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Recommended equipment against viruses and bacterias

Fuse HVAC & Appliance Repair highly recommend:

1. Air filter MERV 13 (make sure you’ll order correct size for your HVAC system)- example example 

air filter MERV 13

2. UV-light purifier – example example 

uv light purifier

 

Coronavirus And HVAC: ASHRAE Releases Guidance Material

ASHRAE has released information to help address coronavirus disease 2019 (COVID-19) as it relates to heating, ventilating, and air-conditioning systems.

n response to ongoing developments, ASHRAE has released proactive guidance to help address coronavirus disease 2019 (COVID-19) concerns with respect to the operation and maintenance of heating, ventilating, and air-conditioning systems.

The ASHRAE COVID-19 Preparedness Resources webpage provides easily accessible resources from ASHRAE to building industry professionals.coronavirus

“The recent escalation in the spread of coronavirus disease 2019 is alarming on a global scale,” said 2019-20 ASHRAE President Darryl K. Boyce, P.Eng. “While ASHRAE supports expanded research to fully understand how coronavirus is transmitted, we know that healthy buildings are a part of the solution. ASHRAE’s COVID-19 Preparedness Resources are available as guidance to building owners, operators and engineers on how to best protect occupants from exposure to the virus, in particular in relation to airborne particles that might be circulated by HVAC systems.”

Available on the webpage is ASHRAE’s recently approved position document on Airborne Infectious Diseases. The Society’s position is that facilities of all types should follow, as a minimum, the latest practical standards and guidelines.

The following publications are referenced in the position document and on the resources webpage:

  • ANSI/ASHRAE Standard 62.1-2019, Ventilation for Acceptable Indoor Air Quality – Outlines minimum ventilation rates and other measures intended to provide IAQ that is acceptable to human occupants and that minimize adverse health effects.
  • ANSI/ASHRAE Standard 62.2-2019, Ventilation for Acceptable Indoor Air Quality in Residential Buildings – Defines the roles of and minimum requirements for mechanical and natural ventilation systems and the building envelope intended to provide acceptable indoor air quality in low-rise residential buildings.
  • ANSI/ASHRAE/ASHE Standard 170-2017, Ventilation of Health Care Facilities – Ventilation guidance, regulation, and mandates to designers of health care facilities. It addresses hospital spaces, outpatient spaces, and nursing home spaces.
  • ANSI/ASHRAE Standard 52.2-2017, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size – Establishes a method of laboratory testing to measure the performance of general ventilation air-cleaning devices in removing particles of specific diameters.
  • ANSI/ASHRAE Standard 55-2017, Thermal Environmental Conditions for Human Occupancy – Specifies conditions for acceptable thermal environments and is intended for use in design, operation, and commissioning of buildings and other occupied spaces.
  • ANSI/ASHRAE Standard 185.2-2014, Method of Testing Ultraviolet Lamps for Use in HVAC&R Units or Air Ducts to Inactivate Microorganisms on Irradiated Surfaces –Establishes a test method for measuring the intensity of ultraviolet lamps on irradiated surfaces under typical HVAC&R operating conditions.
  • ANSI/ASHRAE Standard 161-2018, Air Quality within Commercial Aircraft – Defines the requirements for air quality in air-carrier aircraft and specifies methods for measurement and testing in order to establish compliance with the standard.
    ASHRAE Guideline 28-2016, Air Quality within Commercial Aircraft – Serves as a companion to ANSI/ASHRAE Standard 161, Air Quality within Commercial Aircraft. Includes additional research and supporting information for guidance in assessing and assuring good air quality within the aircraft cabin.

The position document also advises that new and existing healthcare intake and waiting areas, crowded shelters, and similar facilities should go beyond the minimum requirements of these documents, using techniques covered in ASHRAE’s Indoor Air Quality Guide (free download available) to be even better prepared to control airborne infectious disease (including a future pandemic caused by a new infectious agent).

Because small particles remain airborne for some period of time, the design and operation of HVAC systems that move air can affect disease transmission in several ways, such as by the following:

  • Supplying clean air to susceptible occupants
  • Containing contaminated air and/or exhausting it to the outdoors
  • Diluting the air in a space with cleaner air from outdoors and/or by filtering the air
  • Cleaning the air within the room

ASHRAE recommends the following strategies of interest to address disease transmission: dilution ventilation, laminar and other in-room flow regimes, differential room pressurization, personalized ventilation, source capture ventilation, filtration (central or unitary), and UVGI (upper room, in-room, and in the airstream).

Building owners, operators, and engineers are encouraged to collaborate with infection prevention specialists knowledgeable about transmission of infection in the community and the workplace and about strategies for prevention and risk mitigation.

Resource – https://facilityexecutive.com/2020/02/coronavirus-and-hvac-ashrae-releases-guidance-material/

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Yelp reviews for San Jose, CA

Ira L.
Ira L.
2020-06-19 22:59:49
These guys are 5-star, top-notch professionals all the way! I got multiple quotes for my HVAC system replacement, and everybody was recommending something...
Joe S.
Joe S.
2020-06-10 16:41:57
A Fuse HVAC engineer came out right on schedule. They were courteous and prepared for working within COVID-19 constraints. The person was very professional...
C W.
C W.
2020-05-22 11:52:11
Update: My GE microwave was broken again 7 days after the first repair. It's great that they offer a warranty for the same problem. They sent Felix, the...
Qi Z.
Qi Z.
2020-05-16 15:27:19
My cooktop stopped working and it created lots of stress in my family. I did some research online and decided to give Fuse a try. I'm very happy that I made...
C W.
C W.
2020-05-15 15:09:53
My 3 year old GE microwave was broken, and I asked 25+ companies for quotations. Kevin, the owner replied my message very soon. They offer a reasonable and...
Mark S.
Mark S.
2020-04-27 10:58:27
Very professional and excellent work. They over-communicate on the timing of arrival and were right on time for both appointments. Estimate was fair and...
Dechuan X.
Dechuan X.
2020-04-05 14:22:10
My fridge has been problematic for a long time that there are always huge pile of frost on the evaporator coils. I have tried to fix by myself and watched...
Stephen H.
Stephen H.
2020-04-02 12:07:54
Had an error on my Bosch dishwasher and obviously wanted it fixed asap...wasn't sure on the response with the coronavirus going on. Got a response to my...
Aman A.
Aman A.
2020-03-19 14:01:58
Great guys. Came by to diagnose an issue, fixed within a couple hours. Charged me for it. We called them back a few days later as a similar issue was...
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Viacheslav E.
2020-03-05 20:17:00
Very professional and right on time. These guys are great!!! Adam came to my house to fix a problem with the furnace since it wasn't working. They...
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