HVAC career guide
HVAC Engineer: What You'll Earn and How to Get In
UK HVAC engineer adverts paid a median £45,000, with the middle half between £40,925 and £50,000 (1,135 adverts in the UKTJ Pay Index, June to August 2026). From scratch, build a plumbing and heating base for heating work, or take a paid apprenticeship for air con.
What HVAC and related jobs pay
Annual advertised pay, 1 June to 7 August 2026, UKTJ Pay Index. The last row is NCS starter-to-experienced guidance, not an advert sample.
- Role
- HVAC Engineer
- Median or guidance
- £45,000
- Middle half
- £40,925 to £50,000
- Sample
- 1135
- Role
- Heat Pump Installer
- Median or guidance
- £45,000
- Middle half
- £42,500 to £51,000
- Sample
- 44
- Role
- Gas Engineer
- Median or guidance
- £44,280
- Middle half
- £39,900 to £50,000
- Sample
- 689
- Role
- Plumber
- Median or guidance
- £36,100
- Middle half
- £30,073 to £41,500
- Sample
- 811
- Role
- Heating and ventilation engineer (NCS)
- Median or guidance
- £20,000 starter to £40,000 experienced
- Middle half
- Career guidance
- Sample
- Not an advert sample
| Role | Median or guidance | Middle half | Sample |
|---|---|---|---|
| HVAC Engineer | £45,000 | £40,925 to £50,000 | 1135 |
| Heat Pump Installer | £45,000 | £42,500 to £51,000 | 44 |
| Gas Engineer | £44,280 | £39,900 to £50,000 | 689 |
| Plumber | £36,100 | £30,073 to £41,500 | 811 |
| Heating and ventilation engineer (NCS) | £20,000 starter to £40,000 experienced | Career guidance | Not an advert sample |
See the full UK Trade Pay IndexHVAC salary guide
HVAC engineer jobs
HVAC Engineer jobs live now
See all hvac engineer jobsAir Conditioning & Refrigeration Engineer
Olliver Charles Ltd
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Mobile Air Conditioning Engineer
Facilitate Search Ltd
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Lead Air Conditioning Installation Engineer
Morris and Young Mechanical Ltd
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1. Pick heating or air con first
Air con and refrigeration: a paid refrigeration, air-conditioning and heat-pump apprenticeship is a route from scratch. In England the Level 3 standard typically takes 36 months before final assessment. See the apprenticeship route.
Line up the workplace experience before paying for a course. The plumbing NVQ, gas portfolio and F-gas course below need you working for or alongside a qualified engineer.
2. Heating: get a plumbing base
Read the course and entry requirements. Price checked 7 October 2026.
3. Gas: supervised training, ACS, then Gas Safe
You then need the appropriate Gas Safe registration for the work you will do. A short classroom course alone does not complete this route. BPEC explains the entry routes.
4. Add heat pumps
The England Heat Training Grant can discount an eligible course by £500 through participating providers. Business size, employment and relevant certification conditions apply.
MCS certifies the installing business. Passing a heat-pump course does not make you personally MCS-certified. Read the Leeds course requirements.
5. Air con: F-gas Category 1
Cardiff and Vale College lists a four-day course at £1,003.57 total: £907.96 tuition, £85.61 awarding fee and £10 administration. It requires employment in a qualified refrigeration or air-conditioning firm and experience of brazing, charging and refrigerant recovery.
That is an experienced-worker course. If you are starting from scratch, look at the paid apprenticeship first. Course and entry requirements, checked 7 October 2026.
6. Going self-employed
Official company-certification rules. For income planning, use your expected booked hours, travel, insurance, equipment and unpaid time; this review does not establish a self-employed HVAC day rate.
Sources and method
Heating and ventilation engineer: £20,000 to £40,000 starter-to-experienced guidance and working conditions.
Refrigeration apprenticeship: Level 3, typically 36 months before final assessment.
Plumbing Level 2 NVQ: One year, two evenings per week; £1,788 full price for 19+; eligible reduced fee £0. Regular work with a qualified plumber required.
Air-source heat-pump award: 2026/27 course: three days, £600. NVQ Level 2/3 plumbing/heating or relevant experience, plus Water Regulations or equivalent.
F-gas Category 1 course: Four days; course £907.96, awarding fee £85.61, administration £10. Fully employed in a qualified refrigeration/AC firm with relevant experience.
Gas qualification routes: New-entrant training, supervised workplace evidence and ACS assessment; course attendance alone is not registration.
Gas registration: Appropriate Gas Safe registration for gas work.
F-gas qualifications: Personal qualifications for relevant F-gas work; Category 1 covers all listed stationary RACHP activities.
F-gas company certification: Company certification for stationary RACHP work for others, including sole traders; renew every three years.
Heat Training Grant: £500 discount through participating providers, subject to business-size, employment and relevant certification requirements.
MCS scheme: MCS certifies the installation business, not an individual course attendee.
AI-assisted source review by UK Trade Jobs, 7 October 2026.
Frequently Asked Questions
Do heat-pump installers earn more than HVAC engineers?▼
In the June to August 2026 UKTJ sample, both had £45,000 annual-pay medians. Heat-pump installer adverts had a middle half of £42,500 to £51,000 across 44 adverts. HVAC had £40,925 to £50,000 across 1,135. These samples do not establish a pay premium for everyone.
How much do self-employed HVAC engineers earn?▼
This review has no verified self-employed day-rate sample. Employed HVAC adverts had a £45,000 annual median in the June to August 2026 Pay Index. Work out self-employed income from booked work minus business costs and unpaid time; it is not the same measure as a salary.
How long does it take to retrain in HVAC?▼
The England refrigeration, air-conditioning and heat-pump apprenticeship typically takes 36 months before final assessment. The plumbing NVQ example takes one year of evening study alongside work. Gas entry depends on completing training, supervised evidence and assessment; a short heat-pump add-on is for people with an existing base.
Can I specialise in air conditioning?▼
Yes. From scratch, a paid Level 3 refrigeration, air-conditioning and heat-pump apprenticeship is an entry route. A four-day F-gas course such as the Cardiff and Vale example is for people already employed in the industry, not a complete beginner route.
What is the difference between plumbing and HVAC?▼
Plumbing covers water, drainage and heating work. HVAC includes heating, ventilation and air conditioning; the qualifications depend on the systems you work on. In the dated UKTJ sample, plumber adverts had a £36,100 annual median against £45,000 for HVAC adverts.
Is HVAC physically demanding?▼
Work can involve cramped spaces, height, hot environments and moving equipment. NCS also describes evening and weekend work. Compare the setting and working pattern: installation, maintenance and service roles can involve different tasks.
More HVAC engineer guides to compare
Refrigeration and air-conditioning apprenticeship
Paid while you train. Typically 36 months in England before assessment.
Read guide →F-gas qualifications
Personal qualifications, company certification and the work they cover.
Read guide →HVAC salary guide
Explore pay and the duties behind an HVAC role.
Read guide →