Efficiency or heat pump only
The unit relies on the heat pump alone. It is built to use the least electricity and it recovers more slowly when a lot of hot water is used.
Heat pump water heater installation
Thinking about a hybrid (heat pump) water heater? Learn how it works, what space, power and drain it needs, how to size it and what rebates to ask about, then call to reach a local Aurora pro.
The basics
A hybrid water heater, also called a heat pump water heater, is an electric tank heater with a heat pump on top that gathers heat from the air around it.
Hybrid water heater installation Aurora homeowners ask about usually starts with one question: what makes it different from the electric tank next to the furnace? A hybrid electric water heater still stores hot water in a tank, but most of its heat comes from a small heat pump that moves warmth out of the surrounding air and into the water. Electric heating elements stay on board as a backup for heavy demand or a cold room.
Heat pump water heater installation Aurora CO crews carry out is closer to a careful setup than a simple swap. The unit is taller than a standard tank, it needs room to breathe, it makes condensate that must drain somewhere and it often needs its own electrical circuit. Getting those four things right before the unit arrives is what separates a smooth day from a return trip.
This page explains how the unit works, what your space needs, how to size one, what rebates to ask about and what the visit looks like. If you are still choosing between tank types, our general water heater installation page covers gas and standard electric tanks.
A complete quote should show every one of these lines, so you can compare one installer with another.
How it works
A fan pulls room air across a cold coil, the coil absorbs heat, and a compressor moves that heat into the water.
The easiest way to picture how a hybrid water heater works is as a refrigerator running backwards. A refrigerator moves heat out of a cold box and into your kitchen. A heat pump water heater moves heat out of nearby air and into a tank of water. Because it moves heat instead of creating all of it, a hybrid unit is built to use less electricity than a standard electric tank. The air that leaves is cooler and drier than the air that went in.
The diagram shows the path. Warm room air enters the heat pump head, the heat is passed to the water, cooler air leaves and the moisture pulled out of the air drips away as condensate.
Names differ by maker, so your manual is the final word, but most units offer a similar set of choices.
The unit relies on the heat pump alone. It is built to use the least electricity and it recovers more slowly when a lot of hot water is used.
The heat pump does the main work and the electric elements join in when demand is high. This is the everyday choice for many households.
The electric elements do the heating for fast recovery, which costs more to run. It is useful for a full house or a cold room.
The unit holds a lower temperature while no one is home and returns to normal before you arrive.
Pros and cons
A hybrid unit suits many homes and not every home. Here is an honest look at both sides.
Pro tip
Walk through the room with the installer before you buy. Most hybrid problems come from the space, such as a closet that is too small or a garage that is too cold, not from the unit.
Comparing types
Each type has a job it does best. This table sets them side by side on the points that decide most choices.
| Type | Strength | Watch out for |
|---|---|---|
| Hybrid (heat pump) | Built to use less electricity than a standard electric tank. | Space, air flow, noise, condensate and a higher purchase price. |
| Standard electric tank | Simple and inexpensive up front, with no air or drain needs. | Higher running cost than a heat pump unit. |
| Gas tank | Heats quickly and works in a gas home. | Needs a vent and gas line, and a gas-safety check. |
| Tankless | Heats on demand and takes less wall space. | Gas or heavy power, venting, and scale in hard water. |
Both are electric tanks, so the plumbing looks familiar. The hybrid adds the heat pump head, so it costs more at the start and needs more room and a drain. In return it is designed to use less electricity once it is running. If your standard electric heater has failed, our electric water heater repair page helps you decide between fixing it and moving up.
A tankless unit has no tank and heats water as you use it, so it suits a home that wants endless hot water and has the gas and vent for it. A hybrid keeps a tank and a stored supply, so it suits a home with the space, the power and a mild room. If tankless interests you, read our tankless water heater installation guide and compare the two on your own home.
Space and power
The room matters as much as the unit. Check these six items before you order.
A heat pump needs a good volume of air to draw from, and open space on the sides and above. A tight closet can starve it, so the maker lists a minimum room size and clearances in the manual.
Heat pump units work within a stated ambient temperature range. A cold garage or unheated basement in an Aurora winter may drop below it, and the unit then leans on its electric elements.
The heat pump head makes the unit taller than a standard tank. Measure the ceiling, the door and any beams between the old heater and the new place.
Many models need a dedicated 240-volt circuit, and some run on 120 volts. The electrician checks the panel, the breaker size and the wire.
The unit pulls water from the air, so it needs a floor drain, a sloped line or a condensate pump. The drain should end somewhere safe.
The fan and compressor make a hum, and the air that leaves is cooler. Think about the room next door and how the cooled air affects the space.
Colorado licenses plumbers and electricians at the state level, so ask who will do the electrical and plumbing work and confirm each license with the state licensing office. For a unit that goes in a finished area, ask whether the air can be ducted.
Sizing
A hybrid water heater size is set by the first-hour rating, not just the tank size in gallons.
The first-hour rating is the amount of hot water a heater can deliver in the first hour of heavy use, starting with a full tank. It is printed on the yellow energy label. Pick the rating that covers your busiest hour, which for many homes is the morning, when showers, a dishwasher and a load of laundry can overlap.
To size a hybrid water heater, count the people in the home, the bathrooms, large soaking tubs and the appliances that run at the same time. A heat pump unit recovers more slowly than an electric one in heat pump mode, so a household with heavy demand may be better served by the hybrid mode or by a larger tank.
Ask about: a smaller tank with a good first-hour rating.
Ask about: a mid to large tank and hybrid mode.
Ask about: the largest tank, or a different type.
The visit
A hybrid installation follows a clear order, and these are the stages you should expect.
The pro looks at the room, the air space, the ceiling height, the panel, the drain and the path from the old heater to the new place.
You receive the unit, electrical work, drain, permit and disposal in writing, with an arrival window.
Power and water are shut off, the old tank is drained, disconnected and carried out.
The new unit is set, water, relief valve, condensate and electrical connections are made and checked.
The tank is filled, air is purged, joints are checked for leaks and the unit is powered up and tested in its modes.
You see the controls, the air filter, the drain and the shutoffs, and you receive the warranty and maintenance notes.
Cost and rebates
A firm hybrid water heater installation cost comes only from a visit to your home. These are the levers behind it.
A hybrid water heater installation cost is higher at the start than a basic electric tank, because of the heat pump head and the extra work. The unit is only part of the price. The panel, the circuit, the drain and the removal all count.
| Price driver | What it means | Savings tip |
|---|---|---|
| The unit | Brand, tank size and efficiency set the base price. | Size by first-hour rating, not by habit. |
| Electrical work | A new circuit, breaker or panel work adds cost. | Ask whether a 120-volt model fits. |
| Condensate handling | A pump costs more than a gravity drain. | Place the unit near a floor drain. |
| The space | Tight spots may need ducting or a move. | Pick a roomy, mild place. |
| Permit and disposal | These may be bundled or billed apart. | Ask for each on its own line. |
| Warranty | Stronger coverage adds to the quote. | Compare what each warranty covers. |
Utilities, the state and the federal government have all offered programs for heat pump water heaters at different times, and each has conditions on the model and the buyer. Programs change, so ask your electric utility and the installer what is currently offered before you buy. Keep the model number, the invoice and the date, since many programs ask for them.
Care
Hybrid water heater maintenance is light, but it is not optional.
If a code appears or water pools, shut off the power and water to the unit and call a pro.
Our water heater maintenance page walks through flushing and the relief valve, which apply to a hybrid tank as well.
Choosing a pro
A search for a heat pump water heater installer near me brings up many listings, so these six checks help sort them.
The provider you reach answers these questions, so ask each one the same list. To start, call one of the local water heater pros and describe your space.
Common questions
Clear answers to what Aurora homeowners ask before they choose a heat pump water heater.
A hybrid water heater, also called a heat pump water heater, pulls heat from the surrounding air and moves it into the water in the tank instead of making all the heat directly. Most models also include electric heating elements that join in when demand is high or the room is cold.
The price depends on the unit, the electrical work, the condensate drain, the space and the removal of the old heater. Ask for a written estimate that lists each of those lines, and ask what rebates or incentives are currently offered.
Many households choose a hybrid water heater because it is built to use less electricity than a standard electric tank. Whether it suits you depends on the space, the room temperature, the noise and the upfront cost, so compare both on paper before deciding.
It depends on the model. Heat pump units work within a stated ambient temperature range, and a cold garage in an Aurora winter may fall outside it. Check the manual, and expect the unit to lean on its electric elements when the room is cold.
Size by the first-hour rating, which shows how much hot water the heater can deliver in the first hour of heavy use, and match it to your busiest hour. Household size, the number of bathrooms and the appliances you run together all matter.
Many models run on a dedicated 240-volt circuit, and some run on 120 volts, so the model decides. A heat pump also makes condensate, so it needs a drain or a condensate pump nearby. A pro should confirm both before the unit is ordered.
Utility, state and federal programs for heat pump water heaters change over time and have conditions. Ask your electric utility and the installer what is currently offered, and keep the model number and invoice in case you need them to apply.
Clean the air filter on the schedule in the manual, keep the area around the unit clear, flush the tank and check the condensate drain, and test the temperature and pressure relief valve. A yearly service visit keeps the details from slipping.
Considering a heat pump water heater?
Share your space, your current heater and your hot water needs, and get connected with a local pro.
(720) 731-0548