Our Mission
To provide East Sussex with reliable, high-quality heating engineer services at fair prices.
Our Story
Optimum HVAC has been serving homeowners across East Sussex for over 12 years. Run by Zak, every job is handled personally from start to finish — no subcontractors, no call centres. We cover everything from boiler installations and repairs to full bathroom renovations, heat pump installs, and air conditioning. Gas Safe registered, MCS certified for heat pumps, and Grant accredited for oil boilers. With 102 five-star Google reviews, our reputation is built on honest pricing, quality workmanship, and turning up when we say we will.
12+
Years in Business
102+
Review Count
5.0
Average Rating
Our 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.
Our Team
Meet the Team
The people behind Optimum HVAC.
Accreditations & Certifications
37 Google Reviews
Gas Safe Registered
MCS Certified
F-Gas Certified
Fully Insured
BPEC Qualified
Grant Accredited
What Our Customers Say
Trusted by Our Customers
“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.”
Greg Templeman
“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”
clive richardson
“Optimum serviced my grandmothers boiler and checked all her radiators, very thorough, professional and friendly. We will be using Optimum from now on.”
Lucy Johnson
Why Choose Optimum HVAC
Gas Safe Registered
12+ Years
Established Business
5.0 Stars
37 Reviews
Fully Insured
Complete Peace of Mind
Work with Optimum HVAC
Ready to get started? Give us a call or request a free quote today.