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Areas We Serve
Hoffmann Brothers
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Installation
The process of choosing the right air conditioning system that is the best fit for your home is a big decision. Hoffmann Brother’s has knowledgeable comfort advisors that will come out and discuss your options with you such as efficiency and indoor air quality needs. Our comfort advisors will also perform a full load calculation while at your home to determine the size of what your hvac system. Check out our Plan Your System tool we have to get you started on what type of cooling system would best fit in your home in St Louis. One of the biggest problems our service technicians come across when in homes, is that other companies are not installing properly sized systems, which in case doesn’t provide the adequate amount of heating or cooling that is necessary to make your family comfortable.
Air Conditioning Installation Procedure The most important day in the life of an Air Conditioner is the day it is installed. It is rare that a heating and cooling system is properly installed. Hot spots, cold spots, high utility cost and unreliable heating and air conditioning are most likely the result of a poor installation. A leading consumer magazine stopped rating heating and cooling manufacturers because they concluded that all manufacturers are all similar and the main factor that impacts reliability is the quality of the installation. To get the best installers in the St Louis area, have the technicians at Hoffmann Brothers Heating & Air Conditioning install your air conditioner in your home. Request a bid today for a new air conditioner installation. Air Conditioner Sizing For a Replacement Job Sizing is key to a properly installed air conditioning system. If an air conditioner is too small for the house, then the house doesn't get cool enough. If the AC is too big it does not dehumidify. The proper way to size your HVAC system is to have a professional run an ACCA manual J load calculation. Manual J calculates the heat loss and heat gain through every part of the house, windows, doors, walls, roof, and floors then adds them up to come up with the proper size heating and air conditioning system for your home. This type if calculation is the most accurate way to size a system for your home. Hoffmann Brother's Comfort Advisors perform this calculation before we install any type of hvac system in your home, to ensure that we install the right size air conditioner, furnace or heat pump. To request a bid with one of the Hoffmann Brother's Comfort advisors fill out the form on our site. New Home Air Conditioner and Duct Work Sizing Air conditioning systems are costly and it is important that it gets installed right the first time. The design and installation of the duct system can have a large impact on the efficiency of the Air Conditioning system and the comfort in the home. The room by room manual J calculation is a load calculation on each room. It tells you how many cubic feet of air per minute is required, CFM, in each room. Manual D calculates the size of ductwork needed to get the proper air flow. Balancing dampers are installed and air flow is measured and adjusted. The result is a comfortable, efficient system with no hot or cold spots. Very few heating and Air Conditioning Contractors can provide this high level of service but the engineers at Hoffmann Brothers are at your service to ensure a proper installation. To request a bid, contact Hoffmann Brothers to schedule a comfort advisor out to your home! Keeping your Air Conditioning System Quiet The most common cause of noise in your Air Conditioning system is high velocity. High velocity is caused by undersized ductwork. If the ducts are small, the air must travel fast. If the duct size is increased, the same volume of air travels slower and is quieter. Popping noises in your Air Conditioning system are caused by using thin metal with inadequate cross breaking. Small ducts should be at least 26 gage and larger ducts should be 24 gage. The engineers at Hoffmann Brothers Heating and Air Conditioning will ensure a proper installation, you can call us anytime day or night at (314) 664-3011. Refrigerant for an AC system The refrigerant piping can have a large impact on the life and efficiency of your Air Conditioning system. Did they use the proper joining method? Was all the air removed? Are the pipes properly sized? These are all important factors that determine the reliability and efficiency of your system. Freon lines can be joined using mechanical fitting, or brazing, or by Soldering. Brazing is the preferred method. Brazed joints are stronger than other joints and will hold up better to the high pressures and temperatures in the Air Conditioning system. Brazing requires expensive equipment and the brazing materials are more expensive. Watch out for contractors trying to save money and solder your air conditioning lines. After the brazing is complete the air conditioning system is full of air. All the air needs to be removed to maximize the life and efficiency of the AC system before the refrigerant is installed in the system. Two primary methods are used, vacuum pump and purging. Purging does not remove all the air. If air is left in the system it takes energy for the compressor to pump air but it does not perform any cooling. Your air conditioning system efficiency will reduce and operating cost will rise. Air also contains moisture and mixed with refrigerant causes an acid that eats the system from the inside. A vacuum pump combined with a micron gage is the best way to ensure all air is removed. The micron gage measurers the vacuum and when you reach 400 microns for 30 minutes you know all the air is gone. This also is a leak check. If you are able to pull the system to 400 microns you know the system is leak free. Vacuum pumps and micron Gage's are expensive. Many contractors choose not to invest the money for vacuum pumps or micron gages or only buy one and have the technicians share resulting in them not being used on every job. At Hoffmann Brothers Heating and Air Conditioning we have micron gages and vacuum pumps on every truck and use them on every job. To ensure that you get an air conditioner installed properly, call Hoffmann Brothers Heating & Air Conditioning at (314) 664-3011. Quality Air Conditioning Installations As you can see there is a big difference in a quality Air Conditioning system installation and a poor installation. Some of the downfalls of a poor air conditioner installation is excessive noise, reduced efficiencies, increased operating cost, and lower life. Most owners think that brand of equipment and efficiency are the only factors that matter when you make the decision to have a new air conditioner installed. Althought both of those factors are important, it is worth the extra money to pay for a quality Air Conditioning installation by a qualified contractor like Hoffmann Brothers Heating & Air Conditioning. To request a bid, contact Hoffmann Brothers Heating & Air Conditoining. Contact the Expert St. Louis, Missouri Heating & Air Conditioning Contractors at Hoffmann Brothers For over 40 years, Hoffmann Brothers has proudly installed and serviced all types of heating and cooling systems throughout the St. Louis, MO Metropolitan Area. We service and repair all brands of HVAC systems and install American Standard Heating & Air Conditioning. Please give us a call today at (314) 664-3011 or send us an email on our Contact Us page.
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