Normal Yearly Operating Data

(Cooling Hours based on 75°F. indoor temperature with

 

air conditioner sized to meet the design conditions.)

 

ASHRAE

 

Location

Heating

Estimated

 

Degree

Cooling

 

Days

Hours

ALABAMA

 

 

Birmingham

2,551

1,390

Huntsville

3,070

1,340

Mobile

1,560

1,640

Montgomery

2,291

1,580

ARIZONA

 

 

Flagstaff

7,152

310

Phoenix

1,765

2,280

Tucson

1,800

1,920

Yuma

974

2,520

ARKANSAS

 

 

Fort Smith

3,292

1,410

Little Rock

3,219

1,330

CALIFORNIA

 

 

Bakersfield

2,122

1,530

Fresno

2,611

1,210

Los Angeles

2,061

310

Sacramento

2,502

1,030

San Diego

1,458

390

San Francisco

3,015

110

COLORADO

 

 

Colorado Springs

6,423

520

Denver

6,283

550

Grand Junction

5,641

910

CONNECTICUT

 

 

Hartford

6,235

480

D.C.

 

 

Washington

4,224

1,010

DELAWARE

 

 

Wilmington

4,930

770

FLORIDA

 

 

Jacksonville

1,239

1,690

Miami

214

2,850

Orlando

766

1,930

Tallahassee

1,485

1,500

Tampa

683

2,350

GEORGIA

 

 

Atlanta

2,961

1,130

Augusta

2,397

1,400

Macon

2,136

1,440

Savannah

1,819

1,510

IDAHO

 

 

Boise

5,809

670

Lewiston

5,542

600

Pocatello

7,033

570

ILLINOIS

 

 

Chicago

6,155

780

Moline

6,408

760

Springfield

5,429

890

INDIANA

 

 

Evansville

4,435

1,090

Fort Wayne

6,205

710

Indianapolis

5,699

820

South Bend

6,439

600

IOWA

 

 

Burlington

6,114

730

Des Moines

6,588

710

Sioux City

6,951

770

KANSAS

 

 

Dodge City

4,986

1,020

Goodland

6,141

800

Topeka

5,182

880

Wichita

4,620

1,070

 

 

 

 

ASHRAE

 

Location

Heating

Estimated

 

Degree

Cooling

 

Days

Hours

KENTUCKY

 

 

Lexington

4,683

830

Louisville

4,660

1,130

LOUISIANA

 

 

Alexandria

1,921

1,670

Baton Rouge

1,560

1,860

New Orleans

1,385

1,790

Shreveport

2,184

1,470

MAINE

 

 

Portland

7,511

290

MARYLAND

 

 

Baltimore

4,654

850

MASSACHUSETTS

 

 

Boston

5,634

500

MICHIGAN

 

 

Detroit

6,293

590

Flint

7,377

440

Grand Rapids

6,894

530

MINNESOTA

 

 

Duluth

10,000

200

Minneapolis

8,382

550

MISSISSIPPI

 

 

Jackson

2,239

1,560

MISSOURI

 

 

Columbia

5,046

960

Kansas City

4,711

1,210

Springfield

4,900

970

St. Louis

4,900

1,080

MONTANA

 

 

Billings

7,049

520

Glasgow

8,996

410

Great Falls

7,750

420

Missoula

8,125

350

NEBRASKA

 

 

Grand Island

6,530

770

Omaha

6,612

750

NEVADA

 

 

Ely

7,733

500

Las Vegas

2,709

1,980

Reno

6,332

520

NEW JERSEY

 

 

Newark

4,589

710

NEW MEXICO

 

 

Albuquerque

4,348

1,040

Clayton

5,158

720

Silver City

3,705

1,260

NEW YORK

 

 

Albany

6,875

480

Binghamton

7,286

310

Buffalo

7,062

450

New York

4,811

790

Rochester

6,748

470

Syracuse

6,756

500

NORTH CAROLINA

 

 

Asheville

4,042

690

Charlotte

3,191

1,230

Raleigh

3,393

1,070

Winston-Salem

3,595

960

NORTH DAKOTA

 

 

Bismarck

8,851

510

Fargo

9,226

490

Williston

9,243

580

 

 

 

 

ASHRAE

 

Location

Heating

Estimated

 

Degree

Cooling

 

Days

Hours

OHIO

 

 

Cincinnati

5,265

840

Cleveland

6,351

610

Columbus

5,660

810

Dayton

5,622

740

Toledo

6,494

590

OKLAHOMA

 

 

Oklahoma City

3,725

1,200

Tulsa

3,860

1,410

OREGON

 

 

Medford

5,008

620

Pendleton

5,127

590

Portland

4,635

270

PENNSYLVANIA

 

 

Harrisburg

5,251

730

Philadelphia

5,144

810

Pittsburgh

5,987

590

Scranton

6,254

440

Williamsport

5,934

600

RHODE ISLAND

 

 

Providence

5,954

470

SOUTH CAROLINA

 

 

Charleston

2,033

1,390

Columbia

2,484

1,440

Greenville

2,980

1,120

SOUTH DAKOTA

 

 

Rapid City

7,345

580

Sioux Falls

7,839

610

TENNESSEE

 

 

Chattanooga

3,254

1,180

Knoxville

3,494

1,070

Memphis

3,232

1,320

Nashville

3,578

1,220

TEXAS

 

 

Corpus Christi

914

2,380

Dallas

2,363

1,900

El Paso

2,700

1,580

Houston

1,396

1,850

Lubbock

3,578

1,310

San Antonio

1,546

1,920

UTAH

 

 

Milford

6,497

910

Salt Lake City

6,052

830

VERMONT

 

 

Burlington

8,269

130

VIRGINIA

 

 

Norfolk

3,421

1,010

Richmond

3,865

1,020

Roanoke

4,150

870

WASHINGTON

 

 

Seattle

5,145

180

Spokane

6,655

430

Yakima

5,941

530

WEST VIRGINIA

 

 

Charleston

4,476

860

Huntington

4,446

820

WISCONSIN

 

 

Madison

7,863

530

Milwaukee

7,635

450

WYOMING

 

 

Casper

7,410

600

Cheyenne

7,381

420

Sheridan

7,680

530

 

 

 

Formula for Calculating Operating Costs Using Above Data:

Heating* -

Heat Loss KW x Heating Degree Days x “C” x Cost per KWH

= Operating Cost

Outdoor Design Temperature Difference

 

 

*The above formula is for electric resistance heating only. Power consumption using the Zoneline Heat Pumps should be adjusted by Seasonal Performance Factor (SPF).

The local power supplier should be consulted for recommended value of “C.” This factor will vary between 17 and 24.

Cooling -

Calculated Heat Gain (BTUH)

x

Unit Cooling Watts

x Cooling Hours x Cost per KWH = Operating Cost

 

Installed unit capacity (BTUH)

 

1000 Watts/KW

 

47

Page 47
Image 47
GE 5500 manual Normal Yearly Operating Data, Formula for Calculating Operating Costs Using Above Data

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