Our Services

Professional HVAC Engineer in East Sussex and surrounding areas.

102+ five-star reviews · 12+ years experience

Featured Services

Boiler Installation

Professional boiler installation services in East Sussex by Optimum HVAC. We supply and fit all major brands including Worcester Bosch, Vaillant, Baxi, and Ideal. Every installation comes with a full manufacturer's warranty and Gas Safe certification.

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Boiler Servicing

Professional boiler servicing services in East Sussex by Optimum HVAC. Annual boiler servicing keeps your heating running safely and efficiently. We service all makes and models and issue a full service report. Recommended to maintain your manufacturer's warranty.

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Boiler Repairs

Professional boiler repairs services in East Sussex by Optimum HVAC. Same-day call-outs available for boiler breakdowns across East Sussex. We diagnose the problem quickly, explain your options clearly, and get your heating back on as fast as possible.

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All Services

Heat Pump Installation

Professional air source heat pump installation in East Sussex by Optimum HVAC. We're MCS certified installers, which means we can help you claim the £7,500 available through the Boiler Upgrade Scheme (BUS) in England.

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Air Conditioning Installation

F-Gas certified air conditioning installation across East Sussex and Kent. From wall-mounted split units to multi-room systems — we supply, install and commission all major brands for homes and businesses.

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Air Conditioning Repairs & Servicing

F-Gas certified air conditioning repairs, servicing, and maintenance across East Sussex and Kent. We cover all makes and models — from annual servicing and re-gassing to fault diagnostics and breakdown repairs.

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General Plumbing

Professional general plumbing services in East Sussex by Optimum HVAC. We bring years of experience and attention to detail to every job. Contact us for a free, no-obligation quote.

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Gas Installations

Professional gas installations services in East Sussex by Optimum HVAC. Gas cooker connections, gas fire installations, and gas supply work. All work carried out by Gas Safe registered engineers with full certification.

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Central Heating

Professional central heating services in East Sussex by Optimum HVAC. Full central heating installation and upgrades. Whether you need a new system from scratch or want to upgrade your existing setup, we design the most efficient solution for your home.

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Landlord Gas Safety Certificates

Professional landlord gas safety certificates services in East Sussex by Optimum HVAC. Legally required for all landlords in the UK. We issue CP12 certificates and check all gas appliances in the property. Book online or call for a same-week appointment.

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Bathroom Installations

Professional bathroom installations services in East Sussex by Optimum HVAC. From design to completion, we handle every aspect of your bathroom renovation. We work with you to create a space that's both beautiful and practical, on time and on budget.

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Oil Boiler Installation & Servicing

Oil boiler installation, servicing, and repairs across East Sussex. Grant accredited for oil-fired appliances. From new installations to annual servicing and emergency repairs, we cover all oil-fired heating needs.

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LPG Boiler Services

LPG boiler installation, servicing, and repairs across East Sussex. Gas Safe registered for LPG work, covering all makes and models.

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Heat Pump Servicing & Repair

Heat pump servicing and repair across East Sussex. We service and repair air source heat pumps across all major brands. MCS certified engineers.

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Ready to get started?

Contact Optimum HVAC today for a free consultation.

Gas Safe Registered