Leave Your Solar Panel Installation Work in Naka-ku, Yokohama to Kakeru Koumuten Co., Ltd.!

For solar panel and battery installation in
Naka-ku, Yokohama,
Kakeru Koumuten is at your service!

Kakeru Koumuten is a company specializing in exterior renovations based in Yokohama.
We handle numerous exterior renovations in Naka-ku, Yokohama,
and we are also entrusted with the installation of solar panels and batteries!
Here, we will introduce“Reasons why Kakeru Koumuten is chosen for solar panel installation”.

“How to choose a solar panel contractor in Naka-ku”
“About the costs of solar panel and battery installation”
“About subsidies available for solar system installation in Naka-ku”
We will also explain the above three points!

The installation of solar panels carries risks such as “the occurrence of leaks” and other troubles.
To ensure a satisfactory solar panel installation, it is essential to obtain estimates from at least three companies!

This information will definitely be useful for customers considering solar panel installation in Naka-ku, Yokohama,
so please take a look!

Reasons why Kakeru Koumuten is chosen for solar panel installation in Naka-ku, Yokohama

One reason why customers in Naka-ku, Yokohama trust us with solar panel installation is
that “Kakeru Koumuten is located in Yokohama.” However,
we have unique strengths in solar panel installation that cannot be imitated by other companies,
which have received high praise from many customers.

Because we are confident, we welcome estimates from any number of companies!

1. We also handle exterior renovations other than solar panel installation!

 
Most issues such as leaks that occur during solar panel installation are due to the lack of knowledge of the solar panel installation contractors.
While specialized contractors for solar panel installation have knowledge about the panels themselves, many lack understanding regarding the roof and waterproofing at the installation site, which is a reality…
For peace of mind and to avoid maintenance issues or troubles after installation, it is better to have expertise in roofing!

Kakeru Koumuten Co., Ltd. is strong in roofing work and can also detach and attach solar panels in-house, allowing us to respond quickly to maintenance and urgent issues after solar panel installation!

2. Equipment specialized for exterior renovations

At Kakeru Koumuten Co., Ltd., we have prepared the following warehouses and material storage areas to provide low-cost, high-quality solar work and exterior renovations.
We have established five bases centered around Yokohama City, Kanagawa Prefecture for our material storage and showroom.

In-house ownership of scaffolding materials

We own the scaffolding materials necessary for the installation of solar panels, allowing us to assemble the scaffolding in-house.
By conducting scaffolding work with our own scaffolding team instead of outsourcing, we can also reduce the costs associated with scaffolding work.
We have scaffolding materials for approximately 50 single-family homes!

Storage of materials in our large in-house warehouse

 
We store roofing materials and paints, and we can also store removed solar panels.
By ordering a large quantity of materials at once, you can purchase materials at a lower cost!
Additionally, we always have a stock of roofing materials, so we can respond quickly even in emergencies!

Sorting and transportation of waste materials in-house

When installing solar panels, roofing work is often involved, generating various types of waste materials such as paint, wood, and metal.
Most contractors dispose of these materials all together, but by sorting and recycling the waste, significant cost savings on waste disposal can be achieved.

Exterior Renovation Dedicated Showroom

In our showroom, not only can you have meetings, but you can also
check the actual foundation brackets for solar panels and see how they are installed on the roofing materials!
We can also provide simulations for potential earnings and installation costs when introducing solar panels!

Since roofing and exterior wall work often accompany each other, we have samples of roofing materials and models that illustrate the structure, allowing us to provide detailed explanations!

3.Complete In-House Construction

One of Kakeru Koumuten’s major strengths is our complete in-house construction.

From inquiry to project completion, everything is handled by Kakeru Koumuten Co., Ltd. This allows us to keep costs down while providing high-quality roof renovations.
Additionally, one representative will assist you from the estimate to the completion of the work.
Since the same person will handle sales and construction management, smooth communication is possible.

We can provide consistent in-house construction from temporary scaffolding setup, exterior wall painting, to roof renovations!

4. Various Permits Obtained & Skilled Workers on Staff

We have obtained construction industry permits and permits for industrial waste collection and transportation!
We also have nationally certified sheet metal workers and painting specialists on staff, giving us confidence in our construction techniques.
We are capable of handling large-scale roofing projects such as those for factories!

5. Warranty and Aftercare

In addition to the manufacturer’s warranty for solar panel installation, we also provide our own rain leak warranty!
Aftercare is available every year, and we send out a notification DM each year.
If you have any questions about the warranty, please click on the image above!

Maintenance of Solar Power Generation｜Thorough Explanation of Importance, Frequency, and Cost Estimates!When introducing solar power generation, it is essential to consider...

6. Flexible and Prompt Response

Our company is equipped to handle various roofing troubles and situations.

If you cannot access the roof due to height, we can utilize a drone to assist!
During rain leak investigations, we can also conduct surveys using a thermal imaging camera.

If the power generation of the solar panels decreases due to dirt, we can also provide cleaning with a specialized brush.
We will respond according to your preferences.

7. Human Resource Development

To enhance our skills, we create various roof models and conduct practical training.
Since the construction methods vary depending on the shape and slope of the roof, we regularly provide technical training to ensure that all staff can handle various scenarios.

Corporate Profile神奈川で家の外装・屋根の工事、修理なら一番若くて親切な株式会社翔工務店にお任せください。 株式会社翔工務店はリフォームを通して美しく理想の生活空間を創るお手伝いをしています。外装改修、外壁塗装、雨樋修理清掃、屋根の塗装や重ね葺き葺き変えなどの部分的な修理まで、お客様のどのようなご要望にも全力でお応えします。...

Possible subsidies and grants in Naka-ku, Yokohama, Kanagawa Prefecture

National subsidy “Support Project for the Introduction of Storage Battery Systems in Housing”

The government is implementing the “Support Project for the Introduction of Storage Battery Systems in Housing” to support the installation of storage batteries.

This subsidy provides 30,000 yen per kWh (with a maximum limit of 600,000 yen) for those who install residential storage batteries that meet certain conditions.

Additionally, this program is part of the government’s efforts to promote zero carbon emissions and renewable energy, allowing for further advancement of “self-consumption” of electricity when used in conjunction with solar power generation.

For detailed eligibility requirements and application methods, please check the official website.

👉 Click here for the official website

Kanagawa Prefecture “Subsidy for Solar Power Generation Equipment and Home Storage Battery Installation for Existing Homes”

In Kanagawa Prefecture, subsidies are provided for those who install “solar panels” and “home storage batteries” in existing homes.

The subsidy amounts are a flat 40,000 yen for solar power generation equipment only, up to 100,000 yen for storage batteries depending on capacity, and a total of up to 300,000 yen when both are installed simultaneously.

This program is part of efforts to combat global warming and aims to promote the use of renewable energy.

For detailed conditions and application methods, please check the official page of Kanagawa Prefecture.

👉 Click here for details

Kanagawa Prefecture “Subsidy for Self-Consumption Type Solar Power Generation Equipment”

In Kanagawa Prefecture, subsidies are provided for the installation of “self-consumption type” solar power generation equipment that uses electricity generated by solar panels at home.

Eligible applicants are those who install solar power generation equipment in existing or newly built homes in the prefecture.

As a condition, it is required that more than 30% of the generated electricity is consumed at home (installation of storage batteries is also acceptable).

The subsidy amount is 10,000 yen per kW, with a maximum limit of 4 kW (up to 40,000 yen).

For example, if you install a 3 kW solar panel, you can receive a subsidy of 30,000 yen.

This program aims to promote the use of renewable energy and achieve Kanagawa Prefecture’s “zero carbon society”.

For more information, please check the official page of Kanagawa Prefecture.

👉 Click here for details

Yokohama City “Subsidy for Installation Costs of Solar Power Generation Equipment”

Yokohama City has implemented a system to subsidize part of the installation costs for small and medium-sized enterprises and sole proprietors within the city for solar power generation equipment and other installations.

This aims to support the introduction of renewable energy and advance measures against global warming.

The target is for installing solar panels and storage batteries at business facilities within the city. Installation at residential properties is not eligible, but there are opportunities for those who operate stores or businesses at their homes.

The subsidy amount is set according to the scale of installation, with 50,000 yen per kW for solar power generation equipment (up to 500,000 yen) and 20,000 yen per kWh for storage batteries (up to 200,000 yen).

For detailed conditions and application methods, please check the official website of Yokohama City.

👉 Click here for the official Yokohama City page

Yokohama City “Fiscal Year 8 Yokohama Green Energy Partnership Project (YGrEP)”

Yokohama Green Energy Partnership (YGrEP) is a project aimed at realizing a decarbonized society.

Yokohama City is providing cashless point rebates to households and businesses within the city that participate in YGrEP and install eligible equipment (refer to the eligible equipment below).

◎ Eligible Equipment ◎

● Solar power generation equipment: storage batteries / eco-cute / electric vehicles and plug-in hybrid vehicles

● Electric vehicles alone (without solar power generation equipment)

● Fuel cells (EneFarm)

● Solar thermal utilization systems

● V2H charging and discharging equipment

For information on application methods, combining with national and Kanagawa Prefecture subsidy projects, point rebates, and more, please check and inquire at the special site here.

Solar Panel Installation & Storage Battery Installation Price List

⇧Construction Menu|For costs related to solar panel installation and battery installation, click here

⇧Construction Menu|For costs related to solar panel removal and water heater removal, click here

Self-Estimate and Profit Simulation for Solar Power Generation

With the simulator above,
you can obtain a rough estimate and a profit simulation for up to 30 years!
If you know the total installation capacity of solar panels on the roof and the capacity of the battery, you can get a rough estimate and profit simulation!

Customer Feedback

カテゴリ ‘voice’ は見つかりません

• customer reviews

  

  The craftsmen and their subordinates breathed perfectly, and I felt a sense of mutual trust.

• customer reviews

  

  The response was very fast, so I was able to make a decision right away.

• customer reviews

  

  They were energetic, polite and courteous, and very pleasant to deal with.

Examples of Solar Panel Installation

Construction Details

Solar Panel Installation 　Battery Installation

Existing Roofing Material

Horizontal Metal Roof (Super Galtect)

Installation Capacity

Solar Panel: 4.3KW 　Battery: 5KW class

Base Mounting Hardware Used

Niigata Manufacturing / Aluminum Catch Type Hardware

Price Range

2.2 million yen to 2.3 million yen 　*Due to the subsidy provided, the actual burden amount is approximately 1 million yen 　Estimated recovery period for construction costs: Approximately 8 to 9 years (self-consumption)

Construction Period

Approximately 3 days

Completion Month

April 2025

Inquiry Details

I am considering the installation of solar panels and a storage battery. I heard that subsidies are available, and I would like to know how much subsidy I can receive.

How to Choose a Solar Panel Installation Contractor in Naka-ku, Yokohama

There are many solar panel installation contractors available in Naka-ku, Yokohama, and it can be confusing to choose the right one.

Therefore, when requesting solar panel installation contractors or storage battery installation work, let’s confirm the following 4 points.

By confirming the above 4 points, you will be able to choose a reliable contractor.

Which Solar Power Installation Company is Best? Introducing How to Choose Without Regret!When considering the introduction of solar power generation, the mos...

Knowledge of roofing in addition to solar panels

Many of the causes of poor installation of solar panels stem from a lack of knowledge on the part of the contractor.
While knowledge about solar panels is certainly important, understanding the roof and waterproofing at the installation site is also crucial.

Check for warranties and after-sales maintenance

When choosing a solar installation contractor, make sure to check for warranties.

While solar panels and storage batteries come with manufacturer warranties, also confirm whether there is a construction warranty in case of leaks after installation!

If the contractor offers a warranty period, they will handle any leaks that occur after installation at no charge.

Additionally, some contractors provide after-sales services separate from warranties, so be sure to check if the contractor you are considering has after-sales service.
Since abnormalities or damage on the roof can be in hidden areas, you may not notice them yourself.
By conducting inspections during after-sales maintenance, you can detect issues early and prevent major repairs or failures!

Kakeru Koumuten Co., Ltd. provides a leak warranty as part of the construction warranty for solar panel installations.
We also conduct after-sales maintenance and send out annual DM!
Please check the DM, and if you wish, we will visit for after-sales maintenance!

Warranty and Payment翔工務店の屋根工事、外壁塗装工事、シーリング工事の保証など簡単にご説明させて頂いております！！ 弊社では前金、中間金は頂いておりません！！...

Obtain estimates from multiple contractors (at least 3 companies)

When requesting solar panel installation, obtain estimates from multiple contractors.

Even for the same manufacturer and the same work content, costs and warranties or after-sales services may vary.

Additionally, obtaining multiple estimates makes it easier to negotiate prices.

To request your preferred repair contractor at a lower price, it is essential to obtain estimates from multiple contractors.

When comparing estimates, please check carefully:

“Check the items in the estimate”
“Types of solar panels”
“Warranties and after-sales service”

Make sure to compare these details closely! If the quality of the materials is low or if steps are skipped, costs can be reduced, so avoid making decisions based solely on price!

【横浜市】屋根リフォームの相見積もりの重要性と比較するポイントを解説します！こんにちは！株式会社翔工務店です！ 横浜市の屋根リフォーム専門店の翔工務店です！こちらのページでは屋根リフォームの見積りをとる...

Check if they provide support for subsidy applications

Subsidies are often available for the installation of solar panels and storage batteries, but there is a possibility that they may not be granted due to application errors.
If you proceed with the support of the contractor, there should be no issues with the application.
Make sure to apply for the subsidy before starting construction and proceed with the work only after it has been accepted!

After the construction, the flow will be that the subsidy will be decided and granted!

Benefits of Introducing Solar Power Equipment

The benefits of installing solar panels are summarized in the five points below!

Benefit 1: Economic Benefits

The biggest advantage of installing solar panels is the economic benefit!
Although the selling price of electricity has decreased compared to ten years ago, the rising electricity costs allow you to benefit from consuming the electricity you generate!
Electricity prices are expected to continue rising, making it attractive to cover your consumption with solar power!
If you plan to use the generated electricity at night, installing a storage battery is essential!

Benefit 2: Subsidies can be utilized!

Subsidy conditions and amounts vary by prefecture and municipality, but there is a high probability that you can apply for subsidies!
Reducing the actual burden amount through subsidies is a significant advantage!

Benefit 3: Environmentally Friendly!

Solar power generation contributes to the reduction of greenhouse gas emissions and decreases reliance on fossil fuels, helping to mitigate global warming.
It is considered an environmentally friendly method of power generation as it produces no noise or harmful substances during the process.

Benefit 4: Improved Insulation Effect!!

By installing it on the roof or rooftop, insulation properties are enhanced.
Especially in summer, it can effectively block direct sunlight, providing significant heat shielding benefits!

Benefit 5: Electricity Use Possible Even During Power Outages!!

By installing a storage battery, you can use electricity even during emergencies such as power outages!

What are the Benefits of Installing Solar Panels? An Explanation of the Surprisingly Unknown Disadvantages!In recent years, due to rising electricity costs, increased environm...

What Points Should You Be Careful About When Introducing Solar Power?

Next, we will explain the “three points to be careful about” when installing solar panels!

Point 1: Maintenance Costs Are Incurred

The maintenance costs are related more to the roof where the solar panels are installed rather than the solar panels themselves.
If you perform roof renovations 10 to 20 years later, there will be costs for removing and reinstalling the solar panels.
If the existing roof is deteriorating, it is reassuring to renovate it with durable roofing materials before installing the solar panels!

It would be reassuring to ask for a simulation that considers maintenance costs before introducing solar panels!

Point 2: The Risk of Leaks Increases Depending on the Roofing Material

Slate roofs and tile roofs require holes to be made in the roof to secure solar panels.
As a result, there is an inherent risk of leaks due to these holes.
Of course, we will ensure proper waterproofing, but if you are concerned about making holes, one option is to replace the roofing material with a metal roof and secure the solar panels using the catch method.

Special Catch Base Hardware for Horizontal Metal Roofs

Note 3: The Roof Will Become Heavier

Since solar panels will be placed on the roof, it will become heavier. In the case of tile roofs, it might be reassuring to replace them with lighter roofing materials.

13 Common Troubles with Solar Power Installation! Introducing Solutions and Preventive Measures!By installing solar power generation at home, you can expect various...

How to Choose Solar Panels?

There are many manufacturers of solar panels, and their output (power generation) and costs vary.
It is not simply a matter of “This manufacturer has the best solar panels”; what is important is to choose solar panels that are suitable for your life plan and building!
Here are some points to consider when comparing solar panels!

Choosing Method 1: Compare by Total Power Generation of the Roof

When installing solar panels on the roof, it is important to consider how much power can be generated in a limited area, and the more power generated, the better!

Solar panels vary in size and power generation depending on the manufacturer.
For example, a 350W output panel and a 400W output panel may seem at first glance that the higher output panel is better.
However, if the size of the panels does not fit well on the roof, there may be cases where “20 panels of 350W can be installed” and “15 panels of 400W can be installed,” leading to different installation capacities on the same roof due to the size difference.

400W × 15 panels = 6kW (total power output of the roof)
350W × 20 panels = 7kW (total power output of the roof)
As shown above, even if the output of a single panel is lower, the total output of the roof may be higher!

It is important to consider the total output of the roof rather than just the output of a single panel!

Choosing Method 2: Compare by Degradation Rate of Solar Panels

Solar panels have a degradation rate, and their power generation gradually decreases over 10 or 20 years.
After 30 years, some may see a 40% decrease in power generation, while others may only decrease by about 10%.
By not deciding solely based on initial power generation and considering the degradation rate, you can choose solar panels without regrets!

Choosing Method 3: Compare by Warranty Period

There are several types of warranties for solar panels, including “output warranty,” “natural disaster warranty,” and “system warranty,” and the warranty periods vary by manufacturer.
For output warranties, some manufacturers offer a 30-year warranty while others provide a 10-year warranty, so it varies widely!
Since longer warranties are generally better, be sure to check the warranties of the manufacturers you are considering!

Does solar power generation work on rainy days? Tips to prevent a decrease in power generation!For those considering the introduction of solar power generation, yo...

If you are looking for a solar panel installation contractor in Naka-ku, please consult Kakeru Koumuten Co., Ltd.

Our company handles many exterior renovations, including solar panels, roof work, and exterior wall work in Naka-ku, Yokohama.
We receive requests from a wide range of clients, including renovation companies and real estate agencies!

Kakeru Koumuten Co., Ltd. promises “high-quality renovations at low costs”, and we have received great feedback from many customers.
We continue to update our construction performance records every year, and we will strive to improve quality to satisfy even more customers in the future.

Our company can perform all types of exterior renovations, not only roof overlay work and re-roofing but also partial roof repairs, exterior painting, and exterior cover methods.
We are also happy to assist with small jobs such as partial repairs and rain gutter cleaning!

In case of emergencies such as leak repairs, we may also be able to provide temporary fixes without scaffolding, so please consult us!

“I want to know about recommended solar panels“, “I want to keep costs as low as possible“, “I just want an estimate for now“, we will provide optimal solutions for your specific requests.
We will never propose unnecessary work that prioritizes profit!
We always stand in our customers’ shoes and propose the best construction plans!

We are confident that we will not be outdone in terms of cost, quality, and planning compared to other companies in exterior construction!
We welcome competitive estimates!
Estimates are completely free, and if you find our company lacking compared to others, feel free to decline!

Features of Naka-ku, Yokohama

Naka-ku, Yokohama, is located in the southeastern part of Yokohama City, facing Tokyo Bay, with hilly terrain spreading to the west. The population is about 150,000, and it boasts excellent residential characteristics, where the convenience of commercial areas coexists well with quiet residential neighborhoods.

Additionally, the coastal area centered around Yokohama Port has developed as a tourist and commercial area, while residential neighborhoods spread inland. The area is long and narrow from north to south, with the northern side concentrated on Yokohama’s central business and tourist areas, while the southern side is rich in residences and nature.

Our company is based in Yokohama City and handles many exterior construction and solar work in Naka-ku.
We are happy to assist with partial roof repairs, including roof overlay work, re-roofing, and leak repairs, as well as other repairs! Please feel free to consult us about sudden troubles!

Service Areas in Naka-ku, Yokohama

Kakeru Koumuten Co., Ltd. accepts requests throughout Kanagawa Prefecture and Tokyo.

We welcome consultations via LINE as well◎

For roofing, guttering, and exterior work and repairs in Kanagawa, contact Kakerukoumuten Co., Ltd..

AAA is a young company with an average age in the early 20s, but our technology is second to none.

One of our greatest strengths is that we can do all of our own scaffolding, roofing, and painting work. In this industry, where work is generally divided, we are able to provide a complete set of services, which saves time and effort in management and reduces costs. Above all, if there is any trouble, we will come to you right away!

We can confidently declare this. We are the youngest and most friendly renovator in Kanagawa!