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    • On January 1, 2023, the 45L Tax Credit was revised to provide up to a $5,000 tax credit for most certified DOE Zero Energy Ready Homes (ZERH), including eligible manufactured homes. To qualify for certification, home builders need to achieve a total of at least 18 energy efficiency measurements points.

    A Rheem® Hybrid Heat Pump Water Heater could provide half of the 18-point requirement for ZERH certification.

    Calculate Savings

    • ZERH tax credit
    • savings calculator
    • why Rheem
    • the process
    • homeowner savings
    • resources

    Participating in the Department of Energy’s Zero Energy Ready Home (ZERH) program offers big incentives to manufactured home builders.

    savings calculator

    Reach 18 points to qualify for ZERH and a $5,000 tax credit

    A Hybrid Heat Pump Water Heater could provide half the points needed for ZERH certification*.

    Select your state to calculate your Energy Efficiency Measurement points and see how easily you can meet program requirements.

    your energy
    efficiency points
    19 /18

    Mandatory Minimum Requirements

    7.5

    Water Heater

    11.5

    Heating & Cooling

    9.0

    2.0

    2.5

    3.0

    Building Envelope

    12.0

    Lighting, Appliances & Water Fixtures

    0.5

    0.5

    0.5

    0.5

    A Hybrid Heat Pump Water Heater could provide half the points needed for ZERH certification*.

    Hybrid Heat Pump Water Heater

    climate zoning map

    Points for ZERH qualification depend on the zone where your houses reside. See map for climate zone boundaries.


    *Climate Zone boundaries as established by the Energy Conservation Standards for Manufactured Homes.

    Creating energy efficient homes requires effort, the right partners and the right products.

    From engineers and plumbers, to product managers and account leads, at Rheem, we have a team of experts to help you navigate this program and select the right water heater to maximize points.

    Installing a heat pump water heater is a critical component for meeting the energy-saving requirements of the ZERH program. Depending on climate zone, a Rheem Hybrid Electric Heat Pump Water Heater could earn up to 13 of the 18 points needed to quality for tax credit.

    We know the process. Let our experts help support you every step of the way.

    Become certified in DOE Zero Energy Ready Homes.

    Our dedicated team will help you navigate the sign-up process for the ZERH program and explain what’s needed to become eligible for participation.
    Evaluate your points.

    Depending on climate zone and location of your site, a Rheem Hybrid Electric Heat Pump Water Heater could earn up to 13 of the 18 points needed to qualify for tax credit – the most points available for qualifying energy-efficient products.

    Identify what additional energy-efficiency requirements best align with your home building process to get to a total of 18 points.
    Install Rheem Heat Pump Water Heaters in your manufactured homes.

    With our expert engineers, plumbers and installers, we can help guide your plants on incorporating this product into your facilities and train your builders on the installation of the heat pump water heater.

    Unlike standard electric water heaters, Rheem® Hybrid Heat Pump Water Heaters draw energy from surrounding air to heat water—reducing annual energy costs and saving homeowners hundreds of dollars on utility bills.

    1Based on $0.14 kW per hour as stated on the EnergyGuide label. Costs vary based on on state and kW / h.
    2Based on the comparison of a 50-gallon Rheem Hybrid Electric model to a standard electric water heater of like capacity with minimum efficiency.

    energy efficiency education

    what is
    Zero Energy Ready
    Home (ZERH)?

    Department of Energy (DOE) Zero Energy Ready Home (ZERH) is a high-performance home that is so energy efficient that a renewable energy system could offset most or all the home’s annual energy use. Each home meets rigorous efficiency and performance criteria and are verified by a qualified third-party as part of the certification process.

    Most types of new homes in the U.S. are eligible to participate, and certified homes are eligible to receive the Federal 45L Tax Credit – up to $5,000 per home, until 2032.

    what changed
    with IRS Code
    Section 45L?

    The Inflation Reduction Act of 2022 (IRA) amended Internal Revenue Code Section 45L to provide eligible home builders with a business tax credit of up to $5,000 for eligible newly constructed homes that meet applicable ENERGY STAR home program or DOE Zero Energy Ready Home (ZERH) program requirements.
    Learn more here.

    what are the ENERGY STAR®
    Manufactured Program
    requirements?

    The ENERGY STAR Manufactured New Homes (MH) program requirements apply to manufactured homes, which are defined as homes built in a factory and are subject to the federal Manufactured Home Construction and Safety Standards (commonly referred to as the HUD Code).

    *Home builds must meet the Mandatory Efficiency Requirements in DOE ZERH program documentation, Exhibit 1, to earn points for energy efficiency measurements listed below and achieve a total of at least 18 (eighteen) points for certification.

    learn more

    Your certification is just steps away.
    Let’s get started.

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