About us
Your Local Heating & Air Con Experts
At SJM Gas, we take pride in delivering reliable, high-quality gas and heating services to homes and businesses across Essex & London. With years of hands-on experience and a commitment to customer satisfaction, we’re here to keep your property running smoothly—whatever the weather.
Our Services
Boiler Installations & Repairs
Whether it’s time for a new boiler or your current one needs attention, we provide efficient, reliable solutions to keep you warm all year round.
Central Heating Systems
Stay cozy with professional installation, maintenance, and upgrades for your central heating system.
Air Conditioning Services
Stay cool in the summer months with our full range of air conditioning installation, servicing, and repair solutions.
Landlord Gas Safety Certificates
We offer prompt and professional gas safety checks to keep your properties compliant and your tenants safe.
Trusted. Professional. Local.
We know how important it is to have tradespeople you can count on. That’s why our customers come back time and time again—for honest advice, affordable pricing, and work done right the first time.
Accreditations
Get in Touch
We’re always happy to offer advice, discuss your needs, or arrange a free, no-obligation quote. Whether it’s a small repair or a full system installation, the team at SJM Gas is ready to help you keep your home or business running smoothly.