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Heat Pumps: Everything You Need to Know - EnergySage

Aug. 11, 2025

Heat Pumps: Everything You Need to Know - EnergySage

  • In cooling mode, a heat pump absorbs heat from your warm, stuffy house and dumps it outside using all the same components and tricks of physics as a traditional AC system. It also reduces indoor humidity.

    If you want to learn more, please visit our website.

  • In heating mode, it runs in reverse, soaking up heat outside your home (yes, even when it's really cold outside), and moving it indoors.

  • If you switch from an electric, fuel oil, or propane heating source. A heat pump study by the National Renewable Energy Laboratory (NREL) found that homeowners saw a median annual savings of $300-$650.

  • If you live in a warm climate. Heat pumps are very efficient in warm climates.  You can invest in a more affordable model because you don’t need to splurge on the high-performance heat pumps that heat homes in colder climates.

  • If you want built-in cooling but don’t have ductwork. Installing a ductless mini-split is cheaper and less invasive than retrofitting all new ductwork and adding a central air conditioner.

  • Schedule an appointment through the installer’s website or over the . If it’s an emergency heater replacement (say your system dies during a cold snap), you can usually find a contractor who will arrive on the same day.

  • A property walkthrough with a contractor (this may or may not be the first site visit) so they can see your existing heating system and ducts (if applicable). They’ll take measurements and scope out where to place the new equipment. They’ll also check your electrical panel to make sure it can support a heat pump—if not, you may need an electrical upgrade first.

  • Get a quote. Some installers will give you a quote on the spot, while others will follow up with a quote later.

  • Explore Solutions Air Source Heat Pumps | EnergizeCT

    Air Source Heat Pumps

    Air source heat pumps are a flexible and energy-efficient way to heat and cool your home, multifamily property, or business.

    Air Source Heat Pumps

    Air source heat pumps are a flexible and energy-efficient way to heat and cool your home, multifamily property, or business.

    Air Source Heat Pumps

    Air source heat pumps are a flexible and energy-efficient way to heat and cool your home, multifamily property, or business.

    Air Source Heat Pumps

    Air source heat pumps are a flexible and energy-efficient way to heat and cool your home, multifamily property, or business.

    Air Source Heat Pumps

    Air source heat pumps are a flexible and energy-efficient way to heat and cool your home, multifamily property, or business.

    An air source heat pump is an energy-efficient system that extracts heat from the outside air to heat your home or business during colder months and reverses the process to provide cooling during warmer months. They also improve indoor comfort by dehumidifying the air, making them a versatile choice for year-round comfort.

    Residential

    Commercial

     Air Source Heat Pump Express Incentive
    Available for businesses installing air source heat pumps, offering financial incentives for equipment upgrades.   

    Energy Optimization Incentive
    Available for commercial and industrial properties replacing natural gas, oil, propane, or electric resistance heating systems with an energy-efficient heat pump. These rebates help maximize savings and improve overall system efficiency.  

    Benefits

    • Comfort: Get all-in-one heating, cooling, and dehumidification
    • Flexibility: Air source heat pumps provide a flexible option for any space—install them in a single room or your entire home or business. Choose between ductless units or use existing ductwork with a centrally-ducted system for added convenience.
    • Efficiency: Achieve up to 2-3 times more efficiency—for every one unit of energy used to power a heat pump, up to four units of heat energy are supplied
    • Environmental impact: Reduce your carbon footprint by emitting less greenhouse gas emissions

    Incentives & Financing

    Single Family (1-4 housing units)

     INCENTIVES

    Air Source Heat Pump Incentive: $250 per ton, up to $15,000 combined incentive for qualifying models

    Energy Optimization Incentive: $750 per ton, up to $15,000 combined incentive for qualifying models. 

    Federal tax credits may be available. Learn more about the IRA tax credits here or speak to your tax preparer.

     FINANCING

    Micro Loan

    Smart-E Loan

    Multifamily (5 or more housing units)

     INCENTIVES

    CENTRAL/COMMON AREA AIR SOURCE HEAT PUMPS:

    Market Rate:

    • Up to $250 per ton when replacing existing heat pumps
    • Up to $1,000 per ton when displacing electric resistance, oil or propane as primary heating fuel
    • Up to $750 per ton when displacing natural gas as primary heating fuel
    • Up to $500 per unit for packaged terminal heat pumps

    Income Eligible

    • Up to $500 per ton when replacing existing heat pumps
    • Up to $1,875 per ton when displacing electric resistance, oil or propane as primary heating fuel
    • Up to $750 per ton when displacing natural gas as primary heating fuel
    • Up to $750 per unit for packaged terminal heat pumps

    CENTRAL SYSTEMS:
    Market Rate: Up to $1,500 per ton
    Income Eligible: Up to $1,750 per ton

     FINANCING

    Multifamily Clean Energy Financing

    Commercial

    Goto Zhongkeneng to know more.

     INCENTIVES

    Air Source Heat Pump Express Incentive: Up to $250 per ton combined incentives for qualifying models 

    Energy Optimization Incentive: Up to $1,500 per ton combined incentives for qualifying models

    C-PACE

    National Energy Improvement Fund

    Small Business and Municipal Loans

    Information & Tips

    There are both ducted and ductless heat pumps making them suited to homes and businesses with or without existing ductwork.

    • Ductless heat pumps, also known as mini splits, are an efficient alternative for heating and cooling areas without existing ductwork or where ductwork would be difficult to install.
    • Ducted air source heat pumps are an efficient way to heat and cool your home or business using existing ductwork.
    • Efficiency First: Before installing a heat pump,  weatherize your home to enhance comfort, reduce energy use and greenhouse gas emissions, and improve equipment efficiency and lifespan.

    Ductless heat pumps have three main parts: an indoor unit that mounts on the floor, wall, or ceiling; an outdoor unit that typically sits on the ground; and a remote control that operates the inside unit.

    Indoor and outdoor units are connected by small refrigerant lines, which carry heat between the two.

    Ducted heat pumps deliver conditioned air through air ducts. They have an exterior unit that extracts heat from the outside air, which is carried by refrigerant to an interior unit for distribution throughout your home or business. During the summer, they work in reverse to provide central air conditioning and keep you cool.

    (Source: ENERGY STAR)

    To pick the right heat pump for your home or business, consult with a qualified contractor that participates in the Energize CT Heat Pump Installer Network.

    If you find a system that is listed on the Energize CT Heat Pump Qualified Products List, and qualifies based on our Air Source Heat Pump Efficiency Ratings Chart, simply have your contractor purchase a qualifying heat pump on your behalf and you can take advantage of our instant discounts. When the installation is complete, work with your contractor to find out if you qualify for an additional energy optimization rebate.

    • Efficiency first: Before upgrading your heating system, consider preliminary measures, such as sealing and insulating your ductwork or completing weatherization work. Heat pumps installed in a properly weatherized home can dramatically improve comfort, and a tighter, more insulated home will not only save money on operating costs and reduce carbon emissions throughout the year - it may also allow you to buy smaller, less expensive equipment.
    • Electrical usage: A heat pump is an electrical system, so running one will add to your electrical use. In many cases, that additional electrical use is offset by savings elsewhere, such as a propane or oil heating fuel bill.
    • Quality installation: Heat pumps work best when correctly sized and designed for your home or business. Working closely with a qualified contractor will help ensure your system is designed to meet your heating and cooling needs

    Questions for your installer

    Compare the annual cost and carbon emissions savings from investing in a new heating and cooling system. The Clean Heating & Cooling Calculator can help you see how much upgrading your system to heat pumps would reduce your carbon emissions – and what it would mean for your home’s budget.

    How Air Source Heat Pumps Work

    Air source heat pumps move heat inside in the winter and draw heat outside in the summer. Instead of burning fossil fuels, like oil or propane, they use a refrigerant cycle, powered by electricity, to move heat and keep your home or business at a comfortable temperature year-round.

    (Source: ENERGY STAR)

    Air Source Heat Pump Case Studies

    Case Studies

    • Commercial Case Study

      Congregational Church of Salisbury

      Salisbury, Connecticut

    • Residential Case Study

      Jessica and Dana Albrycht

      Simsbury, Connecticut

    • Multifamily Case Study

      Concord Meadown
      Madison, Connecticut

    • Multifamily Case Study

      Four Seasons of Colchester
      Southeastern Connecticut

    Other Helpful Resources

    Other Helpful Resources

    • Learn more about heat pumps

      Download the heat pump brochure.

    • Heat pump user tips

      Get the most from your heat pump.

    • Questions for your installer

      Download a list of questions you can ask your installer.

    • Quality installation checklist

      Download the Air Source Heat Pump Quality Installation Check-list.

    • Explore Clean Heating and Cooling Technologies

      Explore a variety of clean heating and cooling technologies designed to enhance comfort and efficiency while reducing energy costs.

    Also Explore ➞

    Home Energy Assessments

    • Request an energy assessment of your home.
    • Receive customized energy-saving recommendations.
    • Get help implementing energy-saving measures from a technician or receive rebates and incentives to implement them yourself.

    Learn About Our Assessments

    Contact us to discuss your requirements of commercial air source heat pump. Our experienced sales team can help you identify the options that best suit your needs.

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