Greenergy

Expert Hands, Exceptional Results

Same‑Day HVAC and Electrical Services

Certified specialists delivering reliable Air Conditioning, Ventilation, Refrigeration

and Electrical Services for homes and businesses across London.

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Emergency Service

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24/7 Reliable Comfort and Climate Control Services

Reliable HVAC & Electrical Experts You Can Trust

Thames Greenergy delivers a full range of air conditioning, ventilation, refrigeration and electrical services designed to ensure comfort, efficiency and long‑term reliability.

EXPERT HVAC & Electrical Services

We Deliver Comfort and Efficiency

Energy-efficient air conditioning unit in a bright modern living room

Air Conditioning

Stay cool and comfortable with our climate solutions.

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Ventilation

Ventilation

Fresh, clean air for healthier living and optimal comfort.

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cold-room

Cold Room

Reliable storage for keeping goods at perfect temperatures.

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Refrigeration

Refrigeration

Expert commercial refrigeration services.

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Electrician

Residential Electrician

Residential electrical services for homes.

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Electrician

Commercial Electrician

Commercial electrical services for businesses.

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Air-Conditioning

Trusted Service Experts

Why Choose Thames Greenergy

Fast repairs, fair prices & comfort made simple

Our certified technicians deliver fast, affordable and reliable Air Conditioning, Ventilation, refrigeration and electrical services. We focus on your comfort, privacy and peace of mind—because every client deserves honest service and dependable results.

  • Expert Repair & Installation 95% 95%
  • Upfront & Fair Pricing 90% 90%
  • Satisfaction Guarantee 95% 95%

Our Work Speaks for Itself

Projects That Deliver Real Results!

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Outdoor_unit
Electrician
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Outdoor_unit
Electrician

Complete Service Options for Every Solution

Professional HVAC & Electrical Services

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Installation

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Commissioning

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Maintenance

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Repair

Our Pricing Plans

The Best price plan for HVAC

Basic Home Service Plan

£79-99 / per service

Perfect for homeowners and small offices looking for reliable seasonal maintenance. This plan keeps your heating and cooling system clean, and running smoothly all year round.

Standard Commercial Plan

£199-299 / per service

Designed for small and medium‑sized businesses requiring consistent performance and reduced downtime. Our 6‑month plan ensures system health through preventive maintenance.

Professional Plan

£399-699 / per service

The perfect long‑term solution for advanced systems and high‑demand environments. Enjoy full system reliability, energy savings, and premium Greenergy support—all year round.

Instant HVAC Price Estimator

Get an accurate cost estimate before scheduling your service

Use our quick estimator tool to calculate the approximate cost for your HVAC project. Simply select the type of service, brand, and number of units to receive a quote tailored to your needs. It’s fast, transparent, and helps you plan your budget with confidence before booking your service.

If you’re exploring additional services such as Refrigeration and Electrician Services, you can easily view cost estimators using the “View All Estimators” button below. 

Please note that this is a preliminary estimate, and the final price will be confirmed after an on‑site inspection and completion of the work.

Frequently Asked Questions

Your questions about HVAC & Electrical Services

What areas do you cover?

We provide installation, repair and maintenance services across London and the surrounding areas. If you are not sure whether we cover your location, just contact us and we’ll confirm.

Do you offer free quotes?

Yes. We provide free, no‑obligation quotes for all AC, ventilation, refrigeration and electrical projects. Simply get in touch with a few details about your property and the service you need, and we’ll get back to you with an estimate.

Are your engineers certified and insured?

Absolutely. Our engineers are qualified, certified and insured to carry out both residential and commercial work safely and professionally.

Do you provide emergency call‑outs?

Yes. We offer a fast response for urgent breakdowns and critical issues, depending on your location and the type of service required. Contact us by phone for the quickest response in an emergency.

Do you offer warranty on your installations and repairs?

Yes. All installations come with manufacturer warranty on equipment and a workmanship guarantee from us. We will explain the specific warranty terms for your project before any work starts.

What types of properties do you work with?

We work with a wide range of properties, including homes, offices, shops, restaurants, commercial buildings and industrial facilities.

Our partners

Brands We Collaborate With

DAIKIN
DAIKIN
PANASONIC
Panasonic
LG Air Conditioning Logo
LG Air Conditioning Logo
Mitsubishi
Mitsubishi
Fujitsu Air Conditioning Logo
Fujitsu Air Conditioning Logo