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Expert Plumbing & Heating Solutions in Ayrshire
R J McCulloch is a family-run business serving Ayrshire, Glasgow, and South Scotland with reliable plumbing and heating solutions. Established over two decades ago, we specialise in renewable energy systems, including air source heat pumps, ground source heat pumps, and biomass boilers, alongside traditional plumbing services. As approved installers for leading manufacturers like Mitsubishi, Windhager, and Baxi, our team of Gas Safe and OFTEC-registered engineers ensures compliance and expertise in every project. We prioritise energy efficiency, offering consultations to calculate savings and guaranteeing all works for two years. Our commitment to quality extends to commercial clients, delivering reactive maintenance, installations, and certifications tailored to sectors like hospitality, transport, and offices.With accreditations from MCS, Green Deal, and SafeContractor, we combine technical proficiency with customer-centric service. Our engineers expertise in repairs and system design ensures cost-effective solutions, supported by access to government incentives like the Renewable Heat Incentive. From domestic boiler replacements under the Warmworks scheme to large-scale commercial projects, we blend innovation with reliability. Client testimonials highlight our professionalism, from seamless installations to thorough post-service support. Whether modernising heating systems or addressing urgent maintenance needs, we deliver tailored, sustainable solutions that enhance comfort and reduce costs.
Services
Air Source Heat Pumps
Biomass Boilers
Gas Safe Services
OFTEC Registered Installations
Renewable Energy Consultations
Highlights and features
- We have over 20 years of experience in plumbing and heating installations.
- Our engineers are Gas Safe and OFTEC registered for compliance assurance.
- We offer guaranteed repairs and installations with manufacturer-backed warranties.
- Approved installers for Mitsubishi, Windhager, and Baxi renewable energy systems.
- We provide tailored solutions for domestic and commercial clients across Scotland.
Associations and certifications
- Gas Safe Register
- OFTEC
- MCS (Microgeneration Certification Scheme)
- Green Deal
- SafeContractor
- Constructionline
- Energy Saving Trust
What people say
Much more efficient
Happy with installation
Cost-effective solutions
Seamless paperwork support
Professional and obliging
Services
Air Source Heat Pumps
We install and service air source heat pumps, which generate three kilowatts of heat per kilowatt of electricity. These systems reduce energy bills by up to 70% compared to traditional heating. Ideal for homes and businesses transitioning to renewable energy, our MCS-certified installations ensure compliance and efficiency.
Biomass Boilers
Our biomass boiler installations utilise organic fuels to provide sustainable heating for domestic and commercial properties. Approved by MCS and Green Deal, these systems qualify for Renewable Heat Incentive payments. We handle full project design, installation, and ongoing maintenance.
Gas Safe Services
We offer Gas Safe-certified boiler installations, repairs, and safety certifications for domestic and commercial clients. Services include LPG systems, landlord safety checks, and new-build heating setups. All work is guaranteed for two years with manufacturer-backed warranties.
OFTEC Registered Installations
Our OFTEC-registered engineers specialise in oil-fired boiler installations and servicing. We ensure compliance with industry standards for efficiency and safety. Services include system design, commissioning, and support for rural properties off the gas grid.
Renewable Energy Consultations
We provide tailored consultations to assess energy savings and recommend renewable heating solutions. This includes RHI eligibility assessments, system design, and funding scheme guidance. Our expertise ensures optimal efficiency and cost-effectiveness for each project.
People
Ross McCulloch
Owner
Ross leads R J McCulloch with over 20 years in plumbing and heating. He specialises in renewable energy systems, ensuring installations meet MCS and Green Deal standards. His hands-on approach guarantees client satisfaction from design to post-installation support.
Fallon Heggie
Owner
Fallon co-owns R J McCulloch, managing operations and client relations. With a focus on commercial projects, she ensures timely delivery of heating solutions tailored to sectors like hospitality and transport. Her expertise spans system design and compliance.
Questions
What renewable energy systems do you install?
We install air source heat pumps, ground source heat pumps, biomass boilers, and solar thermal systems, all MCS-certified for Renewable Heat Incentive eligibility.
Are you Gas Safe and OFTEC registered?
Yes, our engineers are Gas Safe (500903) and OFTEC (C100245) registered, ensuring compliance with UK safety and quality standards.
Can you help with boiler replacements under the Warmworks scheme?
Yes, we offer fully accredited boiler replacements under the Scottish Government's Warmworks scheme, including funding support and certifications.
Do you provide commercial maintenance services?
Yes, we offer reactive maintenance, servicing, and certifications for commercial clients, including gas safety checks and system upgrades.
What areas do you cover?
We serve Ayrshire, Glasgow, Dumfries & Galloway, Renfrewshire, and South Lanarkshire for domestic and commercial heating solutions.
How do I claim Renewable Heat Incentive payments?
We assist with RHI applications, providing necessary documentation and system details to ensure eligibility and smooth claims processing.
