Emergency repair
I rang Darren due to a leak in my tank and consequently no hot water. I had never used Heatco before, but saw that they had 5 star reviews. Although he was very busy with other work he came out on Saturday morning (he doesn't usually work weekends) and had it all fixed in an hour for a very reasonable price! He was polite, tidy and obviously knows his stuff! I will definitely use Heatco again when needed and would recommend them.
Customer in Hertfordshire
Posted on 03/11/2026
, work completed 31/10/2026
Recommended
Maintenance of boiler
Darren warned me he had been delayed and the time he expected to be there. He was professional, did the work and we discussed other works with him and left. He was friendly and tidied after himself. Very satisfied.
Customer in Hertfordshire
Posted on 01/11/2026
, work completed 27/10/2026
Recommended
Helpful and Supportive
Darren came to replace bathroom taps and a cistern valve on the toilet. He was very helpful and easy to work with. He is outstanding at communicating and responding to messages. There was a minor issue which was very promptly resolved. I also use HeatCo for my boiler servicing and they have a really good booking system so you can schedule in the date. I can certainly recommend HeatCo.
Customer in Hertfordshire
Posted on 20/10/2026
, work completed 20/10/2026
Recommended
Excellent Boiler Service
This is the third time that Heatco have done the annual service of my boiler. Darren arrived early, carried out the work in a highly professional manner, and charged a very fair rate for the job. I would highly recommend Heatco. They were brilliant.
Customer in Hertfordshire
Posted on 17/10/2026
, work completed 12/10/2026
Recommended
Boiler Service
Delighted with the Boiler Service carried out by Darren from HeatCo. Darren arrived on time and the work was done to schedule and budget. Communication leading up to the visit was excellent, with regular updates on timing. The work was carried out professionally and cleanly. Darren is customer focused, polite, genuine and you can rest assured that he will recommend the right solution for the issue and with competitive pricing too. I highly recommend Heatco for your heating system needs.
Customer in Hertfordshire
Posted on 11/10/2026
, work completed 08/10/2026
Recommended
GREAT WORK HeatCo
I’m really impressed with how professional HeatCo were when servicing my Vaillant boiler This is my first time using them time will tell how my boiler would be after the service. However he arrived on time, was extremely friendly and polite, and were clearly focused on doing a thorough and professional job. I’m very happy with the service and would definitely use HeatCo again. I would highly recommend them to anyone looking for a reliable, professional and high-quality boiler service.
Customer in Hertfordshire
Posted on 06/10/2026
, work completed 05/10/2026
Recommended
Boiler service
Darren carried out annual boiler service with his usual efficiency and minimum of fuss, I have used Heatco for several years since they installed the boiler and have always found them helpful and informative with any queries I might have.
Customer in Hertfordshire
Posted on 18/09/2026
, work completed 14/09/2026
Recommended
Very Reliable
HeatCo are thoroughly reliable and professional in the work they do. Arrive on time, explain procedures. No hesitation in recommending their services.
Customer in Hertfordshire
Posted on 17/09/2026
, work completed 15/09/2026
Recommended
Professional work
Very professional service from ordering to execution. Arrived promptly and work completed within the agreed timescale.
Customer in Hertfordshire
Posted on 08/09/2026
(Reviewer did not use service)
Recommended
Highly Recommended Service Provider
As usual Heatco is a very professional firm to deal with and provides a very good service to its customers. Darren undertook the annual service of my gas boiler. Darren is very pleasant to deal with and always clears up after himself such that would never know he had been in the house.
Customer in Hertfordshire
Posted on 19/08/2026
, work completed 18/08/2026
Recommended
Great Work as usual
Great experience again using HeatCo, a friendly local firm that provides a great efficient and economical service.
Customer in Hertfordshire
Posted on 17/08/2026
, work completed 14/08/2026
Recommended
My go to guys!
Darren came yesterday to do a job for us - he is such a nice guy, always tries to fit us in and is really helpful explaining how we can solve problems - which he then does brilliantly! Have used HeatCo for many years and consider them our heating engineers and plumbers
Customer in Hertfordshire
Posted on 28/07/2026
, work completed 27/07/2026
Recommended
Gas boiler service
This is the second time I’ve used Heatco to service the boiler, which is now 15 years old. Easy to make appointment online, promptly confirmed by email. Darren arrived on time, carried out the service efficiently and left everything clean and tidy. Certificate emailed to me same day. Good service, would use Heatco again
Customer in Hertfordshire
Posted on 23/07/2026
, work completed 22/07/2026
Recommended
On time, efficient and friendly service.
I've used Heatco for many years and have always Joe & Darren to be attentive and helpful. Invariably, the work is completed to a high standard.
Customer in Hertfordshire
Posted on 23/07/2026
(Reviewer did not use service)
Recommended
Fast, Reliable and Friendly Service
Joe and the team from Heat Co installed a new Combi boiler in our 4 bedroom house, the work was carried out to a very high standard and Joe was extremely helpful and informative. I would highly recommend Heat Co.
Customer in Hertfordshire
Posted on 12/07/2026
, work completed 08/07/2026
Recommended
Excellent work,on time
The work was annual services for a gas boiler and a gas fire. Darren arrived at the promised time and carried out the work quietly and efficiently, leaving no mess. Both pieces of equipment work well, and quietly and I look forward to another year's worth of heat as required from them
Customer in Hertfordshire
Posted on 04/06/2026
, work completed 03/06/2026
Recommended
Service
I have my boiler serviced by Heatco Every year,and very happy with their service. Darren has done mine 4 years running He is on time, nothing is too much trouble Once booked you get text confirming appt And when he is on his way another text to let you know 15 mins before arrival.
Customer in Hertfordshire
Posted on 04/06/2026
(Reviewer did not use service)
Recommended
Excellent service
As usual, I have just received excellent service from Heatco. I had a running bathroom tap and Darren promptly came round and quickly stopped the running water. He then ordered a needed part and came back to replace this at a date/time to suit me, which was great. I have consistently found Heatco to be reliable and professional and it’s good to know that they are here, with Darren always being friendly, helpful and efficient.
Customer in Hertfordshire
Posted on 28/05/2026
, work completed 27/05/2026
Recommended
Very efficient service
Annual service carried out at agreed time and all aspects explained. Service engineer provided reassurance that system was working as required.
Customer in Hertfordshire
Posted on 24/05/2026
, work completed 22/05/2026
Recommended
Boiler service and replace CH zone valve
Darren attended to my neighbours house to service the Vaillant boiler and replace a faulty CH zone valve. Have used HeatCo and Darren before, first class service with proper communication in advance of the visit, punctual arrival and very effective at fixing the zone valve fault quickly and without any fuss. Boiler service equally effective and quick, really pleased and fair pricing too. Darren is a particularly nice, patient guy to have in your home for heating type work. Would highly rate HeatCo on the experiences I have had with them.
Customer in Hertfordshire
Posted on 21/05/2026
, work completed 07/05/2026
Recommended
Excellent Service
As usual HEATCO provide a very efficient service and Darren is very professional and customer focussed. Darren gets on and does the work required to ensure gas safety of my appliance. Would recommend HEATCO and Darren
Customer in Hertfordshire
Posted on 07/05/2026
, work completed 06/05/2026
Recommended
Installation of a new radiator
Paul and his colleague at Heatco were friendly and efficient. They did a great job installing a new radiator which was in our cellar so a very confined space to work in. The price was as agreed. Would definitely use them again and happy to recommend them to others.
Customer in Hertfordshire
Posted on 04/05/2026
, work completed 23/04/2026
Recommended
Fixing shower
This isn’t the first time using Heatco as I use them for maintainer and gas safety checks, Darren is very helpful even if I need to call and ask a question he always goes out his way to help, Heatco are a very professional company who put their clients first, are always on time and reasonable with their cost, will definitely use again and always recommend them to anyone needing a plumber or gas engineer
Customer in Hertfordshire
Posted on 26/04/2026
, work completed 25/04/2026
Recommended
Heating not coming on
Darren came to check out the issue within 24hrs of my logging the call. He confirmed what I suspected that it was a problem with the timer. Batteries were replaced and my heating was up and running within 30 minutes. Darren provides an outstanding professional service. He is very approachable and easy to do business with. Comes across as a first class tradesman. I would recommend Darren to my family and friends. Excellent service.
Customer in Hertfordshire
Posted on 24/04/2026
, work completed 23/04/2026
Recommended
Great service
Called HeatCo on Tuesday am to register a broken heating system. Darren came round early afternoon to fix the problem - no waiting time, very professional and pleasant to deal with. Would highly recommend their service. Excellent on all counts.
Customer in Hertfordshire
Posted on 15/04/2026
, work completed 14/04/2026
Recommended