When You Partner With a Family-Run Company Like Levco, You Are Treated like Family.

HVAC Company in Norwalk, CT

Family-Owned HVAC & Fuel Service in Connecticut Since 1980

We provide residential and commercial HVAC installation, repair, maintenance, and equipment replacement alongside heating oil and propane services.

Our licensed, in-house technicians work on heating and cooling systems. With more than 40 years of service experience and a fleet of more than 30 service vans and delivery trucks, we handle routine appointments, equipment projects, fuel deliveries, and 24/7 emergencies.

Request HVAC service in Norwalk by calling (203) 533-8249.

Heating Oil Delivery in Norwalk

We offer competitive pricing on automatic heating oil delivery. Our proprietary forecasting system calculates when each oil customer needs another delivery, while route planning and delivery monitoring help us manage fuel service efficiently. An account manager can provide more details about our market-rate options or available contract pricing for heating oil delivery.

Automatic delivery can reduce the need to monitor fuel use and place each order manually. Customers who prefer greater control over individual deliveries can discuss available ordering options with our staff.

Propane Delivery for Homes & Businesses

Propane is used throughout Norwalk to power heating systems, cooking appliances, fireplaces, generators, grills, swimming pool heaters, and hot water equipment. We offer tank monitoring and automatic propane delivery to residential and commercial customers.

Propane delivery planning can account for the equipment served, tank capacity, property access, fuel use, and seasonal demand. The same licensed, in-house staff handles propane service and related heating or cooling work.

Propane Tank Installation

We install propane tanks based on residential or commercial fuel requirements. Our team helps customers follow safe practices for propane storage, handling, transportation, and use. Available options include one or more 120-gallon propane tanks, which can support uses ranging from cooking and fireplaces to whole-home heating.

Tank selection can depend on expected fuel consumption, available placement, delivery access, and the appliances connected to the system. We can review these factors before recommending a tank configuration.

Our Propane Exchange program provides delivery of 20-pound propane tanks for grilling, patio heaters, and other outdoor equipment. After enrolling through our existing online ordering process, customers can request an exchange through the order form on levcooil.com/propane-exchange or scan the QR code on the tank.

Heating Repair & Maintenance in Norwalk

Our licensed technicians provide heating repair, maintenance, installation, and replacement for oil-fired and propane systems. After inspecting the equipment, we explain its condition and the available repair or maintenance options.

Maintenance commonly involves inspecting, cleaning, testing, and adjusting system components based on the equipment and its condition.

We provide 24/7 emergency service for heating, cooling, and fuel problems, backed by a fleet of more than 30 service vans and delivery trucks.

Air Conditioning Repair & Installation

We provide residential and commercial air conditioning installation, repair, maintenance, and emergency service.

Our Spring Check maintenance service prepares cooling equipment for seasonal use through component inspection and system performance checks. If repairs or upgrades are needed, we explain the available choices and provide transparent recommendations based on the system and property.

Heating & Cooling Equipment Replacement

A repair may make sense when an HVAC system has a contained problem and suitable remaining service life. Replacement may be worth considering when breakdowns recur, comfort problems persist, operating costs change unexpectedly, or existing equipment no longer fits the property’s needs.

We provide free equipment replacement quotes and compare options based on the building, fuel source, existing distribution system, available space, expected performance, and budget. Our technicians work with major heating and cooling equipment brands and can explain product differences without pressuring customers into a decision.

Choosing HVAC Repair, Maintenance, or Replacement

The right next step depends on the equipment’s condition, service history, current symptoms, and how well it meets the property’s heating or cooling needs. Our licensed, in-house technicians can inspect the system and discuss repair and replacement options based on what they find.

Before contacting our HVAC contractors, gather any details you have about:

Equipment: System type, fuel source, approximate age, and model information
Symptoms: Unusual sounds, odors, leaks, cycling, airflow changes, or temperature problems
Service History: Previous repairs, maintenance visits, and recurring concerns
Controls: Thermostat settings, error messages, and recent control problems
Comfort: Rooms affected and changes in heating, cooling, or energy use

We provide transparent quotes and product comparisons so customers can evaluate the available choices. Flexible payment plans are also available for comfort and energy services.

Signs Your HVAC System Needs Service

Your HVAC system can show several warning signs before a small issue becomes a major repair. Schedule professional HVAC service if you notice:

Uneven temperatures: Some rooms are much warmer or colder than others.
Weak airflow: Air coming from the vents feels weaker than usual.
Strange noises: Banging, rattling, squealing, grinding, or buzzing can indicate a mechanical problem.
Unusual odors: Burning, musty, or persistent odors may point to electrical, airflow, or indoor air quality concerns.
Higher energy bills: A sudden increase in energy use can mean your system is working harder than it should.
Frequent cycling: If the system turns on and off more often than normal, it may need adjustment or repair.
Poor heating or cooling: Your HVAC system runs but struggles to reach the thermostat setting.
Water or refrigerant leaks: Moisture around the equipment should be checked before it causes additional damage.
Increasing repair needs: Repeated breakdowns can be a sign that the system needs more thorough service or replacement planning.

Regular HVAC maintenance can help identify worn components, airflow problems, electrical issues, and other concerns before they lead to a larger breakdown.

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Why Choose Levco?

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Excellence At Every Degree

Heating Experts
From furnace repairs to new system installs, we keep your home warm all winter long.
Cooling Solutions
AC repairs, maintenance, and installations to keep you cool and comfortable when it matters most.
Oil & Propane Delivery
Reliable fuel delivery and flexible options to keep your home running smoothly.
Comfort, Year-Round
24/7 service, maintenance plans, and a team that treats you like family.
Satisfaction Guaranteed
Local, Family-Owned Business

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See What Our Customers Are Saying

“We have used Levco for over 20 years”
“We have used Levco for over 20 years and they have always been reliable, fair and professional.”

- J. P.
“Super friendly, professional, and knowledgeable.”
“
I’ve never had any issues with Levco as their staff (office, techs, delivery drivers, etc) have all been great. Highly recommend.
”

- Courtney
“I called Levco and Williams showed up 7 am in the morning.”
“This is the type of guy that makes Levco stand out! Highly recommended!”

- Wenyi L.

$50 Referral Credit

Have a friend, family member, or neighbor looking for a new oil company? If they have never experienced Levco’s top-quality service, let them know about Levco’s referral program and you will both receive $50 off your next heating oil delivery.

*Call for details. Additional terms may apply.

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Serving Fairfield & New Haven Counties

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$50 Referral Credit
Have a friend, family member, or neighbor looking for a new oil company? If they have never experienced Levco’s top-quality service, let them know about Levco’s referral program and you will both receive $50 off your next heating oil delivery.
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Signs You May Need HVAC Service

Request service when a heating or cooling system stops working, can’t maintain the selected temperature, or begins operating differently. Recording when the problem occurs and which rooms are affected can give the technician useful context.

Common reasons to contact an HVAC contractor include:

No heat or no cooling
Uneven room temperatures
Weak or restricted airflow
Unusual sounds or odors
Water around indoor equipment
Frequent starts and stops
Unexpected changes in fuel or energy use

Loss of heat during freezing weather, a suspected fuel leak, an electrical hazard, or unsafe equipment operation may require emergency service. Our licensed technicians can evaluate whether the appropriate response is repair, maintenance, adjustment, or equipment replacement.

Get Clear Options for Your Comfort System

We provide HVAC repair, maintenance, and replacement alongside heating oil and propane service. We can explain relevant equipment options, provide a free replacement quote, and answer questions about flexible payment plans.

Call us today for a free quote! Norwalk customers can call (203) 533-8249 to schedule HVAC service.