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Knights Airconditioning Ltd
Our services

Air conditioning services, done properly

Whatever you need, from a single home installation to planned commercial maintenance, our F-Gas certified engineers deliver work you can rely on across Hertfordshire, Watford and London.

Retrofits, renovations & loft conversions

Residential Installation

10 years' experience specialising in residential air conditioning installation, including retrofitting into finished homes, full renovations and loft conversions. Clean, tidy work that respects your decor.

Enquire about retrofits, renovations & loft conversions
  • Retrofitting into existing homes
  • Full renovations and refurbishments
  • Loft conversions and extensions
  • Wall-mounted, ducted and concealed systems
Offices, retail & more

Commercial Installations

Reliable climate control for offices, retail units and commercial buildings, sized correctly and installed with minimal disruption to your operation.

Enquire about offices, retail & more
  • Design, supply and full installation
  • VRF, cassette and ducted systems
  • Minimal downtime to your business
  • F-Gas compliant commissioning
Precision, always-on cooling

Server Rooms

Dedicated cooling for server and plant rooms, sized for continuous duty so critical equipment stays protected around the clock.

Enquire about precision, always-on cooling
  • Continuous duty sizing
  • Resilient, always-on operation
  • Precision temperature control
  • Monitoring and alerts
Diagnose & fix fast

Service & Repair

Systematic diagnostics and lasting repairs. Our engineers find the root cause quickly, explain the fix clearly and get your system back to full performance.

Enquire about diagnose & fix fast
  • All makes and models
  • Refrigerant leak detection and repair
  • Electrical and control board faults
  • Honest, fixed pricing
Planned care

Maintenance

Planned servicing that protects performance, efficiency and warranty. Regular maintenance prevents breakdowns and extends the life of your equipment.

Enquire about planned care
  • Filter cleans and deep coil cleans
  • Refrigerant and pressure checks
  • F-Gas compliant records
  • Single visits or planned contracts
Contract maintenance

Planned maintenance that protects your business

A planned maintenance contract keeps your systems efficient, compliant and reliable all year round. Fewer breakdowns, lower running costs and priority cover when you need us most.

  • Scheduled servicing tailored to your site
  • F-Gas compliant records and reporting
  • Priority response for contract clients
  • Predictable costs with no surprises

We provide planned maintenance for

Offices
Retail units
Restaurants & cafes
Commercial buildings
Server & plant rooms
Residential properties

24/7 emergency cover available for contract clients. 07905 901651

Questions answered

Frequently asked questions

Straight answers to the things our customers ask most. Cannot find what you need? Get in touch and we will help.

Not sure which service you need?

Tell us about your space and we will recommend the right solution. Free, friendly advice with no pressure.