Scores based on 142 reviews

Reliability & timekeeping

Invoice history based on 112 reviews.

Invoice History
Charged as per quote / estimate96.43%
Above quote / estimate: kept informed3.57%
Appointments reported as missed (6 months) 0
Average score 9.93
142 reviews
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We are a Horndean based company, specialising in Domestic & Light Commercial / New Builds & Renovations /  Installation, Servicing & Breakdowns.  

We specialise in the following areas:

  • Boiler' s
  • Air Source Heat Pumps
  • Radiator's
  • Power-flushing
  • Full central heating installations
  • Hot water systems
  • Domestic gas appliance's
  • Domestic gas pipe work and meter's 
  • Commercial boilers and air heating appliances
  • Commercial pipe work and meter's
  • Landlords gas safety certificates
  • Unvented hot water systems
  • Vented hot water systems
  • Pumped hot water systems
  • Bathrooms
  • Tiling

Accredited Vaillant and Glow-worm installers offering a minimum of 5 year warranty on our boilers.

We strive for excellence with our work, with only the highest standards. Offering competitive rates with our work and also rewards for our loyal customers. We are friendly, hard working and determined with over 15 yrs experience behind us.

Our goal here at ADTEC is to build our business and to have our own contact book of customers that can call upon our services as and when they require and know that they will have the best job possible at the best price. There is no job too little or too large, we are fully qualified to tackle any problem/situation you may have and have the expertise to perform at only the highest standard.

Based in

Horndean, Waterlooville, Hampshire, PO8 0UN

Works in

Portsmouth, Fareham, Southampton, Chichester, Grayshott , Cowplain Waterlooville, Havant,

Team photos

Liam Dack


Rich Adamson


Joe Mariner

Heating engineer