Save 20% on your home buyers drain survey. For 365 boiler care (complete boiler care +2). After any heating or cooling diagnostic check, you'll receive a comprehensive homecare report that outlines the health of your equipment. Our technicians are trained, tested and ready to save the day at any time they have everything you need, 24/7, to handle all your plumbing, heating or cooling needs everything except a cape. Combi boilers are ideal for small to medium.