Questions to Ask Your Gas Engineer

Getting gas work completed around your home can be dangerous in the wrong hands which is why you must always ask the right questions to ensure your safety, it is the highest priority. What are the right questions to ask your engineer? At Complheat we’ve compiled the following questions to ask your plumber or heating engineer to try to ensure you have the best experience possible.

Do not feel cheeky or embarrassed by asking these questions as it could save your family’s life. An engineer who is confident in their work and credentials will happily oblige and answer any questions you may have.

Question 1: Are you qualified?

This is the first question you should ask any tradesperson – even before they’ve stepped foot through the front door.
Legally, all gas engineers must be on the Gas Safe Register and carry their ID card with a unique ID number including a photograph at all times. In order to become Gas Safe Registered, engineers must provide substantial evidence of their competence and experience. Check out our blog on legitimate gas engineers here. Is your gas engineer legitimate?

Complheat are pleased to say that all of our heating engineers are Gas Safe Registered and carry Gas Safe Register ID cards. They are qualified to carry out all types of gas work safely and effectively. Of all the questions to ask your gas engineer, this one is the most crucial, do not take chances with your safety.

Questions to ask your gas engineer

Question 2: Are you insured?

This question will protect you from any future disputes if anything should go wrong, and prevents you from being financially responsible.

At Complheat we carry full public liability insurance worth millions of pounds so you know you’re in safe hands with our engineers, particularly with our minimum twelve-month workmanship guarantee, along with any manufacturers’ guarantees, which can be up to ten years.

Question 3: Do I actually need to replace my old boiler?

Old boilers can run at as little as 60% efficiency which means you lose as much as 40p in every pound that you spend on energy bills. Modern condensing boilers are typically 91-92% efficient. Old boilers are often installed in inconvenient places that are quite often pivotal in home improvement projects and can be unsightly and, at worst, dangerous.

Don’t assume just because one person or company has told you that you need to replace your boiler that you actually do. Always get a second opinion before making the big (and more expensive) decision.
At Complheat, we would never replace a boiler system which just needs a repair. We will either fix the problem on the spot or source replacement parts if required. Our prompt service will ensure you are without the use of your appliance for the minimum period of time.

Question 4: Does my heating system need a power flush?

Prior to installing a new boiler, ask if a power flush is necessary. We recommend this as sludge and rust builds up in pipes that can cause problems with new condensing boilers. By using high velocity water at low pressures, a powerflush ensures your system can be thoroughly cleaned without compromising your pipework.
There are many benefits to getting your radiators powerflushed, and you will certainly feel the difference in your heating system.

One of our expert engineers will provide you with a fair and honest answer to this question.
But until then, check out our blogs on powerflushing here. The Powerfushig process explained

questions to ask your gas engineer


Question 5: How do I pay?

Each heating and plumbing company will have a different payment policy, so it is important to know where you stand and what is expected of you. You should always ask when payment is expected, whether a deposit is compulsory, and how much of the total is required upfront before agreeing to any work.
It is important to remember that although the price is important, it shouldn’t be the deciding factor as the cheapest estimate may not always be the best workmanship.

Making a payment is easier than ever with Complheat Heating and Plumbing. If you have been sent an invoice you can pay using a credit/debit card or by using your PayPal account on our website here.

At Complheat Heating and Plumbing, we take great pride in the quality of our workmanship, ensuring customers make informed decisions that give them the most appropriate central heating for their needs. Check out what our customers think about us on Checkatrade and Which? Trusted Traders.
If you have any other questions to ask our gas engineers contact us on 0151 559 0740 or tweet us. We’re always happy to help!

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