Browse the Top HVAC Contractors Serving Londonderry

Gas & Oil provides expert plumbing, boiler installation, and heating services across Teesside and North Yorkshire. With Gas Safe and OFTEC registered engineers, we deliver reliable domestic and commercial solutions including boiler repairs, underfloor heating, and renewable energy systems. Our Worcester Accredited Installer status ensures quality workmanship and extended product guarantees for customer peace of mind.

J & L Bradley provides expert heating solutions including boiler installations, central heating upgrades, and gas appliance servicing. Based in Knaresborough, we serve Harrogate and surrounding areas with Gas Safe Registered engineers. Our services prioritise energy efficiency, safety, and long-term system reliability for residential customers.

Ingleby Plumbing delivers comprehensive heating and plumbing services across Teesside and the wider North East, specialising in boiler installations, bathroom refurbishments, and 24-hour emergency repairs. As Gas Safe Registered professionals, we serve both residential and commercial clients with multi-brand expertise and a transparent no call-out charge policy. Our reputation, built on many years of reliable workmanship, ensures every project receives exceptional standards from initial quote to final completion.

Combi-UK Heating & Plumbing provides 24/7 emergency and scheduled plumbing and heating services across Middlesbrough and surrounding areas. Specialising in boiler installations, gas safety checks, oil heating systems, and commercial catering equipment maintenance, we combine over 30 years' experience with Gas Safe and OFTEC certifications. Our locally-based engineers deliver reliable solutions for domestic and commercial properties, prioritising safety, efficiency, and customer satisfaction.

MAR Services Direct provides comprehensive heating, plumbing, and renewable energy solutions across Yorkshire. Specialising in boiler installations, servicing, and renewable heating systems, we combine technical expertise with exceptional customer service. Our Gas Safe and OFTEC-certified engineers deliver reliable solutions for residential properties, ensuring optimal system performance and safety compliance.

Marshall Clean Heat and Power specialises in renewable energy systems and efficient heating solutions for residential and commercial properties. We design, install, and maintain air source heat pumps, solar PV, battery storage, and EV charging infrastructure, prioritising sustainability and cost savings. Our MCS-certified team delivers tailored projects across the North East and Yorkshire, backed by 15+ years of expertise and industry accreditations.

York Plumbing and Heating provides expert boiler installations, servicing, and plumbing solutions across York and surrounding areas. With Gas Safe registered engineers and Worcester Bosch accreditation, we deliver reliable heating systems, power flushing, and smart control installations. Established in 2000, our team combines technical expertise with customer-focused service to ensure long-term system efficiency and client satisfaction.

Wharfedale Heating & Boiler Services provides expert heating solutions, including boiler installations, oil tank services, and emergency repairs across Harrogate and North Leeds. With Gas Safe and OFTEC registrations, we deliver tailored systems using high-quality materials. Our 20+ years of experience ensure reliable, compliant service for domestic and commercial clients.

Liam Gray Plumbing provides expert plumbing and heating services in York and North Yorkshire. Specialising in boiler installations, bathroom renovations, and heating system maintenance, we combine technical expertise with reliable service. Our Gas Safe Registered team ensures safe, efficient solutions for residential properties.

Wellwarm Plumbing and Heating is a Gas Safe registered business in Darlington, specialising in central heating systems, boiler installations, emergency plumbing repairs, and bathroom/kitchen fitting services. We serve residential and commercial clients across the North East with a focus on safety, efficiency, and competitive pricing. Our team provides 24/7 emergency support and free quotes, ensuring tailored solutions for every client.