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- Gas Safe & OFTEC registered engineers
1,240 reviews
Excellent 4.8 out of 5
4 King Street, Spennymoor, Durham, Durham, DL16 6QG
Boiler Guide member since July 2019
OnFlo - Plumbing & Heating Services
OnFlo - Plumbing & Heating Services
are Gas Safe registered heating engineers who specialise in gas boilers.
For similar replacement boiler companies in this area please visit the Spennymoor boiler page.
We specialise in
Domestic,
Gas
Vented Cylinders,
Unvented Cylinders
Call Us Now
4 King Street, Spennymoor, Durham, Durham, DL16 6QG
Boiler Guide member since July 2019
Welcome to OnFlo Plumbing & Heating Services, quality providers of services to the domestic and commercial plumbing and heating market. We take pride in our quality of workmanship, our excellent customer service and our reliability.
We cover all aspects of domestic and commercial plumbing & heating, covering but not limited to boiler installations & repairs, power flushing, bathrooms, and much more.
Accreditations
589972
Boiler Makes Installed
- Glow-worm
- Potterton
- Heatrae Sadia
- The Electric Heating Company
- Dunsley Heat
- Grant
- Worcester Bosch
- Ferroli Commercial
- Ideal Commercial
- Ideal
- Keston Commercial
- Keston
- Firebird
- Gledhill
- Halstead
- Hepworth Heating
- i
- i-mini
- iQE
- Johnson and Starley
- Main
- Myson Combustion Products
- Powermatic
- Powermax
- Pro
- Ravenheat
- Remeha
- Rinnai UK
- Sime
- Sime Heating Products (UK)
Featured Works
Reviews
14 ReviewsNew Gas Boiler Installation in Newcastle Upon Tyne
The boiler was replaced as quoted, they worked practically non-stop. When the work was complete we were shown how to use it and a follow up call was made. I would recommend the company without hesitation. Phil Cockerill.
Phil — Newcastle Upon Tyne
New Gas Boiler Installation in Middlesbrough
Very happy with the installation service and a competitive price, no problems so far and a professional job done.
Andrew — Middlesbrough
New Gas Boiler Installation in Bishop Auckland
A first rate, customer focused approach. They were able to answer all my questions and some I had not thought to ask. An honest appraisal of the work that needs doing. They are great value for money and very professional. Their work is of the highest standard and fully guaranteed. I recommend them to all considering having heating and pluming work carried out.
David — Bishop Auckland
New Gas Boiler Installation in Newcastle Upon Tyne
Anthony just the man for the job. Recommended to replace diverter valve when others suggested new boiler. On strip down, diverter head needed to be replaced too, price as originally quoted. Wouldn’t have found him without “ boiler guide”.
Malcolm — Newcastle Upon Tyne
New Gas Boiler Installation in Durham
Great job, left everything clean and tidy. Explained boiler controls and set up the timer etc. TRVs fitted on 4 radiators. Highly recommended.
Janet — Durham
New Gas Boiler Installation in Barnard Castle
Great service fitted less than a week after quote . Cleaned up after installation and reasonably priced . Wouldn’t hesitate in recommending them .
Myra — Barnard Castle
New Gas Boiler Installation in North Shields
Very competitive price and they converted my old system over to a combi in a single day with the minimum of fuss and made sure the whole job was left clean and tidy I would definitely use them in the future highly recommended
Edward — North Shields
New Gas Boiler Installation in Houghton Le Spring
Would highly recommend, got my quote on the Friday and my new boiler was fitted on the Tuesday, anyone looking for a boiler these are the guys to go with , fast and reliable.
A very happy customer.
Thanks guys.
Petrina — Houghton Le Spring
New Gas Boiler Installation in Newcastle Upon Tyne
Friendly first class service Highly recommend
Peter — Newcastle Upon Tyne
New Gas Boiler Installation in Redcar
Prompt and polite, Anthony gave clear advice on what I needed and found me a boiler with a 7 year guarantee. He did the work well, and I am very pleased. Thank you
Julian — Redcar
New Gas Boiler Installation in Consett
I would highly recommend this Company, the work was completed when i was told it would be . All of the redundant old Boiler parts were taken away and any mess was cleaned up . Good friendly service.
Bryan — Consett
New Gas Boiler Installation in Darlington
Great tradesmen, very happy with the work carried out.
Christopher — Darlington
New Gas Boiler Installation in Newcastle Upon Tyne
Antony, was amazing in communication, was where he said he would be at the time he said he would be. Offered great advice and options even before he got the job. I would recommend them from my experience.
Ian — Newcastle Upon Tyne
New Gas Boiler Installation in Newton Aycliffe
Best quote from local company. Polite young man and carried out a professional job. Worked until late in to evening to get job finished so I could have some hot water. Plumber even cleaned up after himself. Would definitely recommend this company. Thank you Anthony from On-Flo.
Karen — Newton Aycliffe
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Excellent 4.8 out of 5
What work do you need?
Excellent 4.8 out of 5
