What you need to know about valuations, buyers, and the forces shaping the sector.
The UK government's commitment to phase out new gas boiler installations by 2035 is creating a structural shift in the HVAC industry. Businesses with heat pump installation capability, MCS accreditation, and engineers trained in renewable technologies are being valued at a premium.
For buyers, acquiring a business that is already positioned for the transition is faster and cheaper than building the capability from scratch. Engineer retraining costs of £3,000 to £5,000 per person, plus the time to achieve MCS accreditation, mean that businesses already on this journey are worth significantly more than those still reliant on gas boiler work alone.
This is not a prediction. It is a structural change that is already driving acquisitions. Buyers are actively seeking HVAC businesses that have begun the transition, and the premium they are willing to pay reflects the cost and time they save by acquiring rather than building.
Over 200 HVAC acquisitions were completed in 2024 alone. Private equity firms are building "buy and build" platforms in the heating and cooling sector, assembling regional businesses into national operations with shared back-office, procurement, and training infrastructure.
They target businesses with:
For independent owners, this means more buyers competing for your business, which drives valuations up. The window of peak consolidation activity does not last forever, and businesses that are well-positioned now are attracting the strongest interest.
To illustrate how valuations work in practice, here is a representative example based on typical market transactions.
What pushes towards 5x: Heat pump capability and MCS accreditation demonstrate future-readiness. Low owner dependency means the business runs without the seller. Strong recurring contract base provides predictable revenue for the buyer.
What pushes towards 4x: Geographic spread across a wide area reduces route density. Heavy reliance on a single large client introduces concentration risk. Limited heat pump capability may require buyer investment in retraining.
Every business is different. This example illustrates the methodology, not a promise. Your valuation depends on your specific circumstances.
Business Asset Disposal Relief (BADR) provides a reduced Capital Gains Tax rate on qualifying business disposals up to £1 million. The rate has been increasing in stages, and from 6 April 2026 it rises to 18%.
| Before 30 Oct 2024 | 30 Oct 2024 to 5 Apr 2025 | 6 Apr 2025 to 5 Apr 2026 | From 6 Apr 2026 | |
|---|---|---|---|---|
| BADR Rate | 10% | 10% | 14% | 18% |
| Tax on £500K gain | £50,000 | £50,000 | £70,000 | £90,000 |
| Tax on £1M gain | £100,000 | £100,000 | £140,000 | £180,000 |
These are simplified illustrations. Capital Gains Tax calculations depend on your personal circumstances. Always take advice from your accountant.
The rate change is legislation, not speculation. For a £500,000 gain, the difference between 14% and 18% is £20,000. For a £1 million gain, it is £40,000. If you are already considering a sale, starting the process now gives you the option of completing before the deadline.
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