Andy analysed the recurring problems with our heating system quickly and provided a detailed quotation for his proposed solution : modifications to to the system layout and controls, and fitment of a new Vaillant gas boiler. We accepted his proposal; he arrived on time with everything he required , was a pleasure to have working around our house , and he completed the job on time and within budget. We are delighted with the results and would definitely recommend him to anyone requiring heating system repairs or installations. . W