Most of these old homes were designed to try to maximize natural ways of heating and cooling. This meant orienting the home in a direction where it received the most sunlight in winter and cool air in summer.

To supplement what they get from nature, most homes typically use traditional boilers and HVAC systems. While these systems might be adequate, in many cases they are not the most energy efficient, cost effective or carbon friendly. Heat pumps are more energy efficient, less costly to run and have a reduced carbon footprint compared to traditional HVAC systems.

A common question owners of old homes have however, is whether heat pumps can be installed in their old home. How suitable are heat pumps for old houses that may have existing HVAC systems like radiators? What would you need to do to retrofit a heat pump system in a situation like this?

What Type of Heat Pump Is Suitable For An Old House?

There are two main categories of heat pumps, namely air source heat pumps and ground source heat pumps. Either can be retrofitted to an existing home.

Retrofitting Air Source Heat Pumps

Air source heat pumps transfer energy from the surrounding air outside to heat or cool a home. This is through an Air-to-air or Air-to-water heat pump.

1. Air-to-air heat pumps are air-based systems since they circulate warm or cool air through ducts.
2. Air-to-water heat pumps are water-based systems since they regulate temperatures using water pumped through radiators and underfloor heating.

Pros

1. Air source heat pumps are less expensive compared to ground source heat pumps. The average cost for air source heat pumps is between £8,000 and £18,000.
2. Installation is also much easier and typically requires less space than a ground source system.
3. Can be fitted to existing radiators, duct work and hot water tanks.

Cons

1. Air source heat pumps are slightly less efficient than ground source heat pumps. This is especially the case for homes in extremely cold climates. One of the main drawbacks of heat pumps is they experience a sharp drop in efficiency when temperatures drop far below zero.

Retrofitting Ground Source Heat Pumps

Ground source or geothermal heat pumps draw energy from water circulating in pipes buried underground. There are two variants of a ground source system.

1. Horizontal ground source heat pumps lay a network of pipes horizontally or across an area of space underground.
2. Vertical ground source heat pumps use vertical boreholes sunk deep into the ground. Vertical pumps are more expensive and used where there isn’t enough space for a horizontal ground source heat pump.

Pros

1. Ground source heat pumps are more efficient and will generate more heat compared to an air source heat pump. This is because there is more latent energy in the ground than there is in the air.
2. This type of system also has a longer lifespan compared to an air source system.

Cons

1. Very high upfront costs. Geothermal systems cost between £20,000 to £35,000.
2. The complicated installation of a geothermal system makes it more suited for a new building than for a retrofit.

Verdict

Air source heat pumps are a better option for retrofits. They require much less space for equipment and are not as complicated to install. In contrast, ground source heat pumps require laying a network of piping that takes up a significant amount of space. Generally, geothermal systems are more recommended for new homes.

The much higher cost of a geothermal system is also another factor to consider. If you are unsure of the costs, get quotes here to compare.

Do Heat Pumps Work With Existing Radiators?

Heat pumps distribute heat through a home using radiators, underfloor heating and air ducts. Using heat pumps with existing radiators will likely require some slight adjustments since heat pumps work differently.

Heat pump systems produce and circulate heat slower than traditional heating. Retrofitting a heat pump using existing radiators that were designed with a traditional heating system to a heat pump needs to account for the slower flow rate. This would entail using a larger capacity heat pump.

Designing a heating system for a retrofit needs to consider the size of the home, heating demands, and insulation. From there, an installer will recommend what size heat pump and radiators are required. If the existing radiators are of the right size then the only thing left to work out is the capacity of the heat pump.

If however, the radiators are not of the right size needed to meet the demand, an installer will likely recommend you upgrade your radiators to a larger size or you increase the number of radiators. To get an idea of what this might cost, take our quiz and get a free quote.

The energy efficiency of a home plays a big part in the running costs of a heating system. Insulation will determine just how cost effective a heating system will be.

How Insulated Does A House Need To Be For A Heat Pump?

Insulation should be the first step to retrofitting a new heating system. Any cost savings or improvements in heating efficiency will literally go out the window of a home with poor insulation. Typical signs of poor insulation include:

1. Drafts in rooms where doors and windows are closed.
2. Mold could be a sign of excessive moisture coming in from a leaky roof for example.
3. A higher than average electricity bill.
4. Temperature fluctuations that see your home being hotter or colder than average.
5. Inconsistent temperatures throughout the house. Some rooms are hotter or colder than others.

Homeowners that improve their insulation see the highest returns when they invest in a heat pump.

How To Insulate An Older Home

The best ways to insulate an existing home is through double glazing, wall and loft insulation. Windows and doors are an easy passage for cold and hot air. Double glazing can reduce your bill by up to £100 a year according to the Energy Saving Trust.

Roofs have the most energy loss in a home. Insulating a loft generally has the most impact on making a home more energy efficient.

The post Can A Heat Pump Be Installed In An Old House? appeared first on Compare 24 - English.

According to official figures from the US Department of Energy, a heat pump can save you up to 50% more on your electric bill than either a furnace or baseboard heater. With such a strong incentive, getting a heat pump seems like an easy decision. So why are more people not rushing to install heat pumps?

For most homeowners, the biggest obstacle to buying a heat pump is the cost. Heat pumps are very expensive to buy and install outright. It’s a steep hurdle to overcome. Fortunately, there is an alternative that allows you to have a heat pump without paying the full cost upfront. 

You can lease rather than buy. In some ways, leasing offers all of the advantages of buying without any of the disadvantages. But is leasing really better than buying? What advantages if any does buying have? 

Let’s compare the pros and cons of each option to see which comes out on top.

Why Should You Buy A Heat Pump?

Heat pumps provide the best of both worlds in that they provide both heating and cooling. A heat pump bundles both a furnace and an air conditioner together in one piece of equipment. While the cost of either a furnace or air conditioner is typically less than a heat pump, a heat pump is cheaper than the combined cost of both.  

This is consistent with a report released by the Rocky Mountain Institute (RMI), a sustainability research and consulting organization. According to their report, mixed fuel homes with a gas furnace, water heating and an air conditioner have a higher upfront cost than homes that use a heat pump for heating and cooling.

Generally, a heat pump gives you more efficient heating and cooling. It also has potentially easier installation than traditional air conditioners for homes without air ducts. As it replaces both your air conditioner and furnace, it drastically reduces your carbon footprint.

Given the overall advantages of a heat pump, should you buy or lease?

Pros Of Buying A Heat Pump

Complete ownership

When you buy a heat pump it becomes yours to use and dispose of as you wish. One of the biggest incentives for buying versus leasing is that buying makes you eligible to receive tax rebates on your purchase. 

The Inflation Reduction Act lays provisions for homeowners who switch to energy efficient heating, cooling and water heating. In terms of the federal tax credit, homeowners can offset up to 30% of the total cost of purchasing and installation. 

The federal tax credit applies only to systems installed on and after 1 January 2023. The system also has to meet certain minimum efficiency requirements as laid out by the Department of Energy. 

Aside from the federal tax credits there are other state-administered rebates of up to $8,000 for a space heating and cooling heat pump and $1,750 for water heater heat pump. All of these incentives are applicable only if you own the system. Lease holders, however, are not eligible for rebates.

Financing

There is also financing available for heat pumps. In combination with rebates, financing can drastically reduce the upfront cost of buying a heat pump.

It’s a valuable investment

Heat pumps will raise the property value of your home. Energy efficient homes fitted with solar or heat pumps have a higher resale value and sell faster than homes without either. A study by Nature Energy found that homes with heat pumps sell for between $10,400 to $17,000 more. 

Higher lifetime savings

The cost of buying a heat pump is recouped over its lifespan. This can be up to $670 a year or $10,000 over 15 years. Leasing erodes those savings as leasing can have a higher price in the long run. 

Cons of Buying A Heat Pump

High initial cost

Price is the number one reason why more people have not bought into the idea of heat pumps. The initial outlay for a heat pump is between $1,000 to $6,000 depending on the type. Installation costs between $1,000 to $30,000 also depending on what type of heat pump it is. 

Maintenance and servicing

The initial price is not the only high price you pay when you opt to buy versus lease. As they perform the dual function of heating in the winter and cooling in the summer, heat pumps do double the work of either an air conditioner or furnace. 

This can make them more prone to wear and tear. Maintenance costs of a heat pump are on you as the owner. 

Why Should You Lease A Heat Pump?

There are two types of leasing plans for heat pumps. A standard lease is more conventional while a rent-to-own is a newer type of lease. 

A standard lease is a long-term contract with monthly payments. This is just like any other ordinary lease. A rent-to-own lease on the other hand, is where you are buying the system through a series of payments. 

What advantages and disadvantages does leasing give you?

Pros of Leasing A Heat Pump

Cost savings

The biggest advantage to leasing over buying is you save on costs. Leasing is a zero upfront investment with no deposit. It still comes with all the benefits of owning a heat pump. This is especially so if you opt for a rent-to-own lease.

No maintenance fees

Leasing comes with less responsibility. You are not liable for maintenance or servicing of the equipment. Any servicing is the responsibility of the leasing company.

Cons of Leasing A Heat Pump

Breaking your lease

Leasing a heat pump can present a problem if you need to move to a new home. If your lease is not transferable, that means you have to break your lease which will likely incur penalties depending on your agreement.

Potential higher cost

In the long term it can cost more to lease than buy, especially if you decide to move and have to break your lease or if you need to upgrade your system. Some lease agreements may look cheaper at first sight but turn out more expensive over time. 

Whether you decide to lease or buy, a heat pump will still provide you with good value for money. Take our short quiz to see just how much value you will get either as a homeowner or tenant.

The post Buy Vs Lease Heat Pump: What To Consider appeared first on Compare 24 - English.

The upfront cost of a heat pump also leaves homeowners thinking if it is really worth installing this type of system, and whether or not there other options that are cheaper. In this guide, we will go over each and every advantage and disadvantage of installing a heat pump. So that you can decide if it is worth it to install it in your home.

Heat pump advantages

Requires less maintenance than traditional systems

Heating systems such as gas fireplaces, or furnaces require additional maintenance and attention due to the risks involved. You always want to make sure the system is working well and is safe to use. Heat pumps on the other hand require only annual maintenance. 

While you should always hire a professional to do a yearly check on your heat pump, if you are interested you can learn how to do it yourself.

Low cost to maintain and run

Additionally, the cost of the yearly maintenance and running of a heat pump is far lower than any other heating system, such as fireplaces, and furnaces. This remains another important advantage of heat pumps, and it helps your family’s budget.

Extremely efficient

Perhaps the main reason why homeowners invest in heat pumps is due to their extreme efficiency. Heat pumps are able to use electricity and turn it into 300% as much heat, making it the most efficient heating system available today.

While your electricity bill may be slightly higher if you have a heating pump, heating your home will be a lot more expensive if you compare it with conventional heating systems.

Safer

One of the reasons families opt for heat pumps is due to how safe the system is. While gas-powered heating systems are always a little dangerous, heat pumps on the other hand are the safest option available on the market. The only major risk with heat pumps is if one of your family members has an allergy to a substance that gets into the airway system.

Provides both heating and cooling

Heat pumps also allow you to either heat or cool your home, while other systems are only able to heat. This is why it is far more practical to have just one system that is able to do both the heating and cooling, than having a fireplace, a furnace, and then an air conditioner on top of that. Additionally, having two systems might even be more expensive to buy, maintain and run over the long run.

Improves the air quality of your home 

Since a heat pump is able to remove humidity from the air, it acts as a dehumidifier, improving the quality of the air in your home. This is especially important if one of your family members has asthma, and it can be an important way to improve air quality for them. It has been proven that humidity can affect people suffering from arthritis, allergies, and even eczema.

It lasts a long time

A heat pump is also a very reliable and long-lasting system, with some models and types of heat pumps lasting nearly 30 years. This obviously depends on the model, and how well it is preserved, but overall it is a system that outlasts other conventional options.

Low environmental impact

Finally, one of the reasons why heat pumps have become so popular is that not only are they extremely efficient but they also have a lower carbon footprint and environmental impact. Since the sustainability of planet earth is in our hands, choosing a system that will help you sustain our planet is of the utmost importance.

Heat pump disadvantages

You need a permit and license

Depending on where your house is located, you may need a permit and a license to be able to install your heat pump. This is why you should always contact a reliable and professional company to install your heat pump. They will be able to inform you of all the necessary documents and things you need to have in order before installing your system.

It may require construction work

Since heat pumps require air to flow outside and inside the house, you may have to drill some holes in the facade of your home. This may not be ideal, especially because the location of these pipes is fundamental to increasing the efficiency of your heat pump. This may also increase the installation cost.

Large investment upfront

Perhaps the single biggest disadvantage of heat pumps is the fact that it requires a large investment upfront. Depending on the type of heat pump, the costs can be as high as $40,000 for geothermal heat pumps. 

This is a price that not every homeowner is able to afford, and therefore prices some people out of this efficient system. Due to the high cost, some homeowners also question whether or not investing in a heat pump can actually help them save money.

Requires professional installation

Installing a heat pump is not as easy as installing a furnace, an aircon, or a fireplace. Everything needs to be considered, from the location of the heat pump to the orientation, and whether or not it is level. 

These aspects directly influence the efficiency and electricity consumption of a heat pump, and therefore installing a heat pump should be done by a professional company with years of experience. They will know exactly where to place the heat pump so that it can be as efficient as possible while lasting a long time.

Avoid thinking that installing a heat pump is a simple DIY project because it is not, and if you install a heat pump without any previous experience, you may run into future problems, it might not be as efficient as it can be, and it can last fewer years.

Snow can damage the system

In extreme weather conditions, heat pumps are prone to failure, and end up being damaged. For instance, snow can damage your heat pump system, especially if the unit is completely covered in snow. This is why if you live in colder weather you should consider having a heat pump cover because it protects the system from snow being in direct contact with it. Additionally, you also need to place your heat pump in a location where snow will not fall near it.

It will increase your electricity bill

While one of the biggest advantages of heat pumps is their efficiency, the truth is that after installing and running this type of system you may notice an increase in your electricity bill. This is normal because a heat pump requires energy to be able to operate, and whether you use an air conditioner or a fireplace they will have costs just like a heat pump.

However, you should be aware of the added electricity cost of running a heat pump.

Power outages render it useless

While some heating systems do not require electricity and can be used pretty much in any condition like a fireplace, a heat pump without electricity is useless. Since the system requires power to be able to function, you should consider that your heating and cooling will not work during power outages.

If you happen to live in a very remote location where power outages are more common, you should consider this before getting a heat pump, or you can always invest in a generator to make sure your heat pump works whether there is power from the grid or not.

Installing a heat pump can drastically change your outdoor space

One of the few aspects that are often overlooked about heat pumps, is how drastically they can change your outdoor space. Choosing the most optimal location for your heat pump means that it can be an area of your yard, that you didn’t want to see used by this bulky unit. However, you need to understand that you may have to sacrifice the layout of your outdoor space, to have a heat pump that lasts longer and is more efficient.

Heat pumps can be noisy

While most heat pump systems are relatively noiseless, depending on the type of heat pump and size it can be rather noisy. This can be a problem, especially if you have neighbors. Always check the local laws to make sure you are placing your heat pump at the correct distance from your neighbor’s house.

Maintenance needs to be done by professionals

While you can certainly learn how to maintain a heat pump, it is always wiser to hire a professional company specialized in this type of service. A heat pump is fairly costly, and you want to hire professionals to maintain and care for your system. 

Is a heat pump worth the investment?

After reading all of the advantages and disadvantages of heat pumps, you may be wondering whether or not you should invest in it. The truth is that a heat pump is one of the best solutions for your home, because it is highly efficient, allows you to heat and cool your home, and saves you money over the long term while being safer than all the other available options.

Heat pump pros and cons FAQ

What is the biggest advantage of a heat pump?

The biggest advantage of a heat pump is its efficiency, and how the system is able to convert electricity into heat and cool, with an efficiency of up to 300%. No other system is able to be as efficient, and environment friendly while lasting a long time.

What is the biggest disadvantage of a heat pump?

The biggest disadvantage and the number one reason why homeowners shy away from heat pumps is the large upfront investment required to buy and install such a system. This remains the main reason why these systems are still not as popular as furnaces, fireplaces, and air conditioners.

Can you save money on electricity with heat pumps?

No, a heat pump will usually increase your electricity bill, because it requires electricity to run. However, compared with other conventional heating and cooling systems, a heat pump will be the most efficient, and while it might not save you money on the electricity bill, it will be cheaper than other electric or gas-powered systems, and even conventional wooden fireplaces.

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