Based on 102 reviews

“Zak at Optimum HVAC has been reliably servicing our home boiler for years. He is consistently punctual, thorough, and conducts himself with the utmost professionalism. It is great to have a trustworthy local company we can count on year after year. I highly recommend their services.”

“Zac has done a number of jobs for us over the past few years,all have been completed very professionally. We’ve no hesitation in recommending him.A most ameniable person too. Clive and Lucie Rishardson”

“Optimum serviced my grandmothers boiler and checked all her radiators, very thorough, professional and friendly. We will be using Optimum from now on.”

“Friendly, reliable, punctual and knows his stuff!”

“Zak came to replace our old boiler with a new combi...a 4 day job. He was a pleasure to work with. He showed up on time and cleaned up daily. His workmanship was perfect and he kept us up to date on progress as he went along. I wouldnt hesitate to recommend him for future work.”

“Zak Hurst fitted my boiler when it was new 6 years ago, into my house and has serviced it every year since. He also services a boiler annually which he fitted into my rented out flat. He is very hard working and meticulous. He takes great pride in his work. He is a friendly, genuine young man and l have no hesitation in giving him a 5 star review.”

“Good communication on arrival timing and on updates with my faulty boiler while he fixed it. It was a reasonably priced fix. Very impressed - Thank you Zak 👍🏼”

“I don't often write reviews but my experience with this company was truly outstanding. He picked up the phone, was available at short notice and showed up on time. Then he fixed the problem quickly and proficiently and was nice to boot. So pleased I've finally found a plumber I can call on when needed. Outstanding.”

“What a lovely guy! We called Zack after our heating broke down late one evening. He answered the call immediately and helped us to get it working again straight away. Very professional and clearly knows his stuff. We wouldn’t hesitate to recommend him. Thank you Zack!”

“Zak is excellent! He has done work for us for a while now and he is reliable, courteous and does a wonderful job....and he is consistently like this, which is a rare thing.”

“Having fitted a new central heating system two years ago, Zack has just returned for its second annual service and, as ever, he was prompt, efficient, tidy and personable. My dog even liked him. What more could you ask for?”

“I highly recommend Optimum HVAC. Zak is highly professional and knowledgeable. He has a brilliant work ethic and is very easy to deal with. He’s 100% reliable, always turns up exactly when he says he will; something that I have found to be quite a rare quality in Hastings! I can’t recommend him highly enough.”

“Zak is great, very considerate, tidy and communicates very well”

“Installed 2 new radiators and pipework, very happy with the work and left everything nice, tidy and warm. Excellent work and would highly recommend.”

“Zak serviced our boiler and did a great job. He explained things without jargon in an easy to understand manner and was very professional”

“From consultation to completion of works. Zak was first class. He worked along side us on a current big project we were carrying out.”

“Zac installed air conditioning for me... he is a reliable, diligent and tidy worker. Following this, I felt confident enough to ask Zac to completely strip and replace my wet room whilst I was away. The quality of his work is exceptional and I am happy to recommend to others.”

“Zak came to service my boiler and heating system. He was efficient, thorough and a great communicator. He made me feel confident and I recommend him wholeheartedly.”

“Zak installed a heat pump in our house and was so good. From start to finish he kept us fully informed on all we needed to know. I would recommend him without hesitation.”

“Professional, punctual and personable...what more could your ask for of someone who is coming into your home or business? Definitely a cut above the rest”

“For gas or plumbing related issues, be it problems, maintenance or installations don't take pot luck. Zak will use his vast knowledge and expertise to resolve any of them with promptness and at a very reasonable cost.”

“Zac did a great job servicing our boiler and diagnosing a fault. He was professional, communicated well, arrived on time and completed the work efficiently. I would highly recommend him 😁”

“Zac as ever did a 'deep dive' into my boiler giving it a thorough and proper service. He is a very nice person to deal with, highly communicative and always does a first class job. Highly recommended.”

“I called Zac in to help with my boiler, he was punctual, polite and very efficient,so much that I have passed his name onto my friends..I would recommend him, 10 out of 10 great service.”

“Great work from Zak, quick, professional and knowledgeable. Offered insight on how I can do some minor maintenance to keep my Aircon unit running efficiently. Highly recommend.”

“I called Zak and was impressed with his speedy response. It was just a small repair job but he made time to fit us in. He came and sorted it quickly, keeping us informed when running a little late due to previous job over running.”

“Really good service by Zak, came out to price the job up within a couple of days, clear pricing, no extras and also included the electrical work. Great installation, looks good, nice clean and tidy working too. Would recommend.”

“Zak has just completed another job for us to a very high standard, as ever.He is a top plumber and has helped us with central heating problems that others have just not been able to sort out.”

“Had a radiator removed and 2 new rads installed and was really pleased with the service and quality of work. Work done with care and attention to detail. Will definitely use again!”

“Zak services our boiler every year and he has just fitted a new radiator and tap. Zak is reliable conscientious and efficient and I would highly recommend him.”

“Excellent work from Zak, a professional, clean job with great workman ship. Would definitely recommend.”

“Zak is unfailingly professional, polite, friendly and helpful. He will always go the extra mile”

“Had to call Zac after a failed attempt at home plumbing, he promised to come late on a Friday and to my great surprise he advised me he was on his way and fixed the problem with no hassle. He’s now in my phone book and my plumbing are over!”

“I highly recommend Zak if you're looking for someone who’s not only knowledgeable and reliable, but also completely upfront and honest. They took the time to explain the issues clearly and never tried to upsell unnecessary work. It’s refreshing to deal with a professional who actually looks out for your best interest instead of just trying to pad the bill. Great service, fair pricing, and someone you can really trust.”

“Thank you Zak. The new boiler is working a treat and you would never guess that some of the pipework had been repositioned - beautiful brickwork. Will definitely be in touch about any future jobs we need doing. Appreciate your honest, upfront advice and for leaving our house cleaner than when you arrived! The whole process was completely painless.”

“I wouldn’t hesitate to recommend Zak. He responded quickly to my request for a fairly urgent plumbing job. He was very friendly and helpful and did the job very efficiently. I will definitely be using him again if I need a plumber in the future. I was able to use text to communicate with him before he came, which was very helpful.”

“Fantastic service from Zak - very easy to deal with, thoroughly efficient and reliable - thank you very much!”