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ELECTRIC HYBRID HEAT
PUMP WATER HEATERS
Rich Grimes
Water Solutions Marketing
HEAT PUMP TECHNOLOGY
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Concept
History
Design
Integrated Design
Energy Savings
NAECA Standards 2015
HEAT PUMP OPERATION
• Use of
condenser side
for heating
• Use of
evaporator side
cooling
• Has been
effectively
applied to water
heating
• Domestic
• Pool
• Residential
• Commercial
ECU SYSTEMS
• Field Installed ECU System
ECU SYSTEMS
• Popular in late 1970’s and 1980’s
• ECU = “Energy Conservation Unit”
• Utilized an external Heat Exchanger and
Circulating Pump or Passive
• Very Effective in Florida
• Users could operate 10+ months per year
on ECU only
• Huge savings on electricity
• Reduced stress on Heat Pump or A/C
HYDRO-HEATING SYSTEMS
HYDRO-HEATING SYSTEMS
• Popular in late 1970’s and 1980’s – still alive and well
• Utilized the water heater (typically gas-fired) for heating
the home
• Use stored energy in water heater to circulate a heating
coil for domestic heat in winter months
• Open Loop domestic hot water
• Hot Water inside coil – Air blown across outside of coil
• Incorporated with “straight cool” systems
• Eliminated use of heat strip electric heating
• Reduced Electrical cost
• Increased Gas cost
• Very effective dehumidification
• Integrated “Apollo” systems (water heater, heating coil
and pump) introduced
HYDRO-HEATING / RADIANT
• Packaged systems are sold
today that include the heating
source (Tankless or TankType Gas) and a “straight
heat” coil.
• Radiant panel heating is also
very popular today – consists
of PEX tubing in slab or wall,
under tile, etc. with circulated
hot water in tubing
• Other methods such as
Geothermal, Water Source
Heat Pumps, “Combi”
Hydronic Boiler with Indirect
Storage Tank, Solar
HYDRO-HEATING / RADIANT
INTEGRATED DESIGN
The Premier® Hybrid Electric is an integrated
system that utilizes heat pump technology to pull
heat from the surrounding air and deposit the
heat into the tank.
1
2
3
In “efficiency” mode, the water heater operates in the
following manner:
1
A fan brings air through the top air filter
2
Heat in the air is absorbed by the refrigerant inside the evaporator coil
3
The refrigerant is pumped through a compressor, which raises the temperature
4
Hot refrigerant is circulated through the copper coil and transfers heat to the water
4
AVAILABLE TANK SIZES
• 50 Gallon
• 65 Gallon
• 80 Gallon
ADVANCED ELECTRONIC CONTROLS
OPERATING MODES
HIGH EFFICIENCY
• Hybrid electric design: Integrates heat pump
technology
– Conserves energy; less than half the cost
to operate compared to standard electric
model
•
Standard electric units are .93 to .95 EF
– Hybrid Heat Pump - The only type
of electric water heater that is
ENERGY STAR® qualified
• 66 and 80 Gallon Models
• 2.3 EF
• 50 Gallon Model
• 2.78 EF
STANDARD ELECTRIC vs. HEAT PUMP
AVERAGE HOME ENERGY USAGE
ENERGY COST PER YEAR
PAYBACK vs. STANDARD ELECTRIC
Payback Scenario
MSRP
$1,995
Federal Tax Credit (10%)
-$200
SEEARP (State ENERGY STAR Rebate) -$200
Utility Rebate
-$100
Standard 50 gallon electric cost
-$300
Upgrade cost delta
$1195
Annual cost of operation savings
$360
Payback
Total product life savings
Assumptions:
State funding remains for ENERGY STAR products
Utility rebates are available
Product lifespan of 12 years
3.3 yrs
$4,320
NAECA 2015 STANDARDS
• NAECA (National Appliance Energy
Conservation Act)
• Phase I – Effective 1990
• Phase II – Effective 2004
• Phase III -Effective April 15, 2015
• Mandates higher EF on all models 20 to
55 Gallon (Increased foam insulation)
• Mandates Hybrid Heat Pump technology
on all electrics over 55 Gallon
NAECA 2015 STANDARDS
QUESTIONS OR
COMMENTS?
Thank You for your time!