Please click below to play the video! We are worcester accredited installers (wai's) which means we are accredited to install worcester boilers, solar water heating, heat pumps and underfloor heating to the highest standard. Drain cleaning, faucet repair, water heater installation - we do it all our promise is to give a fair and honest price, without being up-sold or haggled with. I cannot recommend this company highly enough! It started to bubble and i thought 'oh it's working',".