct multipliers

OUTPUTS:

Heating/cooling

loadsINPUTS:

Heating/cooling

loads

Capacity tables

Fan data

OUTPUTS:

Unit selectionINPUTS:

TEL

Fan data

OUTPUTS:

Friction rate

Duct sizes

Lower front-end

costs

Greater comfort

Lower energy use

I NP U T S I NP U T S I NP U T S Lo w e r fr o n t e n d

Manual

JManual

SManual

DBenefits

ACCA HVAC Design Process

R-0 R-7 R-11 R-19 R-27 R-30 R-38

S QF E E T O FA T T I C Sq. Feet. Of Attic at Various R- Values Needed to Create One Ton of Heating load (12,000 Btus/hr.) Boise Idaho t he R-value that Matters...

05,000

R-0 R-7 R-11 R-19 R-27 R-30 R-38

BTU'S Per Hour of Heat Loss

BTUs Through 2,000 sq of Attic with Various R

Values: Boise Idaho

t

The Square Feet

M anual J Heating Load Inputs

It's pretty simple

Sq. Footage and R

R R

U values

Duct Multiplier

ACH and ACH

and

Ventilation

Limited Range in New

Construction!It's an educated guess!

This is the old

Greek Formula:

40K
60K
80K
100K
K 120K

Selection

Process

5 Choices

M anual J Cooling Load Inputs

Critical Inputs include windows and Internal gain

Selection

Process

Square Footage, U values

Windows

ACH and ACH

and

Ventilation

Duct Multiplier

Internal Gains

It's an estimate! U value SHGC.

Shading, OrientationSurface areas, attics,

walls ,floors and R values

Narrower range in new

constructionHumans plus all their stuff that plugs in. Its growing fast 1.5 2.0 2.5 3.0 3.5quotesdbs_dbs7.pdfusesText_5