Denver HVAC Repair

We offer 24-hour emergency service, with no overtime charges. Our fully stocked trucks with thousands of specialty parts and materials on board are ready to serve you and fix your heating or air conditioner problem on the first call. And when your family's health, safety, and comfort are involved, that means peace of mind. Quality service is important to our clients, and our goal is to ensure that your needs are met when heating or air conditioning issues that arise.
6) Check your ductwork and seal open spaces. Make sure all your doors and windows are properly sealed to help keep your home cool. Perform a visual inspection of your ductwork occasionally to be sure it is sealed correctly. If ductwork is not properly sealed, cool air will escape before getting into your home. The less cool air that escapes your home, the less your unit will have to work.
Our heating and cooling maintenance plans include: 2 preventative maintenance visits per year (1 heating, 1 cooling), priority service, 15% off repairs, including parts, labor and refrigerant, 20% off diagnostic fees, no overtime charges on emergency service, and a 1-year guarantee on all repairs and modifications, an upgrade over the standard 90-day warranty. Sign up today and have one less thing to worry about in your home!
1/18/2014 Hi Jody M-  First, as you pointed out, we were the "Only" company to answer your phone call on the… Hi Jody M-  First, as you pointed out, we were the "Only" company to answer your phone call on the weekend & provide service for you on the same day. There is a premium for most any service company to come out afterhours or weekends, and being we are one of the very few companies to offer this service, a higher labor rate is understandable, after all, we have to pay our service persons an overtime rate for such calls.          

Portland, OR ServicesThe Sash Man Window Repair. Window Replacement & Installation Company - Portland, ORPest Control Contractors Portland, ORPortland, OR Best Foundation RepairPortland, OR Remodeling ContractorAppliance & Refrigeration HospitalPortland, OR Roofing ContractorFurniture Builders Portland, ORNatural Woodcrafters IncPortland, OR HandymanPortland, OR Painter
I needed a replacement for my heater. I called Bill Howe and they promptly fitted me into their schedule. The person who arrived, Laurence C. thoroughly tested my furnace and pointed out the problem. I decided to replace it. They arrived on the day to install it. The two men, Jose Gomez and Javier Diaz promptly went to work. They were clean, efficient and respectful of my home. I would gladly recommend Bill Howe for your heating and plumbing needs. They were great!!​
Need 24-hour emergency furnace repair? We can provide that too. With our same-day service and live phone and online chat service available 24/7, we make your comfort our greatest priority. Heating and air conditioning should help you live a comfortable life, so let us help you make your home the most comfortable it has ever been. It’s easy, just grab your furnace repair coupon, then simply give us a call at 301-747-3140, chat or schedule an appointment with us online.
Eventually, every homeowner experiences a malfunction in their heating unit. It’s a cold morning and you hike the thermostat up like you usually do to take the chill off, but you get no response. You don’t hear the system firing up or feel the radiators or air vents producing any heat. You hope it’s just a quick fix, like a clogged filter or a tripped circuit breaker. On the other hand, you might be wondering if it’s more cost-effective to just have the unit replaced.
Air conditioning (often referred to as AC, A/C, or air con)[1] is the process of removing heat and moisture from the interior of an occupied space, to improve the comfort of occupants. Air conditioning can be used in both domestic and commercial environments. This process is most commonly used to achieve a more comfortable interior environment, typically for humans and animals; however, air conditioning is also used to cool/dehumidify rooms filled with heat-producing electronic devices, such as computer servers, power amplifiers, and even to display and store some delicate products, such as artwork.
When we’re in a customer’s home, we’re always on the lookout for things we can do to help them out and put a smile on their face. It could be as simple as changing a lightbulb or as involved as cleaning gutters, listing a car for sale online, or repairing a broken gate. There’s no limit to what we might do, and of course, there’s never any charge to help out. It’s good deeds for FREE!
The most common signs that the air conditioning unit may soon break down include loud or strange noises coming from the unit or warmer than normal air being released. In addition, if your unit smells bad, is frosty or water is leaking, chances are, you’re in need of repair. When the air conditioning unit displays these symptoms, contact a local HVAC pro. Just like a low tank of gas, it’s better to gas now versus running out in the middle of a 95-degree July afternoon.
Modern air conditioning systems are not designed to draw air into the room from the outside, they only recirculate the increasingly cool air on the inside. Because this inside air always has some amount of moisture suspended in it, the cooling portion of the process always causes ambient warm water vapor to condense on the cooling coils and to drip from them down onto a catch tray at the bottom of the unit from which it must then be routed outside, usually through a drain hole. As this moisture has no dissolved minerals in it, it will not cause mineral buildup on the coils. This will happen even if the ambient humidity level is low. If ice begins to form on the evaporative fins, it will reduce circulation efficiency and cause the development of more ice, etc. A clean and strong circulatory fan can help prevent this, as will raising the target cool temperature of the unit's thermostat to a point that the compressor is allowed to turn off occasionally. A failing thermistor may also cause this problem. Refrigerators without a defrost cycle may have this same issue. Dust can also cause the fins to begin blocking air flow with the same undesirable result: ice.

If you’re concerned about dust, allergens or mold, it may be time to have your air ducts cleaned. The national average cost for air duct cleaning ranges from $190 to $250. Air duct cleaning costs will vary based on a number of factors such as your location in the country, the age and condition of your air ducts, the number of linear feet to be cleaned, and any repairs your ducts may need. HVAC cleaning companies should clearly outline what is included in their services and at what rate, so always make sure you understand and have a written agreement before work begins. Here are some examples of average air duct cleaning costs:

Air conditioning can also be provided by a process called free cooling which uses pumps to circulate a coolant (typically water or a glycol mix) from a cold source, which in turn acts as a heat sink for the energy that is removed from the cooled space. Common storage media are deep aquifers or a natural underground rock mass accessed via a cluster of small-diameter boreholes, equipped with heat exchanger. Some systems with small storage capacity are hybrid systems, using free cooling early in the cooling season, and later employing a heat pump to chill the circulation coming from the storage. The heat pump is added because the temperature of the storage gradually increases during the cooling season, thereby declining its effectiveness.
It doesn’t matter the time, our experts will have your home back to being comfortable in no time. We stand by our workmanship so much so that we guarantee it in writing for a full year. Our 100% Satisfaction Guarantee* firmly demonstrates our commitment to providing the best heating system service in the industry. Repairing, selling and installing heating systems is something we do every day. More people trust us with their home comfort, so you know your home will be back to being warm and cozy quickly.

Pay by Experience for an HVAC Service Technician has a positive trend. An entry-level HVAC Service Technician with less than 5 years of experience can expect to earn an average total compensation of $38,000 based on 2,151 salaries provided by anonymous users. Average total compensation includes tips, bonus, and overtime pay. An HVAC Service Technician with mid-career experience which includes employees with 5 to 10 years of experience can expect to earn an average total compensation of $47,000 based on 1,397 salaries. An experienced HVAC Service Technician which includes employees with 10 to 20 years of experience can expect to earn an average total compensation of $53,000 based on 1,643 salaries. An HVAC Service Technician with late-career experience which includes employees with greater than 20 years of experience can expect to earn an average total compensation of $59,000 based on 1,021 salaries.


Air-source heat pumps are more popular in milder winter climates where the temperature is frequently in the range of 4–13 °C (40–55 °F), because heat pumps become inefficient in more extreme cold. This is because ice forms on the outdoor unit's heat exchanger coil, which blocks air flow over the coil. To compensate for this, the heat pump system must temporarily switch back into the regular air conditioning mode to switch the outdoor evaporator coil back to being the condenser coil, so that it can heat up and defrost. A heat pump system will therefore have a form of electric resistance heating in the indoor air path that is activated only in this mode in order to compensate for the temporary indoor air cooling, which would otherwise be uncomfortable in the winter.
“We had a great experience with Robinson’s! The office staff, then the gentleman who helped me with questions over the phone and Kyle, our service tech, were all great and very easy to work with. They gave me a time frame for when to expect Kyle the same day. A phone call to let me know he was on his way. A text with picture so I knew who to be expecting. Kyle arrived on time and was very knowledgeable and friendly. He did a great job. You could tell he liked his job. Prices were reasonable. We will be using and recommending Robinson’s Air – Wichita Falls in the future.”
A specialized air conditioner that is used only for dehumidifying is called a dehumidifier. It also uses a refrigeration cycle, but differs from a standard air conditioner in that both the evaporator and the condenser are placed in the same air path. A standard air conditioner transfers heat energy out of the room because its condenser coil releases heat outside. However, since all components of the dehumidifier are in the same room, no heat energy is removed. Instead, the electric power consumed by the dehumidifier remains in the room as heat, so the room is actually heated, just as by an electric heater that draws the same amount of power.

Absorption refrigerator Air barrier Air conditioning Antifreeze Automobile air conditioning Autonomous building Building insulation materials Central heating Central solar heating Chilled beam Chilled water Constant air volume (CAV) Coolant Dedicated outdoor air system (DOAS) Deep water source cooling Demand-controlled ventilation (DCV) Displacement ventilation District cooling District heating Electric heating Energy recovery ventilation (ERV) Firestop Forced-air Forced-air gas Free cooling Heat recovery ventilation (HRV) Hybrid heat Hydronics HVAC Ice storage air conditioning Kitchen ventilation Mixed-mode ventilation Microgeneration Natural ventilation Passive cooling Passive house Radiant heating and cooling system Radiant cooling Radiant heating Radon mitigation Refrigeration Renewable heat Room air distribution Solar air heat Solar combisystem Solar cooling Solar heating Thermal insulation Underfloor air distribution Underfloor heating Vapor barrier Vapor-compression refrigeration (VCRS) Variable air volume (VAV) Variable refrigerant flow (VRF) Ventilation

Even if your air conditioning unit is still working, depending on the type of system in your home today, you could recoup your investment in a new system in as little as three years. However, that doesn't mean that your system needs to be replaced. Furnaces, air conditioners, and other heating and cooling systems have made tremendous gains in efficiency over the past five years, so if you have an older unit, it is worth taking a look at whether or not a repair is the best investment.
With chilly weather on its way back to Boise, furnace and heating repair may not be the first thing you think about, but maybe it should be. Sure, it’s easy for us to sit here and tell you to schedule annual furnace service, but it’s only because we want to help you avoid a heating breakdown during the coldest day of the year in Boise. Day or night, our HVAC professionals are here to make sure you have a comfortable home, and can help get your furnace back working in no time.
Air conditioner inverter Air door Air filter Air handler Air ionizer Air-mixing plenum Air purifier Air source heat pumps Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Chiller Condensate pump Condenser Condensing boiler Convection heater Cooling tower Damper Dehumidifier Duct Economizer Electrostatic precipitator Evaporative cooler Evaporator Exhaust hood Expansion tank Fan coil unit Fan heater Fire damper Fireplace Fireplace insert Freeze stat Flue Freon Fume hood Furnace Furnace room Gas compressor Gas heater Gasoline heater Geothermal heat pump Grease duct Grille Ground-coupled heat exchanger Heat exchanger Heat pipe Heat pump Heating film Heating system High efficiency glandless circulating pump High-efficiency particulate air (HEPA) High pressure cut off switch Humidifier Infrared heater Inverter compressor Kerosene heater Louver Mechanical fan Mechanical room Oil heater Packaged terminal air conditioner Plenum space Pressurisation ductwork Process duct work Radiator Radiator reflector Recuperator Refrigerant Register Reversing valve Run-around coil Scroll compressor Solar chimney Solar-assisted heat pump Space heater Smoke exhaust ductwork Thermal expansion valve Thermal wheel Thermosiphon Thermostatic radiator valve Trickle vent Trombe wall Turning vanes Ultra-low particulate air (ULPA) Whole-house fan Windcatcher Wood-burning stove
The quality of the air you breathe affects your comfort, health, and productivity.  Whether at home or in the workplace, an ample supply of fresh, clean air is essential to everyday life.  Whatever concerns you may face, Edwards Heating & Air provides proven, cost-effective products to significantly improve Indoor Air Quality.  Our NATE-certified specialists are qualified to analyze your residential or commercial space, make informed recommendations, and implement a strategy specifically targeted at your unique circumstances.  As a Carrier Factory Authorized Dealer, we are extensively trained in leading-edge products that silently and effectively eliminate harmful bacteria, fumes, chemicals, viruses, smoke, and much more.  The installation of a humidifier, ventilator, air filter, or UV lamp will protect the health of your indoor breathing air, maintain a cleaner, more comfortable home, and even reduce energy costs.  Contact the specialists from Edwards Heating & Air for trusted solutions and complete peace of mind.  
Air conditioner inverter Air door Air filter Air handler Air ionizer Air-mixing plenum Air purifier Air source heat pumps Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Chiller Condensate pump Condenser Condensing boiler Convection heater Cooling tower Damper Dehumidifier Duct Economizer Electrostatic precipitator Evaporative cooler Evaporator Exhaust hood Expansion tank Fan coil unit Fan heater Fire damper Fireplace Fireplace insert Freeze stat Flue Freon Fume hood Furnace Furnace room Gas compressor Gas heater Gasoline heater Geothermal heat pump Grease duct Grille Ground-coupled heat exchanger Heat exchanger Heat pipe Heat pump Heating film Heating system High efficiency glandless circulating pump High-efficiency particulate air (HEPA) High pressure cut off switch Humidifier Infrared heater Inverter compressor Kerosene heater Louver Mechanical fan Mechanical room Oil heater Packaged terminal air conditioner Plenum space Pressurisation ductwork Process duct work Radiator Radiator reflector Recuperator Refrigerant Register Reversing valve Run-around coil Scroll compressor Solar chimney Solar-assisted heat pump Space heater Smoke exhaust ductwork Thermal expansion valve Thermal wheel Thermosiphon Thermostatic radiator valve Trickle vent Trombe wall Turning vanes Ultra-low particulate air (ULPA) Whole-house fan Windcatcher Wood-burning stove

In addition, if water is condensed in the room, the amount of heat previously needed to evaporate that water also is re-released in the room (the latent heat of vaporization). The dehumidification process is the inverse of adding water to the room with an evaporative cooler, and instead releases heat. Therefore, an in-room dehumidifier always will warm the room and reduce the relative humidity indirectly, as well as reducing the humidity directly by condensing and removing water.

The heat pump gained popularity in the 1950s in Japan and the United States.[13] Heat pumps can extract heat from various sources, such as environmental air, exhaust air from a building, or from the ground. Initially, heat pump HVAC systems were only used in moderate climates, but with improvements in low temperature operation and reduced loads due to more efficient homes, they are increasing in popularity in cooler climates.
Turning to a source you know and trust is a solution many can rely on. Online review sites can be full of negative or glowing experiences – you don’t know who’s telling the truth on Yelp, you don’t know who they are! Your neighbor, coworker, or family member is someone you’ve built a relationship with. You trust their opinions on many subjects – local air conditioner repair is no different.”

How often you should clean your air ducts depends on your situation. If you or someone in the home has asthma or is acutely allergic to certain airborne materials or pollen, regular duct cleaning may be helpful. The Environmental Protection Agency doesn’t have an official position on the necessity of air duct cleaning unless the ducts have been contaminated by rodents, insects or mold, or you are aware of particles blowing out through the vents. The EPA recommends you have your air ducts cleaned on an as-needed basis. The National Air Duct Cleaners Association (NADCA) suggests having air ducts cleaned every three to five years.

Each spring and fall before you start using your air conditioner, furnace, or other heating and cooling systems, you should get a tune-up to ensure your HVAC system is ready for the season. By spending a little twice a year, you can save a lot in energy bills by keeping your system operating at peak efficiency. You also can avoid costly repairs by identifying and fixing minor problems before they turn into big ones. Plus, many homeowners don't realize that their manufacturer's warranties may be considered invalid if they aren't getting their unit serviced twice a year.
Air conditioner inverter Air door Air filter Air handler Air ionizer Air-mixing plenum Air purifier Air source heat pumps Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Chiller Condensate pump Condenser Condensing boiler Convection heater Cooling tower Damper Dehumidifier Duct Economizer Electrostatic precipitator Evaporative cooler Evaporator Exhaust hood Expansion tank Fan coil unit Fan heater Fire damper Fireplace Fireplace insert Freeze stat Flue Freon Fume hood Furnace Furnace room Gas compressor Gas heater Gasoline heater Geothermal heat pump Grease duct Grille Ground-coupled heat exchanger Heat exchanger Heat pipe Heat pump Heating film Heating system High efficiency glandless circulating pump High-efficiency particulate air (HEPA) High pressure cut off switch Humidifier Infrared heater Inverter compressor Kerosene heater Louver Mechanical fan Mechanical room Oil heater Packaged terminal air conditioner Plenum space Pressurisation ductwork Process duct work Radiator Radiator reflector Recuperator Refrigerant Register Reversing valve Run-around coil Scroll compressor Solar chimney Solar-assisted heat pump Space heater Smoke exhaust ductwork Thermal expansion valve Thermal wheel Thermosiphon Thermostatic radiator valve Trickle vent Trombe wall Turning vanes Ultra-low particulate air (ULPA) Whole-house fan Windcatcher Wood-burning stove

Fast forward 1 year and 1 week and the circuit board that HVAC Service had installed has failed again. They came out and said that it failed from water condensation dripping onto it, so we needed to replace it and reroute the pipes to prevent future water damage.  That would cost double what I paid last year.  Why didn't they fix the problem last year at the initial repair instead of putting in a circuit board that was bound to fail again?!? They were strongly recommending that the furnace be completely replace for a huge fee to avoid the same thing happening again.  I paid $59 for them to tell me they didn't fix it right last year. This didn't feel right, so I sought a second opinion.

For details about apprenticeships or other work opportunities, contact the offices of the state employment service, the state apprenticeship agency, local contractors, or local union–management HVACR apprenticeship committees. Apprenticeship information is available from the U.S. Department of Labor’s Apprenticeship program online or by phone at 877-872-5627.
Air conditioner inverter Air door Air filter Air handler Air ionizer Air-mixing plenum Air purifier Air source heat pumps Automatic balancing valve Back boiler Barrier pipe Blast damper Boiler Centrifugal fan Chiller Condensate pump Condenser Condensing boiler Convection heater Cooling tower Damper Dehumidifier Duct Economizer Electrostatic precipitator Evaporative cooler Evaporator Exhaust hood Expansion tank Fan coil unit Fan heater Fire damper Fireplace Fireplace insert Freeze stat Flue Freon Fume hood Furnace Furnace room Gas compressor Gas heater Gasoline heater Geothermal heat pump Grease duct Grille Ground-coupled heat exchanger Heat exchanger Heat pipe Heat pump Heating film Heating system High efficiency glandless circulating pump High-efficiency particulate air (HEPA) High pressure cut off switch Humidifier Infrared heater Inverter compressor Kerosene heater Louver Mechanical fan Mechanical room Oil heater Packaged terminal air conditioner Plenum space Pressurisation ductwork Process duct work Radiator Radiator reflector Recuperator Refrigerant Register Reversing valve Run-around coil Scroll compressor Solar chimney Solar-assisted heat pump Space heater Smoke exhaust ductwork Thermal expansion valve Thermal wheel Thermosiphon Thermostatic radiator valve Trickle vent Trombe wall Turning vanes Ultra-low particulate air (ULPA) Whole-house fan Windcatcher Wood-burning stove
All graduates keep access to their accounts on the Ashworth EDGE, an online toolkit that provides step-by-step guidance through resume templates, cover letters, thank you letters, and more. As a student, you will interact with the Ashworth EDGE throughout your lessons to make you comfortable with the tools and prepare you to make a good impression on potential employers once you've graduated!

Need a residential electrician in southern NH? The LeBlanc electrical team has the skilled electricians needed to resolve all of your residential and light commercial electrical needs. It's your style and your budget. We answer questions, provide estimates and install everything from lighting fixtures to whole house generators. Let us be your electrical liaison.


Check your filter every month, especially during heavy use months (winter and summer). If the filter looks dirty after a month, change it. At a minimum, change the filter every 3 months. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool — wasting energy. A clean filter will also prevent dust and dirt from building up in the system — leading to expensive maintenance and/or early system failure.
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.
James Heating & A/C, Inc offers furnace service appointments that help keep your furnace in tip-top shape and operating efficiently for you all winter long. Whether that’s finding small issues before they become big problems, identifying potential safety hazards or making sure you’re maintaining your manufacturer’s warranty, our experts have you covered. Our trained technicians complete furnace service with care, inspecting a number of components in and around your furnace. In fact, our multi-point inspection can help make sure your system runs smoothly throughout the winter.
In order to get the most out of your equipment, we highly recommend proper preventative HVAC maintenance. You’ll want to make sure from the outset that you have access to skilled and knowledgeable technicians who have been factory-trained to service your particular model, since different systems require different highly specific modifications. It’s advisable to find a reputable HVAC dealer in the Atlanta area that guarantees their work and offers annual service contracts to their customers to ensure necessary seasonal maintenance is always being performed regularly. Many times, timely adjustments and filter changes that are done on a regular basis can wind up saving you from breakdowns that always seem to occur right when you need your system the most.
Brubaker Inc. is a registered Pennsylvania home improvement contractor (license #4191) and holds property and workers’ compensation insurance at levels appropriate not merely for residential work, but also for commercial and industrial projects. Brubaker Inc. is a member of the Lancaster County Code Association, the ABC Keystone Chapter, and The Lancaster Chamber of Commerce & Industry. This means you can trust that we are committed to providing the highest level of service to our community.
We are service professionals! As licensed contractors and specialists in the field of heating and air conditioning, we have the tools, the equipment, and the experience to keep your equipment running smoothly all year long. If it is emergency service that you need, we are available to assist you! To help reduce service emergencies, we offer service agreements to keep your comfort system running at peak performance.
In 1995, Germany made CFC refrigerators illegal.[22] DuPont and other companies blocked the refrigerant in the U.S. with the U.S. EPA, disparaging the approach as "that German technology".[21][23] Nevertheless, in 2004, Greenpeace worked with multinational corporations like Coca-Cola and Unilever, and later Pepsico and others, to create a corporate coalition called Refrigerants Naturally!.[22][24] Then, four years later, Ben & Jerry's of Unilever and General Electric began to take steps to support production and use in the U.S.[25] In 2011 the EPA decided in favor of the ozone- and climate-safe refrigerant for U.S. manufacture.[17][26][27]
I called HVAC on a Saturday morning to come and look at the A/C. The woman answering the phone told… I called HVAC on a Saturday morning to come and look at the A/C. The woman answering the phone told me that she would call the technician and call me back with a service window of when he would be there.  Hours later, she still hadn't called back. When I called back to follow up, the new lady answering the phone told me the original woman had given me miss information. They were a call center and could only text the technician (who of course was supposed to be hadn't called me back)! She texted him again and when he finally called back, he told me I'd have to make an appointment for Tuesday! What's the point of after-hours emergency A/C service if I have to wait until three days later and have them come during normal business hours?! Unbelievably poor service! Read more
They were quick to come out and diagnose the problem with my furnace, but I thought the estimate of $549 a bit high to replace the circuit board.  So called around and found Leo's Appliance in Concord that sells appliance parts and the circuit board was only $90.49 - that is the retail cost to me, so I imagine the wholesale cost is a lot less.  So BEWARE of this company since they wanted $500!!! to replace the circuit board which is located right in the front of the furnace - extremely easy to access.  I hate it that you cannot trust repair companies.

In order to get the most out of your equipment, we highly recommend proper preventative HVAC maintenance. You’ll want to make sure from the outset that you have access to skilled and knowledgeable technicians who have been factory-trained to service your particular model, since different systems require different highly specific modifications. It’s advisable to find a reputable HVAC dealer in the Atlanta area that guarantees their work and offers annual service contracts to their customers to ensure necessary seasonal maintenance is always being performed regularly. Many times, timely adjustments and filter changes that are done on a regular basis can wind up saving you from breakdowns that always seem to occur right when you need your system the most.
Dehumidification (air drying) in an air conditioning system is provided by the evaporator. Since the evaporator operates at a temperature below the dew point, moisture in the air condenses on the evaporator coil tubes. This moisture is collected at the bottom of the evaporator in a pan and removed by piping to a central drain or onto the ground outside.
When your heating and cooling system stops working, you need the help of a reliable, experienced, local service professional that can diagnose the problem and repair your air conditioner or furnace at a fair price. You can count on The Home Depot's licensed and insured heating and cooling professionals for all your heaters, air conditioning units, and any ventilation needs.

A 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 contactor is working, it pays to replace it every five years or so. Unscrew the old contactor before removing the wires. Then move the wires to the new unit (photo 6).

×