Lime Arnold Group

The future of
heating, cooling
& solar energy

A family of eight specialist businesses united under one vision — making sustainable climate solutions accessible, efficient, and built to last.

8
Specialist Brands
3,500+
Installations
12+
Years Trading
100%
Renewables-Led
Qualis Energy
ArcticNord
AiR Solar
SOLARFIELD
Qualis Greentech Training Academy
Fox Face Marketing
Parasol
Qualis Energy
ArcticNord
AiR Solar
SOLARFIELD
Qualis Greentech Training Academy
Fox Face Marketing
Parasol

Built for a greener tomorrow

Lime Arnold Group is a multi-brand holding group specialising in renewable energy and climate control solutions for homes and businesses across the UK. We've assembled a portfolio of expert companies that each lead in their field.

From heat pumps and solar panels to HVAC engineering, training, and marketing — our ecosystem covers the full spectrum of the modern energy transition.

Meet Our Brands
🌱

Sustainability First

Every brand is built around reducing carbon footprint and energy waste.

Deep Expertise

Specialist teams with decades of combined field and engineering experience.

🏠

Residential & Commercial

Solutions scaled for single homes to large commercial estates.

🎓

Industry Training

Investing in the next generation of HVAC and renewable engineers.

Seven brands, one group

Heating
Qualis Energy

Full-service heating solutions including boilers, heat pumps, underfloor heating, and smart heating controls for homes and businesses.

Visit Qualis Energy
Cooling
ArcticNord

Expert air conditioning, commercial refrigeration, chiller systems, and climate control for every property type and size.

Visit ArcticNord
Residential Solar
AiR Solar

Residential solar PV design, supply, and installation — helping homeowners generate their own clean energy and cut electricity bills.

Visit AiR Solar
Commercial Solar
SOLARFIELD

Large-scale commercial solar installations, ground-mounted arrays, solar carports, and integrated energy storage solutions for enterprise clients.

Visit SOLARFIELD
HVAC Training
Qualis Greentech Training Academy

Accredited HVAC training programmes equipping engineers with the skills and certifications needed to work in the green economy.

Visit the Academy
HVAC Marketing
Fox Face Marketing

Specialist marketing agency for HVAC and renewable energy businesses — from brand strategy and lead generation to digital campaigns and web design.

Visit Fox Face Marketing
Heat Pump Agency
Parasol

The umbrella agency for air source heat pump (ASHP) and air-to-air (A2A) solutions — connecting customers with fully vetted, certified installation partners nationwide.

Visit Parasol

From enquiry to energy independence

01

Free Consultation

Speak with a specialist from the right brand within our group. We assess your property, energy needs, and goals — no jargon, no hard sell.

02

Tailored Design

Our engineers create a bespoke system design — whether that's a solar array, heating upgrade, cooling solution, or a combination of all three.

03

Professional Installation

MCS-certified and fully accredited installation teams carry out the work to the highest standard, on time and with minimal disruption.

04

Ongoing Support

We don't disappear after install. Maintenance packages, monitoring, warranty support and aftercare from the team who built your system.

Real results, real people

★★★★★

"Qualis Energy installed our heat pump last autumn and our heating bills have dropped by nearly 60%. The team were brilliant from start to finish."

SH
Sarah H.
Homeowner · Hampshire
★★★★★

"SOLARFIELD designed and installed our commercial roof array. 180kWp, delivered ahead of schedule. Our energy costs have never been lower."

TW
Tom W.
Operations Director · Logistics Group
★★★★★

"The Qualis Greentech Training Academy gave me the F-Gas and heat pump qualifications I needed to transition my career into renewables. Exceptional instructors."

MK
Marcus K.
HVAC Engineer · Manchester

Ready to make the switch?

Talk to one of our specialists today. Free assessments, no obligation.

Contact Us Today