Year-Round Comfort for your Home or Business Across Buckinghamshire

HVAC Heating and cooling systems installed, upgraded and maintained across Buckinghamshire

Heat Pump, Heating, Boiler & Air Conditioning Specialists

Gas Safe registered  | F-Gas certified  | MCS accredited  | 5 star local reviews

Heating & Cooling Systems Buckinghamshire

A warm home in winter.

A cool, comfortable space in summer.


Heating and cooling systems that simply work when you need them.


From high-efficiency boilers and air conditioning to MCS-certified heat pump installations, we design, install and maintain complete heating and cooling systems for homes and commercial properties across Buckinghamshire.


Whether you are replacing an ageing boiler, upgrading to low-carbon heating, or fitting a full system in a renovation, we provide proper design, transparent pricing and long-term accountability.


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MCS Accredited

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Gas Safe Registered

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Five-Star Rated Local Engineers

A white Mitsubishi heat pump unit mounted on a pole outside a building with vertical wooden siding.

Heat Pumps

Low-carbon heating designed for real-world performance.

Heat Pumps
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Boilers

Installation, servicing and repair carried out properly.

Boilers
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Air Conditioning

Reliable cooling, heating, and air filtration control.

Air Conditioning

Central Heating

Efficient heat distribution and control.

Central Heating

Wood Burners

Installation and servicing of wood burning stoves.

Wood Burners

Underfloor Heating

Low-temperature heating with even heat distribution.

Underfloor Heating

Heat Pumps

Low-carbon heating designed for real-world performance.

Heat Pumps

Boilers

Installation, servicing and repair carried out properly.

Boilers

Our Plumbing, Heating & Cooling Services across Buckinghamshire

All services are delivered by in-house engineers and supported long after installation. 


Up to £7500 government grants available on eligible heat pump installations in Buckinghamshire. We help take care of the whole process.

Our Plumbing Services across Buckinghamshire

All Plumbing works from new taps through to full system installations.

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Plumbing

Professional plumbing services across homes and businesses.

Plumbing
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Bathrooms

Complete bathroom installation and refurbishment services.

Bathrooms

Commercial Plumbing

Keeping things flowing at work.

Commercial Plumbing

Plumbing

Professional plumbing services across homes and businesses.

Plumbing
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Commercial Services

Heating, cooling and mechanical services for commercial buildings.

Commercial Services
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Principal Contracting

End-to-end mechanical, HVAC and plumbing delivery for commercial projects.

Principal Contracting

Subcontracting

Reliable HVAC and plumbing subcontract delivery for construction programmes.

Subcontract Delivery

Planned Maintenance

Planned maintenance, compliance and system support for commercial buildings.

Planned Maintenance

Commercial Services

Heating, cooling and mechanical services for commercial buildings.

Commercial Services

HVAC & Mechanical Contractors Buckinghamshire

At GMS, we also deliver engineering-led solutions for commercial heating, cooling, and mechanical systems, supporting developers, contractors, and facilities teams.


If you are looking for a mechanical engineer contractor in Buckinghamshire with depth and breadth of experience across projects, our mechanical solutions division has experienced teams across England.


We support businesses, estates and developments with reliable engineering and long-term support with commercial-specific services alongside our traditional heating and cooling solutions.

Our Simple 3-step Process

1

Visit

We visit the property to get the full scope of work.

2

Quote

We send a detailed and transparent quote along with timescales.

3

Completed

Work completed with all relevant guarantees and aftercare.

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Transparent pricing & quotations

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20+ years installation and mechanical engineering experience

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Full system lifecycle Services

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Fully insured with strong workmanship guarantees

Why Choose Green Mechanical Solutions

  • MCS-accredited heat pump specialists
  • Gas Safe registered for domestic and commercial systems
  • Worcester Bosch accredited installers
  • Grant accredited installers
  • Oftec-accredited installers


At GMS, we take what we do seriously. We ensure all our gas and heating engineers are accredited to a high standard, so you know you are getting the right level of workmanship on every project.

Who We Work With across Buckinghamshire

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Homeowners

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High-end residential clients

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Contractors

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Developers

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Commercial building managers

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Facilities teams

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Housing associations

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Estate agents

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M&E partners

We work across a wide range of property types, providing tailored expertise for each environment.

Our Reviews and Testimonials

What Our Buckinghamshire Customers Have to Say

AREAS WE COVER

Serving Homes and Businesses Across Buckinghamshire

Green Mechanical Solutions offers plumbing, heating and cooling solutions for homeowners and businesses across:

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Buckingham

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Milton Keynes

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Bletchley

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Aylesbury

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Stony Stratford

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Winslow

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Calvert

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And other Buckinghamshire towns and villages

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and surrounding villages.

If your area is not listed, just get in touch. We likely cover it.


Our commercial work covers England as clients and contractors take us wherever they go.

Are you a Homeowner experiencing these problems?

These issues are common, and most can be resolved quickly with the right diagnosis. Solve these and more with our residential plumbing, heating, and cooling solutions for homeowners.

A black thermometer icon with a snowflake symbol next to it, representing cold temperature.

Cold rooms or uneven heating

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Noisy or unreliable boilers

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Inefficient or faulty heat pumps

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High energy bills

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Homes overheating during summer

Our Latest News and Blog

Want to understand the comparison of central heating and air conditioning? Or the benefits of heat pumps? Our blog makes the industry information digestible and usable.

Ground-level view of trenches in a field with coiled black geothermal heat pump tubing laid out for installation.

What is a Ground Source Heat Pump?

By Samuel Roberts • January 24, 2026
So, what is a Ground Source Heat Pump?
A wall-mounted white Worcester Bosch boiler in a green room with shelves containing home decor and a plant.

How Do You Choose the Best Central Heating System for Your Home?

By Samuel Roberts • January 24, 2026
What is Central Heating?
A modern laundry room with white cabinets, a washing machine, floating shelves, and a black wall-mounted water heater.

Simple Ways to Help You Understand Your New Gas Boiler

By Samuel Roberts • January 24, 2026
Components of a Gas Boiler

Accredited Heating Engineers in Buckinghamshire

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An orange and green rectangle logo for a Registered Heating Business, featuring an OFTEC water drop and triangle emblem.
The yellow Gas Safe Register logo featuring the text "GAS safe REGISTER" in black.
Logo for an approved heating installer displaying MCS Certified and OFTEC Registered Heating Business certifications.

Ready To Get Started?

Whether you’re improving your home or managing a commercial property, we provide clear guidance, accurate pricing and dependable engineering support.

Or call us now.

Are you a Homeowner experiencing these problems?

These issues are common, and most can be resolved quickly with the right diagnosis. Solve these and more with our residential plumbing, heating, and cooling solutions for homeowners.

A black icon of a thermometer next to a snowflake, representing cold temperature or a cooling setting.

Cold rooms or uneven heating

Black speaker icon with sound waves, representing volume or audio settings.

Noisy or unreliable boilers

Black icon of an air conditioning unit with a fan and ventilation slats.

Inefficient or faulty heat pumps

A black icon of an electricity bill featuring a lightning bolt symbol and a pound sterling currency sign.

High energy bills

A black icon depicting a thermometer superimposed on a sun, representing temperature or weather.

Homes overheating during summer