Residential Heating & Cooling

Purchasing an air conditioning system for your home is an investment that will provide you and your family with years of comfort. Whether you are seeking air conditioning for your home for the first time, want to replace a broken or outdated system, or simply need a service call for repairs, our experts can help. Since 1978, A.B. Chelini has been providing affordable and dependable HVAC (heating, ventilation, and air conditioning) services to the Washington Metropolitan area, maintaining and repairing all brands of central air conditioning and heating systems.

Our technicians are experienced and certified and will assist you in making the best decision for your home’s comfort. If you are in need of service, we will perform a diagnostic and provide you with a comprehensive written report regarding your system’s status and make any recommendations necessary to improve your comfort level. With a new installation, we offer the most efficient Energy Star products that will reduce utility bills and add value to your home.

We pride ourselves in delivering quality workmanship, dependable service and affordable pricing to the Maryland and Washington metropolitan area. Some of A.B. Chelini’s HVAC services include:

• Central Air Conditioning System Repair, Installation & Energy Saving Maintenance
• High Efficiency Air Conditioning Systems & Heat Pumps – Installation & Repair
• Energy Saving Programmable Thermostats
• Heating System Repair, Installation and Energy Saving Maintenance
• Boilers, Steam Boilers, Hot Air Furnaces, Heat Pumps & Circulating Pumps
• High Efficiency Heating Systems & Furnaces Installation & Repair

Air Conditioning Systems

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Specializing in residential air conditioning repair and installation, A.B. Chelini is dedicated to keeping clients in the Washington metropolitan area comfortable and cool. No job is too big or small, and we aim to deliver complete customer satisfaction on every project we undertake. We also offer a wide selection of air conditioning systems at affordable prices to meet your specific needs.

We pride ourselves on working hard to ensure not only affordability, but quality and complete customer satisfaction as well. So whether you need air conditioning installation, repair or replacement, our highly trained and experienced contractors will provide efficient, high-quality service you can depend on.

What systems do we service?

Adams, Addison, Ait temps, Aire-Flo, Amana, Amercian Standard, Arcoaire, Armstrong, Air Conditioning, Bryant, Buderus, Burnham, Carrier, Central Boiler, Centurion, Coleman, Columbia, Comfort Maker, Daikin, Dayton, Ducane, Dunkirk, Emerson, Evcon, EWC, Fedders, Friedrich, Frigidaire, Fulton, General Electric (GE), Gibson, Goldstar, Goodman, Hallmark, Haier, Heil, Intertherm, Janitrol, Kenmore, Lars, Lennox, LG, Luxaire, Magic Pak, Maytag, Mitsubishi, Munchkin, Olsen / Airco, Oneida Royal, Parker, Payne, Peerless, Pennco, Polaris, Rheem, Ruud, Runtal, Sanyo, Sears, Sharp, Spartan, Tappan, Tempstar, Thermo Pride, Transe, Utica, Weatherking, Weil-McLane, Whirlpool, Williamson-Thermaflo, York

What does a service call entail?

One of our skilled and trained technicians performs a diagnostic check on your system, and fixes your problem. They will also make recommendations as how to best remedy the problem to ensure that your system performs at the highest level of efficiency.

If I need an installation…

If you need a new system installed, our Comfort Specialists will sit down with you, assess your satisfaction with your current system, and discuss your needs to help you find the best air conditioning solutions for your budget and space.

Heat Pumps

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With the cost of home heating fuel constantly on the rise, there’s never been a better time to explore alternative means of heating your home. At A.B. Chelini, we offer a complete range of heat pump installation services. We’re eager to help you save money and energy through efficient and accurate heat pump installation.

Heat pumps are a great way to heat your home by drawing air from outside and just like an air conditioner, a heat pump can be used to cool your home. With a heat pump, there’s no need for separate heating and cooling systems—the heat pump does it all. And of course, heat pumps are better for the environment, as there’s no burning of fossil fuels. Save money and energy with a new heat pump from A.B. Chelini. To schedule an estimate for heat pump installation, call us today.

Is a heat pump able to heat my house when it is cold outside?

Yes, when sized properly and when a humidifier is installed with a heat pump for humidity purposes.

Why does my heat pump blow cold air?

The heat pump warms air to a temperature higher than the thermostat setting but lower than your body temperature, so it feels cooler but is actually heating.

Why does the heat pump need to be elevated off of the pad?

So that when it goes through the defrost cycle, the water has somewhere to go.

Duel Fuel Systems

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Our dual-fuel systems offer the perfect combination of efficiency and comfort with two energy sources—an electric heat pump and a gas furnace.

What makes this system so ideal is that it seamlessly alternates between the two energy sources, depending on outdoor conditions. A heating and cooling system all in one, the heat pump functions as both a heating and cooling system, reducing gas fuel consumption. On extra cold days the gas furnace becomes the primary heat source, ensuring maximum comfort is maintained.

Why is it called a duel fuel?

It uses two sources of energy for heating purposes.

Why use a dual fuel system?

High efficiency heat pumps can heat the house cheaper so when the temperatures are milder they don’t need the other, more expensive fuel.

How are dual fuel systems different from a heat pump with auxiliary heat?

Heat pumps with auxiliary heat (usually electric strip heat) also combine a heat pump with an additional heat source for cold weather situations. The difference is that the additional heat is part of the heat pump instead of a separate system, and will run in tandem with it.

Oil, Gas, and Electric Furnaces

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Need a heating solution for your home? Is your current furnace in total disrepair? Our team offers a variety of makes and models and provides the highest level of quality in furnace repair and installations.

No matter the size of your space, A.B. Chelini has a furnace installation option suited for you. You depend on your furnace to keep your indoor space comfortable and warm when the weather turns cold, so when your furnace starts to malfunction you can turn to A.B. Chelini for a replacement model that will restore warmth to your home.

We understand that a working furnace is something you simply cannot function without, so we’ll have yours installed or replaced rapidly without compromising on quality.

When you hire us, you can rest assured that all jobs are performed by knowledgeable technicians. Our experienced staff is dedicated to serving your needs, and we’re ready to put our knowledge to work for you. Call today to schedule an estimate and learn more about your options for furnace installation and replacement.

Can I put a high efficiency 90% furnace on a regular chimney?

No, because the byproducts of combustion are corrosive and will eat through a metal chimney or damage the mortar in a conventional masonry chimney.

Can I get a high efficiency boiler?

Yes, boilers can reach up to 98% efficiency

Oil To Gas Conversions

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With oil prices rising to record highs and steadily increasing, there’s never been a better time to switch over to natural gas. A cleaner burning and more efficient home heating fuel, natural gas can significantly reduce your home’s CO2 emissions and eliminate the need to worry about noxious odors and home deliveries. Better still, the efficient use of natural gas may greatly reduce the cost of fuel to heat your home.

If you currently have an oil-based heating system and are considering making a change in favor of natural gas, you’ll need a skilled HVAC technician experienced in converting heating systems. At A.B. Chelini, we have the tools and skills to perform oil to gas conversions, and we’re eager to help you make the switch to cleaner, eco-friendly, cost-effective home heating. Get clean, cost-effective heat with the help of A.B. Chelini. Call today to get an estimate and learn more about what your oil to gas conversion might entail.

What are the benefits?

Clean burning fuels help the environment, and you can get more efficient equipment with gas appliances than oil appliances.

Carbon Monoxide Detectors

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Carbon monoxide (CO) is a deadly, colorless, odorless, poisonous gas. It is produced by the incomplete burning of various fuels, including coal, wood, charcoal, oil, kerosene, propane, and natural gas. On average, about 1500 people in the United States die every year due to accidental carbon dioxide poisoning produced by non-automotive consumer products. These products include malfunctioning fuel-burning appliances such as furnaces, ranges, water heaters and room heaters, engine-powered equipment such as portable generators, fireplaces, and charcoal that is burned in homes.

With today’s tightly sealed and well insulated homes, carbon monoxide can accumulate to hazardous levels in a short period of time. Therefore, it’s critical to have working carbon monoxide detectors in your home. Other fuel burning appliances such as gas water heaters, dryers and other appliances should also be checked to ensure they are properly vented to the outside of the house. A.B. Chelini’s skilled and knowledgeable technicians can easily install carbon monoxide detectors, investigate for sources of CO from fuel burning equipment and appliances, and inspect for proper operation of this equipment.

Call us today to keep your family safe!

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