Scores based on 48 reviews

Reliability & timekeeping

Invoice history based on 39 reviews.

Invoice History
Charged as per quote / estimate97.44%
Above quote / estimate: kept informed2.56%
Appointments reported as missed (6 months) 0
Average score 9.81
48 reviews
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Welcome to Baystar Energy Efficient Systems.  We offer a comprehensive set of services to suite the needs of our customers from consultation to design, supply and installation of Renewable Technologies focusing mainly on commercial properties and industry professionals, large rural properties as well as country houses and estates. 

We have recently branched the business into the Facilities Management Sector and our team of highly skilled engineers can take care of all your plumbing and heating, ventilation and air conditioning/handling requirements. We focus on solving our customers' facilities-related challenges, acting as a trusted partner and advisor to ensure that our customer' total cost of property ownership is kept to the minimum. 

The team at Baystar has over twenty years of combined experience in heating systems engineering, and construction. We are Gas safe registered and MCS accredited installers focusing on heat pumps for rural domestic properties, new build and small commercial. We specialise in integrating heat pumps into refurbishment projects. With our unrivaled technical expertise we can deliver the best solution to reduce your energy costs and provide high efficiency with long term savings. Both large and small jobs undertaken with many satisfied customers. We operate within a 40 mile radius of both Dorking, Surrey and Horsham, West Sussex.

Gas safe registered

MCS accredited

Fully insured

We undertake:

• Heating Upgrades/ Energy Efficient Boilers/ New installations

• Repairs and maintenance (Service contracts available)

Ground Source and Air Source Heat Pump Installation

• Biomass Boilers

• Solar PV and Solar Thermal

• Underfloor Heating

. Facilities Management - Heating, Ventilation and Air-conditioning/handling

Landlord and Gas Safety Checks

Qualified in:

Core Domestic Gas Safety

Ground Source and Airsource Heat Pumps

Solar PV

Central Heating & Boilers up to 70Kw


Gas Fires

Water Heaters

Unvented Hot Water Cylinders

Energy Efficiency

Combustion Performance Analysis

Manufacturer courses:

Worcester Bosch

Ideal Heating




Based in

Colgate, Horsham, West Sussex, RH12 4TA

Works in

Dorking, East Molesey, Leatherhead, Haywards Heath, Horsham, Guildford, West Sussex, Surrey