Bathroom Ventilation Guidelines
A standard feature of modern residential bathrooms is a ventilation fan, usually operated by a control switch or button next to the light switch or button. Some basic guidelines should be followed with bathroom ventilation, to make sure it accomplishes the essential task of removing moist, smelly, contaminated air from the bathroom without causing other problems.
Bathroom Ventilation Guidelines
Bathroom exhaust fans should route the moist, contaminated air outside the house, away from any intake pipe that will suck it back inside. Unfortunately, many builders just route the bad air into the space between the bathroom ceiling and the floor above, or directly into the attic. This just shifts the potential problems — mold and mildew growth — from one place to another. It actually can make the problem worse, because the mold and mildew will grow unnoticed in these dark spaces. In addition to the health threat, this can lead to serious damage to walls, floors and ceilings.
Consider a heat-exchange ventilation system that conserves heat energy that a simple bathroom exhaust system otherwise would expel from the home during cold weather (which wastes energy and forces your heating system to work harder).
Get the proper airflow capacity for the size of your bathroom. In general, a bathroom exhaust fan should be able to move 1 cubic foot per minute (cfm) for every square foot of floor space. If the bathroom is larger than 100 square feet, the Home Ventilating Institute recommends adding 50 cfm for every toilet, 50 cfm for each shower or bath, and 100 cfm for each whirlpool spa.
To make sure the bathroom ventilation uses as little electricity as possible, look for products with the Energy Star logo. With an Energy Star-certified bathroom fan, you’ll use around 60 percent less energy.
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Outstanding experience from start to finish. Neil was on time, professional, and very personable when he came the same day to assess my needs and provide an on-the-spot estimate. He didn't try and pre...
Extremely pleased with the quick and professional service we received today! Our 14-year-old AC unit went out last night, i called this morning and a technician came out this afternoon. The fix was re...
Sherlock continues to be there for my family when we need them the most. I had a new HVAC system installed May of 2019, since then the service techs have come in for their seasonal inspections and I c...
Anthony, came to inspect the plumbing in my house as well as to drain and refill the water heater. I found him to be very informative and helpful, as well as professional and friendly. I was really ve...
Our water heater started leaking and a call to Sherlock was met with a same day response. Neil came out to explain our options of tank/tankless, gas/electric. He walked us through the pros and cons of...
This has been the best experience with a company we have ever had in our 50 plus years of marriage. From Vincent to Eric and his whole crew this was a very difficult project for everyone. They handled...
Hands down, these guys are the best. I had bids from three other highly rated HVAC companies in North County and none of them came close to the technical knowledge and professionalism of Sherlock. My ...
Sherlock is the coolest! As always, Yelpers are right on. Basing my picks on high stars and number of reviews, I called four companies. Right off the bat, I knew one company wasn't even an option due ...
This is a review not so much for Sherlock, but for Fred Radtke - the young man that came and got my heater working. He not only installed a new thermostat on the spot that is easier to read - and repl...
Eric came out to fix my non-working air conditioner. He was professional, very nice, honest, knew his stuff. He had to over to Escondido to get the proper part, and returned on same afternoon, put the...
Justin the sales agent, was great, very patient and responsive. The gentlemen who came in to work on the installation were great, explained everything and very respectful and clean. I had the unfortun...
Jared was our inspector and he showed up on time with a 30 min courtesy call. He was efficient and gave us an honest opinion of what was working and what needed to be repaired or replaced or serviced ...
Ahhh! Cool and comfortable in our house now. Thank you to the awesome guys who installed this high quality equipment. Good to have Costco stand behind them, too.
There is a reason this place has nothing but five stars. They earn it! I have had no AC in the house and was procrastinating on getting it fixed due to the cost and lack of need most of the year. I wa...
JR, JoJo, and Eric came to my condo yesterday to install my HVAC system and Heat Pump. They were very meticulous and on task for the whole installation, and kept me informed as to what they were doing...
I had a great experience with Sherlock, from start to finish! Justin met with me and spent a few hours walking me through the current condition of my system and what Sherlock can offer. I had budget l...
My experience with Sherlock Heating & Air has been amazing from the start when I first got my new heating & air conditioning system!!! They know how to deliver customer service!! They are hone...
The tagline for Yelp's 5 star rating of "Woohoo! As good as it gets!" is 100% fitting for the work and professionalism of Jared and Enoch. They were courteous and upfront with the entire job. I found ...
Just had an ACHP service done yesterday on the two units in my home. Their service rep was Jared Pratt. This guy was great! He took the time to do it right and to explain to me (every step of the way)...
I came to Sherlock by way of the Nest website--checked out the Yelp reviews and then made the call. Eric M., the technician who installed my 3rd gen Nest Learning Thermostat was courteous, knowledgeab...
Buying HVAC for an entire house is not an investment to be undertaken without some research. It's probably going to cost more than $15K and will require a crew of techs working in your house for sever...
FINALLY an AC & heating business I can trust!!! Woo-Hoo!!!! If Sherlock Heating and Air Conditioning isn't a small family business, you would think they are! They are so kind, meticulous, honest, ...
If my wife and I could give 6 stars we would! Carlos, Jojo and Joe installed our new HVAC system today, 31st October 2016. Started the day at 8AM and ending roughly around 615PM. I was impressed by th...
Called Sherlock based on reviews here, as we've had less than stellar experiences with other local area HVAC companies. They scheduled an appointment within a couple days, the guy who came out could n...
Been using Sherlock for a couple years. Jared and Eric came out for the yearly check/tune-up. Both were super friendly, informative, timely, and put on shoe protectors whenever they came in the house!...
