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Heating, plumbing and electrical services for homes and businesses
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Here at GOS, we are a family run business with over 15 years of experience in the installation, repair and maintenance of solar PV & solar thermal in Preston. Whether your enquiry relates to your residential property or commercial building, GOS are your first port of call for solar installation, solar repair and solar installation in Preston.





GOS are accredited NICEIC & MCS approved contractors, meaning that you have peace of mind that you will meet the highest standards. If you are looking for further verification on level of quality for GOS, you can find our customer reviews on Trustpilot and Google reviews.
Our experts will be able to identify faults once an inspection has occurred, and whether you are in Preston or surrounding areas, you will be in safe hands knowing that GOS are catering for your needs.
One of the most common faults relates to the Solar PV Inverter, as this is the hardest working part of any solar system. GOS can repair or replace your inverter with minimum fuss, ensuring that your system is optimally performing.


Inverters are much more technically sophisticated than solar panels and are not something the average person should touch, for inverter maintenance you should always choose a qualified engineer such as the team at GOS Heating. The electrical components and high voltage elements make this too dangerous for people without certifications.Inverters work in a similar way to a fan in a computer, inviting dust into electrical components, you might ask what can dirt do to an inverter? If it’s got the right particles, it can create new conduction pathways on the circuit boards, which in extreme cases can lead to circuit failure. Humidity is also another problem for your inverter as it can invite more corrosion risk for electrical terminals and connections

Our engineer was friendly, efficient and answered all our questions about the boiler, his name is Barney (Brian Barnes)
In Autumn 2023 I moved into a property with a quirky heating system that needed urgent replacement as the temperatures were falling. I contacted GOS and they ripped out the old heaters and replaced everything with a top-of-the-range Gas Combi and rads. This has worked efficiently. I have just had the first twelve monthly service; all good. As well as high quality products I liked the fact that the personnel are pleasant and punctual. Recommended.
Very good efficient service. Explained issues and fixed both boiler issues within an hour
Update. Had GOS replace several radiators over the summer. Fixed a broken toilet too. Brilliant again both times. Thank you. I've used GOS a couple of times over the years. Most recently a few weeks ago to replace a shower and tap. Staff friendly and job done when they said and without fuss and reasonable price. Recommended.
Good service
Excellent service. New boiler fitted and will continue to use them for servicing. Highly recommended.
Excellent service, the engineer talked me through the whole process, explaining the issue and what he was doing. Work done in 1 hour, and left clean and tidy.
Excellent
Friendly Engineer who did an efficient job. Will use again.
Great service, very professional. Would definitely recommend.
GOS Services are professional, reliable and do a brilliant job! They have been doing my yearly old boiler check every year. The work they did for me was massive regarding getting a new boiler installed as my requirements was more than just a straightforward replacement. The work took two days, the guys were very clean and thorough. I also got them to do some joinery for me…Again a professional, clean finish. I highly recommend them and will again be getting my boiler serviced with them next year.
Been using GOS for years for boiler servicing. Always reliable, can't fault them.
Excellent service
Completed boiler service very efficiently, friendly and helpful
Gos heating have just installed a new boiler and central heating at my grandmother's house. They have done an outstanding job. Great fitters, hard working and courteous, left everything spotless. Nothing was too much trouble. I cannot recommend them highly enough. Thank you guys!
Efficient, on time, very clean & tidy up after themselves, great finish to the kitchen and all work done managed by a great project manager in Kerry. Made the process smooth and as little disruption as possible, given the nature of a having a new kitchen. I would recommend to anyone.
Thanks to all the team involved in the instation of our new Bosch Worcester Boiler in Inskip. The survey & installation were all conducted in a very thorough and professional manner, plus the quote was good too!
Just had boiler serviced arrived on time excellent service, excellent knowledge would highly recommend and will definitely be using again.
I have used GOS on two major household improvement projects which I couldn't compromise on. They are simply the best. Their knowledge is deep and their planning and execution is first class. All this while being accessible and friendly and not too corporate. That takes skllied leadership, authenticity and a genuine care about the finished product or service, which emanates from call operators to the installers and supervisors. I commend GOS without hesitation.
Prompt & reliable servicing every year
Just had my annual boiler service carried out by Tony, and as usual it was a 5 star job! Tony was very thorough, professional,polite and friendly! I've been with GOS Heating for a few years now and have plumbing cover too and have always been extremely happy with the service provided from the lovely ladies in the office to the dedicated engineers carrying out the work. Thankyou again Tony and GOS!
Nat was very helpful, pleasant and nothing was too much trouble. Thanks!
Gos heating have just installed a new boiler and central heating at my grandmother's house. They have done an outstanding job. Great fitters, hard working and courteous, left everything spotless. Nothing was too much trouble. I cannot recommend them highly enough. Thank you guys!
Excellent boiler service completed this morning. Quick service, arrived on time as they had advised at the general office. Friendly employee, gave lots of good advice to us. Thanks again!
Excellent service received. Engineer arrived before time and fixed the problem with my boiler straight away
Worked very well and professionally always on time all work completed on time to a very high standard and removed all packaging and left everware clean and tidy would recommend highly
Absolutely amazing service from start to finish. Fabulous communication and reasonably priced. Would use again
Friendly Engineer who did an efficient job. Will use again.
I have used GOS on two major household improvement projects which I couldn't compromise on. They are simply the best. Their knowledge is deep and their planning and execution is first class. All this while being accessible and friendly and not too corporate. That takes skllied leadership, authenticity and a genuine care about the finished product or service, which emanates from call operators to the installers and supervisors. I commend GOS without hesitation.
Excellent service have used them for years now, never let me down, quick, prompt and very knowledgable would give 6 stars if I could
The team at GOS Services recommend that if you are based in Preston or the surrounding areas, you schedule an annual checkup for your inverter is a smart and low-cost preventive measure. These inspections are simply an annual reconditioning check.
When one of our professional team members carries out an inverter checkup, we also do electrical testing to confirm all the panels are producing energy as they should and identify any weak spots and make any necessary adjustments.
Solar panels are designed to perform up to 25 years or more, however choosing GOS Heating to perform annual maintenance inspections can pro-long the life of your solar panels by 10-30%. Its important to carry out regular repair, inspection and planned preventive maintenance of your PV system maximises output and ROI, by minimising downtime and system inefficiencies caused by age and the elements.
With many reasons to choose us for your solar repair and maintenance in Preston, our team have decided to outline our top 5 reasons. Please see below our top reasons to choose us for your solar panel repair and maintenance in Preston and the surrounding areas.
For the best solar repair and maintenance services in Preston, look no further than GOS to cater to your every need. We’re here to ensure that your solar panel is working exactly as it should, as well as take away the worry of any faults or problems. Leave your solar panel repair and maintenance in the capable hands of GOS and contact our customer services team today to find out how we can help with your solar Installation, solar repair or solar service in Preston. Give one of our friendly team members a call today.
Microinverters are also becoming a popular choice for residential and commercial installations. Like power optimisers, microinverters are module-level electronics so one is installed on each panel. Microinverters convert DC power to AC right at the panel and so don’t require a string inverter.
Because of the panel-level conversion, if one or more panels are shaded or are performing on a lower level than the others, the performance of the remaining panels won’t be in any jeopardy. Microinverters also monitor the performance of each individual panel, while string inverters show the performance of each string. This makes microinverters good for installations with shading issues or with panels on multiple planes facing various directions. Systems with microinverters can be more efficient, but these often cost more than string inverters.
Battery Based Inverters are bidirectional in nature and include both a battery charger and inverter. Battery-based inverter/chargers may be grid-interactive, standalone grid-tied or off-grid, depending on their UL rating and design. The primary benefit of inverter/chargers is that they provide for continuous operation of critical loads irrespective of the presence or condition of the grid.
Battery based inverter/charger manages energy between the array and the grid while keeping the batteries charged. They monitor battery status and regulate how the batteries are charged.
Call our team today, to find out how we can expertly repair and maintain your Solar PV today, GOS Heating are the professionals you can count on for your every need. Simply give GOS Heating a call today to find out more about our Solar PV Inverters repairs and maintenance or request a free quote. We will be there for you to provide your solar PV inverter repair and maintenance checks in Preston at a time most suitable for you.
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