Water Heating Systems
Learn how to evaluate your water heating and pool heating systems and determine the feasibility of more energy efficient systems.
Water Heating Evaluation
To evaluate a potential water heating system for your home or your existing water heater, see the following information:
- Determining Water Heater Efficiency
- Sizing a Water Heater
- Estimating and Comparing Water Heating Costs
- Fuel Types, Availability and Costs for Water Heating.
If you haven't chosen a particular water heating system, you may want to start with our information about selecting a new water heater, which also includes information about the types of water heaters available.
Water Heating Calculators
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Electric/Gas Water Heater
Estimate the lifetime energy savings of electric and gas water heaters with various levels of energy efficiency. From the U.S. Department of Energy
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Solar-Estimate.org
Estimate the price, savings, and system size of solar energy systems to produce electricity, heat your water, or heat your spa or pool. A non-profit project of Energy Matters LLC, developed with support from several non-profits and government agencies.
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Solar Water Heating Calculator
Determine your water heater's energy usage and estimate whether a solar water heater could save you money. From the Texas State Energy Conservation Office.
Swimming Pool Heating
For evaluating swimming pool heating systems, see the following:
- Sizing a Gas or Heat Pump Swimming Pool Heater
- Estimating Heat Pump Swimming Pool Heater Costs and Savings
- Determining Heat Pump Swimming Pool Heater Efficiency
- Comparing Solar Swimming Pool Heating System Costs
- Determining the Efficiency of Solar Swimming Pool Heating System
- Sizing a Solar Swimming Pool Heating System.
If you haven't chosen a particular swimming pool heating system, you may want to start with our overview of available pool heating information.
