Your Trusted Heating Oil Supplier & HVAC Service Provider on the South Shore
Since 1999, Ken Duval Oil has provided reliable, affordable heating oil and diesel delivery, as well as heating and A/C services to homes and businesses on the South Shore of Massachusetts.

A Proud Bioheat® Fuel Distributor
Bioheat® fuel is an eco-friendly alternative to traditional heating oil that works seamlessly with your existing equipment. No upgrades required!
LEARN ABOUT BIOHEAT® FUELExpert HVAC Services
Our certified technicians offer comprehensive HVAC services, including heating and cooling system installations, repairs, annual service, and more. Reach out today for a free quote!
MORE ON HVAC SERVICESHeating Oil Delivery
We provide automatic and will-call heating oil delivery to homes across the South Shore. Experience the Ken Duval difference with our affordable prices, no minimum delivery, and fast scheduling.
ORDER HEATING FUEL24/7 Customer Support
It can be overwhelming to face a heating emergency, which is why we have 24-hour on-call customer service. If you’re in need of assistance, contact our team today to speak to an expert.
CONTACT OUR TEAMDiesel Fuel for Businesses
Our delivery services don’t stop at Massachusetts South Shore homes. Trust Ken Duval for dependable diesel fuel delivery to fleets and construction sites in our service area.
EXPLORE COMMERCIAL DIESEL DELIVERY