Business Details
Expert HVAC Installation and Repair Services
Assured Heating has been delivering expert heating solutions across Glasgow and Lanarkshire for over 25 years. Founded by Clark Pheely, whose career began alongside his father before establishing this dedicated business, we combine generational expertise with modern technical proficiency. Our team holds OFTEC, Corgi, and Worcester Bosch accreditations, ensuring every installation, repair, and maintenance service meets rigorous industry standards. Specialising in oil, electric, and gas systems, we uniquely advise clients on tailored heating solutions that align with their lifestyle and budget. With no reliance on sales personnel, our qualified engineers handle every project from initial consultation to completion, providing transparent pricing and consistent communication.We stand behind our work with comprehensive warranties - 12 years for gas boilers and 7 years for oil boilers - reflecting our confidence in long-term system reliability. Our commitment to quality extends to using premium products like Dimplex storage heaters and Thermaflow electric boilers, while maintaining flexibility to service existing systems regardless of brand. This combination of technical excellence, customer-focused service, and industry recognition has earned us a trusted reputation and numerous repeat clients across residential and commercial sectors.
Services
Electric Boilers
Storage Heaters
Oil Boiler Installations
Gas Boiler Repairs
Oil Tank Replacement
Highlights and features
- 25 years of combined industry experience from our lead professionals
- OFTEC and Corgi accredited engineers ensure compliance and quality
- Direct manufacturer partnership with Worcester Bosch for premium systems
- Transparent pricing with no sales personnel involved in project scoping
- Comprehensive warranties: 12 years on gas boilers, 7 years on oil boilers
Associations and certifications
- OFTEC
- Corgi
- Worcester Bosch
What people say
Excellent service
Reliable
Competitive pricing
Efficient work
Friendly team
Services
Electric Boilers
We install and repair electric boilers from leading brands including Thermaflow and Amptec. Our systems utilise Economy 2000 tariffs for cost-effective operation, storing heat energy for 18 hours daily while maintaining 24/7 heating availability. All installations comply with current electrical safety standards and building regulations.
Storage Heaters
Supply and installation of Dimplex Quantum storage heaters offering 27% lower running costs versus standard models. These high-efficiency systems automatically adjust to user patterns while providing rapid heat-up through fan-assisted output, suitable for both domestic and commercial properties.
Oil Boiler Installations
Complete oil boiler installation service featuring Worcester Bosch accredited workmanship. We handle all aspects from system design to commissioning, including HVO fuel compatibility assessments following recent government regulatory changes affecting kerosene systems.
Gas Boiler Repairs
Emergency and scheduled gas boiler repairs conducted by Corgi-registered engineers. Our service covers fault diagnosis, component replacement, and system optimisation for both domestic and commercial central heating installations across Glasgow and Lanarkshire.
Oil Tank Replacement
Professional oil tank replacement service meeting current safety regulations. We provide free no-obligation quotes and handle complete removal of old tanks alongside installation of modern, compliant storage solutions for residential properties.
People
Clark Pheely
Owner & Lead Engineer
With over 25 years in the heating industry, Clark established Assured Heating after training with his father. He personally oversees all projects, combining traditional craftsmanship with modern technical expertise to deliver reliable heating solutions.
Questions
What heating systems do you handle?
We specialise in oil, electric, and gas heating systems including boiler installations, storage heaters, and oil tank replacements across residential and commercial properties.
Are your engineers qualified?
Our team holds OFTEC, Corgi, and Worcester Bosch accreditations, with 25+ years combined experience in heating system installation and maintenance.
Do you offer boiler warranties?
Yes, we provide 12-year warranties on gas boilers and 7-year warranties on oil boilers for parts and labour.
Can you service existing systems?
We service all major boiler brands including Worcester Bosch, Redring, and Gledhill, regardless of original installation provider.
Do you handle emergency repairs?
While we don't offer 24/7 emergency service, we prioritise urgent heating issues and aim to respond within one working day.
What areas do you cover?
We operate throughout Glasgow and Lanarkshire, including Motherwell, Airdrie, Cumbernauld, and Hamilton.
