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HVAC NEWS & INFORMATION

Advances in Rooftop HVAC Equipment Mean Better Efficiency

Posted by Ohio Heating

Jun 12, 2019 2:47:23 PM

In HVAC, the concept of locating HVAC equipment on the roofs of typical non-residential buildings isn’t a new one.rooftop specialists-1

However, there has been progress in terms of rooftop unit (RTU) or dedicated outdoor air systems (DOAS) that has increased their usage in general performance and better, cheaper maintenance.

Technology seems to be making a true leap in terms of what kind of equipment that can now be installed on your roof.

New trends in rooftop HVAC equipment include tech advances in controls for modulating gas heat, modulating compressors and the modulation of hot gas reheat. New developments in the control area are making modulation much more cost efficient.

Advances in zone controllers and other building control systems, as well as, on-demand access to unit-specific details and remote monitoring are also major improvements.

The new technologies can deliver benefits throughout the full lifecycle of a building. Newer rooftop units provide maximized efficiencies during and after construction while maintaining low operational and maintenance costs while creating the comfortable and safe environments you need.

At Ohio Heating & Refrigeration, we specialize in rooftop heating and cooling units. All of our commercial rooftop units and systems, from 1½ tons through 162 tons, are designed to address today’s comfort demands, superior indoor air quality, expert installation and efficient energy consumption. Dedicated digital controls enable the use of building management systems that allow efficient operation and system monitoring.

  • High Efficiency Products
  • Single - and Multi-Stage Models Available
  • Expert Rooftop HVAC Installations
  • Dependable Maintenance

At Ohio Heating & Air Conditioning, we have customized solutions for both new and replacement installation of rooftop units that provide big savings on your initial purchase and the efficiency and reliability that give you maximum cost control in the long term

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What Does it Mean When Your AC Unit is Leaking Water?

Posted by Ohio Heating

May 28, 2019 11:43:21 AM

Is your central air conditioner leaking water? Did you know that your AC system can produce a lot of water in a day...as much as 20 gallons. We get many service requests at Ohio Heating & Air Conditioning for AC repairs due to leaking water caused by condensation. Leaks can occur if the condensate drain is blocked or clogged, the air filter is dirty, and or if there is a hole in the drain pan. 

The drain line of your air conditioner can fill with dust particles and bacteria. This can result in mold and mildew growing in the condensation drain. AC repair 2019Mold in the condensate drain system is especially dangerous.  A mold colony can disperse spores into the airflow in the supply ducts, and contaminate your entire home. People with allergies and other respiratory conditions are especially prone to suffer when this occurs.

Over time the drain will become blocked. The result is flooding of the overflow pan and possible water damage inside your home. During the colder months when your  air conditioning system is not in use, especially for non-heat pump systems that perform cooling only, condensate and accumulated dust and debris that rests in the drain trap can convert to a dried blockage.

To help prevent the buildup and blockage of the condensate drain line, there are a few various methods of cleaning an air conditioner drain line. The two most popular methods are pouring white vinegar or chlorine bleach in the drain line to clear clogs. We don't recommend you pour chlorine bleach into a drain line. The strong vapors can cause premature oxidation and degrade your pipes.

Residential condensate drain lines are most often constructed of PVC. Chlorine bleach can quickly eat away at the PVC as well as the glue and cement that joins the line to the fittings and the condensate pan. Pouring bleach into a condensate drain will flush the drain pipe and its contents to the outside of the home. This can damage plants, lawns and anything it drips or spills on.

If the blockage does not clear after flushing with vinegar, a wet-vac or air compressor can be used to help clear the clog. Be extra careful. Damage can occur to your system if not carried out properly. Should you damage the PVC pipe, it could lead to water damage.

Flushing your system with vinegar or using an air compressor cannot solve the problem for every homeowner.  Air conditioning systems are not all installed the same way. Often gaining access to the condensate line can be very difficult and an experienced technician is needed. 

Preventing condensate blockage depends on how well your system is cared for and how often you replace the filter. Regular service and HVAC maintenance is always recommended every six months for optimal performance and to extend the life of your equipment. If you need help, give us a call. We can help you maintain your cooling system.

Maintaining your cooling system will result in:

  • Increased Efficiency
  • Quieter Operation
  • Fewer Opportunities for Breakdowns
  • Greater Peace of Mind                                        

Ohio Heating & Air Conditioning can help you keep your system in optimal condition. Just give us a call to schedule AC maintenance check today!

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Topics: ac repair, hvac maintenance, condensate drain, AC maintenance

Do You Know What Size AC Unit to Buy?

Posted by Ohio Heating

May 20, 2019 9:19:00 AM

This is the time of year to get ready for the hot summer days ahead. You may have already tried your old air conditioning unit and found it woman confused_swasn't working at its peak performance. Depending on the age and the cost to repair an old air conditioning system, you may be thinking of an AC replacement. 

Do you know what size AC unit should you buy for your home?

Many people think that the bigger the unit the cooler your home will be. But if you buy an air conditioner that is too large, thinking it will provide better cooling, you could be wrong. Over sized equipment is actually less effective and wastes energy and money.

Air conditioners perform two jobs when they run. They remove both heat and humidity from the air. If the unit is too large, it will cool the room quickly, but only remove some of the humidity. This leaves the room with a damp, clammy feeling. A properly sized unit will remove humidity effectively as it cools.

When the air passes over the evaporator coil which is very cold, the temperature drops about 20 degrees. In Columbus and Central Ohio, where we have high relative humidity levels, the evaporator coil doesn't just cool the air but also acts as a dehumidifier. This happens when the air hits the coil and the temperature of the coil is below the dew point of the air.

This causes water vapor to condense on the coil. With a cooling unit that is too large, water vapor condenses on the coil but you don't get enough condensation on it for the water to start dripping down into the pan below the coil. If this happens the water isn't drained to the outside. Then your home has a damp clammy feeling.

A unit that is too big can also be more expensive to buy and to operate. An air conditioner that is too large will start and stop more often. This shortens the life span of the equipment.

When a cooling system is over sized, it starts up and shuts down a lot more because it runs for only a short time to meet the thermostat set point. All those starts and stops mean you'll probably be repairing it more often and replacing it sooner.

Buying the correct size equipment for your home will not only save you money on the initial purchase, but also on save you money on energy costs and equipment repairs. Deciding what size is right for your home can be difficult, but the experienced team at Ohio Heating & Air Conditioning can help you find the system that is perfect for your home.

When it comes to conditioning your home, Ohio Heating & Air Conditioning has the knowledge and resources to deliver comfort and safety in a home heating or air conditioning system. From small homes to large ones, we have become a trusted name in Columbus and Central Ohio.

With Bryant as our marque line of equipment, we are able to offer competitive prices on custom systems. Bryant has awarded us their highest certification as a Bryant factory authorized dealer.  Bryant_Factory_logo_crop-8

Whether a basic system or a high end, energy efficient system with zone control, we have an intelligent indoor climate solution for you and your budget.

Choose Ohio Heating & Air Conditioning for repair, maintenance, installation or replacement of your cooling system. We have the experience to meet all of your heating and cooling needs. 

We make it easy to afford a new air conditioner with our easy financing options. 

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*Subject to qualifying credit approval.Plan 3128. 84 payments. Beginning with 1st transaction, 12 month promo period with no payments required followed by 84 amortized payments based on the balance at the end of promo. Interest charged to account is waived if entire purchase balance is paid before the end of promo period. No prepayment penalty. APR stated in your loan agreement fixed for life of loan.

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Topics: Air Conditioners, Bryant Factory Authorized Dealer, A/C

Reasons Your AC Isn't Keeping You Cool

Posted by Ohio Heating

May 9, 2019 10:11:45 AM

The warm days are here and many of our customers are turning on their air conditioning units for the first time and finding that their equipment isn't lowering the temperature in their home. Here are a few reasons why your AC may not be cooling your home.  dog in front of fan

1.  The air filter is dirty. This is the most common problem. The air filter needs to be changed regularly. Dirty filters restrict the airflow to you AC and less airflow into your AC means less cool air makes it into your house.

2.  A dirty condenser.  The outside unit or condenser can get blocked with dirt, leaves, grass and other debris. If the condenser is blocked, it can’t get rid of the heat efficiently. This creates a major problem for your air conditioner. When it can’t get rid of the heat, it can’t cool your home.

3.  Your AC is low on refrigerant. If there’s not enough refrigerant in the unit, your home won’t be cooled well. Keep in mind, refrigerant is not “used up” like gas in a car.  It’s supposed to be recirculated throughout your AC system. If you need to add more, it means you have a leak. Fix the leak or expect to add more refrigerant soon and that can become costly. Refrigerant leaks need to be repaired by a professional AC repair technician.

4. Your ducts are leaking. The air ducts carry cooled air into your home. When they leak, your AC may be working just fine, but all the cooled air may be going to your attic, basement or crawl space instead of into your living space. 

Regular maintenance can help you identify many of these issues and resolve them before they become major problems. Maintaining your cooling system doesn't have to be expensive! An annual tune-up can extend the life of your equipment and help you avoid costly repairs. Just like taking the time to tune-up your car, regular preventative HVAC maintenance is the best way to save time and money.

If you need your AC repaired contact Ohio Heating & Air Conditioning. Our technicians are NATE certified and undergo 100 hours of company-paid training a year to guarantee they remain the best in our industry. You can rest assured that our service technicians will complete the job right.

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Topics: ac repair, AC maintenance, AC not cooling, AC leaking refrigerant, AC condenser

What Are the Signs You Need to Replace Your Old Air Conditioner?

Posted by Ohio Heating

Apr 25, 2019 7:49:00 AM

Wondering if it is time to replace your old air conditioner?
The hot days of summer are just around the corner, so now's the time to be thinking about how you'll keep your family cool during the months ahead.  AC repair 2019

Don't wait until a hot humid day when your house just won't cool off, and you find yourself calling a service technician to come and make more and more repairs on your old air conditioning system.

You might be asking yourself, at what point do you stop patching old equipment and start investing in a new system?  Will it financially help you or hurt you to purchase a new unit?

Here are some signs that your cooling system may need to be replaced.

!. Your heat pump or AC unit is more than 10 years old. Older models start to breakdown more often and soon repair bills will start to climb. If you notice you are calling the repairman more often, it may be time for a new unit.

2. It is excessively noisy. These units are specifically designed to run as quietly and as efficiently as possible. If your system is making more noise than normal, it may be time to call in an expert to do a system check. You might have a problem with loose or disconnected parts, or the motor could be going bad. 

3. It is leaking coolant. You really need to determine why your air conditioning system is losing coolant. A properly working system should never leak refrigerant. A common cause of leaking refrigerant is due to a leak in the evaporator coil or outdoor condenser coil. This can only be fixed by replacing the part. A coil replacement is one of the most significant AC condenser repairs. Not only is this a very expensive part, but some coils can also be hard to get, depending on the model.

4. Your energy bills are rising. As they age, the parts of your AC wear down and they become much less energy efficient. Consider replacing it with a unit that has earned the ENERGY STAR label. Installed correctly, these high-efficiency units can save up to 20%  on heating and cooling costs.

These are just a few of the warning signs that your cooling system probably needs to be replaced. Ultimately this question is best answered by a qualified contractor such as Ohio Heating & Air Conditioning

Our factory trained and Nate certified technicians can help you with any and all problems, questions, or concerns that you have about your air conditioning system. We can help you find the right equipment for your budget and your home. 

We work on all makes and models.  Call us for your AC repairs or replacement. 

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Topics: Air Conditioners, Air conditioner repair

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We hope you find the information useful.  If you have any questions, please contact us.

 

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