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Heat-pump
Electric
Hybrid
Heat cycle releases cool air into
room while
heat -exchanger heats water
inside tank.
Read more
$26+ savings
per month not supported by customer testimony.
Read
comparison
Read blog
Read about refrigeration cycle
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Rheem hybrid electric heat pump
Objective: Energy savings
Heat pump pulls heat from surrounding air
LCD control panel |
American hybrid electric
Objective: Energy savings
LCD control with three operation modes.
Back-up elements
Read specs |
GE heat pump Electric
Objective: Energy savings
Compressor and evaporator pull heat from surrounding air > LCD
control panel
Promo video & specs
Manual
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AO
Smith Voltex Electric Hybrid
Objective: Energy savings
Heat pump transfers heat to water + operation modes
LCD display |
Reliant heat pump
Easy-to-use touch pad
Powered anode rod for zero maintenance
4 operating modes
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State Hybrid Video
Objective: Energy savings
Manual
State electric manuals
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Stiebel-eltron-accelera-hybrid
Objective: Energy savings
✔Works more efficiently when room air temp is warm
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Compact heat pump
Objective: Energy savings
LCD control panel
66" x 22" compact size
China |
CO2 Heat Pump Water
Heater Development
Objective: Reduce energy and emissions; Replace refrigerants with CO2
Read 1 2 3
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University of South Florida water heating
system
Objective: Energy savings
"Adjusted cost of hot water = $85 per year" |
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Heat pump blows cold air into
room, which lowers ambient room
temperature and reduces amount of warm air needed for heat exchanger.
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Air
Generate- Air Tap
Objective: Energy savings
Heat pump added to top of existing tank. 7000 BTU consumes 2Kw per hour. |
Geyser Heat Pump
Promo blurb
Objective: Energy savings
6000 BTU consumes 1.75 KW for each hour of operation. |
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BTU
is amount of energy used to heat 1 pound of water 1 °F.
Water weighs 8.35 lbs/gal
3,413 BTUs in KW hour |
Water heaters, appliances and
devices should come with electric meter so facts can be accurately
measured and reported. |
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High-efficiency
& innovative Gas
Ordinary gas water heater 69% efficiency.
Tankless 79%.
Electric 99%. 'High efficiency' gas 90- 96%.
High efficiency
not same as energy savings.
Aircraft
carrier may be efficient but small ship is cheaper.
Read
more
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Objective: High-demand
121 Gal per hour recovery <> compare with regular gas 41
Gal per hour recovery |
Bradford White efficiency
Objective: Ultra-high efficiency, air quality, integration
with technology and exterior heat sources
Digital control located at top |
Rheem
Power Vent electronic gas heater
Objective: PV electronic control
Adjust temperature remotely
Self cleaning |
AO Smith Vertex "peak demand" Gas heater
Objective: High demand
Burner & blower at top deliver unlimited hot water
Diagnostic LCD |
American
high efficiency gas
Objective: efficiency & easy installation
Pressurized combustion
24V Electronic control
Powered anode rod - Read |
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AO
Smith "Next-hybrid"
Objective: efficiency & high demand
Uses secondary heat exchanger & buffer tank
Multiple modes |
Bradford White high recovery
Objective: high demand and conventional draft
76,000 BTU per hour so more hot water is available |
AO Smith Effex
Objective: Powered
Anode
40,000 BTU sealed system recycles hot combustion gas
Resettable FVIR
Read power anode rods |
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Customer
options
Customer options continued ...
.. products
shown are available in other brands
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State "sandblaster" commercial self cleaning
Objective: Long-term value Less sediment means more energy efficiency
Gold elements = long life |
Bradford
White Gas self-cleaning
Objective: Value, high demand:
66 Gal recovery
Efficient self-cleaning tank |
Bradford White energy saver electric
Objective: Energy savings
heat traps on pipes, 2" foam
insulation
Automatic controls |
Marathon electric by Rheem
Objective: long life
Insulated, self-cleaning, non-
corroding polybutene tank, oversized element parts for easy sediment
removal
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Bradford White low NOx water heater
Objective: Low nitrogen oxide emissions
75% less NOx than standard model while maintaining efficiency and water
temps |
Zenith copper-lined
Objective: anti-microbial & long tank life
99.99% pure copper
Self-cleaning
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SuperStor oil fired water heater
Objective: Low energy cost
Bock oil fired
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Phoenix
evolution
Objective: Combine all home heating into one appliance
Hot water, hydro air
Hot water baseboard heat
Solar assisted |
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Kenmore
Hydrosense
Objective: customer convenience, on-line reviews, write a review.
Honeywell electronic gas valve |
Whirlpool
energy smart electric water heater
Objective: Energy savings
Control on top of heater
4 operating modes
Read product details |
Hubbell
point of use
Objective: save water and money
Thermostat, low amps
Connect to wall switch
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Kenmore
tabletop
Objective: utility /appearance
Easy access control > set temperature higher on wash day
> 2" foam insulation.
Dual power option
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options |
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Immersion heater
Objective: now guests can stay in the barn
Put 120V electric heater in bucket of water > makes 150°
hot water |
Insinkerator Hot Water Dispenser
Objective: save water, save energy
Point of use hot water
Kohler,
Sunbeam, Franke, KitchenAid, Panasonic Others |
Pot heater
Objective: Fill pot and have hot water at any sink
12" tall heater heats plugs into 115V outlet
Dispenses 2-3 liters hot water into cup or sink
Use switch or timer |
NRG
Biogeyser
Objective: Savings
OWB: outdoor wood-fired boiler
Check local air quality rules |
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Solar:
Solar water heat is efficient use of solar energy
Solar tanks are made for higher temps.
Regular water
heater can be damaged by 180° F
solar temps.
Tempering valve
needed.
Check manual
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AO Smith cirrex solar assisted electric
heater
Objective: Solar heating
Energy star > 30% tax credit Claim: "70% water heating is
free" |
Rheem Solar series products
Objective: Solar heating
Slim solar panels provide free and natural way to heat water
Electric back up
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Bradford White EcoStor
Objective: Conserve energy, store solar heat
Choose gas or electric back up > ICON gas control
Integrated mixing device
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Chromagen solar tank
Objective: Store solar heat
International manufacturer
Back up elements
Insulated tank
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Bock Indirect Coil tank heater
Objective: Boiler heats hot water through coil inside water tank.
Ideal when home uses boiler
for heating |
Lochinvar solar storage tank
Objective: Store solar heat
Back up 4500 Watt element, foam insulation, 150 psi working pressure
Mfg in Tennessee Read |
Bock
solar tank
Objective: Store solar heat
Optional electric element back-up
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Triangle tube indirect multi-energy tank
Objective: Integration with solar, geothermal
Heat exchange coil
2" foam insulation |
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List of Do it yourself solar water heater
projects
Objective: Inexpensive Solar water heaters
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José
Alano solar collector from water bottles
Objective: Recycling, innovation, solar heating
Brazilliant from Brazil |
Gull Sun Coil
Objective: Absorb solar heat from all directions
Locate 6' diameter collector in hard-to-fit areas
5 gal per minute flow rate
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Timers
and controls
Protect
electronics from electrical surge
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American
Pacific Gas Water Heater Timer
Objective: Save energy
Do-it-yourself gas water heater timer
Read
details
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Bradford
White ICON gas water heater timer
Objective: Save energy
Gas valve communicates with timer and other features.
Gas water heater timer |
Whirlpool Energy-Smart
Objective: Save energy
Thermisters at top and bottom of tank monitor temperature more
accurately
Diagnostic LCD |
Honeywell Gas valve video
Objective: Market innovation
Gas valve sold to water heater manufacturers
Each manufacturer can bring unique innovations |
Compare 16 electric and 2 gas water heater
timers
Objective: Save money
Do-it-yourself timers save $15-20 per month |
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Rheem Honeywell Gas Valve
Gas valve communicates with electronic control at top of
heater
Read pdf |
ASAP
programmable water heater timer
5 available programs:
Program weekdays, weekend, day-off, vacations |
Programmable water heater timer on wall
Do-it-yourself water heater timer made from off-the-shelf parts
Costs about $80 |
AO Smith Intelli-Vent electronic gas valve
Self-diagnostic gas valve. Brand-specific gas valves control
increasingly complicated water heaters.
See error codes/ set temp |
Whirlpool
energy smart electric water heater
Objective: Energy savings
Control on top of heater
4 operating modes
Read product details
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Tweaks and
choices
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Passive solar water heater
Do-it-yourself
Use old 40 gallon tank and save money 7 months each year
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Off-peak water heater
Do-it-yourself
Wire water heater so one element is turned off during peak electric
prices
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9+ ways to save with water heater
Do-it-yourself
Simple efficiency steps with your gas and electric water heater
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Add tempering tank
Do-it-yourself
Pre-heat incoming cold water
with tank located in naturally warm area
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Motorized
shut off valve
Bradford White leak detection and inlet water shut off packages
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Intelligent
anode rod
Objective: Warn of anode rod depletion before tank rusts and ruptures, plus leak detection
Anode rod options |
Defender FVIR heaters
Objective: Re-settable flammable vapor protection
Customer re-settable
Read review
Read forum discussion
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How to install gas water heater
Save money by knowing how to install and maintain water heater
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Power anode rod
Objective: Long life for metal tank.
Anode rod options
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Demand
pump
Objective: save money, save water.
Quickly circulates hot water to distant faucet |
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Clean sediment from tank
Objective: Maintain efficiency |
Anode rods
Objective: Lengthen life of water heater tank |
Do it yourself water heater repairs and
information
Objective: Save money |
Troubleshoot electric water heater:
Objective: Save money |
Hot water circulation system on
timer
Objective: save money vs recirculation without timer |
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Avoid tankless hype
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Larger
image
Troubleshoot Rheem tankless
Read side-by-side test results
Read hidden cost of tankless
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Pressure
sensor fails |
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Hard-water/efficiency
Tankless
water heater efficiency drops > parts fail in 2 years without
water-
softener. De-liming does not restore efficiency. Read pdf |
American gas hybrid
Combines storage and tankless technology
Handles peak demand with no minimum flow rate and cold water sandwich.
American-size consumption.
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Preheat cold water
Pre-heat incoming cold water with tank located in naturally warm area |
Troubleshoot Rheem tankless
