What affects scope
- Existing boiler position, flue route and condensate route
- Hot-water demand and radiator performance
- Pipework, controls and any system-cleaning work
- Access and the gas, oil or LPG option being considered
What to send first
- Current boiler position, flue route and any accessible pipework details
- Hot-water demand, radiator performance and the controls already in use
- Whether gas, oil or LPG is being considered
- Any access constraints around the boiler, flue or condensate route
Good fit when
- An existing boiler is being replaced
- A survey is needed to choose the right boiler and controls
- The wider system may need pipework, radiator or control changes
If the existing boiler may be repairable, compare Boiler Repairs before choosing replacement. Boiler Servicing and Central Heating cover ongoing care and wider system work.
Boiler installation in East Sussex needs more than swapping one appliance for another. Optimum HVAC engineers check the existing boiler position, flue route, hot water demand, radiator performance, condensate route and control setup before recommending a gas, oil or LPG option. That protects the customer from being quoted the wrong boiler for the house.
Survey, sizing and boiler choice
The visit separates a like-for-like replacement from a job that needs pipework changes, system cleaning, a magnetic filter, weather compensation or upgraded controls. Optimum HVAC can talk through Worcester Bosch, Vaillant, Viessmann, Ideal and Grant options, then explain which warranty route applies to the chosen model.
Installation and handover
The work is planned around safe access, neat pipe routes, flue compliance, protection for floors and a clean handover. If the existing system has sludge or cold radiators, the quote should link boiler replacement with boiler servicing, boiler repairs or central heating upgrades so the new appliance is not carrying an old system problem.
Values
Expert Knowledge
Boilers, heat pumps, and air conditioning - we specialise in all of them so you get the right solution.
Honest Service
Clear quotes, no hidden costs, and genuine advice on what you actually need.
Quality Installation
Every job done to the highest standard. Gas Safe registered and fully qualified.
What our customers say
“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.”
Frequently Asked Questions
Contact
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