Archive for the ‘Indoor Air Quality (IAQ)’ Category

A/C Efficiency: 5 Tips to Keep Your Richmond Home Cool in Summer

Thursday, May 20th, 2010

Flowers Spring Richmond VAIt may be “spring” on the calendar, but here in Richmond,  the weather has been providing some early doses of summer recently.   Already,  home air conditioners have been humming throughout the region. 

For many, the sound of that A/C unit outside can be justification, in and of itself, to break out into a cold sweat. After all, the more it runs, the bigger the power bill at the end of the month.

In an effort to calm the nerves and put less strain on your wallet, here are five ways to make your air conditioning unit work better and save money:

  1. The top way to make your A/C unit work better and save money is to replace your filter EVERY MONTH.   Having a clogged filter in your air conditioning system slows down the flow of air, which makes the air unit work harder to cool your home. Clogged filters can even cause costly damage to the system.  Replacing filters will ensure that you have cleaner air at a lower cost, with lower risk of your AC breaking.
  2. Use household fans to help keep the house cool.  When people try to figure out how to make their AC work better to save money they often forget about this.  A fan uses significantly less energy than your AC unit.
  3. Try to pay it forward to your AC unit and protect it from the sun.  If your AC unit was placed in an area where it is in the sun most of the day, try planting shrubs or trees around it.  The cooler the AC unit, the better it will cool your home. Just make sure not to plant too close to the unit – leave enough room for proper ventilation and comfortable servicing.
  4. If you make your home drier by getting rid of humidity you will see a change in comfort right away, because your body’s natural cooling systems work better in low- humidity air.  Your AC unit removes some moisture from the air by itself ( thus, the delightful drip and drainage from the outside unit ). However, if you live in a tropical or subtropical climate with high humidity such as Richmond, a dehumidifier can ease the strain on your AC unit and keep everyone more comfortable at higher temperatures.
  5. By hanging curtains in front of the windows of your home, or thick blinds (not mini-blinds), your home will stay cooler on its own. For many a decorator,  the mere thought of insulated drapes causes a recoil and cringe reaction.  But don’t be so quick to judge. Insulated drapes have come a long way in the past few years. They come in different styles and colors now and should at least be considered if you have South facing windows.  They really do help keep the heat out in summer and the cold out in winter. Draperies keeping the heat out in the hottest part of the day can keep your air conditioning unit from working so hard.

Your heating and cooling specialists at Marshall Mechanical know additional ways to save on cooling costs, and we would be happy to help you if you have any questions. Contact us at  804-323-0189  for more information today.

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Reduce Airborne Pathogens with New Ultraviolet HVAC Technology

Wednesday, May 12th, 2010

 

Healthy Climate® UV Germicidal Lights

Healthy Climate UV Germicidal Lights, give powerful ultraviolet energy helps eliminate biological contaminants like mold and bacteria

One of the new technologies in residential air filtration systems to reduce sickness and allergies is ultraviolet, or UV, light treatment. Ultraviolet light treatment has been used by big business for years to help sterilize the air in office buildings and hospitals.  

Now the technology is available to consumers for residential use.  It has helped to eliminate enough germs and allergens in the workplace to cause a reduction in employee sickness, so imagine what it can do for allergy sufferers at home in Richmond.

So, how does the germicidal UV technology work?

A high-efficiency air filtration system and a UV germicidal light work as a “tag team” to clean your air. First, many allergens are trapped in the filter system. Then, as the air passes through the main supply or return duct of the HVAC system it is given the ultraviolet light treatment, which disinfects the air that is sent through the system and helps to eliminate many germs altogether.  This doesn’t happen right away, but as the air continues to be cycled throughout the home and the HVAC system, it is repeatedly cleaned.

So, when combined with a good air filtration system that traps tiny particles, UV technology can make a big difference in home air quality. Mold, mildew, viruses and other irritants are zapped so we enjoy cleaner, healthier indoor air, even if everything outside is covered in a dusting of pollen!

Lennox offers this new technology with their Healthy Climate UV Germicidal Lights as part of their Indoor Air Quality Systems. With the highest UV light intensity on the market,  these UV Lights easily reduce concentrations of airborne contaminants as much as 50% within as little as 45 minutes. Plus, the Healthy Climate UV Germicidal Light cleans the air without the use of ozone, a known irritant. 

Contact your authorized Lennox dealer, Marshall Mechanical, at  804.323.0189 to learn more about this new technology for your Richmond home.

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NBC12 says pollen count is up; high-efficiency home air filtration units can help allergy sufferers

Sunday, April 11th, 2010

Last week, NBC12 released a story about how allergy season struck early this year with the pollen count up and the tree pollen, especially, out earlier this year.

Here’s the story:

At Marshall Mechanical, we have high-efficiency home air filters as well as home air purification systems that can help keep the pollen, dust and other airborne contaminants out of the air in your home.

Check out our full line of indoor air quality systems as well as air handler units, which are quiet, efficient and environmentally responsible.

Don’t wait.  Let us help you breathe better during Richmond’s allergy season.  Don’t suffer from airborne allergies this year – simply call our office at 804.323.0189.

P.S.  To read the story on NBC12, simply click this link:  Yellow dust, Spring fever: Allergy season strikes early

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7 Things to Look for in a Home Heating and Air Conditioning System

Tuesday, March 2nd, 2010

Purchasing a new home heating and air conditioning system is often more important than people recognize.   Not only does your HVAC system need to keep you warm in the winter and cool in the hot Richmond summer months, it needs to run at high efficiency to save you money, have noise reduction features for quiet operations and both balance air flow and keep it at the right moisture level. 

In this way, you’ll enjoy a comfortable home all year long and for many years to come.  It is truly an investment in your home that you should not rush into purchasing, just like any other investment.  Take your time, check the facts and ask questions of your HVAC contractor.

To help you make the best decisions in purchasing your new HVAC system, here are 7 things to consider:

  1. Reliability.  Chances are, your heating and cooling system is one of the most expensive pieces of equipment you will purchase for your home.  That’s why it’s important to choose proven products from a reputable manufacturer.
  2. Efficiency.  A new ENERGY STAR®-labeled system, when properly sized and installed, can save you up to 20% on your annual heating and cooling costs. Plus, it may qualify you for utility rebates and tax credits.*
  3. Quiet operation.  The sound of a standard furnace can be as loud as 100 decibels, comparable to the sound of a kitchen garbage disposal! Air conditioners can produce sounds as high as 80 decibels. Look for technologies and features that help keep operating sound at a comfortable level.
  4. Consistent temperatures.  With a typical furnace or single-speed air conditioner, indoor temperature can vary as much as seven degrees from the thermostat setting. Variable speed and/or two-stage systems give you the assurance of precise temperature control.
  5. Balanced humidity.  To maintain proper moisture levels in your home, choose a thermostat that controls both temperature and humidity. You might also consider a variable speed and/or two-stage comfort system and dehumidifier.
  6. Proper Airflow.  A typical furnace motor runs at one speed and circulates a constant volume of air, so it responds to changing comfort demands by repeatedly cycling on and off. This frequent cycling increases air stratification and stagnation. For optimal air circulation, choose a variable speed model.
  7. Healthy air.  One of the best ways to combat indoor pollution is to attach an air cleaner to your furnace or air handler. That way, you can have peace of mind knowing your system is working to capture small contaminants in every room of your home.

Here at Marshall Mechanical, we partner with Lennox because of their superior heating and air conditioning equipment and because they are the innovation leaders in high efficiency technology.  Their products are superior in many ways.  But we will always talk with our customers to find out exactly how they use their HVAC system and take into consideration their home specifications to make the best choice for each individual family and home. 

For a free consultation on what heating and air conditioning system is the best choice for you and your Richmond-area home, please call the HVAC professionals at Marshall Mechanical at 804.323.0189 today.

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Your Spring Home Heating and Air Conditioning Maintenance Checklist by Lennox

Monday, February 22nd, 2010

With the early bout of warm weather in the Richmond area this weekend, it’s not too early to start planning for your HVAC system’s Spring maintenance.  As you may know, Marshall Mechanical is an authorized Lennox dealer and we specialize in helping you to maintain your heating and air conditioning equipment so that you can enjoy comfort and energy savings all year long, for many years to come.  Below is an excellent Spring HVAC maintenance checklist* and reminders to help you best maintain your HVAC equipment this year.

Keep your cool with simple A/C maintenance

  • Clear leaves, brush and dirt from inside your air conditioner’s top grille.
  • Trim nearby shrubs and bushes to allow at least two feet of clearance around the unit.
  • Set the thermostat to cooling mode and run your air conditioner a few minutes to make sure it’s working.
  • Schedule an annual checkup of your air conditioning system.
  • Replace your air conditioner filter once a month. Dirty filters restrict air flow and can waste energy.
  • If you use a room air conditioner, install it on a north-facing wall to keep it out of the sun.
  • If it’s time to replace your air conditioner, look for an ENERGY STAR® qualified model to help reduce cooling costs up to 20 percent.

 Don’t let April showers bring May mildew

  • Clear leaves, pine needles and other debris from gutters and downspouts to ensure proper drainage. Check that they’re stable to avoid flying debris during storms.
  • Be sure downspouts slope away from your house. They should carry water at least 5′ from foundation walls.
  • Position lawn sprinklers so they don’t spray your home’s walls.
  • Examine window and door seals and weatherstripping. Reseal if needed.
  • Move furniture a few inches away from the inside of exterior walls to increase air circulation.
  • Check windows for condensation and walls for water stains, which are signs of too much humidity.
  • Keep your home’s relative humidity between 30 – 50%. A humidity control system such as Humiditrol® can safely control humidity.

 Take control of home energy costs

  • Reduce air leaks in your home by caulking, sealing and weatherstripping around doors and windows.
  • Use exhaust fans to reduce moisture in the kitchen or bath, but turn them off when they’re no longer needed.
  • Make sure your refrigerator’s seals are airtight. Test by closing the door over a dollar bill. If you can pull the dollar out easily, the seal may need to be adjusted.
  • Wash only full loads in your dishwasher and clothes washer.
  • Turn off lights you don’t need to save energy and reduce extra heat in your home.
  • If it’s time to replace your air conditioner, choose an energy-efficient model with two-stage cooling, such as the XC-21.  Two levels of operation allow you to rely on the low setting most of the time and it runs at low speed 80% of the time, which means lower operating costs, more consistent comfort and better humidity control.
  • Prepare dinner on your outdoor grill to help reduce your air conditioner’s load.
  • Check ducts for air leaks, including holes or separated sections.

After having such a cold and snowy winter here in the Greater Richmond area, I think we’re all be glad that Spring is not too far around the corner.  Remember, Marshall Mechanical is uniquely qualified to handle all your HVAC maintenance needs and we can help you protect your equipment and the investment you’ve made in your home.  To schedule your Spring HVAC check-up, simply call our office at 804.323.0189 to schedule your appointment today.

*These tips are brought to you by Lennox International Inc. and Marshall Mechanical as an authorized dealer.  © 2010 Lennox with all rights reserved.

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How your Heating & Cooling System can help clean the air in your home

Wednesday, February 17th, 2010

Ever go over to someone’s house and it just smells …. bad?  Ever been somewhere that made the back of your throat scratchy, made your eyes water,  made you start sneezing, or gave you a headache?  What if you had to live there? Would you be sick all the time?

Indoor air can get pretty funky – especially in the Winter when you keep all the doors and windows closed to keep out the cold.  If you do open the windows to change the air, your heating system has to play catch-up.  Sometimes it is worth it, though.  The EPA estimates that indoor air is two to five times more polluted than the air outside.  Let’s face it, people need to breathe clean air because bad air can literally make us sick!

What are the main reasons there could be “bad air” in your home?

1.         Temperature & Humidity problems
2.         Small particles like Pet Dander & Pollen
3.         Odors & Chemicals
4.         Bacteria & Mold

These contaminants, either from inside or outside the home, combined with poor ventilation can cause bad air quality.  High humidity only makes it worse.  Irritants like mold and mildew can cause a number of health problems. These can include: making allergies or asthma worse, dizziness, headaches, fatigue and nasal congestion.

Do you experience any of these symptoms when you are at home? Do they get better when you leave? If so, you may need to work on improving the air quality in your home.

In addition to impacting your health, bad air quality can damage your house and cause you to be uncomfortable.  Air that is too dry can cause walls to crack and make wood flooring separate.  Air that is too wet, or high in humidity,  can make the temperature inside your home feel hotter than it really is and become a breeding ground for powdery mildew or black mold which can ruin wallpaper, draperies, and furniture.

So how can you make sure the air you and your family breathe inside your home is clean, good air?  Clean regularly to prevent mold and mildew – just make sure to use cleaning products which do not irritate you in any way.  Also, make sure the humidity in your home is properly balanced.  You may need a dehumidifier or a humidifier depending on your situation.  

But in addition to regular cleaning and proper ventilation, the answer can lie with your heating and cooling system.  Lennox has a wonderful product line called Healthy Climate Solutions.  These products address all the causes of “bad air” in your home, that reduce your indoor air quality.

The Lennox Healthy Climate Solutions product line includes:

  • Humidity Control
  • Germicidal Lights
  • Ventilation
  • Air Cleaners/Filtration

These products control humidity, insure good ventilation, filter out up to 95% of small particles and irritants, and actually clean the air by zapping bacteria and mold before they circulate all through your home.  As an authorized Lennox dealer, Marshall Mechanical can install any of these air quality systems in your Richmond area home.  

Simply call us at 804.323.0189 today for more information about these high quality Lennox air quality products and how they can help ensure the air inside your home is “good air” – so you and your family can breathe easier.

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Top 10 ways to enjoy a cleaner home, and cleaner air

Sunday, January 31st, 2010

Having clean air that’s free of odors, germs, and allergens can make a huge difference in your family’s health.  Lennox, one of our preferred vendors for home and commercial ventilation, heating, and cooling systems, offers a list of 10 simple things you can do to help make the air in your home clean.  

  1. Add a germicidal light to your HVAC system. Easy to install, these UV-emitting lights help purify your home’s air by reducing growth of mold, bacteria and viruses before they are spread throughout your home. Healthy Climate® UV Germicidal Lights offer the highest UV light intensity on the market.  

  2. Take off your shoes when you walk in your front door. A selection of house slippers nearby helps encourage your family to take their shoes off. Most of the dirt in our homes is dust and soil tracked in by family members.  

  3. Replace kitchen sponges once a week. The moist environment of a sponge is a breeding ground for bacteria – more than 100,000 bacteria per square inch. Sponges can also be soaked in bleach 15 minutes to help kill bacteria.  

  4. Control mold by removing the excess moisture it needs to grow. Adding a whole-home dehumidifier will reduce the opportunity for allergy-triggering mold and mildew to grow.  

  5. Wash bedding regularly in hot water. This helps kill dust mites, which trigger allergies. Cover mattresses and pillows with allergy-proof cases.  

  6. Use microfiber cloths to dust without chemicals. Once used, they can be tossed in the washer to clean for reuse. Dust high to low surfaces first, and then vacuum last.  

  7. Add a multipurpose air-purification system. Choose an indoor air quality system that attacks small particles such as dust and dirt, airborne mold spores and viruses, even odors and chemical vapors.  

  8. Get rid of clutter. Keeping your home clean and organized is easier when you put away the knick-knacks where dust collects.  

  9. Replace or clean your HVAC system’s filter once a month. You’ll not only remove airborne pollutants, but protect your system’s energy efficiency.  

  10. Keep windows closed at night if you have allergies. You’ll help prevent pollen from drifting into your home.  

Any questions about improving air quality in your home, changing your filters, or assessing the health / efficiency of your HVAC system? Marshall Mechanical is a certified dealer of Lennox products. We also are a full-service HVAC and plumbing solutions provider. Our trained experts are always happy to help answer your questions. Call Marshall Mechanical at  804-323-0189 today for cleaner air tomorrow.

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8 signs that you may need to service or replace your HVAC system

Monday, January 18th, 2010

Is the air quality and temperature in your Richmond home or office less than you would like it to be? Lennox, one of our trusted manufacturers of heating, cooling, and air purification systems, offers the following information to help you improve your air — and save money doing it.

If you’re experiencing any of the problems on this checklist, you might want to consider making a change.  Take a look:

  1. Some of your rooms are too hot or cold. Duct problems, inadequate air sealing or insulation could be the cause. No matter how efficient your heating and cooling system is, if your home is not properly sealed and insulated against air leakage, you will not be as comfortable and your system will have to work harder.
  2. Your home has humidity problems and/or excessive dust. Poorly operating or improperly sized equipment could be to blame. Leaky ductwork can also cause these problems, so having it sealed may be a solution. Monthly maintenance of your heating and cooling equipment’s filters may also help.
  3. Your cooling system is noisy. Your duct system could be improperly sized or there may be a problem with the indoor coil of your cooling equipment.
  4. Your equipment needs frequent repairs and your energy bills are going up. In addition to the rise in energy costs, the age and condition of your heating and cooling equipment may have caused it to become less efficient.
  5. Dave Lennox Signature® Collection XP19 Heat Pump, the most quiet and efficient heat pump you can buy

    Your air conditioner or heat pump is more than 12 years old. Consider replacing it with newer, more efficient equipment. And, remember, high efficiency levels begin with ENERGY STAR.

  6. Your furnace or boiler is more than 15 years old. Consider replacing it with ENERGY STAR® qualified equipment. ENERGY STAR has set high efficiency guidelines for both types of heating systems.
  7. You leave your thermostat set at one constant temperature. You could be missing a great energy-saving opportunity. A programmable thermostat adjusts your home’s temperature at times when you’re regularly away or sleeping, and then brings it back to your preferred temperature for times that you are awake and doing things in the house.
  8. Your score on the ENERGY STAR Home Energy Yardstick is below five. That means you’re using more energy at home than most Americans and probably paying more than you need to on energy bills. Get personalized recommendations to improve your home and/or heating and cooling system. Find the Home Energy Yardstick at www.energystar.gov. Click on Home Energy Analysis.

If any of these apply to you, consider calling us for a consultation with one of our certified HVAC experts today at 804.323.0189Marshall Mechanical is a certified dealer of Lennox and our experts can help you find exactly the right solution for your home or commercial building.

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Silent killer Carbon Monoxide poisoning risks increase – be safe with 25% off complete CO Detection Service

Tuesday, January 12th, 2010

Freezing temperatures have plagued the Greater Richmond area for more than 10 days now and heating systems across the Commonwealth are running on high.  That has fire crews and heating experts worried about malfunctions that could be deadly.

Marshall Mechanical’s HVAC technician Gary Dedrick and owner Sean Cantrell appeared on an NBC12 news segment Sunday on the increased threat of carbon monoxide poisoning during the cold Richmond temperatures and what consumers should watch out for.

Carbon monoxide is an invisible, odorless, tasteless gas and is highly poisonous.

“Most people don’t even know,” said HVAC technician Gary Dedrick. “They’ll get home after a hard day’s work. They’ll be sitting on their couch, enjoying a little time with their family. They’re feeling tired. They think it’s from the day’s work and it’s not.”

It doesn’t matter what type of system you use to keep your house warm in these chilly temperatures.

To avoid a carbon monoxide leak:

“Don’t ignore your heating systems or your gas-powered appliances,” said HVAC technician Sean Cantrell. “Have them checked out at least once a year.”

In order to help you protect you and your family – and your home – during the cold winter season, Marshall Mechanical is offering a 25% savings of a home carbon monoxide test service and detector. 

Normally, this service – along with the detector – is $160 but for a limited time you can save 25%.  So for just $120 – a savings of $40 — you can make sure your home is safe all winter long.

Simply mention the NBC12 video when you call 804.323.0189 for your appointment and we’ll quickly set up a time convenient for you to test your home’s carbon monoxide levels and install your CO detector.

A simple call to make sure you and your family are protected from carbon monoxide, often called the silent killer because the gas is invisible, odorless and tasteless yet highly poisonous. Don’t delay – call Marshall Mechanical today at 323.0189 for your appointment and 25% discount. Remember to mention NBC12 when you call.

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HVAC engineers keep you comfortable, no matter the weather.

Tuesday, August 25th, 2009
Staying comfy? Thank an HVAC Engineer.

Staying comfy? Thank an HVAC Engineer.

Just ran across this Washington Post article by Roger K. Lewis, an architect and professor at the University of Maryland, talking about the challenges we go through in order to keep indoor climates safe and comfortable.  “Properly conditioning building interiors,” he says, “also means taking care of humidity, unseen condensation, mold and mildew, indoor air quality, acoustics and air drafts, not to mention energy conservation.  Thus, sustainability creating comfortable, healthy interiors entails multiple, often contradictory, demands.”

He’s right.  Temperature regulation is only one small part of what HVAC (heating, ventilation and cooling) engineers have to worry about.  Roger goes on to say, “Beyond regulating temperature and humidity, an effective HVAC system helps achieve favorable, year-round air quality by continuously introducing fresh air while keeping out particulate matter and other toxic pollutants.”

Maintaining humidity levels, filtering air, managing noise from system vibrations, and draft levels are all things us HVAC engineers are concerned about.  That’s why when homeowners are in a rush because their air conditioning system isn’t working, for example, we provide an immediate solution like a window air conditioner in order to give us time to take into consideration all the aspects of the environment to engineer and install the right system that will provide lasting comfort for years to come. 

This is especially true these days when energy efficiency and green building technology are so critically important.   Solar and geothermal heat pumps, for example, are being used much more than ever before because of their ability to not only save on monthly energy costs but significantly reduce the carbon footprint for both homes and commercial buildings. 

Designing a home or building and engineering it with the new HVAC energy efficient HVAC technologies requires solar and geothermal expertise.  At Marshall Mechanical, we are your Richmond heating & air conditioning contactor and engineering experts.  We recently installed the first solar assisted heat pump in central Virginia right here in Richmond and we also successfully completed the geothermal installation for the Caroline Family Practice Health Center in Bowling Green, VA.  For all your HVAC engineering needs, both residential and commercial, call professional engineer Sean Cantrell at 804.323.0189.

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