Installation and servicing of air conditioners

Stay cool, stay comfortable: your trusted air conditioning experts

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Heat pump installation and servicing

Efficient heating, reliable performance

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Fire damper installation and servicing

Safety ensured, peace of mind guaranteed

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Installation and servicing of ventilation systems

Breathe easy with our ventilation solutions

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In the heart of London, where the demand for technological finesse meets the legacy of British craftsmanship, stands Master Builders VS LTD, a beacon of experience and precision in the field of environmental control systems. With over a decade of dedicated service, our expertise spans across the installation and servicing of air conditioners, ensuring cool serenity in London’s dynamic atmosphere. We extend our proficiency to the realm of renewable energy with adept heat pump services, advocating for eco-friendly solutions.

Understanding the criticality of safety measures, our team is adept in fire damper installation and servicing, fortifying edifices against unforeseen emergencies. Our adeptness in ventilation systems installation ensures a breath of fresh air amidst the urban sprawl, enhancing living and work spaces with optimal air quality. At the core of our ethos lies preventive measures, a testament to our proactive approach in maintaining the zenith of operational functionality.

In our practice, confirmed by numerous positive reviews and long-term relationships with clients, our commitment to high-quality work and dedication to ensuring the well-being of our clients is reflected. As experts with years of experience in London in the field of climate control and fire safety, we are committed to providing services with the highest level of integrity, environmental sustainability, and exceptional quality.

Our dedication to excellence is evident in every project we undertake. We can ensure the success of your entire project as we offer a full range of construction services. Whether you need comprehensive renovation solutions or specialized craftsmanship, our team of experts is equipped to handle all aspects of construction and refurbishment. From woodworking services by our skilled artisans to the precision of tile cutting and installation services, we bring your vision to life with unparalleled attention to detail and quality. Trust us to transform your space with our professional and meticulous approach.

11 Years in Business
1085 Happy Clients
350 Projects Completed

Installation and servicing of air conditioners

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Explore our installation, maintenance, and repair services for air conditioners in London. Our qualified specialists will install and set up your air conditioner, ensuring a comfortable climate in your home or office. We offer installation, maintenance, and repair services using the latest technologies and equipment. Our team is ready to help you maintain the optimal air quality in your space. Contact us to provide your space with the best air conditioning system.

Types of air conditioners:


    Portable air conditioners, also known as monobloc or self-contained units, are ideal for cooling single rooms. They are easy to move between rooms thanks to their wheels and do not require permanent installation. These units have an attached hose that expels hot air outside through a nearby window. They are a great option when permanent installation is not feasible due to space constraints or building restrictions.

    Split air conditioning systems consist of two main components: an outdoor condensing unit and an indoor evaporator. These units are quieter and more efficient than portable models but require professional installation. The outdoor unit contains a compressor that circulates refrigerant, which absorbs heat from the indoor air and releases it outside. The indoor unit blows cooled air into the room.

Pros and cons of air conditioners.

The benefit of using an air conditioning system is undeniable: it provides comfort both in the heat and in the cold, improves the quality of the air, and makes it fresher and more useful.

Using an air conditioner in the house has several advantages:

  • Indoor temperature control without the need to open windows, which is more hygienic and safer.
  • Protection against insects in spring and summer, especially against mosquitoes, flies, gnats, and bugs, ensuring a high level of hygiene and cleanliness of the premises.
  • Absence of harmful effects on children, pets, and people with weak immunity, but on the contrary, creating comfortable conditions for their stay.
  • The availability of programs for simple and convenient use of the "Auto mode" function, which allows even the elderly, teenagers, and children to control the air conditioner.
  • Quick elimination of unpleasant odors arising during cooking, from the vital activity of domestic animals, after using household chemicals, disinfectants, insecticides, and others.

Quick elimination of unpleasant odors arising during cooking, from the vital activity of domestic animals, after using household chemicals, disinfectants, insecticides, and others. Of course, when using an air conditioner in the house, there is also a drawback - the air can be overdried, which negatively affects the condition of the mucous membranes and respiratory tract and can aggravate chronic diseases. However, this problem can be quickly solved by using a humidifier, which allows you to increase the level of humidity and fill it with aromas using essential oils, essences, and other additives.

Common air conditioner malfunctions are often associated with various aspects of their operation. Here are a few of them:

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Freon leak

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Dirty filter

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Thermostat not working

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Incorrect operation

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Operational noise

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System freezing

These malfunctions can be detected during regular maintenance and technical inspection of air conditioners. It is recommended to call a qualified technician for diagnostics and repair in the event of any of these problems.


Heat pump installation and servicing

Air Conditioner

Delve into our specialized heat pump solutions in London. With a team of certified professionals, we seamlessly integrate heat pumps into your environment, elevating both warmth and coolness to meet your exacting standards. Our portfolio spans from state-of-the-art installations to meticulous maintenance and precision repairs, employing cutting-edge tools and technologies. Committed to optimizing your indoor ambiance, we're at your service to enrich your property with a superior heat pump solution tailored to your needs. Reach out for unparalleled climate control expertise.

Types of heat pumps:


    Air source heat pumps extract heat from the outside air and transfer it into your home or office to provide heating. They work efficiently even in cold climates, making them a cost-effective and environmentally friendly heating solution.

    Ground source heat pumps use pipes buried underground to extract heat from the ground. They are highly efficient and can provide both heating and cooling, making them a versatile choice for residential and commercial buildings.

Key advantages of our heat pump services:


    Heat pumps reduce energy use and heating/cooling costs compared to traditional systems by efficiently transferring heat.

    By minimizing CO2 emissions, heat pumps support environmental sustainability and the fight against climate change.

    Regular maintenance extends the above-average lifespan of heat pumps, ensuring long-term performance.

    Routine checks ensure heat pumps run efficiently all year, preventing weather-related issues.

    We specialize in selecting and fitting the ideal heat pump for your specific residential or commercial needs.

    Integrating heat pumps with existing systems boosts overall energy efficiency for your property.

    Our use of cutting-edge technologies enhances the performance and appeal of our heat pump solutions.

Heat pumps are complex systems, and like any mechanical systems, they can experience issues. Some of the most common malfunctions in heat pumps include:

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Refrigerant leaks

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Compressor issues

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Icing over

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Faulty thermostats

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Electrical problems

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Dirty or clogged filters

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Broken reversing valve

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Outdoor unit not running

For these common issues, it is advisable to conduct regular checks and have a reliable maintenance service in place. In the event of any problems, it is best to contact professional services that can accurately diagnose and address the issue to restore optimal functionality to your heat pump system.


Fire damper installation and servicing

Air Conditioner

Discover our comprehensive installation, maintenance, and repair services for fire dampers in London. Our qualified technicians will install and configure your fire dampers, ensuring the safety and compliance of your building's fire protection system. We offer a full range of services using the latest technologies and equipment to ensure your fire dampers are operating efficiently and effectively. Our team is committed to providing you with the best fire protection solutions for your building. Contact us to ensure your space is equipped with the best fire damper system.

Types of fire dampers:


    Fire dampers play a crucial role in preventing the spread of fire and smoke through ductwork in buildings. Regular testing and inspection of fire dampers are essential to ensure they are functioning correctly and comply with regulations. Our team can perform thorough testing and inspection of your fire dampers to ensure they are in optimal working condition.

    Regular maintenance and repair of fire dampers are necessary to ensure they remain effective in the event of a fire. Our technicians are experienced in servicing and repairing all types of fire dampers, ensuring they meet safety standards and regulations. We use the latest equipment and techniques to ensure your fire dampers are functioning correctly and provide maximum protection.

Pros of fire damper installation and servicing:


    Fire dampers are critical for containing fires where they start, preventing the spread of flames and smoke through a building’s ventilation system.

    Regular servicing ensures that fire dampers comply with fire safety regulations, which can help avoid legal issues and potential fines.

    By functioning correctly, fire dampers help protect not only the structural integrity of the building but also the assets and contents within from fire and smoke damage.

    Proper maintenance can prolong the life of HVAC systems by ensuring that dampers operate correctly without imposing additional stress on the system.

Cons of fire damper installation and servicing:


    The initial installation of fire dampers can be costly, especially if retrofitting them into an existing building.

    Regular servicing incurs ongoing costs, which can be significant over the lifespan of a building.

    : Installation and servicing of fire dampers require skilled technicians, which can limit service options and increase costs.

Our company recognizes the importance of fire dampers in ensuring the safety and integrity of buildings. We offer professional installation and comprehensive servicing to ensure your dampers are always in top condition, despite the challenges and costs associated with their maintenance. With our expertise, you can trust that your fire protection systems will perform reliably when needed.

Fire dampers are essential for safety in buildings, helping to prevent the spread of fire through ducts and openings. However, they can encounter various malfunctions that may impair their function.

Here are some of the most common issues faced by fire dampers:

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Sticking of the valve

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Wear of sealing materials

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Incorrect installation

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Lack of regular maintenance

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Inadequate ventilation or blockage of airflow

For these common issues, it is advisable to conduct regular checks and have a reliable maintenance service in place. In the event of any problems, it is best to contact professional services that can accurately diagnose and address the issue to restore optimal functionality to your heat pump system.


Installation and servicing of ventilation systems

Air Conditioner

Elevate your space with our efficient ventilation solutions in London. Our skilled technicians deliver expert installation, maintenance, and repair, ensuring your environment is equipped with optimal air quality. Trust in our swift, quality service for a fresh, energy-efficient atmosphere.

Types of ventilation systems:


    This system uses fans to exhaust stale air and introduce fresh air into the building. We can install and maintain various types of mechanical ventilation systems, including heat recovery ventilation (HRV) and energy recovery ventilation (ERV) systems, which help reduce energy costs by recovering heat or coolness from the exhaust air.

    We also provide installation and servicing for natural ventilation systems, which rely on natural airflow and pressure differences to ventilate a building. Properly designed natural ventilation can improve indoor air quality and reduce the need for mechanical ventilation.

    This system combines natural and mechanical ventilation strategies to optimize airflow and energy efficiency. Our experts can design and install mixed-mode ventilation systems tailored to your building's specific requirements.

    Regular maintenance is crucial to ensure your ventilation system operates efficiently and effectively. Our maintenance services include cleaning, filter replacement, and system inspections to identify and address any issues early on.

    If your ventilation system is not performing as it should, our team can diagnose and repair any issues promptly. We can also recommend and implement upgrades to improve system performance and energy efficiency.

Pros of ventilation systems:


    They reduce levels of indoor pollutants, allergens, and humidity by constantly cycling fresh air into a space.

    Modern systems can recover heat from outgoing air, saving on heating costs in cooler climates.

    Proper ventilation helps to control moisture levels, which can prevent mold growth and structural damage.

    These systems can help to maintain a comfortable indoor temperature and humidity level.

    Good ventilation is crucial for good respiratory health and can help to prevent issues like asthma.

    Efficient systems can quickly remove odors and stale air, keeping the indoor environment fresh.

Cons of ventilation systems:


    Depending on the system and installation, ventilation can be noisy, which may be disruptive.

    Systems that are not optimized can consume a significant amount of energy, potentially leading to higher utility costs.

    Inadequate systems may lead to the loss of indoor heat, increasing the demand on heating systems and elevating energy expenses.

Ventilation system care and maintenance guide:

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Clogged filters

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Fan wear

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Air leakage

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Control and management issues

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Sensor and automation problems

Proper care and timely attention to the common issues that can arise with ventilation systems are crucial in ensuring their effective and efficient operation. Our company's expertise extends to every aspect of ventilation system maintenance. From addressing clogged filters to remedying sensor and automation problems, our seasoned professionals work diligently to prevent and resolve these issues promptly. Rely on our dedicated service to maintain the integrity and performance of your ventilation systems, ultimately contributing to a healthier and more comfortable indoor environment.


Prevention services for HVAC systems

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Our prevention services are designed to ensure the efficient and reliable operation of your HVAC systems. We offer a range of services to help identify and address issues before they lead to costly repairs or downtime.

Our prevention services include:


    We conduct regular inspections of your HVAC systems to identify any potential issues or areas that may require attention. Our technicians will thoroughly inspect all components of your system and provide recommendations for any necessary repairs or upgrades.

    We offer professional cleaning and maintenance services to ensure your HVAC systems remain clean and free of debris. Regular cleaning can improve system performance and extend the life of your equipment.

    We replace filters regularly to ensure optimal performance and air quality. Dirty filters can restrict airflow and cause your system to work harder, leading to higher energy bills and potential damage to your equipment.

    Our technicians will inspect and clean your ductwork to remove any accumulated dirt, dust, or debris. Clean ducts can improve air quality and system efficiency.

    We can adjust and calibrate your HVAC systems to ensure they are operating at peak performance. This can help improve energy efficiency and comfort levels in your building.

    We offer environmental monitoring services to ensure your indoor air quality remains at an optimal level. We can provide recommendations for improvements if needed.

HVAC System Preventative Maintenance Checklist:

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Regular cleaning and servicing

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Filter replacement

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Checking and adjusting operational parameters

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Inspection of seals and connections

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Personnel training and testing

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Environmental conditions monitoring

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Scheduled maintenance and repair

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Maintaining cleanliness of the surrounding environment

Ensuring the longevity and efficiency of your HVAC systems is pivotal to creating a comfortable and safe environment. Our company specializes in comprehensive prevention services that safeguard against potential malfunctions and inefficiencies. By adhering to this detailed maintenance checklist, we not only anticipate and address possible issues but also optimize the system's performance. Trust in our expertise to maintain the health of your HVAC system, guaranteeing a seamless operational experience and peace of mind.



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