Business Details
50+ Years
experience
Emergency
services
Trusted Fuel Delivery and HVAC Services in East Quogue, NY
Mendenhall Fuel has been a trusted provider of fuel delivery and HVAC services on Long Island since 1934. Founded by C.L. Mendenhall with a pickup truck and 200-gallon tank, our family-owned business has grown while maintaining core values of reliability and personal integrity. We specialize in heating oil, kerosene, and Bioheat fuel delivery with automatic scheduling and budget plans. Our HVAC division offers installation, repair, and maintenance for boilers, furnaces, water heaters, and central air conditioning systems.With 24/7 emergency service and a team trained in renewable energy solutions, we serve over 80 communities across Eastern Long Island. Our technicians maintain certifications in oil, propane, and natural gas systems while investing in ongoing education about energy-efficient technologies. We guarantee 100% satisfaction through prompt service, transparent pricing, and a free service contract for automatic delivery customers.
Services
Fuel Delivery
Heating Oil
Kerosene
Bioheat Fuel
Automatic Delivery
Budget Plan
Boiler Installation
Furnace Repair
Central Air Conditioning
Water Heater Service
Details
- Year established: 1934
Highlights and features
- 24/7 emergency service available 365 days a year
- Family-owned and operated since 1934
- Technicians trained in renewable energy solutions
- Automatic fuel delivery prevents supply shortages
- Serving over 80 Long Island communities
What people say
Prompt fuel delivery
Affordable prices
Friendly staff
Reliable service
Efficient technicians
Services
Fuel Delivery
We provide prompt heating oil, kerosene, and Bioheat fuel delivery across Long Island. Our automatic delivery system uses degree-day tracking to ensure optimal fuel levels. Budget payment plans spread annual costs over 11 months for predictable expenses.
Heating Systems
Our technicians install and service oil-fired boilers, furnaces, and water heaters. We offer Phase III water heaters and modern heating systems that improve efficiency. Emergency repair service operates 24/7 for critical heating failures.
Central Air Conditioning
We install high-efficiency central air conditioning systems that reduce electrical consumption by up to 40%. Our services include AC repair, filter replacements, and refrigerant leak detection. Air duct cleaning improves indoor air quality and system performance.
Bioheat Fuel
Our Bioheat fuel blends ultra-low sulfur heating oil with renewable biodiesel to reduce greenhouse gas emissions. This environmentally friendly alternative maintains equipment efficiency while providing sustainable heating for residential properties.
Emergency Service
We offer round-the-clock emergency response for heating and cooling system failures. Our technicians are available 24 hours a day, 7 days a week, with same-day service for critical no-heat situations during cold weather.
People
Tom Mendenhall
President
Third-generation leader with over 50 years in the fuel industry. Served in the Army before joining the family business in 1968. Oversees daily operations and strategic direction.
Becky Mendenhall
Full-Time Staff
Fourth-generation team member who transitioned from part-time to full-time role. Handles customer service and administrative operations for the family business.
Questions
What areas do you serve?
We serve over 80 communities across Eastern Long Island including East Quogue, Bridgehampton, East Hampton, Southampton, Riverhead, and surrounding areas.
Do you offer emergency service?
Yes, our 24/7 emergency service responds to heating and cooling system failures 365 days a year with immediate technician dispatch.
What fuel types are available?
We deliver heating oil #2, kerosene, and Bioheat fuel. Bioheat combines traditional heating oil with renewable biodiesel for environmentally conscious customers.
How does automatic delivery work?
Our degree-day system tracks fuel usage patterns and weather conditions to schedule deliveries automatically, preventing supply shortages without customer intervention.
Are payment plans available?
Yes, our Budget Plan spreads annual fuel and service costs over 11 months with equal monthly payments starting in July for predictable heating expenses.
What HVAC services do you provide?
We install, service, and repair boilers, furnaces, water heaters, and central air conditioning systems. Our technicians handle both emergency repairs and routine maintenance.