Heating and cooling systems

Delivering efficient and reliable heating and cooling solutions to ensure optimal comfort and energy performance for homes and businesses in Devon and Cornwall.

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Heating and cooling systems

Optimising comfort with precision

ISO 9001
RECC
MCS
NICEIC Approved Contractor
SafeContractor
Gas Safe
F Gas
TrustMark

Eljay Energy specialises in the design, installation, and maintenance of bespoke heating and cooling systems tailored to meet the unique requirements of each client. Our family-run business brings expertise and innovation to both residential and commercial spaces, offering solutions that not only enhance comfort but also drive energy efficiency and sustainability.

From domestic gas installations to advanced commercial HVAC solutions, we equip homes and businesses across Devon and Cornwall with systems that ensure year-round optimal temperatures, reduced energy consumption, and improved air quality.

Tailored heating and cooling

Tailored heating and cooling

We customise every heating and cooling solution to ensure the perfect fit for your space, delivering maximum efficiency and comfort.

Energy efficient systems

Energy efficient systems

Designed with energy conservation in mind, utilising the latest technologies to reduce your carbon footprint and lower utility bills.

Expert installations and support

Expert installations and support

With a team of highly skilled technicians, we guarantee precise installation and thorough maintenance services.

Innovative technology

Innovative technology

We offer systems that not only meet today’s standards but are also prepared for the future, ensuring you benefit from the options available.

Advanced heating and cooling solutions
Eljay Energy Installations
Advanced heating and cooling solutions
Eljay Energy Installations
Advanced heating and cooling solutions
Eljay Energy Installations
Advanced heating and cooling solutions
Eljay Energy Installations
Committed to quality, innovation, and customer satisfaction
Eljay Energy Customer
Committed to quality, innovation, and customer satisfaction
Eljay Energy Customer
Committed to quality, innovation, and customer satisfaction
Eljay Energy Customer
Committed to quality, innovation, and customer satisfaction
Eljay Energy Customer

What our clients are saying about us

"What lovely, friendly and professional chaps. No messing around, in and job done! Even cleaned up, leaving a very happy customer. Many thanks Eljay!"

Miss Dunn, in Rock

"I was very satisfied with the work and staff attitude."

Ms Shaw, in Bude

"Really lovely bunch of lads and really hard grafters."

Miss Claringbold, in Falmouth

"All the men that have come and done the work have been polite, a credit to the company."

Ms Trethewey, in Truro

"I used to have an electrical business and if I had someone like that working for me, I would be very happy. I was very impressed with him, the boy was faultless."

Mr Yeo, in Bodmin

"I didn't know much about air source heat pumps before Eljay Energy came out, but we sure know about benefits now! Thank you Eljay Energy for the support."

Mr S, in Torbay

"I'd like to say thank you to Eljay Energy for their support with our kitchen rewire. They were able to work around the kitchen fitters so that there weren't any delays. Thanks team!"

Ms F, in Modbury

"From the outset it has been a good journey ... advice on the products I would need .. how its fitted ..when it would be fitted ... how much it would cost and dealing with the power companies was brilliantly executed on time and on budget by Martin and his team at ELJAY energy."

Peter, in Plymouth

"Martin and his team have done some major work for me from installing solar panels and batteries, to white goods and garden lighting. Always a pleasure; team are polite, tidy and punctual. Importantly, Martin always follows up to ensure customer satisfaction. Special mention to Pete who treats your home like his own - gold standard. Thanks guys and strongly recommended!"

Mr Brimacombe, in Ivybridge

"Eljay Energy did a great job with our new heating system. Quick, neat, and our house is warmer than ever. Saved money on our bills too. Would use them again!"

Mrs A, in Plymouth

"Great company to worth with. Great Installation on solar panels by Matt and the guys. Were respectful of property and all round great service."

Mr Pring, in Plympton

"Solar array and batteries fitted by Eljay and their roofing/scaffolding contractors. 1st class service all round, great communications, all questions answered and clear advice received which really helped our decision making. An excellent team performance from all their friendly and professional staff. Highly recommended."

Mr R Gavens, in Millbrook

"The professionalism and politeness was second to none, couldn't rate them any better. They were so kind and courteous, they even made me cups of tea! The ladies over the phone were lovely as well. I have been telling everyone about this company and how great they were."

Mr Bettison, in Liskeard

“Eljay Energy exceeded all our expectations! From the initial consultation to the final installation, their team was professional, knowledgeable, and incredibly patient with all our questions.”

Ms T, in Roborough