Air Source Heat Pumps
Low-carbon heating systems designed around detailed heat-loss calculations and your property's requirements.
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Trusted Heating & Renewable Energy Specialists
Building Smarter,
Building Smarter,
More Efficient Homes Since 2000
Renewable Energy • Heating • Air Conditioning • Solar PV • Plumbing
Helping homeowners across Hertfordshire and the South East reduce energy bills through expertly designed renewable-energy systems, high-efficiency heating and professional installation backed by more than 25 years of engineering experience.
25+
Years of Experience
Thousands
of Successful Projects
Award Winning
Customer Service
Octopus
Trusted Partner
Fast Quotations
Heat pumps, Solar PV, boilers and Air Conditioning.
Servicing & Repairs
Professional support for heating and plumbing systems.
Grants & Funding
Guidance on support for eligible energy upgrades.
Heating, Renewables & Energy Efficiency Specialists
NCS combines more than 25 years of plumbing and heating experience with modern renewable-energy expertise.
We provide professional Air Source Heat Pump, Solar PV, Air Conditioning, boiler, plumbing and energy-efficiency services for homeowners, landlords, councils, housing associations, schools and commercial organisations.
Every project is managed with the same focus on technical quality, clear advice, professional workmanship and dependable aftercare.
Traditional engineering values. Modern energy solutions.
From an emergency heating repair to a complete renewable-energy upgrade,
the NCS team is here to help.
Everything You Need to Improve Your Home
From renewable heating and Solar PV to boilers, Air Conditioning, plumbing and insulation, NCS provides complete property and energy solutions through one experienced local team.
Solar PV & Batteries
Generate and store your own clean electricity with a system tailored to your roof, property and energy usage.
Explore Solar PV →Boiler Installation
Reliable gas, oil and LPG boiler installations from established manufacturers and accredited engineers.
Explore Boilers →Servicing & Repairs
Boiler servicing, heating repairs and ongoing maintenance to help keep your property safe and comfortable.
Explore Servicing →Air Conditioning
Efficient heating and cooling solutions for individual rooms, complete homes, offices and commercial spaces.
Explore Air Conditioning →Plumbing & Heating
General plumbing, heating upgrades, bathroom work, leaks, repairs and property maintenance.
Discuss Your Requirements →
25+
Years of Industry Experience
Thousands
of Successful Projects
Award Winning
Customer Service & Installation
Complete Support
Assessment Through to Aftercare
Octopus Trusted Partner & Cosy Accredited Installer
NCS is proud to be recognised as an Octopus Trusted Partner and a Cosy Accredited Installer.
These partnerships reflect our expertise in designing and installing modern low-carbon heating systems and our commitment to high-quality customer service.
Customers can choose NCS with confidence, knowing their project is being delivered by an experienced and recognised renewable-energy specialist.
Discuss Your Renewable ProjectHow We Help You Lower Energy Bills
A straightforward process that keeps the clarity of the current homepage while presenting it in a cleaner, more professional format.
1
Assess
We review your property, current heating setup, energy usage, priorities and budget.
2
Recommend
Our team prepares clear, property-specific recommendations and a transparent quotation.
3
Install & Support
Qualified engineers complete the installation, followed by servicing, maintenance and ongoing support.
Making Energy Improvements Affordable
Options may be available to help reduce upfront costs or spread the cost of qualifying installations.
Government Grants
Funding may be available for eligible low-carbon heating and energy-efficiency upgrades.
Flexible Finance
Spread qualifying installation costs through manageable monthly payments, subject to status and terms.
Expert Guidance
We help explain the available routes and guide customers from assessment through to completion.
Why Homeowners Choose NCS
Genuine customer feedback presented in a cleaner version of the current homepage review section.
★★★★★
“From the outset I felt comfortable with NCS and this confidence continued through every stage. I would wholeheartedly recommend them.”
Peter Vaiciukas Google Review★★★★★
“Really good professional service. No messing about, and the new boiler was fitted within the day.”
Sean Mills Google Review★★★★★
“The engineers were brilliant and the office team kept us informed throughout the whole process.”
Roberta Davies Google ReviewEarn £100 for Every Successful Referral
Recommend NCS to friends, family or neighbours considering heating, renewable-energy or efficiency upgrades and receive £100 for every qualifying successful installation.
Accredited, Approved & Trusted
Ready to Improve Your Home?
Whether you are considering an Air Source Heat Pump, Solar PV, Air Conditioning, a replacement boiler or general heating support, our experienced team is ready to help.