Air-source heat pump combined with photovoltaic panels (single-family house)

Air-source heat pump
Heating
DHW
Fan coils
Photovoltaic self-consumption
190m2 (2.045ft2) single-family house
Vigo (Galicia)
Air-source heat pump combined with photovoltaic panels (single-family house)
+ 3.100 €
Annual savings
7 years
Payback
+ 77.000 €
Lifespan savings

This is an installation in Vigo that had a gas boiler for DHW and heating, with a propane storage tank on the property, and aluminium radiators as an emission system.

An air-source heat pump with fan coils was installed in this single-family house in Vigo, and later photovoltaic panels with battery storage.

The photovoltaic system provides 100% of the DHW, heating, and cooling needs, and approximately 75% of the electricity consumed by the house

Starting point

After building their house in 1997, Angel and Lorena opted for a propane boiler with aluminium radiators for heating and DHW, since at that time they considered it to be the best option.

When they contacted us, they were considering changing their old boiler for a more efficient and modern system. They were looking for a system that would allow them to save money and also to feel more comfortable and safe. They wanted to eliminate the propane tank and not have to rely on calling the gas supplier.

Customer doubts and preferences

After our first meeting, Angel and Lorena’s preferences were clear. They needed to replace their old gas boiler, but they also wanted to renew their heating system. They were also considering the possibility of installing air conditioning at least in the living room and bedrooms, as the summers were getting hotter and hotter.

They were looking for a system that would provide them with:

  • Greater savings.
  • Greater autonomy.
  • Greater comfort.

Our proposal

After carrying out an energy study and evaluating different possibilities, we proposed the solution that we considered could best adapt to what they were looking for: a system with an aerothermal heat pump and fan coil units for heating, cooling, and DHW.

We also proposed the option of installing a photovoltaic system to cover the electricity consumption of the heat pump and most of the house.

In addition, at that time there was the possibility of taking advantage of the Inega subsidies.

This way, they would achieve the 3 objectives we had proposed (savings + autonomy + comfort) with a system that in addition, was totally respectful of the environment.

Aerothermal heat pump

Specifically, we proposed installing an Enertres Brisa Duo 12MR heat pump to replace their old Saunier Duval propane boiler.

Heating/cooling buffer tank and instantaneous DHW production

For the heating/cooling inertia, we proposed to install a storage tank of only 100 litres since the heat pump is an inverter model that adapts its power to the demand. For the DHW we proposed to install an Enertres storage tank model DPSI FLOW 300/5, which has an instantaneous production system of 25 litres/min.

Fan coils

We suggested replacing their old aluminium radiators with Enertres fan coils, model Enerfit RD. This way, in addition to having a more efficient system and lower consumption, they could take advantage of the heat pump to cool the house during warm days.

Self-consumption

To increase savings and their level of autonomy, we proposed to incorporate an installation with photovoltaic panels and battery storage.

Specifically, 7kW of panels (28 panels * 250W), 24 batteries 2VOpzs type, and 1,600Ah capacity.

According to our calculations, this installation would not only cover the consumption of the heat pump but also provide much of the electricity needed for the operation of the remaining consumption elements.

Subsidy

We also proposed to carry out the necessary procedures to apply for a line of subsidies that at that time were available in Galicia regarding renewable energies.

This way, the subsidy would cover approximately 30% of the investment necessary to implement the system.

The decision

When we sent them our proposal, Ángel and Lorena did not hesitate. Our approach seemed to fit exactly what they had been looking for.

They decided to carry out the installation in 2 phases. Firstly, the air-source heat pump with the fan coils, and secondly the photovoltaic self-consumption system.

Operation of the system

The installation has been in operation since 2012.

Initially, we installed the heat pump system with the fan coils.

By the end of the first year, the results had been very satisfactory for our clients, since in addition to having a safer and more comfortable system, they were able to save more than 1.500€ in just one year compared to their old gas boiler system.

In addition, they were delighted to have a cooling system, something they found much more useful than what they had initially thought.

After seeing the savings they were achieving with the aerothermal system, they decided to go one step further and install the photovoltaic self-consumption system.

Since the moment we installed these systems more than 3 years ago, we have seen that the results have exceeded our calculations.

The photovoltaic installation provides 100% of the DHW, heating, and cooling needs and approximately 75% of the electricity consumed by the house.

This way, they have managed to reduce all the energy consumption of the house by more than 85%.

The best energy is the one transmitted by our customers

  • All
  • Professionalism
  • Reliability
  • Saving
  • Quickness of response
S

Good experience, good work, meeting deadlines, and everything running smoothly. We are very happy and now even more with the rise of light prices! They have also facilitated the cumbersome process of applying to Xunta de Galicia’s subsidies. I encourage people to choose this company!!! Good choice.

Silvia Jenuario
27 October 2021
M

The geothermal installation plus photovoltaic panels was a success. The comfort and energy consumption that we were guaranteed was fulfilled, and despite our initial distrust towards this type of renewable energy, now we can only say that we recommend it 100%.

Marco Vaq
16 March 2021
J

Pincheiro AT, our apartment complex in A Pobra do Caramiñal, bets on renewable energies, especially geothermal and photovoltaic technology. We can assure you that Energanova has greatly fulfilled all our expectations. We can confirm, and this is difficult, the honesty of this company since what was budgeted at the beginning corresponds reliably to what we have been invoiced. We can only say on the part of Pincheiro AT that we feel in good hands both for what has been done on-site and in terms of the timely follow-up being performed.

José Barroso Castro
02 October 2021
A

I have worked with Energanova in the rehabilitation of a house and I am very happy with my choice. It is a close and professional company. They have a great team that explains in detail to the architect, technical architect, and builder as well as to the property the benefits of everything before, during, and after the work. Highly recommended!

Alba Balmaseda
23 April 2021
P

I am very satisfied with this company. They have advised and informed me throughout the project in a very professional manner, they are very good technically speaking, and you can tell they have a lot of experience. Aesthetically, they have taken care of every detail so that the installation was integrated into the house and the wiring was as concealed as possible. I had other more economical proposals at first, but in the end, they even got me a grant that covered a good part of the budget. In short, ENERGANOVA 100% recommended.

Pablo Rubal
16 October 2020
M

Excellent value for money. The installation carried out has been more than cost-effective, both economically and in terms of comfort at home!

Marcos
21 May 2020
B

I am going to tell my experience with this renewable energy company. First of all, I must say that I have always considered myself a ‘difficult’ person as a customer, who demands seriousness and professionalism in all the services I hire, especially for my house. Well, I have to say that on this occasion my satisfaction is maximum and I want to congratulate the whole Energanova team for its professionalism through this review. Nowadays it is not easy to find companies that do things well, and I must tell you that this company does them very well.

Begoña Romero
15 February 2021
J

Finally, a company that gave me what it offered. It is difficult, but if in the end you find a company like this with great professionals, the result is very satisfactory.

José Antonio Sánchez González
15 May 2020
S

Excellent company. You contact them and they quickly go to your home to decide what its ideal installation could be, solving any questions you may have. They have better prices compared to other renewable energy companies. Fast and well-executed installation. In my case, I asked for the Inega subsidy, and as an authorized installation company they take care of everything, being the first to get it so that you do not run out of it. If I had to do any other installation, I would contact them without hesitation.

Sandra
07 May 2021
J

Excellent treatment, great professionalism, and a team dedicated to finding the best technical and economic solutions for the client.

José Luis Santamaría
05 October 2021
A

Great and very fast after-sales service!!

Alberto López
06 March 2021
Y

They are good professionals and very agile. I have installed photovoltaic panels with them and I am delighted.

Yago Lorenzo
19 May 2020
C

Quick response and excellent professionals, I recommend them with no doubt.

Cova Charlin Villanueva
01 October 2021
P

After wanting to invest in photovoltaic technology, I started to search the Internet for companies that could give me an estimated cost, until I found Energanova. From the start, Javier assisted me as a customer wants to be assisted, with patience and respect, because not everybody knows what a solar panel, an inverter, etc… is. Energanova is worth it; they are trustworthy. Thank you.

Poery
13 August 2020
C

Great company and quick installation. We renewed our old geothermal machine for one of the best in the market. The savings are impressive, and the electricity bill has fallen radically, but for me, the best thing is the after-sales service. You can obtain assistance at any time, both by telephone and face-to-face. Great job!

Carlos Vallejo
03 February 2021
E

We were delighted with the installation. We wanted thermal emitters for our village house and everything went perfectly, they work very well. The installation was very simple and fast, fulfilling perfectly with what they offered us. They are very professional and attentive. We will work with them again.

Esther Aguín Martínez
05 August 2021
M

We only have good words regarding the solution provided by Energanova. In our case, it was an air-source heat pump and solar panels. Our house is finally warm in winter and cool in summer with a monthly cost much lower than what we were previously paying. I strongly recommend Energanova as a solution to your needs.

Manuel Vera
06 May 2020
P

Very professional!

Proyectopía La vivienda modular a tu medida
25 July 2021
V

We have had at home an air-source heat pump and a photovoltaic system installed by the company Energanova for a few months. As regards savings, at the moment our electricity bill has decreased by 70% and we no longer have to order diesel! If someone is encouraged to install renewable systems, I recommend that they look for a professional company. We are very happy with our choice.

Victoria Pérez
08 January 2021
M

I have been advised and informed throughout the project in a very professional manner, as well as helped in the management of the subsidies. They provide customized attention and follow-up after the installation to get the most out of it. I think this is the way to switch to renewable energies, by overcoming the stress and insecurities that we may have. ENERGANOVA 100% recommended!!!!

María Soliña Opera
05 August 2020
A

I have carried out with ENERGANOVA a geothermal installation with photovoltaic technology and we are very satisfied with both the execution and the consumption achieved. mos. Especially, since electricity is currently skyrocketing and we only pay 20€ per month. 100% recommended company in all aspects.

Alejandra González
11 September 2021
R

The company works well. They offer different alternatives after studying your problem, answering and clarifying all the doubts you may have. They provide a fast and efficient response. They are good professionals that have adequate documentation and information about the operation of the facility. They take care of all the administrative procedures, including subsidies. We are very satisfied!

Román Lago
17 July 2020
F

Energanova is a serious company, which at all times explained and helped us in everything related to the photovoltaic installation, which is perfect. They have looked for specific solutions for a much reduced space. 100% recommended.

Fernando Mejuto García
01 June 2021
C

We contacted Energanova because we wanted to change our old gas boiler for a more efficient and environmentally-friendly system. It is noticeable that they are specialists in this type of work since they have proven to be very professional at all times.

Carlos Martín
19 September 2020
G

Excellent: great professionalism, both in the administrative work to obtain permits and subsidies, as well as in the technical work to install the equipment. They are always paying attention to the correct operation of the installation and any incidence.

Gabriel Gijarro
19 February 2021
J

They are great professionals, punctual, scrupulous with the work, and very serious. I will hire them again for another project. Thank you.

Jesús González
20 August 2021
K

We have had an excellent experience with Energanova. They have complied with the deadlines, the staff was very professional, and the work was clean and very fast for both geothermal energy and photovoltaic panels. We applied for the grants of the Xunta de Galicia and they were in charge of managing it completely. We are very pleased with our choice, both for the treatment and the result of the installation.

Karla Álvarez
06 October 2021
D

I installed the air conditioning of my house with a geothermal heat pump (iDM), underfloor heating, and photovoltaic panels with Energanova. We are very satisfied with the result. As a company they are very serious and professional, they advised me at all times. With this installation, the house is very comfortable and the consumption is reduced. It is a 100% recommended company.

Da Pereira
15 September 2020
C

I can say that they are a company in which at all times both the technical advice and professional treatment were according to my needs. If you are thinking about installing a heating/air conditioning system, do not hesitate to consider them as an option, because they are undoubtedly a solvent and serious company, which in these times is often difficult to find. Thank you Energanova!

César González
18 July 2020
T

Excellent service. The advice they offer is outstanding, with very professional execution. Highly recommended.

Tony Doval
23 June 2021
L

We have been collaborating for a long time with the company Energanova in all our projects involving geothermal and air-source heat pump systems, combined with photovoltaic technology. They show experience, professionalism, and seriousness from the initial drafting of the project to the final installation. They have a great technical and commercial team that advises you in each of the phases towards the best energy solution, always transferring their extensive knowledge to you. They work with the best brands and put great care into design and aesthetics. We will continue collaborating with them and of course recommending them to every person or company that needs to carry out any renewable energy installation.

La I Desing
07 October 2021
L

We have been collaborating for a long time with the company Energanova in all our projects involving geothermal and air-source heat pump systems, combined with photovoltaic technology. They show experience, professionalism, and seriousness from the initial drafting of the project to the final installation. They have a great technical and commercial team that advises you in each of the phases towards the best energy solution, always transferring their extensive knowledge to you. They work with the best brands and put great care into design and aesthetics. We will continue collaborating with them and of course recommending them to every person or company that needs to carry out any renewable energy installation.

La I Desing
07 October 2021
D

I installed the air conditioning of my house with a geothermal heat pump (iDM), underfloor heating, and photovoltaic panels with Energanova. We are very satisfied with the result. As a company they are very serious and professional, they advised me at all times. With this installation, the house is very comfortable and the consumption is reduced. It is a 100% recommended company.

Da Pereira
15 September 2020
B

I am going to tell my experience with this renewable energy company. First of all, I must say that I have always considered myself a ‘difficult’ person as a customer, who demands seriousness and professionalism in all the services I hire, especially for my house. Well, I have to say that on this occasion my satisfaction is maximum and I want to congratulate the whole Energanova team for its professionalism through this review. Nowadays it is not easy to find companies that do things well, and I must tell you that this company does them very well.

Begoña Romero
15 February 2021
J

They are great professionals, punctual, scrupulous with the work, and very serious. I will hire them again for another project. Thank you.

Jesús González
20 August 2021
J

Finally, a company that gave me what it offered. It is difficult, but if in the end you find a company like this with great professionals, the result is very satisfactory.

José Antonio Sánchez González
15 May 2020
S

Good experience, good work, meeting deadlines, and everything running smoothly. We are very happy and now even more with the rise of light prices! They have also facilitated the cumbersome process of applying to Xunta de Galicia’s subsidies. I encourage people to choose this company!!! Good choice.

Silvia Jenuario
27 October 2021
T

Excellent service. The advice they offer is outstanding, with very professional execution. Highly recommended.

Tony Doval
23 June 2021
G

Excellent: great professionalism, both in the administrative work to obtain permits and subsidies, as well as in the technical work to install the equipment. They are always paying attention to the correct operation of the installation and any incidence.

Gabriel Gijarro
19 February 2021
C

We contacted Energanova because we wanted to change our old gas boiler for a more efficient and environmentally-friendly system. It is noticeable that they are specialists in this type of work since they have proven to be very professional at all times.

Carlos Martín
19 September 2020
E

We were delighted with the installation. We wanted thermal emitters for our village house and everything went perfectly, they work very well. The installation was very simple and fast, fulfilling perfectly with what they offered us. They are very professional and attentive. We will work with them again.

Esther Aguín Martínez
05 August 2021
P

Very professional!

Proyectopía La vivienda modular a tu medida
25 July 2021
M

I have been advised and informed throughout the project in a very professional manner, as well as helped in the management of the subsidies. They provide customized attention and follow-up after the installation to get the most out of it. I think this is the way to switch to renewable energies, by overcoming the stress and insecurities that we may have. ENERGANOVA 100% recommended!!!!

María Soliña Opera
05 August 2020
J

Pincheiro AT, our apartment complex in A Pobra do Caramiñal, bets on renewable energies, especially geothermal and photovoltaic technology. We can assure you that Energanova has greatly fulfilled all our expectations. We can confirm, and this is difficult, the honesty of this company since what was budgeted at the beginning corresponds reliably to what we have been invoiced. We can only say on the part of Pincheiro AT that we feel in good hands both for what has been done on-site and in terms of the timely follow-up being performed.

José Barroso Castro
02 October 2021
K

We have had an excellent experience with Energanova. They have complied with the deadlines, the staff was very professional, and the work was clean and very fast for both geothermal energy and photovoltaic panels. We applied for the grants of the Xunta de Galicia and they were in charge of managing it completely. We are very pleased with our choice, both for the treatment and the result of the installation.

Karla Álvarez
06 October 2021
F

Energanova is a serious company, which at all times explained and helped us in everything related to the photovoltaic installation, which is perfect. They have looked for specific solutions for a much reduced space. 100% recommended.

Fernando Mejuto García
01 June 2021
P

I am very satisfied with this company. They have advised and informed me throughout the project in a very professional manner, they are very good technically speaking, and you can tell they have a lot of experience. Aesthetically, they have taken care of every detail so that the installation was integrated into the house and the wiring was as concealed as possible. I had other more economical proposals at first, but in the end, they even got me a grant that covered a good part of the budget. In short, ENERGANOVA 100% recommended.

Pablo Rubal
16 October 2020
J

Excellent treatment, great professionalism, and a team dedicated to finding the best technical and economic solutions for the client.

José Luis Santamaría
05 October 2021
A

I have worked with Energanova in the rehabilitation of a house and I am very happy with my choice. It is a close and professional company. They have a great team that explains in detail to the architect, technical architect, and builder as well as to the property the benefits of everything before, during, and after the work. Highly recommended!

Alba Balmaseda
23 April 2021
C

I can say that they are a company in which at all times both the technical advice and professional treatment were according to my needs. If you are thinking about installing a heating/air conditioning system, do not hesitate to consider them as an option, because they are undoubtedly a solvent and serious company, which in these times is often difficult to find. Thank you Energanova!

César González
18 July 2020
P

After wanting to invest in photovoltaic technology, I started to search the Internet for companies that could give me an estimated cost, until I found Energanova. From the start, Javier assisted me as a customer wants to be assisted, with patience and respect, because not everybody knows what a solar panel, an inverter, etc… is. Energanova is worth it; they are trustworthy. Thank you.

Poery
13 August 2020
M

The geothermal installation plus photovoltaic panels was a success. The comfort and energy consumption that we were guaranteed was fulfilled, and despite our initial distrust towards this type of renewable energy, now we can only say that we recommend it 100%.

Marco Vaq
16 March 2021
M

Excellent value for money. The installation carried out has been more than cost-effective, both economically and in terms of comfort at home!

Marcos
21 May 2020
A

I have carried out with ENERGANOVA a geothermal installation with photovoltaic technology and we are very satisfied with both the execution and the consumption achieved. mos. Especially, since electricity is currently skyrocketing and we only pay 20€ per month. 100% recommended company in all aspects.

Alejandra González
11 September 2021
C

Great company and quick installation. We renewed our old geothermal machine for one of the best in the market. The savings are impressive, and the electricity bill has fallen radically, but for me, the best thing is the after-sales service. You can obtain assistance at any time, both by telephone and face-to-face. Great job!

Carlos Vallejo
03 February 2021
V

We have had at home an air-source heat pump and a photovoltaic system installed by the company Energanova for a few months. As regards savings, at the moment our electricity bill has decreased by 70% and we no longer have to order diesel! If someone is encouraged to install renewable systems, I recommend that they look for a professional company. We are very happy with our choice.

Victoria Pérez
08 January 2021
M

We only have good words regarding the solution provided by Energanova. In our case, it was an air-source heat pump and solar panels. Our house is finally warm in winter and cool in summer with a monthly cost much lower than what we were previously paying. I strongly recommend Energanova as a solution to your needs.

Manuel Vera
06 May 2020
C

Quick response and excellent professionals, I recommend them with no doubt.

Cova Charlin Villanueva
01 October 2021
R

The company works well. They offer different alternatives after studying your problem, answering and clarifying all the doubts you may have. They provide a fast and efficient response. They are good professionals that have adequate documentation and information about the operation of the facility. They take care of all the administrative procedures, including subsidies. We are very satisfied!

Román Lago
17 July 2020
A

Great and very fast after-sales service!!

Alberto López
06 March 2021
S

Excellent company. You contact them and they quickly go to your home to decide what its ideal installation could be, solving any questions you may have. They have better prices compared to other renewable energy companies. Fast and well-executed installation. In my case, I asked for the Inega subsidy, and as an authorized installation company they take care of everything, being the first to get it so that you do not run out of it. If I had to do any other installation, I would contact them without hesitation.

Sandra
07 May 2021
Y

They are good professionals and very agile. I have installed photovoltaic panels with them and I am delighted.

Yago Lorenzo
19 May 2020

Find out how much you can save with a photovoltaic self-consumption system with heat pump

No initial investment. You will pay for it with the savings generated.