Top AC & Heating Pros for top boiler White Marsh, MD. Call +1 410-879-9696. 24 Hour Calls. Guaranteed Services – Low Prices.
What We Do?
Residential
HVAC Service
Are you searching for residential heating and cooling services that are centered on complete home comfort solutions? The experts at Blue Dot Services sell, install, and repair HVAC units of all makes and models. Reach out to us today!
Commercial
HVAC Service
Commercial heating and cooling repairs are unavoidable. At Blue Dot Services, we supply an extensive range of heating and cooling services to meet all of your commercial HVAC installation, replacement, repair, and routine maintenance requirements.
Emergency
HVAC Service
Emergencies may and definitely do occur, and when they do, rest comfortably that our experts will be there for you! Blue Dot Services can provide emergency support at any moment of the day or night. Never hesitate to get in touch with us the moment an emergency happens!


24 Hour Service
We offer HVAC services 24 hours a day, 7 days a week, 365 days a year. One of our countless service options guarantees that your comfort needs are satisfied within your timespan and that even your trickiest heating or air conditioner issues will be solved today. Your time is valuable– and our team will never keep you waiting!

25 YEARS EXPERIENCE
With over two decades of experience bringing our customer’s total satisfaction, Blue Dot Services is a premier provider of HVAC services. Serving homes and businesses in , we perform routine maintenance, repair work and new installations tailored 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 White Marsh, MD
White Marsh is an unincorporated community and census-designated place in Baltimore County, Maryland, United States. The population was 9,513 at the 2010 census.[1]
In 1965, the largely undeveloped northeast corridor was identified by Baltimore County as the preferred site for intensive development. A town center was proposed to be located west of Belair Road at the planned intersection of White Marsh and Walther Boulevards.
Space pressure can be either positive or unfavorable with regard to outside the room. Positive pressure happens when there is more air being supplied than exhausted, and is typical to decrease the seepage of outdoors contaminants. Natural ventilation is an essential consider lowering the spread of airborne health problems such as tuberculosis, the typical cold, influenza and meningitis.
Natural ventilation needs little upkeep and is affordable. An a/c system, or a standalone a/c unit, provides cooling and humidity control for all or part of a building. Air conditioned structures typically have actually sealed windows, due to the fact that open windows would work against the system meant to keep consistent indoor air conditions.
The percentage of return air comprised of fresh air can typically be manipulated by changing the opening of this vent. Normal fresh air consumption has to do with 10%. [] A/c and refrigeration are offered through the elimination 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 necessary that the cooling horsepower suffices for the location being cooled. Underpowered air conditioning system will cause power wastage and inefficient usage. Adequate horsepower is required for any air conditioning unit installed. The refrigeration cycle uses 4 necessary aspects to cool. The system refrigerant starts its cycle in a gaseous state.
From there it enters a heat exchanger (sometimes 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 appropriate rate. The liquid refrigerant is returned to another heat exchanger where it is permitted to vaporize, for this reason the heat exchanger is typically called an evaporating coil or evaporator.
While doing so, heat is absorbed from inside your home and transferred outdoors, leading to cooling of the structure. In variable environments, the system may include a reversing valve that changes from heating in winter season to cooling in summer. By reversing the circulation of refrigerant, the heat pump refrigeration cycle is altered from cooling to heating or vice versa.
Free cooling systems can have really high effectiveness, and are in some cases integrated with seasonal thermal energy storage so that the cold of winter can be used for summer season a/c. Common 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 due to the fact that the storage functions as a heat sink when the system remains in cooling (as opposed to charging) mode, causing the temperature level 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 saving money, the control system will open (fully or partly) the outside air damper and close (completely or partially) the return air damper.
When the outside air is cooler than the required cool air, this will allow the need to be met without using the mechanical supply of cooling (usually chilled water or a direct expansion “DX” unit), therefore conserving energy. The control system can compare the temperature of the outdoors air vs.
In both cases, the outdoors air should be less energetic than the return air for the system to get in the economizer mode. Central, “all-air” air-conditioning systems (or package systems) with a combined outside condenser/evaporator unit are often installed in North American houses, workplaces, and public structures, but are hard to retrofit (set up in a building that was not developed to get it) due to the fact that of the large duct needed.

An alternative to packaged systems is the use of different indoor and outdoor coils in split systems. Split systems are chosen and widely used around the world other than in North America. In The United States and Canada, split systems are frequently seen in property applications, but they are gaining popularity in small industrial buildings.
The advantages of ductless a/c systems include easy setup, no ductwork, higher zonal control, versatility of control and peaceful operation. [] In area conditioning, the duct losses can represent 30% of energy usage. Making use of minisplit can lead to energy cost savings in area conditioning as there are no losses connected with ducting.
Indoor systems with directional vents install onto walls, suspended from ceilings, or suit the ceiling. Other indoor units mount inside the ceiling cavity, so that short lengths of duct deal with air from the indoor system to vents or diffusers around the rooms. Split systems are more effective and the footprint is normally smaller sized than the plan systems.
