Sustainable Renewable Energy Solutions

Specialists in Air Source Heat Pump and Ground Source Heat Pump installations,
and Underfloor Heating.

Sustainable Heating Services

Save money on your energy bills, reduce your carbon footprint.

Air Source Heat Pumps

Heat your home with energy absorbed from the air around you.

Ground Source Heat Pumps

Heat your home with geothermal energy.

Underfloor Heating

Providing your home with warm and comfortable heated floors.

Heat Pump Servicing

We can service your Air and Ground Source Heat Pump refrigeration.

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We are a STIEBEL ELTRON installer partner

Gretco are an approved installer partner for STIEBEL ELTRON, a leader in renewable heating and hot water technologies, focusing on environmentally friendly solutions. They are committed to developing and producing innovative products that meet the needs of a sustainable future.

Contact Us

We would love to speak with you about your sustainable heating possibilities. Complete the contact form or visit our contact page.

Industry Certifications

In the UK, renewable heating installers must adhere to stringent industry standards and hold relevant certifications to ensure the quality and safety of installations.

Gretco are proud members of the Microgeneration Certification Scheme (MCS), Trustmark, and the Renewable Energy Consumer Code. We are also F-Gas certified and proud NAPIT members. Find out more on our Certifications page.

Important Information

As a responsible supplier, we are part of MCS schemes and hold relevant insurance policies. We adhere to the Renewable Energy Consumer Code and have a P18 Complaints Procedure in place. Information about all of this as well as our company information can be found on our Important Information page

Gretco.
Sustainable Heating Specialists for more than 30 years.

Gretco was established more than 30 years ago and we are at the forefront of sustainable heating technology. Learn about our journey towards a greener future and how we’re shaping the landscape of sustainable heating in the UK.

Client Testimonials

“Our heating bills have been reduced by an astronomical 70%! In addition, with the new RHI scheme now in place, our initial investment will be repaid within 3 years..”
Mr. John Bartholomew, Home Farm