
Expert Vented & Unvented Hot Water Systems in Windsor
Same-day emergency repairs, system upgrades, and comprehensive maintenance services for all makes and models of vented and unvented hot water cylinders in Windsor.
Comprehensive Vented & Unvented Hot Water Solutions
Whether you need a new hot water cylinder installation, urgent repair, or system upgrade in Windsor, our qualified heating engineers provide comprehensive solutions for both vented and unvented systems. We serve all Windsor properties from period homes to modern developments.
How It Works
Unvented Hot Water Systems
High-pressure mains-fed systems delivering powerful hot water flow to multiple outlets simultaneously. Perfect for Windsor homes with good mains pressure requiring premium performance and space-saving design.
Vented Hot Water Systems
Traditional indirect systems with separate cold water storage. Reliable solution for Windsor properties with lower mains pressure or specific installation constraints where header tanks are preferred.
Emergency Repairs & Maintenance
24/7 emergency callout service for urgent hot water cylinder repairs across Windsor. Annual servicing and component replacement for all makes and models to ensure reliable operation.
System Upgrades & Replacements
Professional upgrading from old cylinders to modern efficient systems, including converting from vented to unvented where suitable for improved performance and space saving.

Why Upgrade Your Hot Water System in Windsor?
Modern vented and unvented hot water systems deliver superior performance, efficiency, and reliability for Windsor homeowners. Our professional installations ensure you get maximum benefits from your investment.
Our Professional Hot Water System Installation Process
We follow a systematic approach ensuring your new hot water system is perfectly suited to your Windsor home's needs and installed to the highest Building Regulations standards.
Property Assessment
Free comprehensive survey of your Windsor property to assess water pressure, space requirements, existing system condition, and suitability for different hot water solutions.
System Recommendation
Detailed recommendation of the most suitable vented or unvented system based on your household needs, property characteristics, and budget requirements.
Detailed Quotation
Comprehensive written quote including all materials, labour, and any necessary upgrades to pipework, controls, or safety equipment with transparent pricing.
Expert Installation
Professional installation by qualified unvented engineers, including all necessary safety equipment installation and full Building Regulations compliance certification.
System Commissioning
Thorough testing and commissioning of your new system, including user instruction, handover documentation, and warranty registration for peace of mind.
Ongoing Maintenance
Annual service reminders and ongoing maintenance support to keep your hot water system operating efficiently and maintain warranty coverage.
Property Assessment
Free comprehensive survey of your Windsor property to assess water pressure, space requirements, existing system condition, and suitability for different hot water solutions.
System Recommendation
Detailed recommendation of the most suitable vented or unvented system based on your household needs, property characteristics, and budget requirements.
Detailed Quotation
Comprehensive written quote including all materials, labour, and any necessary upgrades to pipework, controls, or safety equipment with transparent pricing.
Expert Installation
Professional installation by qualified unvented engineers, including all necessary safety equipment installation and full Building Regulations compliance certification.
System Commissioning
Thorough testing and commissioning of your new system, including user instruction, handover documentation, and warranty registration for peace of mind.
Ongoing Maintenance
Annual service reminders and ongoing maintenance support to keep your hot water system operating efficiently and maintain warranty coverage.
Qualified Hot Water System Specialists in Windsor
Professional Certifications & Compliance

Gas Safe Register

RECC

MCS
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APHC Member

Trusted by TrustATrader
Our engineers hold all necessary qualifications and certifications for safe, compliant hot water system installation and maintenance in Windsor, ensuring your system meets all regulatory requirements.
Why Windsor Residents Choose BNA for Hot Water Systems
Local Expertise, Professional Service, Guaranteed Results
Local Windsor Specialists
Deep understanding of Windsor property types, water pressure variations, local installation challenges, and Building Control requirements specific to the area.
Fully Qualified Engineers
All engineers hold relevant certifications including unvented hot water qualifications, Gas Safe registration, and Water Regulations approval for complete compliance.
Complete Service Package
From initial assessment through installation, commissioning, annual servicing, and emergency repairs - comprehensive hot water solutions under one roof.
Premium Equipment Brands
We supply and install leading brand cylinders including Megaflo, Telford, and OSO with full manufacturer warranties for long-term reliability and performance.
Transparent, Fair Pricing
Honest, competitive pricing with detailed quotes and no hidden extras. All costs explained upfront for Windsor customers with flexible payment options.
24/7 Emergency Support
Rapid response emergency repairs to restore hot water supply when you need it most, with same-day service available across Windsor and surrounding areas.

What Our Customers Say
Trusted by homeowners across Devon for renewable energy solutions
Sarah Mitchell
Reading
Excellent heat pump installation service
"BNA Plumbing installed our air source heat pump and the service was outstanding. Professional, punctual, and the system is working perfectly. Highly recommend their renewable energy expertise!"
James Thompson
Bracknell
Professional boiler installation
"Had our new gas boiler installed by BNA Plumbing. The team was professional, clean, and completed the work on time. Great value for money and excellent customer service throughout."
Emma Wilson
Windsor
Reliable emergency plumbing service
"Called BNA Plumbing for an emergency leak on a Sunday. They responded quickly and fixed the issue professionally. Fair pricing and excellent service - will definitely use again."
Frequently Asked Questions - Hot Water Systems Windsor
Expert Answers to Common Hot Water System Questions
Vented systems use a cold water storage tank in the loft and operate at low pressure, suitable for properties with lower mains pressure. Unvented systems connect directly to the mains for high-pressure hot water throughout your Windsor home, providing better flow rates but requiring minimum 1.5 bar mains pressure and annual servicing.
Unvented hot water systems require Building Regulations notification and must be installed by qualified engineers with unvented qualifications. Vented system replacements typically don't require approval if replacing like-for-like, but our engineers will advise on specific requirements for your Windsor property.
Simple cylinder replacement usually takes 4-6 hours for most Windsor homes. Converting from vented to unvented or significant pipework changes may require 1-2 days depending on your property's layout and any additional upgrades needed for compliance.
Cylinder size depends on household size and usage patterns. Typical recommendations: 1-2 people (150L), 3-4 people (210L), 5+ people (300L). We assess your specific needs during our free survey, considering peak demand times and your Windsor property's characteristics.
Unvented systems require annual servicing by qualified engineers to maintain safety and warranty coverage. This includes testing pressure relief valves, expansion vessels, temperature relief valves, and other safety components to ensure continued safe operation.
Usually yes, provided you have adequate mains water pressure (minimum 1.5 bar) and suitable space for the cylinder. We assess suitability during our free property survey, checking pressure, pipework condition, and electrical supply requirements for your Windsor home.
We install leading brands including Megaflo, Telford, OSO, and Gledhill cylinders, selecting the most suitable model for your specific requirements, budget, and Windsor property characteristics. All come with manufacturer warranties and our installation guarantee.
Yes, we offer same-day emergency repairs for hot water cylinder problems including leaks, pressure issues, safety valve failures, and complete hot water loss across Windsor and surrounding areas. Call our emergency line for immediate assistance.
Still have questions?
Ready to Upgrade Your Hot Water System in Windsor?
Get expert advice and a free quote for your hot water cylinder installation, repair, or upgrade from qualified Windsor specialists