FAQ's

Answers to some of the most frequently asked questions

  • A/C Maintenance
  • Mini-Splits

What should I look for in a central air conditioning system?

Some of the most important things to look for in a new AC unit are: sizing, pricing, and efficiency. Getting the right size AC means making sure that the system will be able to cool your entire home. The larger your house, the larger capacity your new system will need, and the more expensive it […]

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When should I replace my AC system?

A central AC system should last between 10 and 20 years. If your AC is in that bracket, there’s a few other ways to know if it’s on its way out. If your system is: Noisy Expelling a lot of dust More inefficient than usual (you can tell by if your energy bill is higher […]

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How can I tell if my air conditioner is broken?

Before you call us in a panic, there’s a few steps to make sure your AC unit is really broken. Check that it is getting power. You might have tripped a circuit or blown a fuse. Check the fan. If you can turn the fan on, the blower is getting power and the problem might […]

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What other types of maintenance should I do and how often?

Air conditioners require regular maintenance to keep them working at top performance levels. Some of the maintenance you or your HVAC tech should be doing on a regular basis is: Replace or clean air filters Check and clean your evaporator coil Keep outdoor condenser units free of dirt and debris Comb bent coil fins back […]

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What kinds of ductwork for heating and air conditioning systems are there?

Ducts are the passageways that cold air travels throughout to cool your home, and that warm air leaves your house.There are two main types of ductwork: flexible ductwork and rigid. Flexible ductwork is made up of plastic tubes surrounded by insulation. It’s perfect for tricky spots that rigid ductwork won’t fit in. A skilled installer […]

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What are the most common air conditioning duct problems?

Air conditioning problems don’t end with the air conditioner unit itself. They can also occur with ductwork. You might have leaking ducts, poorly sealed registers and grills, damaged flexible ducts, poorly insulated ducts, or even dirty ducts! All of this can lead to an overworked, inefficient cooling system that means a higher energy bill for […]

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How Air Conditioners Work?

A central air conditioner is a life-saver in the sticky dog-days of New England summers. Of course, you may be thankful for your central A/C, but do you know how it works? Central air conditioners work a lot like a refrigerator. Refrigerant travels through the tubes and coils of the machine to absorb the heat […]

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What Size Heating and Air Conditioning System Do I Need?

A correctly sized system isn’t just based on the size of the structure. Many factors go into determining the size of the system, including type of house and walls, type and size of windows, insulation, basement and attic conditions, house orientation etc. When sizing air conditioners, be careful not to get one that is too […]

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What type of heating and air conditioning system should I get for an apartment or a small house?

The size of your apartment will be one of the most important factors in which type of air conditioner is most suitable. A studio apartment and a three bedroom will have very different cooling requirements. If you only need to cool a studio or perhaps just one room of a larger apartment, smaller systems like […]

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Are AC tune ups worth it?

We understand the hesitance to spend money when you think everything is fine, but annual air conditioner tune-ups are recommended not only by Evolved Mechanical but also by the EPA, ENERGY STAR, the U.S. Department of Energy, and local utilities. Air conditioners are put through a lot over the cooling season. Without a regular maintenance […]

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How often should I have my AC unit serviced?

Even if you do not suspect that your air conditioning unit has problems, we at Evolved Mechanical strongly recommend you have it serviced and inspected at least once every year. This will ensure that it operates at maximum efficiency. It will be ready to cool the house in the months when you require it most. […]

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How often should I replace my AC unit?

How are you supposed to know when it’s time to replace your air conditioner? Although a new air conditioner can be a big investment, so can the costs of continuing to repair and operate an old, inefficient unit. The tell-tale signs listed below are sure to help you make your decision! Air conditioner is more […]

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Ductless AC system vs Central Air system

Central air conditioning is common in the United States, but ductless or mini-split systems are becoming more and more popular. Here’s some information about their characteristics and cost differences. Ductless Mini-Split System Advantages: Ductless mini-split system does not require ductwork, making it the more convenient cooling and/or heating option for older buildings with thick walls. […]

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How to be efficient with my AC unit

Without a doubt, keeping your home cool in the summer is one of your biggest expenses. Here are some tips to help increase the efficiency of your air conditioning unit and make your home cooler for less cost. Change your air filters at least every three months. When the filters are dirty, the unit has […]

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How often should I replace my air filter?

The frequency you should change your air filter depends heavily on this one factor: the weather. In the hot summer days you’re running your air conditioner constantly which causes the air filter to catch more dust, dirt and debris. Therefore, you’ll need to change the air filter more often, ideally once a month. In winter […]

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How often should I clean my air filter?

We believe a home that uses air conditioner to a regular standard use should clean their filters every 3 months; if you have exceptionally high use we believe you should clean your filters monthly. The more you clean them the healthier your air will be and the less dollars you will spend on running costs. […]

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My AC leaks water, should I be concerned?

During operation, your air conditioning unit will produce small amounts of condensation. How much water leaks from your air conditioner, however, depends on current humidity levels and temperature, as well as the size and efficiency of your system. When your air conditioner works hard during extremely hot and humid days you can expect to see […]

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Are allergies affected by our indoor air quality?

While many people associate allergy symptoms with pollen, pollution and other irritants outside your home, your indoor air quality can have a big impact on your symptoms. Our New England homes are contaminated with outdoor allergens like pollen that make their way in our homes, and by irritants like pet dander, dust mites, mold spores, […]

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What is the proper indoor humidity level?

Everyone has their own preferences when it comes to what indoor humidity level is most comfortable. In general, the ideal relative humidity for health and comfort is about 40–50%. The good way to keep relative humidity at ideal levels in your home year-round are home humidifiers in winter months when air is naturally drier, and […]

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What does the AC Check Up consist of?

Check-ups are important for avoiding unexpected breakdowns and helping your unit recover lost efficiency, increase the overall lifespan of the unit, insure optimal cooling and reduce your operating expenses. Ideally your heating and air conditioning system should be inspected at least once a year. An Air Conditioner Check Up Should Include: Check and clean the […]

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What is a ductless mini split system?

Mini-splits are heating and cooling systems that allow you to control the temperatures in individual rooms or spaces. Mini-split systems are made of two main components — an indoor air-handling unit(s) (evaporator) and an outdoor compressor/condenser (AKA pump heat). Unlike conventional air conditioners, mini split systems do not have ducts. They are easy to install […]

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How does ductless mini split system work?

A ductless mini-split air conditioner works like a regular central air conditioner but without the ducts. The indoor unit blows warm air from your home over cold evaporator coils. The refrigerant inside these coils absorbs the heat from the air and runs it to the outside unit where the refrigerant then dumps all the heat […]

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What are the advantages of installing a ductless mini split over a central air system?

Ductless mini-split system does not require ductwork, making it the more convenient cooling and/or heating option for older buildings with thick walls. Unlike an air conditioning unit that goes on and off throughout the day, mini-split system keeps your room temperature at a constant temperature. These systems run very quietly, and are easier to install. […]

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How do I choose a mini split air conditioner?

If you’re coming around to the idea of investing in a ductless mini-split air conditioner, there are a few main factors you should keep in mind during your search to ensure you get the best unit for your needs. Cost Mini splits are very much worth the investment over central air and heat options, and […]

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What are the pros and cons of a mini split air conditioner?

Ductless mini-split systems are beautifully efficient and provide consistent room comfort. But the decision to install is different for every homeowner and depends on several factors. The Pros of a Ductless System Ductless systems are quick and easy to install. They run on small pipes that require a mere three-inch hole. That means homeowners don’t […]

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What does Energy Star mean?

Energy Star is the trusted, government-backed symbol for energy efficiency helping us all save money and protect the environment through energy-efficient products and practices. The ENERGY STAR label was established to reduce greenhouse gas emissions and other pollutants caused by the inefficient use of energy and make it easy for consumers to identify and purchase […]

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What is indoor unit noise level?

The standard way of quantifying a noise level is with a decibel or dB(A) measurement. The lower the dB(A) level the quieter the system. Indoor units run from 19 dB(A) at low speeds to 49 dB(A) at high speeds (for reference, the quiet library has a noise level of 40 dB(A). Ductless mini-splits are not […]

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What are the benefits of a programmable thermostat?

A programmable thermostat lets you program how and when the thermostat controls the temperature of your home based on your schedule. If you need your mini-split to start cooling your place an hour before you get home, your thermostat can do that automatically. Instead of setting a consistent temperature before you leave, you can program […]

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What is the average life of a ductless mini-split system?

Compared to a traditional electric HVAC system, a ductless mini-split system generally has a longer life when maintenanced properly. A traditional electric Heat Pump average life expectancy is 15 years, with proper maintenance. A ductless split system average life expectancy is 20 years with proper maintenance.

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Should I repair or replace my system?

Your ductless AC will last longer when it’s been taken care of property and maintained per manufacturer recommendations. Don’t let decreased performance go unattended too long as it will most likely provoke larger component failure and shortened life expectancy. There are several questions that need to be considered when deciding to either replace or repair […]

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What if my heating or cooling system is not working, is there anything I can do?

Here are several simple things you can do before making a service call: Check disconnect switch. Make sure that circuit breakers are ON or that fuses have not blown. Check for sufficient airflow. Make sure air filters are clean. Check the settings on your thermostat (remote control). If you want cooling, make sure the temperature […]

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Why my air conditioning unit is blowing out warm air when my unit is set to cooling mode?

Here are 3 common reasons: Thermostat turned to heat mode If you’re getting hot air, you might have accidentally flipped your thermostat to “heat” mode. It happens to all of us. If that’s the case, switch it back to “cool” and you’re all set. Clogged Air Filter The air filters prevent pollutants from blowing through […]

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