Air Quality

Chris Donzelli is owner of Perfect Star Heating and Air Conditioning, a Diamond Certified company. He can be reached at (510) 244-4356 or by email.

The Importance of HVAC Unit Maintenance

Posted on January 30, 2018 by Mari Patrick

CONCORD — If you can’t remember the last time your heating and air conditioning system was professionally serviced, chances are it’s overdue for maintenance. Much like your car, your home’s HVAC system needs regular tune-ups to maintain optimal performance. You’d never dream of driving your car for years without a tune-up or at least an oil change, so why would you neglect the system responsible for heating and cooling your home?

Even the newest furnace and air conditioning units need to be regularly serviced by a professional. Professional service maintains system efficiency, avoids unnecessary problems and prevents costly breakdowns, all of which can save a lot of money over the long term. So, Read more

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Maximizing Indoor Air Quality with Air Scrubber Plus®

Posted on September 19, 2017 by Mari Patrick

If you’re looking to maximize air quality in your home, a great option to consider is Air Scrubber Plus®. This revolutionary system utilizes NASA-developed technology to clean, freshen and purify the air in residential homes.

The key to Air Scrubber Plus’ air-cleaning capability is a proprietary blend of reactive metals that, when exposed to ultraviolet light, mix with the surrounding air and humidity to produce charged hydrogen and oxygen clusters. These clusters include hydrogen peroxide, hydroxyls and superoxide ions, all of which are antimicrobial agents also found in nature. The system dispatches these “friendly cleaners” into the home, where they kill pathogens and other contaminants they encounter. Furthermore, since most of these “friendly cleaners” are negatively charged ions, Read more

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Ductwork and Indoor Air Quality

Posted on July 11, 2017 by admin

PACHECO — An often-overlooked factor for indoor air quality is the impact of ductwork. Since air ducts accumulate dirt and dust buildup over time, having them professionally cleaned is an important part of ongoing maintenance. On average, air ducts should be cleaned every two to five years. However, if your ductwork is damaged, routine cleanings won’t address the bigger underlying issue.

Air ducts can sustain damage from a variety of sources, but one of the most common is rodents that claw or bite their way inside. When ductwork is damaged in this way, the resulting air leaks hamper HVAC system performance and compromise air quality by allowing dirt, allergens, and other particles to enter through the breaches. Read more

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Video: Tip for Fresher Indoor Air

Posted on July 11, 2017 by admin

REDWOOD CITY — Host, Sarah Rutan: If you want fresher indoor air, you’ll be glad to know there’s a simple way to get it. Today we’re in Redwood City with Diamond Certified Expert Contributor Rick Lazzarini of Degree HVAC to learn more.

Diamond Certified Expert Contributor, Rick Lazzarini: A lot of people don’t realize that better indoor air quality can be as simple as turning on the fan selector switch. Go to your thermostat, go to the switch that says “fan”, and place it into the on position. This promotes better air circulation through the house, which you don’t normally get, because a lot of people will just leave their system running in auto. Read more

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Simple Tip for Fresher Indoor Air

Posted on July 11, 2017 by admin

REDWOOD CITY — When your HVAC system is running, it’s not only heating or cooling your home, it’s also circulating the air. That’s why in mild seasons like spring (when your system is seldom in use), your indoor air can become stagnant due to a lack of circulation. To address this, run your system on the “fan only” setting at regular intervals—ideally 10 to 15 minutes every hour. If you don’t want to do this manually, consider investing in a thermostat with the capability to program “fan only” operation. This will allow you to enjoy fresh, well-circulated air without having to continually adjust your thermostat. Read more

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Going Above Minimum Standards with Air Filters

Posted on July 11, 2017 by admin

EL CERRITO — Some people think air filters are all the same, but this is far from the case. While the heating and cooling systems in many homes have standard, one-inch fiberglass filters, the reality is that these do little to improve indoor air quality—they’re only good for filtering out very large airborne particles. To get better filtration for your HVAC system, consider upgrading to a MERV 13 air filter. This four-inch pleated filter removes particles down to the level of viruses and bacterium, which makes it at least 60 times more effective than a standard filter.

In addition to the quality of the filter you choose, another consideration is how often you replace it. Read more

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Video: Assessing Filter Options

Posted on July 11, 2017 by admin

EL CERRITO — Host, Sarah Rutan: In maintaining your HVAC system, there are multiple options for filters you can use. Today, we’re in El Cerrito with Diamond Certified Expert Contributor Tim Hassler of Hassler Heating & Air Conditioning to learn more.

Diamond Certified Expert Contributor, Tim Hassler: Until recently, it was industry standard to install these one-inch fiberglass filters for your heating system. These filters do have some problems. They are very inefficient, they are really only good at filtering out very large particles.

This is actually an example of a Merv 13 filter that we recommend upgrading to. It’s a four inch pleated filter and it does an excellent job of filtering out most dust particles and pollen. Read more

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