Denver HVAC Repair

Need 24-hour emergency furnace repair? We can take care of that too. With our same-day service and live phone and online chat service available 24/7, we make your comfort our highest 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 678-235-9699, chat or schedule an appointment with us online.
Though Harrison had commercial success establishing a second ice company back in Sydney in 1860, he later entered the debate over how to compete against the American advantage of ice-refrigerated beef sales to the United Kingdom. He wrote: "Fresh meat frozen and packed as if for a voyage, so that the refrigerating process may be continued for any required period", and in 1873 prepared the sailing ship Norfolk for an experimental beef shipment to the United Kingdom. His choice of a cold room system instead of installing a refrigeration system upon the ship itself proved disastrous when the ice was consumed faster than expected.[citation needed]
Compare replacement and repair costs: A new boiler or furnace is a substantial investment, but repair costs can also become costly as well. Not to mention, there’s always the possibility of the same issue occurring again or the need for more work in the future. You may want to replace your heating system if the repairs exceed half of the replacement costs.
At Miller's Air Conditioning & Heating we take pride in being a high-quality HVAC Company serving the Tri-Valley area. We have been Livermore’s #1 choice for HVAC repair and service since 1960, so you can trust that we know how to get the job done right the first time. We’re a family-owned business that puts each of our customers needs ahead of our own, so if you need comprehensive furnace; air conditioning, or general HVAC services, give us a call at (925) 583-6387 today and we’ll take care of the job!
Looking to cut down your home heating and cooling costs? Trane TruComfort™ Variable speed systems do just that. Trane TruComfort™ runs at the speed necessary to keep your home continuously comfortable – automatically adjusting up and down within one-half degree of your setting and constantly circulating air. The result? Running at up to 21 SEER (Seasonal Energy Efficiency Ratio) – which means affordable residential heating and air for you.
As your trusted HVAC service experts since 1960, Miller's Air Conditioning & Heating was established before Livermore became an official city.  We have a long-term commitment to the local community and have built solid relationships across generations of families.  Family owned and operated, we recognize the importance of an HVAC provider you can always depend on to serve your best interests.  At Miller's Air Conditioning & Heating we uphold exacting standards of quality, from the products we recommend and install, to the integrity of workmanship.  By refusing to settle, we provide a greater return from all of our services, including new system installation, replacement, seasonal maintenance, and repair of air conditioners, heat pumps, furnaces, ductless units, and attic fans.  Whether you’re a first-time homeowner or dissatisfied with the contractors you’ve tried in the past, we’ll make sure Miller's Air Conditioning & Heating satisfies your every expectation.

Imagine that you’re taking your time at breakfast, watching the morning news, when you hear a clunk coming from your furnace room, and the furnace breaks. Do you know who can come out to service the furnace in Tucker? Our NATE-certified team can service any model of furnace or boiler, and they have earned the most important training and certification in the industry. While you can never truly prevent your furnace from breaking down forever, you can avoid the scenario above by remembering to schedule annual furnace maintenance visits. When a furnace is taken care of, it will perform more efficiently and use less energy, and there is a better chance that there could be fewer costly repairs moving forward.
Here’s a simple test to try on your own: When it’s hotter than 80 degrees outside, turn on your AC unit, and set it to well below room temperature. Let it run for 15 minutes, then use a thermometer to check just outside the return duct (the area where air flows in to be cooled). Now take a temperature reading just outside the strongest, most easily accessible vent (where cool air should be flowing out). Subtract the second reading from the first. If the difference between these two is fewer than 14 degrees, your HVAC unit might need work. 
For every job, our level of professionalism, courteous treatment, and job site management sets us apart.  You’ll get the information and recommendations you need to make smart decisions, and enjoy the results that increase the value of your HVAC equipment.  Let us simplify your temperature control requirements with prompt response, quick turnaround, and turnkey solutions.  Two Waynes … No waiting!
"Friendly, professional, responded quickly to my problem. I have called many air conditioning companies about my problem including the maker of the unit and had come to the conclusion that I would not find someone to repair this unit. D's came in and within a short test found the problem and assured me of a fix. They made the fix within 2 days as they needed to get a part and they also checked to see what the cost would be of the fix by putting in the control boarrd from the maker which was very high to the extreme. I now have a unit working and am very pleased."
We live in a recently completed townhouse that was built with double-wall construction. That construction method was touted by the builder as what would keep sound from penetrating between the units. But we can hear the next door neighbors' TV and stereo, and sometimes voices and even snoring, through the wall. While sometimes it's the volume, mostly it's the bass sounds coming through the wall. They say they don't hear us, but we keep our bass turned down. They crank up the bass, and they are not going to change that. They also are not going to do anything construction-wise to help from their side. What is the best way for us to try to block the low frequency/bass sounds from penetrating the existing wall into our side?
Tony was very good - appointment took a while to book, but that's understandable, since they have built a great business and have lots of people calling them. Tony came this Sunday morning, and once he saw the HVAC unit, knew exactly what the issue was - fixed it in under 20 mins, and my AC was back to normal Pricing is fair - parts, labor and diagnostic fee and tax I would definitely recommend him to anyone needing his services. He's honest, very nice to deal with even made my toddler son smile. 5 STARS ALL THE WAY!
Technician Laurence arrived on time. I was running 20 minutes late and he waited patiently for my arrival. I described the problem with my air conditioner. He examined the A/C system and quickly diagnosed the problem. He had identified that the capacitor was not functioning and replaced it. Her then started the A/C system and confirmed that it was working well. He also checked refrigerant level. I am very happy with the service provided and the professionalism of Bill Howe Technician Laurence. I would highly recommend Bill Howe Heating & Air.

The selection of the working fluids (refrigerants) has a significant impact not only on the performance of the air conditioners but on the environment as well. Most refrigerants used for air conditioning contribute to global warming, and many also deplete the ozone layer.[59] CFCs, HCFCs, and HFCs are potent greenhouse gases when leaked to the atmosphere.
Berkeys knows how unbearable the Dallas, Plano, Fort Worth and Arlington Texas summers can be. Assuring your home’s air conditioning system is functioning properly is our job! We’ll always have the solution to your air conditioning problem, and we’ll rescue you when your system stops working. Call us or schedule your service online today and we think you will see why we are considered to be one of the Best A/C Companies in the Dallas & Fort Worth area!
An HVAC service contract can be a very cost-effective way to make sure your system is properly maintained and to have someone on call when things go wrong. Depending on the amount of services offered, they cost between $150 and $500 per year, but they often include yearly inspections of both your furnace and A/C, discounts on major repairs, and preferred scheduling status when you have problems during the busy season. 
Ground source, or geothermal, heat pumps are similar to ordinary heat pumps, but instead of transferring heat to or from outside air, they rely on the stable, even temperature of the earth to provide heating and air conditioning. Many regions experience seasonal temperature extremes, which would require large-capacity heating and cooling equipment to heat or cool buildings. For example, a conventional heat pump system used to heat a building in Montana's −70 °F (−57 °C) low temperature or cool a building in the highest temperature ever recorded in the US—134 °F (57 °C) in Death Valley, California, in 1913 would require a large amount of energy due to the extreme difference between inside and outside air temperatures. A few feet below the earth's surface, however, the ground remains at a relatively constant temperature. Utilizing this large source of relatively moderate temperature earth, a heating or cooling system's capacity can often be significantly reduced. Although ground temperatures vary according to latitude, at 6 feet (1.8 m) underground, temperatures generally only range from 45 to 75 °F (7 to 24 °C).

It’s a rare occasion for a problem to arise with your heating or cooling equipment at a convenient time. In fact, we’re not even certain such a time exists! That’s why the team at HVAC Unlimited stands ready to provide complete emergency heating and cooling repairs. No matter the time of day or the day itself, we can be on the way and ready to provide prompt, cost-efficient services to our Alexandria clients.


Since 1971, One Hour Heating & Air Conditioning has been the leading Charlotte AC repair company. Our technicians are not only professional experts, but they work 24/7, 365 days a year to make sure you’re comfortable. Plus, they’re “Always on time… or you don’t pay a dime.” ®. If you are looking for heating and air in Charlotte NC, you are in the right place!
Believe it or not, the evaporator coils inside the AHU (Air Handling Unit) are freezing. You may notice the refrigerant lines on the condenser or at the AHU are frozen with ice build-up. The frost or ice builds up on the evaporator coils and blocks air flow (low air flow and no cooling are a sign of a low charge). A low refrigerant charge will cause the evaporator coil to operate at or below freezing. Since the coil typically operates below the dew point, it draws condensation out of the air. When the evaporator coil begins operating below freezing all this condensation freezes to the evaporator coil and the unit stops cooling.
Before selecting the installation location of air conditioner, several main factors need to be considered. First of all, the direction of air flow from the indoor units should not fall on the place of rest or work area. Secondly, there should not be any obstacles on the way of the airflow that might prevent it from covering the space of the premises as much as possible. The outdoor unit must also be located in an open space, otherwise the heat from the house will not be effectively discharged outside and the productivity of the entire system will drop sharply. It is highly advisable to install the air conditioner units in easily accessible places, for further maintenance during operation.
Our A/C was blowing hot air intermittently...it was cold one minute and warm the next. By 8pm I'd have a 90 degree interior temp. After one company just took a cursory glance at our A/C and found nothing wrong, I called HVAC. I called them mostly based on Michael W's post on 8/10/14 where he told us the owner, Alberto, took his feedback and took it SERIOUSLY. That speaks VOLUMES to anyone who has been around long enough to know the characteristics of the serious players are and those who are the wannabes. So HVAC sent Tony Diaz to my house. I was at work so he was subjected to the most excruciatingly exacting woman on the planet (my wife). Tony impressed her with his friendliness, professionalism and the obvious jouneyman-level knowledge of his craft. He found literally --burnt-out-- parts in our system and replaced them. It cost us a bit but I know enough about the parts to see there was no gouging on the parts and a fair rate for the labor. It wasn't cheap but it was fair and worth every dime. And now i have A/C in my house again and a repairman came to my house, actually FIXED something AND managed to do so in a friendly & professional manner. That used to be commonplace...nowadays it deserves a "Wow".. Thank you, Tony!
If your AC doesn’t turn off when room temperature reaches the temperature set on the thermostat, the problem is generally occurring either at the thermostat or in the electrical system that runs the outside condensing unit. You can use the AC’s circuit breaker to shut off the unit, but that should not be a permanent solution—circuit breakers are not designed to be used like light switches.

Air conditioners often use a fan to distribute the conditioned air to an occupied space such as a building or a car to improve thermal comfort and indoor air quality. Electric refrigerant-based AC units range from small units that can cool a small bedroom, which can be carried by a single adult, to massive units installed on the roof of office towers that can cool an entire building. The cooling is typically achieved through a refrigeration cycle, but sometimes evaporation or free cooling is used. Air conditioning systems can also be made based on desiccants (chemicals which remove moisture from the air) and subterraneous pipes that can distribute the heated refrigerant to the ground for cooling.[2]
No matter what make or model your air conditioner is, Coolray's skilled AC repair experts can help. From small repairs and routine maintenance to a full air conditioning system replacement, you can trust Coolray for all of your air conditioning needs. If your air conditioner suddenly stopped working, give us a call and we get you back up and running with our 24-hour emergency air conditioning repair service. You can count on our air conditioning repair experts to show up on time, be friendly and personable, and repair your AC right the first time.
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.
The 2nd-century Chinese mechanical engineer and inventor Ding Huan of the Han Dynasty invented a rotary fan for air conditioning, with seven wheels 3 m (10 ft) in diameter and manually powered by prisoners of the time.[6] In 747, Emperor Xuanzong (r. 712–762) of the Tang Dynasty (618–907) had the Cool Hall (Liang Dian 涼殿) built in the imperial palace, which the Tang Yulin describes as having water-powered fan wheels for air conditioning as well as rising jet streams of water from fountains. During the subsequent Song Dynasty (960–1279), written sources mentioned the air conditioning rotary fan as even more widely used.[7]
Routine maintenance involves replacing or cleaning the filters if so equipped, and keeping the outside air intake free of debris. After years of service the air exchanger will become crusted with grease and dirt that collects during condensation. Removing this accumulation will probably take solvents or degreasers and require opening up the cabinet and compartments.
The icing problem becomes much more severe with lower outdoor temperatures, so heat pumps are commonly installed in tandem with a more conventional form of heating, such as a natural gas or oil furnace, which is used instead of the heat pump during harsher winter temperatures. In this case, the heat pump is used efficiently during the milder temperatures, and the system is switched to the conventional heat source when the outdoor temperature is lower.
This company deserves more than five stars. They didn't just replace my heater and air conditioner, they built me a new system for my house. Going above and beyond is a understatement. Steve's staff were 2 of the nicest workers I've come across in a long time. Friendly, knowledgeable, and very clean. Truly a top rated company. Thanks Steve.   Great job.
If so, you may want to consider replacing your entire AC system. After your AC system reaches a certain age, it makes more sense to invest in a new AC system altogether rather than repairing it one piece at a time. To learn more about John Moore’s AC replacement program, our warranty, and the cost-advantages of replacing your AC system, visit our AC Replacement page.

Refrigeration air conditioning equipment usually reduces the absolute humidity of the air processed by the system. The relatively cold (below the dewpoint) evaporator coil condenses water vapor from the processed air, much like an ice-cold drink will condense water on the outside of a glass. Therefore, water vapor is removed from the cooled air and the relative humidity in the room is lowered. The water is usually sent to a drain or may simply drip onto the ground outdoors. The heat is rejected by the condenser which is located outside of room to be cooled.


If your air conditioner’s condenser coils, which are located in the outdoor unit, freeze up, your system will not run properly. Poor airflow through your cooling system can cause ice to form on the coils. Obstructions are typically the cause – such as dirty air filters or blocked return air ducts. Low refrigerant could also be the cause, requiring a refrigerant charge. A home AC repair technician can diagnose the issue behind your frozen coils, resolve it, and safely thaw your coils to restore cooling in your home.”


At A-PLUS Service Experts Heating & Air Conditioning, we are well accustomed heating and air conditioning, which is why we back up our work with our 100% Satisfaction Guarantee*. Not only does it demonstrate our confidence that you’ll be happy with the furnace repair we have finished, it holds us to a higher standard, making certain that we continue to provide you with exceptional service without fail. When it’s time to address any heating and cooling question or concern you have, know that you can trust the experts at A-PLUS Service Experts Heating & Air Conditioning regardless of what the Waldorf weather tosses our way.
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