Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Enfield CT
Since 1939, Miller Oil Company has been a trusted provider of heating, cooling, and energy solutions for residential and commercial clients in Enfield, Connecticut, and surrounding areas. Founded by Alexander S. Miller and now led by fourth-generation family members Charles H. Miller and Douglas J. Miller, our company combines decades of industry experience with cutting-edge technology to deliver reliable HVAC repairs, installations, and preventative maintenance. Our certified technicians specialize in oil, gas, propane, and electric heating systems, central air conditioning, ductless solutions, and fuel oil delivery, ensuring year-round comfort for our customers.We prioritize customer satisfaction through 24/7 emergency service, transparent pricing, and comprehensive service contracts, including Gold, Silver, and Bronze plans tailored to individual needs. With a commitment to innovation and sustainability, we offer energy-efficient equipment, smart thermostat integration, and conservation advice to reduce costs and environmental impact while maintaining exceptional service standards.
Services
HVAC Repair
Furnace Installation
Boiler Repair
Central Air Conditioning
Fuel Oil Delivery
Ductless Systems
Preventative Maintenance
Emergency Service
Heating Upgrades
Thermostat Installation
Details
- Year established: 1939
Highlights and features
- We offer 80+ years of experience in HVAC and energy services.
- Our NATE-certified technicians provide expert repairs and installations.
- 24/7 emergency service ensures rapid response to heating and cooling crises.
- We guarantee upfront pricing with no hidden fees.
- Custom service contracts protect your HVAC systems year-round.
What people say
Great service
Professional technicians
Prompt emergency response
Fair pricing
Excellent communication
Services
HVAC Repair
Miller Oil Company specializes in emergency and routine HVAC repairs for oil, gas, propane, and electric systems. Our NATE-certified technicians diagnose and fix issues with furnaces, boilers, air conditioners, and ductless units, ensuring rapid restoration of comfort. We service all brands and models, offering same-day emergency response and upfront pricing for residential and commercial clients.
Furnace Installation
We install high-efficiency furnaces from trusted brands like Thermo Pride and Viessmann, tailored to your home's needs. Our team performs load analyses to determine optimal system sizing, ensuring energy efficiency and long-term reliability. Financing options and manufacturer warranties are available for residential and commercial heating upgrades.
Boiler Repair
Our experts handle oil and gas boiler repairs, maintenance, and tune-ups, addressing issues like fuel inefficiency, ignition problems, and heat exchanger cracks. Annual maintenance prevents breakdowns and extends system lifespan, with service contracts available for ongoing protection and priority scheduling.
Central Air Conditioning
We offer central AC installation, repairs, and maintenance using energy-efficient models from Ruud and Mitsubishi. Our technicians perform diagnostic tests to ensure proper system function, with load analysis for optimal cooling capacity. Emergency service and 10-year warranties are available for residential and commercial properties.
Fuel Oil Delivery
Miller Oil Company provides automatic and on-demand heating oil delivery with price protection plans. Our 80-year legacy ensures reliable supply tracking via weather-monitoring software, budget payment options, and clean, efficient delivery to keep homes warm throughout winter.
People
Charles H. Miller
Owner
Fourth-generation leader of Miller Oil Company, Charles H. Miller oversees operations with a focus on maintaining the family legacy of quality service since 1939. He ensures adherence to high standards in HVAC repairs, installations, and customer care.
Douglas J. Miller
Owner
A great-grandson of the founder, Douglas J. Miller works alongside Charles H. Miller to uphold the company's commitment to excellence. He specializes in customer relations and modernizing HVAC solutions while preserving traditional values of reliability and trust.
Questions
What HVAC services does Miller Oil Company Company offer?
We provide heating and cooling repairs, installations, maintenance, fuel oil delivery, and ductless system solutions for residential and commercial clients.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency service for urgent heating and cooling issues.
What areas do you service?
We serve Enfield, CT, and surrounding towns in Connecticut and Massachusetts, including Hartford, Tolland, and Springfield areas.
Are your technicians certified?
All our HVAC technicians are NATE-certified and licensed by the State of Connecticut.
Do you offer financing options?
Yes, we provide financing and rebates for HVAC upgrades and system replacements.
How can I schedule service?
Call us at (860) 745-0326 or use our online form to schedule an appointment.
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