"I was experiencing problems with one of my rooms not getting enough air flow, I was reached out to and they got a better feel for what my situation was and gave me the best honest opinion about what I should do, I really appreciate their professionalism in the manner and not just trying to gain my business. They really looked out for me as a customer, and I couldn’t be more grateful!" HVAC Repair
In variable climates, the system may include a reversing valve that switches from heating in winter to cooling in summer. By reversing the flow of refrigerant, the heat pump refrigeration cycle is changed from cooling to heating or vice versa. This allows a facility to be heated and cooled by a single piece of equipment by the same means, and with the same hardware. HVAC Service

"Loved this company. Received in home quotes from about 8 contractors both big and small and Mechanical Comfort Systems provided me with a solid comfort level that they had the knowledge and experience to recommend the right solution and get the job done right. Showed up as expected for quote appointment and on the scheduled install date at the stated time. Called ahead as promised. Great customer service from Brandy in the office. They do what they say they will do and they do it well. Very friendly and professional. Recommend." HVAC Service
HVAC professionals in the US can receive training through formal training institutions, where most earn associate degrees. Training for HVAC technicians includes classroom lectures and hands-on tasks, and can be followed by an apprenticeship wherein the recent graduate works alongside a professional HVAC technician for a temporary period.[citation needed] HVAC techs who have been trained can also be certified in areas such as air conditioning, heat pumps, gas heating, and commercial refrigeration.[32] HVAC
A dehumidifier is an air-conditioner-like device that controls the humidity of a room or building. It is often employed in basements which have a higher relative humidity because of their lower temperature (and propensity for damp floors and walls). In food retailing establishments, large open chiller cabinets are highly effective at dehumidifying the internal air. Conversely, a humidifier increases the humidity of a building. HVAC
The most recognized standards for HVAC design are based on ASHRAE data. The most general of four volumes of the ASHRAE Handbook is Fundamentals; it includes heating and cooling calculations. Each volume of the ASHRAE Handbook is updated every four years. The design professional must consult ASHRAE data for the standards of design and care as the typical building codes provide little to no information on HVAC design practices; codes such as the UMC and IMC do include much detail on installation requirements, however. Other useful reference materials include items from SMACNA, ACGIH, and technical trade journals. HVAC Service

Some Service Professionals are employees, franchisees, dealers, or independent contractors ("Corporate SP's") of larger national or corporate accounts ("Corporate Accounts"). In such event, you may be matched with the Corporate Account entity or with one of their Corporate SP's. The above screening criteria is not applicable to Corporate Accounts, and therefore, HomeAdvisor does not screen the Corporate Accounts or Corporate SP's. HVAC
"Very impressed. Returned call within 24 hours. They came out the same day I spoke with them and made the repair within 25 minutes. Very low service call fee. I had another repair service out two weeks earlier and after 3 service calls and the central air still not fixed and temperatures in the high 90's, it was such a relief to have a company identify the problem, have the necessary part with them and fix the problem." HVAC
Heaters are appliances whose purpose is to generate heat (i.e. warmth) for the building. This can be done via central heating. Such a system contains a boiler, furnace, or heat pump to heat water, steam, or air in a central location such as a furnace room in a home, or a mechanical room in a large building. The heat can be transferred by convection, conduction, or radiation. HVAC Repair

Texans experience a range of climates, depending on location. With arid conditions to the west and high humidity in the east, humidifiers and dehumidifiers are a must for Texas homes and businesses. Despite the perception that the state is home to high temperatures, both cooling and heating equipment are a necessity. Texas heating and cooling systems should be professionally maintained annually, with filters replaced approximately every three months – check the filter manufacturer’s recommendation for frequency and remember, during periods of heavy system use (such as during the sweltering Texas summer), it may be necessary to change the filter more frequently.
Texans experience a range of climates, depending on location. With arid conditions to the west and high humidity in the east, humidifiers and dehumidifiers are a must for Texas homes and businesses. Despite the perception that the state is home to high temperatures, both cooling and heating equipment are a necessity. Texas heating and cooling systems should be professionally maintained annually, with filters replaced approximately every three months – check the filter manufacturer’s recommendation for frequency and remember, during periods of heavy system use (such as during the sweltering Texas summer), it may be necessary to change the filter more frequently. HVAC Repair
"At Minuteman Heating & Air, we understand how important it is to have reliable air conditioning, especially during hot Texas summers. Our AC services include installation, maintenance and repair for all our valued residential & commercial customers. Our comprehensive experience with all types of air conditioning systems, combined with our dedication to serve the residents and business owners in the Fort Worth/Arlington area, has provided us with the distinct honor of being one of the most trusted providers of air conditioning repair in the area. When your HVAC unit isn't working properly, or you simply need your system serviced, Minuteman Heating & Air is here to help."
The nation’s 2nd largest state and home to ranging climate conditions, HVAC contractors in Texas know how to tackle shifting temperatures along with indoor air quality issues arising from humidity. HVAC contractors in San Antonio help home and business owners combat high temperatures and humidity, as do HVAC contractors in Houston and HVAC contractors in Austin, the state’s capital. Those living north have slightly milder temperatures, and HVAC contractors in Dallas provide customers with comfort systems effective for controlling the indoor climate no matter the weather! HVAC Replace
Central home air conditioner service systems consist of two major components: a condensing unit that sits outside your house, and the evaporator coil (often referred to as an A-coil) that sits in the plenum of your furnace or air handler. The refrigerant in the A-coil picks up the heat from your home and moves it to the outdoor condensing unit. The condensing unit fan blows outside air through the condensing coil to remove the heat. The condensing unit houses the three parts replaceable by a DIYer: the AC contactor, the start/run capacitor(s) and the condenser fan motor. The condensing unit also houses the compressor, but only a pro can replace that. The A-coil has no parts that can be serviced by a DIYer.
AC air handler buzzing sounds. Do you hear a buzzing sound when you turn on the thermostat? The only thing that comes on in the house when you turn on the thermostat is the fan relay and fan in the air handler or furnace. Try switching the thermostat HEAT/COOL switch to OFF. Then switch the fan switch from AUTO to ON. The fan (only) should come on. If the air handler makes a buzzing sound, it probably has a bad fan relay or, more likely, blower fan.
The nation’s 2nd largest state and home to ranging climate conditions, HVAC contractors in Texas know how to tackle shifting temperatures along with indoor air quality issues arising from humidity. HVAC contractors in San Antonio help home and business owners combat high temperatures and humidity, as do HVAC contractors in Houston and HVAC contractors in Austin, the state’s capital. Those living north have slightly milder temperatures, and HVAC contractors in Dallas provide customers with comfort systems effective for controlling the indoor climate no matter the weather! HVAC
If you hear clicking that is followed by a hum or buzz, you’re probably hearing the fan motor attempting to start without the boost it needs from the capacitor. You can almost always conclude that the capacitor has failed. Sometimes you can get the compressor fan spinning (clockwise) by pushing it with a thin stick or long screwdriver poked through the grille. But the chances are good that this might work for one cycle, but the capacitor will fail next time the AC goes on. It’s best to replace the capacitor. HVAC Repair
CIBSE publishes several guides to HVAC design relevant to the UK market, and also the Republic of Ireland, Australia, New Zealand and Hong Kong. These guides include various recommended design criteria and standards, some of which are cited within the UK building regulations, and therefore form a legislative requirement for major building services works. The main guides are: HVAC Repair
The most recognized standards for HVAC design are based on ASHRAE data. The most general of four volumes of the ASHRAE Handbook is Fundamentals; it includes heating and cooling calculations. Each volume of the ASHRAE Handbook is updated every four years. The design professional must consult ASHRAE data for the standards of design and care as the typical building codes provide little to no information on HVAC design practices; codes such as the UMC and IMC do include much detail on installation requirements, however. Other useful reference materials include items from SMACNA, ACGIH, and technical trade journals.
Bon Air Service has been serving the Grand Prairie and the DFW Metroplex since 1971. With over 44 years of experience in sales, service, repairs and replacement, you can rest easy knowing you are in capable hands. Bon Air Service has been recognized as a Dave Lennox Premier dealer for over ten years in a row. Bon Air Service has received the Dave Lennox Centennial Award and Circle of Excellence Award. HVAC Replace

Because an air conditioner moves heat between the indoor coil and the outdoor coil, both must be kept clean. This means that, in addition to replacing the air filter at the evaporator coil, it is also necessary to regularly clean the condenser coil. Failure to keep the condenser clean will eventually result in harm to the compressor, because the condenser coil is responsible for discharging both the indoor heat (as picked up by the evaporator) and the heat generated by the electric motor driving the compressor.
Natural ventilation is the ventilation of a building with outside air without using fans or other mechanical systems. It can be via operable windows, louvers, or trickle vents when spaces are small and the architecture permits. In more complex schemes, warm air is allowed to rise and flow out high building openings to the outside (stack effect), causing cool outside air to be drawn into low building openings. Natural ventilation schemes can use very little energy, but care must be taken to ensure comfort. In warm or humid climates, maintaining thermal comfort solely via natural ventilation might not be possible. Air conditioning systems are used, either as backups or supplements. Air-side economizers also use outside air to condition spaces, but do so using fans, ducts, dampers, and control systems to introduce and distribute cool outdoor air when appropriate. HVAC

In the case of heated water or steam, piping is used to transport the heat to the rooms. Most modern hot water boiler heating systems have a circulator, which is a pump, to move hot water through the distribution system (as opposed to older gravity-fed systems). The heat can be transferred to the surrounding air using radiators, hot water coils (hydro-air), or other heat exchangers. The radiators may be mounted on walls or installed within the floor to produce floor heat.
An AC contactor is a $25 mechanical relay that uses low-voltage power from the thermostat to switch 220-volt high-amperage current to the compressor and condenser fan. AC contactors can wear out and are at the top of the list of common air conditioning service failures. Even if your AC contactor is working, it pays to replace it every five years or so. Unscrew the old AC contactor before removing the wires. Then move the wires to the new unit (Photo 6).
The HVAC industry is a worldwide enterprise, with roles including operation and maintenance, system design and construction, equipment manufacturing and sales, and in education and research. The HVAC industry was historically regulated by the manufacturers of HVAC equipment, but regulating and standards organizations such as HARDI, ASHRAE, SMACNA, ACCA, Uniform Mechanical Code, International Mechanical Code, and AMCA have been established to support the industry and encourage high standards and achievement. HVAC Replace
Energy efficiency can be improved even more in central heating systems by introducing zoned heating. This allows a more granular application of heat, similar to non-central heating systems. Zones are controlled by multiple thermostats. In water heating systems the thermostats control zone valves, and in forced air systems they control zone dampers inside the vents which selectively block the flow of air. In this case, the control system is very critical to maintaining a proper temperature.
Natural ventilation is a key factor in reducing the spread of airborne illnesses such as tuberculosis, the common cold, influenza and meningitis. Opening doors, windows, and using ceiling fans are all ways to maximize natural ventilation and reduce the risk of airborne contagion. Natural ventilation requires little maintenance and is inexpensive.[19] HVAC
×