About RBSi

About RBSi

Engineering Better Heating Solutions for Ireland & the UK

At RBSi, we do not just supply heating systems. We engineer complete low-carbon energy solutions designed to perform in the real world, not just on a glossy brochure.

With over 25 years of experience in Heat Pump Technology and thousands of successful installations across Ireland and the UK, RBSi has built a reputation for technical expertise, honest advice, and systems that actually work when winter hits and energy costs spike.

We work closely with developers, mechanical consultants, installers, architects, and homeowners to deliver high-performance renewable heating solutions that are efficient, reliable, and future-ready.

What We Do

RBSi specialises in:

  • Air-to-Water Heat Pumps
  • Exhaust Air Heat Pumps (EAHP)
  • Underfloor Heating Systems
  • Mechanical Ventilation with Heat Recovery (MVHR)
  • Thermal Storage Technology
  • Smart Heating Controls
  • Commercial & Residential Renewable Energy Systems

From single homes to large-scale developments, we provide a complete support package including:

  • Detailed room-by-room heat loss calculations
  • System design & specification
  • Underfloor heating loop CAD drawings
  • Product supply
  • Commissioning & technical support
  • Consultant and developer collaboration
  • In simple terms:
    We bridge the gap between engineering theory and what actually works on site.

Because anyone can sell a heat pump.
Designing one properly is the hard part.

Technical Expertise That Goes Beyond Sales

Unlike many suppliers in the market, RBSi comes from an engineering-first background.

Our team has extensive experience working with:

  • High-performance heat pump systems
  • Low-energy homes
  • Apartment developments
  • Schools and commercial buildings
  • Future Homes Standard projects
  • Advanced control strategies
  • Integrated ventilation systems

We understand the challenges installers and developers face because we deal with them daily on live projects across Ireland and the UK.

That experience allows us to identify issues before they become expensive problems.

Innovation & Product Development

RBSi is heavily involved in the development of next-generation renewable technologies, including:

e.VEN Exhaust Air Heat Pump

An advanced all-in-one system providing:

  • Heating
  • Hot water
  • Mechanical ventilation

All from a single indoor unit.

PhaseStor Thermal Storage

A cutting-edge thermal storage solution using bio-based phase change materials designed to improve system efficiency and renewable integration.

Smart Energy Integration

We continue to explore AI-powered predictive maintenance, advanced controls, and energy optimisation technologies to improve long-term performance and user experience.

Why Clients Choose RBSi

Clients work with RBSi because we are practical, technical, and transparent.

We believe:

  • Oversized or undersized systems cost money
  • Proper design matters more than marketing
  • Technical support should actually be technical
  • Renewable systems should deliver comfort and savings, not headaches

Our approach is straightforward:
Design it properly. Install it properly. Support it properly.

Simple. Effective. No smoke and mirrors.

Working Across Ireland & The UK

RBSi now operates across all counties in Ireland, including Northern Ireland, and continues to expand throughout the UK market.

We work closely with:

  • Mechanical consultants
  • Developers
  • Main contractors
  • M&E contractors
  • Preferred installer networks

Our goal is simple:
Help accelerate the transition toward smarter, more efficient low-carbon buildings without compromising performance or reliability.

The Future

The renewable energy sector is changing rapidly. Regulations are tightening, energy costs remain unpredictable, and building performance standards continue to rise.

RBSi is focused on staying ahead of that curve through:

  • Engineering-led design
  • Innovative technologies
  • Smarter system integration
  • Long-term partnerships

We are not interested in quick wins or short-term trends.

We are building systems designed for the next 20 years, not the next sales quarter.

Get In Touch

Whether you are planning a new development, upgrading an existing system, or simply looking for honest technical guidance, the RBSi team is here to help.

📍 Ireland & UK
🌐 www.rbsi.ie
📧 Mike teahan
📞+353 87 1601482