About the author

My photo
An alternative energy specialist, inventor, author and hydronic systems product development engineer with over 37+ years of experience in design, manufacturing and sales of alternative energy systems including solar, geothermal, radiant floor, waste heat recovery, thermal storage and software integration of energy systems for process.

Sunday, June 19, 2011

Just added a Solar Domestic Hot Water calculator below that helps you determine what it costs you to heat your domestic hot water with both gas or electric and what a crude payback would be with solar hot water.
Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

SOLAR DOMESTIC HOT WATER CALCULATOR

Water Heating Calculator

Domestic Hot Water Calculator
Water Heater Characteristics
Physical Thermal
Diameter (feet) Water Inlet Temperature (Degrees F)
Capacity (gallons) Ambient Temperature (Degrees F)
Surface Area (calculated - sq ft)  Hot Water Temperature (Degrees F)
Effective R-value Hot Water Usage (Gallons per Day)
Energy Use
Heat Delivered in Hot Water (BTU/hr)
Heat loss through insulation (BTU/hr)
Gas vs. Electric Water Heating
Gas Electric
Overall Efficiency
Conversion Efficiency 0.98
BTU/hr Power Into Water Heater BTU/hr 
Cost
$/Therm Utility Rates $/kWh
$ Yearly Water Heating Cost $
Do Alternative Energy Measures Make Sense?
Alternative Measure Cost: $ Percentage Solar: 
years for gas Payback Time for Alternative Measure years for electric
[BACK TO TOP]

Build Your Own Hydronic System

BUILD A SYSTEM

This page will allow you to assemble your own, fully integrated Hydronic Heating and/or Cooling systems. By your selection from the options below you can calculate the equipment cost of your next system. .

Step 1: Enter your information below

  • Name
  • Company
  • Address
  • City State Postal Code
  • Phone Fax or E-mail
  • Job Name (optional)

Step 2. Select your range of Heat Loss:

Step 3. Enter your Radiant Floor Area: Sq. Ft. (optional)

Step 4. Select your System Type:

Step 5. Select your Fuel Type:

Step 6. Select your System Options:

NOTE:The systems shown here are representative only! Your actual system may vary

©Copyright 2009 EnergyDesignStores.com. All Rights Reserved.

RESIDENTIAL ENERGY CALCULATOR

Select Conversion:
 
 
 
        
  Constant Record
Select the Year and Energy Factor you want to copy to the Calculator*
1996        2000        2010        2020      
  
*Energy Factors are based on data from the Annual Energy Outlook 1998, published

by the Energy Information Adminsitration (EIA).