Top AC & Heating Experts for commercial express hvac Bel Air, MD. Call +1 410-879-9696. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you looking for home heating and cooling services that are centered on complete home comfort solutions? The professionals at Blue Dot Services sell, install, and also repair HVAC units of all makes and models. Contact us today!
Commercial
HVAC Service
Commercial heating and cooling maintenance and repairs are inevitable. At Blue Dot Services, we supply a comprehensive variety of heating and cooling solutions to meet each of your commercial HVAC installation, replacement, repair, and routine maintenance requirements.
Emergency
HVAC Service
Emergencies will and definitely do develop, when they do, rest assured that our experts will be there for you! Blue Dot Services is able to provide emergency assistance at any moment of the day or night. Never hesitate to get in touch with us the second an emergency occurs!
24 Hour Service
We deliver HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our various service options promises that your comfort demands are fulfilled within your time frame and also even your trickiest heating and air conditioner concerns will be resolved today. Your time is precious– and our experts will never keep you waiting!
25 YEARS EXPERIENCE
With over two decades of experience bringing our customer’s complete satisfaction, Blue Dot Services is a leading provider of HVAC services. Serving homes and businesses throughout , we perform regular servicing, repair work as well as new installations customized to your needs and budget demands.
Testimonials
Contact Us
Blue Dot Services
125 Industry Ln, Forest Hill, MD 21050, United States
Telephone
+1 410-879-9696
Hours
Open 24 hours
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More About Bel Air, MD
The town of Bel Air is the county seat of Harford County, Maryland, United States.[4] According to the 2010 United States Census the population of the town was 10,120.[5]
Bel Air’s identity has gone through several incarnations since 1780. Aquilla Scott, who had inherited land known as “Scott’s Improvement Enlarged,” planned the town on a portion that he called “Scott’s Old Fields.” Four years later, the town had expanded as local politicians, merchants, and innkeepers purchased lots from Scott, and the county commissioners decided to change its name to the more appealing “Belle Aire.” In his deeds, Scott dropped one letter, renaming the town, “Bell Aire.” Around 1798, court records dropped two more letters, and “Bel Air” was born.
Space pressure can be either positive or unfavorable with respect to outside the space. Positive pressure occurs when there is more air being supplied than exhausted, and is common to minimize the seepage of outside contaminants. Natural ventilation is a key element in lowering the spread of airborne illnesses such as tuberculosis, the acute rhinitis, influenza and meningitis.
Natural ventilation needs little maintenance and is inexpensive. An air conditioning system, or a standalone a/c unit, supplies cooling and humidity control for all or part of a structure. Air conditioned buildings often have sealed windows, since open windows would work against the system planned to keep continuous indoor air conditions.
The portion of return air made up of fresh air can normally be controlled by changing the opening of this vent. Common fresh air intake is about 10%. [] Cooling and refrigeration are provided through the removal of heat. Heat can be gotten rid of through radiation, convection, or conduction. Refrigeration conduction media such as water, air, ice, and chemicals are described as refrigerants.
It is imperative that the a/c horsepower is sufficient for the area being cooled. Underpowered cooling system will cause power wastage and inefficient usage. Sufficient horse power is needed for any air conditioning unit set up. The refrigeration cycle utilizes 4 vital elements to cool. The system refrigerant starts its cycle in a gaseous state.
From there it goes into a heat exchanger (often called a condensing coil or condenser) where it loses energy (heat) to the outdoors, cools, and condenses into its liquid stage. An (also called metering device) controls the refrigerant liquid to flow at the correct rate. The liquid refrigerant is gone back to another heat exchanger where it is permitted to vaporize, for this reason the heat exchanger is often called an evaporating coil or evaporator.
In the process, heat is absorbed from inside your home and moved outdoors, leading to cooling of the building. In variable climates, the system may consist of a reversing valve that changes from heating in winter to cooling in summer. By reversing the flow of refrigerant, the heatpump refrigeration cycle is changed from cooling to heating or vice versa.
Free cooling systems can have extremely high efficiencies, and are often integrated with seasonal thermal energy storage so that the cold of winter can be used for summertime a/c. Typical storage mediums are deep aquifers or a natural underground rock mass accessed through a cluster of small-diameter, heat-exchanger-equipped boreholes.
The heat pump is added-in because the storage acts as a heat sink when the system remains in cooling (rather than charging) mode, causing the temperature to slowly increase throughout the cooling season. Some systems consist of an “economizer mode”, which is in some cases called a “free-cooling mode”. When economizing, the control system will open (fully or partially) the outdoors air damper and close (fully or partially) the return air damper.
When the outdoors air is cooler than the required cool air, this will allow the need to be satisfied without utilizing the mechanical supply of cooling (normally chilled water or a direct expansion “DX” system), hence conserving energy. The control system can compare the temperature of the outside air vs.
In both cases, the outdoors air needs to be less energetic than the return air for the system to enter the economizer mode. Central, “all-air” air-conditioning systems (or bundle systems) with a combined outside condenser/evaporator system are frequently set up in North American residences, offices, and public buildings, however are challenging to retrofit (install in a building that was not developed to get it) due to the fact that of the bulky air ducts needed.
An alternative to packaged systems is making use of separate indoor and outside coils in split systems. Split systems are preferred and widely utilized worldwide except in North America. In North America, divided systems are frequently seen in residential applications, however they are gaining popularity in little industrial structures.
The advantages of ductless a/c systems include simple installation, no ductwork, higher zonal control, flexibility of control and peaceful operation. [] In area conditioning, the duct losses can represent 30% of energy usage. Using minisplit can lead to energy cost savings in space conditioning as there are no losses associated with ducting.
Indoor systems with directional vents install onto walls, suspended from ceilings, or fit into the ceiling. Other indoor systems mount inside the ceiling cavity, so that short lengths of duct deal with air from the indoor system to vents or diffusers around the spaces. Split systems are more effective and the footprint is normally smaller sized than the bundle systems.