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Frequently Asked Questions

HVAC Repair & Installation Specials

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The SEER (seasonal energy efficiency ratio) measures the efficiency of your air conditioner or air-source heat pump. The SEER is the cooling output over a particular season divided by the total energy used in that same period. The higher the SEER, the greater the efficiency level of that cooling system.

Each split system cooling unit has a nominal SEER rating. For a higher rating your HVAC contractor can provide advice about an upgrade. The SEER rating of a system is based on the combination of equipment installed in the home. The outdoor equipment (heat pump or air conditioner), as well as the indoor equipment (evaporator coil and furnace, or air handler), play a vital role in the total rating.

Your heating and cooling systems work incredibly hard to perform their functions for your home every day. The constant stopping, starting, and continual operation can wear down any machine if the proper care and maintenance are delayed. However, by performing regular maintenance, you can maximize the lifecycle of your heating or cooling unit and guard against many common equipment failures. Preventive maintenance inspections performed on a regular basis can uncover leaks, rust, rot, soot, frayed wires, and corroded electrical contacts that the naked eye may not notice. You should have maintenance done on your system regularly to ensure maximum efficiency and prevent other problems from developing.

All heating and cooling equipment require annual professional tuneup. Inspections on boilers and furnaces should include ductwork, pipes, dampers, valves, the chimney, registers, radiators, pumps, blowers, fuel lines and the oil tank. Heat pump and air conditioning unit inspections should also include an examination of the fan, compressor, indoor coils, outdoor coils, and refrigerant lines.

The professionals at Coastal Heating & Air Conditioning Co are your troubleshooting experts, and we are glad to help you with any problem you may experience with your HVAC system. We provide informative blogs and articles on our website that address many common HVAC concerns. You may also call our office during normal business hours for more information. If you experience an HVAC crisis after hours, you can contact one of our on-call technicians for 24-7 emergency service.
Programmable thermostats are more accurate and efficient than thermostats that contain mercury. With a programmable thermostat, you can program settings in advance so that you can control the temperature at different times of the day. You will never have to worry about remembering to adjust the settings manually. By scheduling your programmable thermostat to a higher or lower temperature based on your weekday work hours, you can save money on energy bills without sacrificing comfort. A Coastal Heating & Air Conditioning Co technician will gladly walk you through how to use your programmable thermostat.

The filter shipped with your Carrier unit is made from higher-quality materials than those of the disposable filters found in retail stores. For that reason, replacement Carrier filters can only be purchased through a Carrier dealer. However, keep in mind that some Carrier filters are reusable, and can be washed by hand in cold water.

As a Carrier dealer, Coastal Heating & Air Conditioning Co., Inc. is the best resource for identifying and supplying the correct, current parts for your system.

Many factors affect the sizing and specifications of your system, including square footage, insulation, window surface and configuration, geographic location of your home, and duct sizing and arrangement. Coastal Heating & Air Conditioning Co., Inc. can perform an in-home load analysis to determine which equipment combinations will perfectly suit your home and your family’s needs. Depending upon the construction of your home, one (1) ton of air conditioning can cool anywhere from 300 to 800 square feet of home. The only way to ensure the size of the system you purchase will be large enough to cool your home, but not any larger than you need, is to have your home’s individual heating and cooling needs evaluated by a licensed professional.

Under the standard factory warranty, Carrier covers parts that fail during the warranty period due to defects in the parts. The warranty does not cover labor. A warranty certificate was included with your homeowner information packet and is specific to the model numbers, serial numbers, and installation dates of your products. If you cannot find your warranty certificate, Coastal Heating & Air Conditioning Co., Inc. will also be able to provide you with the information.

Dependable Carrier products are among the longest lasting heating and cooling products available. For your specific equipment, many variables affect life expectancy, including, of course, the regularity of routine maintenance.

We Proudly Serve the Following Areas

Annapolis, MD

Anne Arundel Co, MD

Howard Co, MD

Prince George Co, MD

Queen Anne Co, MD

We Proudly Serve the Following Areas

Annapolis, MD

Anne Arundel Co, MD

Howard Co, MD

Prince George Co, MD

Queen Anne Co, MD

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