Commercial services
Commercial gas services where safety and efficiency come first, for businesses across London and the Home Counties. Every installation, repair and maintenance job meets the highest safety standards.
We tailor heating systems to the needs of each business, and we service and repair heating systems, including plant rooms and block heating, which large buildings depend on to keep running.
We replace commercial pumps, maintain Riello gas burners and swimming pool boilers, and test and purge gas systems so they are safe and meet the regulations. Planning work? Send the quote form below. Heating or boiler failure? Call 0208 853 8383, office open 9:00am - 6:00pm.
Our services
Each service has its own page, with who it suits and how to book.
Looking after the plant in a building all year round? A planned maintenance contract puts the servicing of several of these on one agreed schedule.
Commercial gas certification
Commercial gas safety checks and certificates for business premises.Commercial heating system installation
Commercial heating and boiler installation designed around your premises.Servicing & repairs
Commercial boiler service and commercial boiler repair for heating systems.Plant room maintenance
Plant room maintenance and planned preventative maintenance for commercial boiler plant.Block heating system maintenance
Communal heating maintenance for blocks of flats, from communal boilers to HIUs.Commercial pump replacement
Replacement of circulating pumps, booster pumps and pressurisation units in commercial systems.Riello gas burners
Riello burner service, commissioning and repair for commercial boilers and plant.Testing & purging
Gas tightness testing, strength testing and purging for commercial gas installations.Swimming pool boiler maintenance
Swimming pool boiler service and pool heater repair for leisure sites, schools and hotels.
Get a quote
Do you need help with gas maintenance? Fill out this form to get in touch.
Prefer to talk? Call 0208 853 8383, 9:00am - 6:00pm.
If you smell gas, call the National Gas Emergency Service on 0800 111 999 and leave the property
This form is not for emergencies. To speak to us, call 0208 853 8383, open 9:00am - 6:00pm.
Please check your details
Your message was not sent
Call us on 0208 853 8383 or email office@testagas.co.uk, or try again.
Call 0208 853 8383Thanks for contacting us
We will be in touch with you shortly.
Talk to an engineer about your business
We provide essential maintenance to every customer, domestic and commercial.
Call 0208 853 8383, office open 9:00am - 6:00pm. For a quote, request one and we will reply.

