Air Source Heat Pumps
Low-carbon heating installed and commissioned by qualified engineers.
Learn MoreComfort you can count on
Quiet, Efficient, Dependable
From urgent repairs to high-efficiency upgrades, our local team keeps your home comfortable in every season.
Book a Free SurveyTrusted by businesses and homeowners across Scotland
Fully InsuredScotlandTop Rated2026Qualified EngineersTrained and registered5-Star ReviewsLocal customersWorkmanshipGuaranteed
Our Services
Heating, Cooling & Fresh Air
From urgent repairs to complete new systems, our own technicians handle every job from start to finish.
Central Heating & Radiators
Radiator upgrades, powerflushing and complete central heating systems.
Learn MoreSystems
Choose the right system
We install every major heating and cooling system and explain the options during your survey.
Compare SystemsCombi Boilers
Instant hot water
Air Source Heat Pumps
Low-carbon heating
Air Conditioning
Cool, quiet comfort
Smart Thermostats
Control from your phone
4,406+Projects completed
2,434+Happy clients
23+Years in business
31Towns covered
24/7Emergency repairs
About UsMore About Us
Your Partner for Year-Round Comfort
Sterling has kept homes across Edinburgh comfortable since 2003. We're a local, family-run team that believes in honest advice, quality equipment and doing every job properly the first time.
Certified Technicians
Trained on every major brand and kept up to date.
Same-Day Service
Fast response for breakdowns, with evening slots available.
Upfront, Honest Quotes
You approve the price before any work starts.
Energy-Saving Systems
High-efficiency equipment that lowers your bills.
Client Stories
View All ReviewsTrusted by Our Neighbours
“Radiators upgraded throughout and the house has never been this warm. Tidy, friendly team.”
“New combi fitted in a day, old tank removed and everything left spotless. Great value.”
How It Works
Start Your Project Today Comfort in 4 Simple Steps
Book a Visit
Pick a time that suits you, including evenings.
Honest Diagnosis
We find the real problem and explain your options.
Expert Repair or Install
Our technician completes the work cleanly and safely.
FAQ
Good to Know
How often should my boiler be serviced?
Once a year. An annual service keeps your boiler safe, efficient and within its manufacturer guarantee.
Are your engineers qualified?
Yes. Our engineers are fully qualified, registered for gas work and insured.
Can you fit air source heat pumps?
Yes. We design, install and commission heat pump systems and can advise on available schemes.
Do you cover emergency breakdowns?
Yes. We offer same-day call-outs for no heating or hot water across the area.
Should I repair or replace my boiler?
If your boiler is over 12 years old or keeps breaking down, a new A-rated boiler usually pays for itself. We'll advise honestly.
Too Hot or Too Cold? We Can Help
Don't wait for a breakdown. Book a service or get a free quote from our local team today.
Get Your Free Estimate
Fill out the form and our team will get back to you within 24 hours.