GMS Grays Mechanical & Maintenance Services are a family run group set in the heart of Buckinghamshire
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GMS is a family run business set in the heart of Buckinghamshire, South of England. With a wealth of over 20 years experience in the industry, we operate as an independent supplier to offer impartial advice and guidance on the best equipment and leading technology, creating the perfect building environment to suit your needs.

Twin‑split Daikin Comfora installation completed this week in Prestwood ❄️🏡Our engineers have just finished a Daikin Com...
28/08/2026

Twin‑split Daikin Comfora installation completed this week in Prestwood ❄️🏡

Our engineers have just finished a Daikin Comfora twin‑split air‑to‑air heat pump system at a property in Prestwood - serving both a bedroom and the living room with efficient, quiet, year‑round comfort.

The living room unit was installed on an internal wall, but as always, our team had the solution. No external wall? No problem. With clean routing, and precise positioning, the system was installed seamlessly without compromising performance or aesthetics.

What the homeowner now benefits from:

Independent heating & cooling for two key rooms

Quiet, efficient Daikin Comfora fan coils

Clean, tidy installation throughout

A fully commissioned system ready for immediate use

Another technically sound, visually discreet installation delivered by the GMS team.

If you’re considering air conditioning or heat pump solutions for your home, we’re ready to help.

Another upgrade completed in Beaconsfield ❄️🏡Following our recent installation at this Beaconsfield property, our engine...
18/08/2026

Another upgrade completed in Beaconsfield ❄️🏡

Following our recent installation at this Beaconsfield property, our engineers have now added a second Mitsubishi Heavy Industries single‑split air‑to‑air heat pump system - this time serving the open‑plan kitchen space.

To accommodate the internal wall location, the team fitted a condensate pump, ensuring reliable drainage and long‑term performance. As always, the installation was completed with precision, tidy routing, and a clean finish throughout.

What the homeowner now benefits from:

Efficient heating & cooling for the open kitchen

Quiet, reliable Mitsubishi Heavy Industries performance

A discreet wall‑mounted indoor unit

Fully commissioned system ready for year‑round comfort

Another professional residential installation delivered by our engineers - expanding comfort across the home with dependable, high‑quality workmanship.

If you’re considering air conditioning or heat pump solutions, our team is ready to help.

Twin‑split comfort delivered in Maidenhead ❄️🏡Last week our engineers completed a Daikin Comfora twin‑split air‑to‑air h...
10/08/2026

Twin‑split comfort delivered in Maidenhead ❄️🏡

Last week our engineers completed a Daikin Comfora twin‑split air‑to‑air heat pump installation at a property in Maidenhead - providing efficient, year‑round comfort to both the kitchen and master bedroom.

This setup gives the homeowner control across two key living spaces, with quiet, reliable performance from each wall‑mounted unit. As always, the installation was completed with precision and care:

Two sleek Daikin Comfora fan coil units

Clean routing and tidy finishing throughout

Full commissioning and performance testing

A seamless installation designed for long‑term efficiency

Another professional residential project delivered by our team, combining technical expertise with a clean, discreet finish.

If you’re considering air conditioning or heat pump solutions for your home, we’re ready to help.

It’s been a busy few weeks at GMS! We’ve welcomed new engineers into the team and prepared a fresh fleet of vans to supp...
28/07/2026

It’s been a busy few weeks at GMS! We’ve welcomed new engineers into the team and prepared a fresh fleet of vans to support our customers during the peak season.

Thanks to Ford Slough for getting our vehicles lined, secured, and ready to go in under a week — a brilliant effort that helps us stay responsive and reliable for all the homes and businesses we support.

We’re excited to continue growing as part of the wider GS Group and look forward to delivering even more great service across the region.

Another Bourne End home upgraded with year‑round comfort ❄️🏡Last week our engineers completed a single‑split Daikin Sens...
21/07/2026

Another Bourne End home upgraded with year‑round comfort ❄️🏡

Last week our engineers completed a single‑split Daikin Sensira air‑to‑air heat pump installation at a residential property in Bourne End. A clean, efficient system designed to deliver reliable cooling through the summer and comfortable heating in the colder months.

This installation included:

A sleek, wall‑mounted Daikin Sensira indoor unit

Full refrigerant and electrical connections

System commissioning and performance testing

A tidy, discreet finish that blends perfectly into the home

The Sensira range offers excellent efficiency, quiet operation, and dependable performance — and our team ensures every installation is completed to the highest standard.

Another quality installation completed last week ❄️🏡Our engineers have been busy delivering comfort and efficiency acros...
20/07/2026

Another quality installation completed last week ❄️🏡

Our engineers have been busy delivering comfort and efficiency across Buckinghamshire — this time with a twin‑split Daikin Comfora air‑to‑air heat pump system installed at a residential property.

The project included two wall‑mounted fan coil units, each positioned to maximise airflow and comfort throughout the home. One of the units was installed on an internal wall, so our team fitted a condensate pump to ensure reliable drainage and long‑term performance.

What the homeowner now benefits from:

Efficient heating & cooling all year round

Quiet, discreet Daikin Comfora fan coils

Professional routing and finishing throughout

A fully commissioned system ready for immediate use

Another clean, tidy, technically sound installation from our engineers — delivering comfort with precision.

If you’re considering air conditioning or heat pump solutions for your home, our team is ready to help.

Keeping Beaconsfield cool — one home at a time ❄️🏡Yesterday afternoon our engineers were in Beaconsfield, completing a c...
14/07/2026

Keeping Beaconsfield cool — one home at a time ❄️🏡

Yesterday afternoon our engineers were in Beaconsfield, completing a clean and efficient single‑split air‑to‑air heat pump installation. The customer opted for a Mitsubishi Heavy Industries low‑level unit in the living room — a perfect choice for quiet, reliable comfort all year round.

With summer temperatures rising, our team has been working round the clock to equip homes with efficient cooling and heating solutions. This installation included:

Precise placement of the low‑level indoor unit

Full refrigerant and electrical setup

System commissioning and performance checks

A full handover so the homeowner is ready to enjoy instant comfort

Professional workmanship, tidy routing, and a seamless finish — exactly what GMS is known for.

Another premium residential installation completed in Penn ❄️🏡Our team has been putting the finishing touches on a beaut...
13/07/2026

Another premium residential installation completed in Penn ❄️🏡

Our team has been putting the finishing touches on a beautifully discreet Daikin Emura air conditioning system at a detached property in Penn — combining modern design with exceptional performance.

From first survey to final commissioning, every stage was handled by our in‑house engineers to ensure a seamless, professional installation. The homeowner now benefits from:

Ultra‑efficient cooling & heating

Whisper‑quiet operation

Sleek, modern Emura styling that blends perfectly with the home

Reliable performance backed by GMS expertise

We take pride in delivering residential installations that look as good as they perform — with clean workmanship, tidy routing, and attention to detail throughout.

If you’re considering air conditioning for your home, our team can guide you through the best options and provide a flawless installation you can rely on.

We’re excited to announce that we’re looking for an Air Conditioning Engineer to join our team in Bourne End, Bucks, sup...
09/07/2026

We’re excited to announce that we’re looking for an Air Conditioning Engineer to join our team in Bourne End, Bucks, supporting clients across London and the Home Counties. You’ll also be part of the wider GS Group, giving you access to a strong network and long‑term career opportunities.

The role includes:
• Service, maintenance & installation of AC systems
• Competitive pay based on experience
• All expenses covered
• Paid travel time
• Supportive team environment
You must:
• Be F‑Gas registered
• Hold a full UK driving licence

If you or someone you know is looking for a new opportunity with great benefits and a solid team behind them, send us a message or share this post.

03/07/2026

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Bourne End
SL85YS

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