Oil boilers
Oil boiler lockout won't reset: what to do
What a lockout means, the safe checks to try, and when to call an OFTEC engineer.
4 min readRead →
Heat pumps
Air source heat pump not heating water: causes and fixes
Why the house is warm but the water is cold, and how we diagnose it.
5 min readRead →
Heat pumps
Mitsubishi Ecodan fault codes explained
A plain-English guide to the codes we see most, and which need an engineer.
6 min readRead →
Oil boilers
Oil boiler not firing up: a simple checklist
Fuel, power and reset checks to try before booking a call-out.
4 min readRead →
Heat pumps
Why is my heat pump making a loud noise?
Which sounds are normal, which signal a fault, and what to do.
4 min readRead →
Heat pumps
What does a heat pump service cost in Scotland?
Typical annual service costs, what's included, and why it pays off.
4 min readRead →
Gas boilers
Back boiler replacement in Scotland: your options
Your options for replacing an ageing back boiler, and what's involved.
5 min readRead →
Gas boilers
Boiler leaking water? Do this first
The first steps to limit damage, plus what causes leaks.
3 min readRead →
Oil boilers
How often should an oil boiler be serviced?
The short answer is yearly. Here's why, and what a service includes.
3 min readRead →
Heat pumps
How often should a heat pump be serviced?
Why annual servicing protects your warranty and efficiency.
3 min readRead →
Heat pumps
Heat pump maintenance checklist for Scottish homes
Simple jobs you can do between services to keep it efficient.
4 min readRead →
Heat pumps
My heat pump has frozen: what now?
Which frosting is normal, which needs attention, and what not to do.
4 min readRead →