About SJH Mechanical

Experienced Heating, Cooling & Mechanical Engineers

SJH Mechanical specialises in heating, cooling and mechanical systems for homes and businesses across Hampshire. We install, service and maintain boilers, air conditioning, air-to-air and air-to-water heat pumps, heating systems, hot water cylinders, plumbing, ventilation and refrigeration, with a focus on reliable, energy-efficient solutions.

  • Local, reliable and respectful in your property
  • Clear quotes with no hidden costs
  • Qualified, experienced and Gas Safe registered

How can we help?

Heating, Cooling & Mechanical Services

Get a free quote Choose a service and tell us about the job. We’ll review your request and contact you to discuss the next step. Around 2 minutes · No obligation · Nothing booked
Not sure which service to choose? Tell us about your job and we’ll help with the next step. Or call 07301247773
Local and insured No-obligation estimate Your details stay private
SJH Mechanical

Why Choose SJH Mechanical?

Having heating, cooling or plumbing work done should feel straightforward. We focus on clear communication, dependable service and tidy workmanship from first contact to completion.

Fast, Reliable Response

We aim to respond quickly, arrange the next step clearly and keep you updated from first contact to completion.

Gas Safe Registered

Gas Safe registered under number 949327 for qualified boiler, heating and gas work.

Friendly, Tidy Service

We treat your home or business with care, work neatly and make sure everything is left tidy when the job is finished.

Local Hampshire Engineers

Based in Eastleigh, we cover Hampshire for heating, cooling, plumbing and mechanical services.

What Our Customers Say

Heating & Mechanical Services across Hampshire

Check your postcode

Enter your postcode to see if we cover your area.

Areas we regularly cover

  • Eastleigh
  • Southampton
  • Winchester
  • Chandler's Ford
  • Romsey
  • Fareham
  • Portsmouth
  • Gosport
  • Havant
  • Waterlooville
  • Basingstoke
  • Andover
  • Aldershot
  • Farnborough
  • Fleet
  • Petersfield

Frequently Asked Questions

For some jobs, photos or a short video can help us understand what’s needed before a visit. Larger or more complicated work may need to be assessed in person before we can give an accurate quote.

If you have an urgent plumbing, boiler or heating problem, call us and explain what’s happened so we can advise on the next step and availability.

Saturday appointments are available during our normal opening hours. Get in touch and we’ll let you know what appointment times are available.

Yes. We’re happy to help with smaller repairs and faults as well as larger heating, cooling and mechanical projects.

Need a Heating or Mechanical Engineer?

From boilers and heat pumps to air conditioning, hot water cylinders, ventilation and refrigeration, get in touch and tell us what you need help with.

OR SEND US A MESSAGE
Contact Us