ELECTRIC HYBRID HEAT PUMP WATER HEATERS Rich Grimes Water Solutions Marketing

HEAT PUMP TECHNOLOGY 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 Tank-Type 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 1 2 3 4 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. In “efficiency” mode, the water heater operates in the following manner: A fan brings air through the top air filter Heat in the air is absorbed by the refrigerant inside the evaporator coil The refrigerant is pumped through a compressor, which raises the temperature Hot refrigerant is circulated through the copper coil and transfers heat to the water 1 2 3 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 3.3 yrs Total product life savings $4,320 Assumptions: State funding remains for ENERGY STAR products Utility rebates are available Product lifespan of 12 years

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

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