Business Details
26 Years
experience
Emergency
services
Expert HVAC Services in Portsmouth
Established in 2000, Celsius Environmental Services is an independent HVAC repair and maintenance company based in Portsmouth, Hampshire. Our team combines over 50 years of industry expertise to deliver competitive, efficient solutions for residential, commercial, and industrial clients. Specialising in water source heat pump units (Versatemp) and associated plant equipment, we provide planned preventative maintenance, refurbishment, and installation services with a 12-month warranty on repairs. As SafeContractor-approved professionals since 2005, we prioritise quality assurance and health & safety standards through annual external audits.Our mobile engineers offer rapid response call-outs and on-site diagnostics, ensuring minimal downtime for clients. Partnering with Toshiba and Versatemp, we deliver tailored air conditioning solutions designed to meet exact specifications. Our dedicated maintenance team reduces breakdown risks through cost-effective, customised service procedures. With a purpose-built workshop, we guarantee swift turnaround times for unit repairs, supported by detailed test certificates. Our commitment to excellence has earned trust from major maintenance companies and end-user clients nationwide.
Services
Heat pump repairs
Planned maintenance
Air conditioning installation
Building services
Emergency call-outs
Details
- Year established: 2000
Highlights and features
- 24 years of specialist HVAC experience since 2000
- 12-month warranty on all repair work
- SafeContractor-approved standards since 2005
- Mobile engineers for rapid call-out response
- Official partnership with Toshiba and Versatemp
Associations and certifications
- SafeContractor
Services
Heat pump repairs
Specialist repair and refurbishment of water source heat pump units (Versatemp) using a purpose-built workshop. Services include fault diagnosis, component replacement, and performance testing. All repairs come with a 12-month warranty and traceable certification.
Planned maintenance
Customised maintenance schedules for heat pump units and plant room equipment. Reduces breakdown risks through regular inspections and servicing. Tailored to commercial and industrial requirements with documented compliance records.
Air conditioning installation
Professional installation of split/VRF and fan coil air conditioning systems. Partnering with Toshiba for residential and commercial applications. Includes full system testing and performance optimisation to manufacturer specifications.
Building services
Comprehensive building services for HVAC systems, including PPM schedules and emergency repairs. Designed to maintain operational efficiency and health & safety compliance for commercial properties.
Emergency call-outs
Rapid-response service for urgent HVAC system failures. Mobile engineers provide on-site diagnostics and temporary solutions. Available for both contracted and ad-hoc clients across Hampshire.
Questions
What HVAC services do you specialise in?
We specialise in water source heat pump repairs, air conditioning installation, planned maintenance, and emergency call-outs for residential and commercial properties.
Are you certified for commercial HVAC work?
Yes, we hold SafeContractor approval since 2005 and work with major maintenance companies across Hampshire and surrounding areas.
Do you offer emergency repair services?
Yes, our mobile engineers provide rapid response call-outs for urgent HVAC system failures during standard working hours.
What warranty do repairs include?
All repair work comes with a 12-month warranty covering parts and labour, with traceable test certificates for completed jobs.
How quickly can you complete heat pump repairs?
Most repairs are completed within two weeks of order confirmation, with urgent cases prioritised based on client needs.
Do you work with specific HVAC brands?
We are official partners for Toshiba and Versatemp, but our engineers have expertise across major brands including AAF, SINGER, and ClimateMaster.
