HISA — Designed in Scotland
Heating.Hot water.Energy.Made simpler.
Designed in Scotland. Engineered for the way we live.
We started with heat pumps. We didn't stop there.
Based in Glasgow, HISA is an independent Scottish heating and home-energy technology company. We develop and supply R290 air source heat pumps, hot water cylinders and battery storage for homes across the UK — with practical support for customers and industry partners.
HISA Heat
Heat differently.
Our R290 heat pumps reach flow temperatures up to 75°C. That means they suit real homes — including homes with the radiators already on the wall. Quiet outside, simple inside, and built to work through a Scottish winter.
75°C
Maximum flow temperature
4.85
SCOP up to
4–18kW
Output range
10years
HISA+ warranty
HISA Hot Water
Hot water. Designed around HISA.
When a cylinder is the right answer, HISA hot water cylinders are designed for use with HISA heat pumps, with capacities to suit different homes and hot water requirements.
HISA Energy
Store your energy. Use it your way.
Modular battery storage that keeps the energy your home makes and uses it when it is worth the most. Two lines: Hybrid for new installations, AC Coupled to add storage to a home that already has solar.
One system
One home.One system.One brand.
You should not have to assemble your home from four unrelated brands and hope they cooperate. HISA is designed as one system, supported by one company.
HISA+
HISA+Built for the long term.
A heating system should be a twenty-year decision. HISA+ is how we stand behind that.
01
10-year heat pump warranty
Parts and labour manufacturer warranty, subject to applicable HISA Warranty Terms.
02
Lifetime monitoring
Remote monitoring for the life of the system.
03
UK technical support
Real engineers, based here.
04
Spare parts support
Held and supported long term.
HISA Engineering
Engineered in Scotland.Built for the real world.
We are an engineering company in Glasgow. We design products for the homes and the weather we actually have, and we test them against the way people really live. There is a lot still to build.
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Replace with real HISA engineering, R&D or team photography when available. Do not use generic stock photography.